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术语表

1386 个术语

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10年心血管风险

定义

十年心血管风险是指利用经过验证的、将年龄、性别、血压、胆固醇、糖尿病状况和吸烟情况纳为考量因素的计算公式,估算个人在未来十年内发生主要心血管事件(如心脏病发作或中风)的大致概率(以百分比表示);当前的指南仅建议将原发性预防阿司匹林用于成……

为什么这很重要

这个数值是医生用来判断对于从未患过心脏病的人而言,阿司匹林的益处是否可能大于出血风险的关键阈值。.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

11β-羟类固醇脱氢酶 1 型 (11β-HSD1)

定义

11β-HSD1 是一种在脂肪组织中表达的酶,能在局部将无活性的可的松转化为有活性的皮质醇,从而放大脂肪库内的糖皮质激素信号;它在内脏脂肪中的表达相对高于皮下脂肪,这可能会创造一种组织水平的微环境,从而促进脂质储存并导致类似于轻度库欣综合征的代谢功能障碍。.

为什么这很重要

该酶在分子水平上将慢性压力与内脏脂肪积聚联系起来,这与血液中的整体皮质醇水平无关。.

阅读:为什么腹部脂肪比你想象的更危险

12导联心电图

定义

常规心电图通过放置在四肢和胸部的十二个电极位置同时记录心脏的电活动;当在最大量运动时进行该检查时,它可以显示出静息状态下不可见的缺血性改变,例如ST段压低。.

为什么这很重要

理解为什么静息心电图可能会漏掉严重的血管阻塞,有助于解释为什么进行最大努力的负荷试验对运动员至关重要。.

资深运动员的心脏病:我是如何逆转动脉阻塞并在65岁打破世界纪录的

17β-雌二醇 (E2)

定义

雌激素中最强效且具生物活性的形式,主要由生殖年龄的卵巢滤泡产生;它作用于全身和大脑的雌激素受体以调节葡萄糖代谢、突触功能、情绪和血管张力,在围绝经期急剧下降。.

为什么这很重要

了解具体涉及哪种雌激素有助于解释为什么更年期会对大脑和心脏产生如此深远的影响,以及为什么激素疗法的配方不能互换。.

绝经 内分泌 心血管 风险

2018 ACC/AHA 胆固醇指南

定义

美国一项关于血胆固醇管理的主要临床实践指南将冠状动脉钙化(CAC)评分纳入决策辅助工具中;该指南建议,对于CAC评分为零的无症状中危人群,可暂缓他汀类药物治疗,除非存在糖尿病、主动吸烟或有早发性心血管疾病的强烈家族史。.

为什么这很重要

本指南是利用零冠状动脉钙化(CAC)评分来推迟或避免处方他汀类药物的主要临床实践权威依据。.

零的力量:没有钙 – 没有风险?

2019 ACC/AHA 初级预防指南

定义

美国心脏病学会和美国心脏协会联合发布的临床实践指南,涵盖预防首次心血管事件的策略,包括关于在一级预防中恰当使用和局限性标准风险计算器及影像学工具的建议。.

为什么这很重要

本指南规定了医生在常规心血管筛查中建议做什么和不做什么,这就是为什么理解其范围有助于患者更好地询问是否有必要进行进一步评估。.

双倍剂量:你的家谱是生物危险品吗?这里有拯救生命的信息

2020年ESC运动心脏病学指南

定义

2020年欧洲心脏病学会(ESC)运动心脏病学指南是欧洲心脏病学会的一份循证文件,就疑似或确诊心脏病的竞技运动员、休闲运动员以及老龄运动员的心血管筛查、危险分层和重返运动决策提供了建议。.

为什么这很重要

它为医生评估那些可能用高水平体能掩盖心血管病理的老年运动员设定了当前的临床标准。.

体质好如何掩盖心脏病发作

2024年NIA-AA修订标准

定义

2024年NIA-AA修订标准是美国国家老龄化研究所和阿尔茨海默病协会制定的诊断指南,该指南根据核心淀粉样蛋白和tau生物标志物的存在情况,在生物学上将阿尔茨海默病定义为独立于临床症状的疾病。.

为什么这很重要

文章明确探讨了这些标准,并以此论证:通过其下游生物标志物特征来定义阿尔茨海默病,与血管疾病作为该特征的上游病因是相容的。.

阿尔茨海默病其实始于你的动脉吗?

2026 ACC/AHA 多学会血脂异常指南

定义

这是美国心脏协会和美国心脏病学会联合发布的一份临床实践指南。除了其他建议外,该指南还根据英国生物样本库 (UK Biobank) 的模型,列出了 Lp(a) 浓度在 50 至 180 mg/dL 之间时估算的 ASCVD 相对风险增量。

为什么这很重要

它是文中引用风险数据的核心来源,并设定了目前大多数美国医生使用的临床阈值。

阅读:什么是脂蛋白 (a)?

5-甲基四氢叶酸(5-MTHF)

定义

叶酸在血液中循环的具有生物学活性的形式,在同型半胱氨酸重新甲基化为蛋氨酸的过程中充当甲基供体;它是蛋氨酸合酶所使用的形式,在补充剂中作为'L-甲基叶酸'销售。'

为什么这很重要

理解这是活性叶酸形式,有助于解释为什么标准叶酸必须经过身体转化才能降低同型半胱氨酸。.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

640排CT扫描仪

定义

一种先进的CT系统,其探测器宽度足够大(160毫米),可在单次旋转和单次心跳中采集整个心脏,从而消除了窄探测器所产生的图像拼接伪影,并将辐射剂量降至1毫西弗以下。.

为什么这很重要

文章认为,这项技术使纵向斑块追踪更加安全、更具实用性,从而支持了其在常规预防心脏病学中的潜在作用。.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

β-肾上腺素能反应性

定义

β肾 and 肾上腺素能反应性是指心脏通过β肾上腺素受体对肾上腺素及相关应激激素刺激的敏感性;衰老会降低这种敏感性,从而限制心脏在剧烈运动期间(即使是对受过高度训练的人群而言)的跳动速度和收缩力。.

为什么这很重要

β受体敏感性的下降是随着年龄增长导致最大心率下降的原因之一(无论体能状况如何),这为运动表现设定了一个生物学上限。.

体质好如何掩盖心脏病发作

β-羟基丁酸(βHB)

定义

脂肪代谢过程中产生的主要酮体;其血中浓度被用作酮症的主要生化标志物,无论该酮症是由禁食、极低碳水化合物饮食还是摄入外源性酮体补充剂所诱导。.

为什么这很重要

理解 βHB 有助于从化学层面真正理解'处于生酮状态'的含义,这对于评估与生酮有关的健康声称至关重要。.

生酮饮食 vs. 全食植物性饮食:关于运动表现、胰岛素敏感性、逆转心脏病和长寿的硬核证据是什么?

γ-丁基甜菜碱(γBB)

定义

γ-丁基甜菜碱(γBB)是当肠道细菌开始加工膳食左旋肉碱时在近端肠道中形成的主要代谢中间体;它的积聚速度比直接形成TMA的速度高出大约1000倍,并作为一个储库,在含肉餐食被消化很久之后仍能维持TMA和TMAO的产生。.

为什么这很重要

γBB 储库解释了为什么单次饮食调整可能无法迅速降低你的 TMAO 水平——肠道有一个可供调用的巨大储存库。.

牛排中的隐形毒素:肠道细菌如何引发心脏病

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阿巴帕肽

定义

一种甲状旁腺激素相关蛋白的合成类似物,通过每日注射给药。与特立帕肽类似,它能刺激成骨细胞生成新骨;它被归类为促合成代谢药物,且不带有适用于罗莫索单抗的心血管黑框警告。

为什么这很重要

了解阿巴帕肽和罗莫索单抗虽然都被称为“促合成代谢”药物,但其作用途径完全不同,且具有不同的安全性特征,这可以防止将一种药物的警告错误地应用于另一种药物的危险错误。

阅读:牙龈疾病与心脏病

ABCA1 / ABCG1(ATP结合盒式转运蛋白)

定义

巨噬细胞泡沫细胞中的膜蛋白,可将细胞内胆固醇转运至细胞外受体(如 apoA-I 和 HDL);它们在降脂过程中的激活是斑块消退的关键一步,能使富含脂质的细胞排出其胆固醇负荷。.

为什么这很重要

它们是分子'出口',允许被困在动脉壁细胞内部的胆固醇被清除——理解这些机制有助于阐明降脂疗法在细胞层面的工作原理。.

冠状动脉斑块消退、管腔悖论与运动员的血管重塑:整合药物与全食物植物性策略

腹主动脉瘤

定义

腹主动脉瘤是腹主动脉的扩张,主要由慢性炎症、动脉粥样硬化负荷以及失控的蛋白水解级联反应驱动,在此反应中,基质金属蛋白酶会破坏动脉壁的弹性蛋白和胶原蛋白支架。.

为什么这很重要

AAA 与冠状动脉疾病和外周动脉疾病有着相同的根本原因,因此,对于任何已经在控制心血管危险因素的人来说,它也是一个相关的风险。.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

无β脂蛋白血症

定义

无脂蛋白血症是一种罕见的常染色体隐性遗传病,由MTTP基因功能丧失突变引起,该基因是组装和分泌含ApoB脂蛋白所必需的;受影响个体的循环ApoB颗粒几乎完全缺失,总胆固醇通常低于30毫克/分升,LDL-C通常无法检测到。尽管存在严重的非心脏并发症(脂肪吸收不良…

为什么这很重要

这是最接近现实世界的证据,证明如果没有含ApoB的颗粒,动脉粥样硬化基本上不会发生。.

心脏病是一种选择吗?阻止斑块形成的‘零风险’秘诀

绝对风险

定义

绝对风险是指某事发生在您身上的真实几率,以百分比表示。如果您在未来十年内患心脏病的绝对风险是 12%,这意味着每 100 个与您相似的人中,大约有 12 人会患病。.

为什么这很重要

这与仅比较两个组别相对危险度不同。一种能将风险降低25%的药物听起来效果显著,但如果你初始的风险极小,那么现实中的收益也微乎其微。一定要询问绝对数字。.

为什么你‘正常’的胆固醇其实是一个警告信号

ACC/AHA 汇总队列方程

定义

ACC/AHA Pooled Cohort Equations(ACC/AHA 汇总队列方程)是由美国心脏病学会和美国心脏协会于 2013 年联合开发的一组心血管风险计算器,它利用年龄、性别、种族、胆固醇、血压、糖尿病和吸烟状况来评估首次动脉粥样硬化性心血管事件的十年风险。.

为什么这很重要

它们是美国使用最广泛的风险计算器,通常决定了谁会被建议接受他汀类药物治疗——了解它们的局限性有助于解释为什么有时需要进行额外的检测。.

医生没有为你开具的心脏检查

ACCELERATE 试验

定义

一项关于依折麦布(注:此处应为evacetrapib,即依塞曲匹布)的大型随机试验显示,尽管该药显著升高了HDL胆固醇并降低了LDL胆固醇,但未能减少高危患者的心血管事件,这进一步支持了这样一种观点:HDL-C是一个标志物,而不是具有因果关系的保护因素。.

为什么这很重要

这进一步说明了为什么椰子油提高高密度脂蛋白(HDL)的作用不具有显著的心血管益处。.

椰子油作为健康食品的神话:行业如何左右你的饮食!

协议

定义

ACCORD 是一项大型临床试验,旨在测试在 2 型糖尿病患者中非常激进地降低血糖是否能预防心脏病发作。.

为什么这很重要

事实并非如此,强化治疗组的死亡人数反而更多。从中得到的教训是,降低一个数值并不自动等于帮助患者——这一主题在整个心脏病学中屡见不鲜。.

为什么载脂蛋白B(ApoB)很重要?

血管紧张素转化酶抑制剂

定义

ACE(血管紧张素转化酶)抑制剂是一类通过阻断使血管变窄的酶来降低血压和减轻心脏工作负荷的药物。ACE抑制剂成为心梗后标准护理的一部分,并且是文章中提到的在初始冠心病死亡率开始下降之后才出现的治疗方法之一。.

为什么这很重要

ACE抑制剂说明了特效药物如何在心梗发作后依然能够提高生存率并防止复发,这代表了该疾病发病率下降过程中的'药物巩固'阶段。.

心血管疾病史

髋臼

定义

髋臼:骨盆上呈杯状的窝,股骨头嵌入其中形成髋关节;髋臼骨折会破坏该关节,并在康复期间严重限制承重和下肢功能。.

为什么这很重要

髋部骨折和盆腔损伤对心血管康复具有重要影响,特别是对于努力维持身体状态的老年运动员而言。.

Peter Megdal 于 2021 年 10 月 14 日创造了全国小时计时赛纪录

急性冠脉综合征

定义

急性冠脉综合征(ACS)是心肌血流量突然减少的一类疾病的总称——从不稳定型心绞痛到完全性心脏病发作——这是由斑块突然破裂或侵蚀引起的。.

为什么这很重要

确切的诊断取决于血液检查和心电图,但其根本事件是一样的:原本静静地存在于血管壁中的斑块破裂了。这就是为什么新出现或不断加重的胸痛需要当天进行评估,而不是采取观望态度。.

隐匿性梗死:MINOCA机制、诊断与管理的深入研究验证

ADAM17(脱落酶)

定义

一种金属蛋白酶,能够切割膜结合受体的胞外结构域,将其转化为可溶性循环形式;在白细胞介素-6 (IL-6) 信号传导的背景下,ADAM17 切割膜结合型 IL-6 受体 (mIL-6R) 以产生可溶性形式 (sIL-6R),从而在全身范围内实现更广泛的促炎性反式信号传导。.

为什么这很重要

ADAM17活性决定了有多少IL-6信号传导能够到达血管壁——这是脂质沉积是否会恶化为危险斑块的关键一步。.

阅读:基因彩票:为什么你不能指望自己“刀枪不入”

ADAPTABLE 试验

定义

ADAPTABLE 是一项针对 15,076 名已确诊动脉粥样硬化性心血管疾病患者的实用性随机对照试验,比较了每天 81 毫克与 325 毫克阿司匹林的疗效;结果发现两种剂量的患者在心血管结局或大出血方面没有显著差异,这支持将 81 毫克作为首选维持剂量。.

为什么这很重要

这是对两种最常见阿司匹林剂量规模最大的直接头对头比较,直接为患者和临床医生应该选择哪种剂量提供了依据。.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

适应性内膜增厚

定义

适应性内膜增厚是动脉内膜的一种正常、非病理性的局灶性增厚,发生于血管弯曲和分支处,是对血流紊乱的反应;其特征为蛋白聚糖-胶原基质中的平滑肌细胞,且与动脉粥样硬化病变不同,不涉及脂质积聚或炎性泡沫细胞浸润。.

为什么这很重要

理解这一区别有助于澄清为什么并非动脉壁的每一次增厚都是疾病——将其误分类为动脉粥样硬化在历史上夸大了患病率的估计。.

先天性疾病

自适应伺服通气 (ASV)

定义

一种正压通气疗法,旨在通过逐呼吸自动调整压力以抑制异常呼吸模式,从而治疗心力衰竭中的中枢性睡眠呼吸暂停和陈-施呼吸 (Cheyne-Stokes respiration)。一项大型随机试验发现,尽管 ASV 能有效控制呼吸异常,但在伴有中枢性睡眠呼吸暂停的心力衰竭患者中,它会显著增加心血管死亡率……

为什么这很重要

这是文中提到的警示案例,说明使机器测量值恢复正常并不等同于改善患者健康——这是解读医疗设备试验的一个关键教训。

阅读:睡眠与您的心脏

ADH1B

定义

编码乙醇脱氢酶1B的基因,该酶负责乙醇代谢的第一步;ADH1B中的遗传变异(特别是rs1229984)会影响酒精分解的速度,并常在酒精与心血管风险的孟德尔随机化研究中被用作工具变量。.

为什么这很重要

它在孟德尔随机化中的应用使研究人员能够研究酒精的影响,而没有困扰观察性研究的生活方式混杂因素。.

半满的玻璃杯:为什么科学正向“有益心脏健康”的饮酒习惯挥手告别

脂肪因子

定义

脂肪因子是由脂肪细胞分泌的具有生物活性的分子(包括瘦素、脂联素、TNF-α和IL-6),它们作为激素或信号蛋白发挥作用,以调节全身的新陈代谢、胰岛素敏感性、炎症和能量平衡。.

为什么这很重要

了解脂肪组织能与其他器官进行化学通信,有助于解释过多的内脏脂肪是如何引发远离腹部的全身性疾病的。.

阅读:为什么腹部脂肪比你想象的更危险

脂联素

定义

脂联素是一种脂肪因子,通过激活AMPK来增强胰岛素敏感性并促进脂肪酸氧化;随着内脏脂肪的积聚,其循环水平会下降,这使得低脂联素成为心脏代谢风险的早期指标。.

为什么这很重要

脂联素水平为洞察代谢健康提供了一个体重测量完全无法比拟的窗口。.

阅读:为什么腹部脂肪比你想象的更危险

裁决

定义

裁决是指由独立委员会审查试验中报告的每个事件,并在不知晓患者接受何种治疗的情况下,判定实际发生情况的过程。.

为什么这很重要

它阻止了热情对结果的影响。一次医院就诊是否被算作心脏病发作,不应该取决于患者处于试验的哪个组别。.

如何避免英年早逝

晚期糖基化终产物

定义

AGEs是指蛋白质或脂肪与糖类或高温烹饪接触时形成的化合物;在高温烹调的肉类中,它们会与血管细胞上称为RAGE的受体结合,引发炎症级联反应。文章将其列为红肉中除TMAO外可能损害心血管健康的几种成分之一(与饱和脂肪和血红素铁并列)。.

为什么这很重要

它们说明了为什么将TMAO孤立为红肉中'唯一'有害成分的做法过于简化了复杂的饮食状况。.

红肉正在通过你的肠道杀死你吗?关于TMAO的大骗局

基督复临安息日会健康研究

定义

一系列长期前瞻性队列研究考察了基督复临安息日会信徒(该群体素食率较高)的健康结局;研究结果显示,与非素食者相比,纯素食者的2型糖尿病风险降低了62%,且该结果与体重无关。.

为什么这很重要

这些研究提供了一些最有力的流行病学证据,将植物性饮食与降低慢性病风险联系起来。.

营养学大辩论:原始人饮食法/生酮饮食/旧石器饮食与全食物植物性饮食对长寿和心脏病影响的循证现实

基督复临安息日会健康研究-2 (AHS-2)

定义

一项针对北美约96,000名基督复临安息日会信徒的大型前瞻性队列研究,在营养流行病学中备受重视,因为该人群吸烟率和饮酒率低,减少了主要的混杂行为因素,从而能够更准确地评估饮食模式对死亡率和疾病结局的影响。.

为什么这很重要

素食长寿益处所引用的许多证据都直接来自这个队列,因此了解它是什么有助于你判断这些说法的质量。.

素食主义真的能延年益寿吗?这是一个谎言吗?

有氧项目(100% 有氧)

定义

完全通过氧化代谢维持的运动强度,依赖于持续的氧气供应来产生三磷酸腺苷(ATP);自行车一小时世界纪录就是这样分类的,因为任何向无氧途径的大幅转变都会迅速耗尽能量储备并损害表现。.

为什么这很重要

有氧耐力是心血管健康的核心指标,也是长期心脏病预后的一项预测指标。.

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

有氧运动

定义

有氧运动是一种持续的活动,能让你的呼吸在一段时间内加深加快,例如快走、骑自行车、游泳或慢跑。.

为什么这很重要

它能改善体能、血压、血糖以及血管功能。这是你能为健康做的最好的事情之一。但它并不能明显降低载脂蛋白B(ApoB)颗粒的数量,这就是为什么身体非常好的人仍然会有斑块。.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

有氧糖酵解

定义

细胞(包括神经元)在有氧条件下分解葡萄糖以产生ATP能量的代谢过程;雌激素在大脑中促进这一高效途径,而其在绝经期的下降可能会迫使大脑转向效率较低的燃料来源。.

为什么这很重要

这是雌激素下降时大脑失去的具体能量机制,这使其成为理解更年期脑雾的核心。.

绝经 内分泌 心血管 风险

有氧间歇训练

定义

一种交替进行短时间高强度运动与主动恢复期的结构化锻炼方法——例如,近乎最大努力的高强度运动四分钟,随后进行三分钟的轻松运动——临床研究表明,该方法在减少房颤负荷和提高最大摄氧量方面比持续稳态训练更有效。.

为什么这很重要

AIT是接受过治疗房颤患者的首选运动处方,因为它既能保持体能,又能避免导致进一步心房瘢痕形成的慢性容量负荷。.

接受过治疗的心房颤动大师级运动员(50岁以上)的心血管风险管理与训练调整:专家报告

空气动力阻力

定义

空气阻力;在高原地区,较低的空气密度会减小空气动力阻力,这就是为什么尽管氧气较少,自行车室内场地的纪录却经常在高海拔赛道上打破的原因。.

为什么这很重要

它解释了选择阿瓜斯卡连特斯作为尝试地点的战略选择——阻力更小意味着在相同的功率输出下速度更高。.

精英老将自行车手的生理优化与寿命表现建模

空气动力学家

定义

空气动力学专家(专门分析并优化运动员及其装备(包括骑行姿势、头盔、紧身衣和车轮)的风阻外形,以最大限度地减少空气阻力,并在给定的功率输出下实现最高速度的专家)。.

为什么这很重要

在一小时计时赛中,空气动力学阻力通常是决定行驶距离的最大单一因素,这使得该因素在破纪录的尝试中处于核心地位。.

彼得·梅格达尔 (Peter Megdal) 登上《戴德姆时报》

房颤负担

定义

房颤负荷:指一个人处于心房颤动状态的时间占监测总时间的比例或总持续时间,通常以百分比或时间长度表示;导管消融术旨在减少房颤负荷,即使不能完全消除房颤。.

为什么这很重要

帮助读者理解射频消融的成功往往是部分的,而非绝对的。.

问答:房颤、耐力训练与消融术——运动员需要了解的知识

房颤复发

定义

在成功维持心律控制一段时间后,房颤再次发作,无论该心律控制是通过消融术还是药物治疗实现的;在耐力运动员中,单次消融术后的复发率约为40%,而持续性心房扩大和纤维化是主要预测因素。.

为什么这很重要

复发风险是文章为考虑消融手术的运动员所探讨的核心临床问题。.

问答:房颤、耐力训练与消融术——运动员需要了解的知识

阿特斯顿单位

定义

阿加特森单位是用于量化CT扫描中冠状动脉钙化的标准化评分单位,根据钙化病变的密度 and 面积计算得出;零分表示未检测到钙化斑块,而300分或更高(仅在英国大师研究的运动员组中发现)则反映了重度钙化。.

为什么这很重要

它们是报告钙化扫描结果的通用货币,因此了解这一分值标准有助于您理解自己得分的含义。.

巅峰体能与隐形钙化:运动员的斑块积聚悖论

年龄调整死亡率

定义

年龄调整死亡率是一种经过统计学修正的死亡率,因此不同人口之间——或同一人口在不同时期——的年龄结构差异不会扭曲比较结果。它回答了这样一个问题:如果年龄构成保持不变,死亡率会发生变化吗?

为什么这很重要

由于心脏病发作导致的死亡在老年人中更为常见,如果不进行这一调整,单纯比较几十年来原始死亡人数会产生误导——这正是该文章得出“81%下降”这一结论的依据。.

心血管疾病史

陈年大蒜提取物

定义

一种通过生大蒜长期低温陈化制成的标准化补充剂,可浓缩水溶性有机硫化合物;随机CT成像试验表明,它能减少代谢综合征患者的低衰减(质软、易破裂)冠状动脉斑块。.

为什么这很重要

目前,aged garlic extract (AGE) 在人类身上拥有比纳豆激酶更直接的斑块成像证据,对于任何在评估补充剂选择的人来说,它是一个有用的比较基准。.

纳豆激酶与心血管斑块:人体研究的真实情况

脂蛋白聚集

定义

在动脉粥样硬化的背景下,聚集是指含ApoB的脂蛋白颗粒在被动脉壁中的蛋白多糖滞留后发生 clump 样集结,这一步骤会触发巨噬细胞吞噬并形成泡沫细胞。.

为什么这很重要

理解聚集作用将斑块形成的解释从简单的'氧化脂肪'转变为更具证据支持的滞留与凝聚机制。.

胆固醇:它有什么用?

人工智能-定量CT

定义

AI-QCT 是一种先进的冠状动脉 CT 分析技术,它利用人工智能来量化和表征斑块成分(包括非钙化斑块和低衰减斑块),其能力超出了标准 CAC 评分的检测范围。.

为什么这很重要

它解释了'超级扫描'技术,即使在CAC(冠状动脉钙化)评分为零的情况下,也能发现危险的软斑块。.

雌激素能保护女性动脉免受斑块形成吗?

AIM-HIGH 试验

定义

一项在已确诊心血管疾病患者中将缓释烟酸添加到强化他汀类药物治疗中的随机试验;尽管烟酸提高了 HDL-C(高密度脂蛋白胆固醇),但并未减少心血管事件,这支持了 HDL-C 升高不具有因果性心脏保护作用的证据。.

为什么这很重要

另一个证明椰子油升高高密度脂蛋白(HDL)的特性不应被解读为具有心脏保护作用的证据。.

椰子油作为健康食品的神话:行业如何左右你的饮食!

空气密度与空气动力学阻力

定义

空气密度是指单位体积内空气的质量;在高海拔或高温环境下,空气密度较低,这会减小骑行者必须克服的气动阻力,从而在相同的功率输出下实现更高的速度。.

为什么这很重要

高海拔自行车赛场有利于冲击纪录,原因之一是高空空气动力学阻力较小,这说明了环境物理学如何与心血管输出相互作用。.

Peter Megdal 于 2021 年 10 月 14 日创造了全国小时计时赛纪录

酒精

定义

酒精是啤酒、葡萄酒和烈酒中使其具有成瘾性的成分。.

为什么这很重要

多年来,人们一直被告知每天喝一杯葡萄酒对心脏有益。更新、更完善的研究推翻了这一观点。适度饮酒的人更健康是因为其他原因。酒精会升高血压和甘油三酯,而且没有医生会为了保护心脏而建议饮用任何数量的酒精。.

半满的玻璃杯:为什么科学正向“有益心脏健康”的饮酒习惯挥手告别

酒精性心肌病

定义

酒精性心肌病是一种由长期大量饮酒(通常定义为每天饮用约80克乙醇,持续至少五年)引起的扩张型心肌病。在此病中,持续的乙醇毒性会导致心肌无力和扩大;与心力衰竭的许多其他病因不同,酒精性心肌病在持续戒酒后通常往往具有显著的可逆性。.

为什么这很重要

戒酒后的可逆性提供了一个罕见的例证,证明仅通过改变生活方式就能实现有意义的心脏功能恢复。.

半满的玻璃杯:为什么科学正向“有益心脏健康”的饮酒习惯挥手告别

ALK1(激活素受体样激酶1)

定义

激活素受体样激酶 1 是一种内皮受体,与 SR-B1 一起参与载脂蛋白 B 免疫复合物/含 apoB 的脂蛋白颗粒穿过内皮屏障进入动脉内膜的受体介导的转运过程,这是一个浓度依赖性的过程,代表了动脉粥样硬化发生的早期阶段。.

为什么这很重要

它确定了一个特定的生物学通道,血液中的颗粒物通过该通道进入动脉壁,这进一步证实了为什么随着时间的推移颗粒物浓度至关重要。.

载脂蛋白B:更长、更高、更糟

全因死亡率

定义

全因死亡率是指死于任何原因的死亡,而不仅仅是心脏病——这是研究能够衡量的最广泛、最难作假的结局。.

为什么这很重要

某些治疗方法只能改善狭窄的心血管指标,而对降低其他任何原因导致的总体死亡率毫无帮助,甚至可能使其恶化。一项能够改善全因死亡率的临床试验,其分量要重于仅报告心血管特异性终点的试验。.

牛排中的隐形毒素:肠道细菌如何引发心脏病

α-亚麻酸 (ALA)

定义

α-亚麻酸(ALA,18:3n-3)是一种源自植物的ω-3多不饱和脂肪酸,主要存在于菜籽油和亚麻籽中; 它在化学结构上与大多数其他种子油中占主导地位的ω-6亚油酸截然不同,这也是为什么菜籽油不被视为可与高亚油酸油互换的原因。.

为什么这很重要

将菜籽油与其他植物油归为一类,却不承认其欧米伽-3脂肪酸的含量,歪曲了营养对比。.

阅读:seed oils 是否健康,是真是假?

高海拔舱(缺氧帐篷)

定义

一种密封的睡眠舱,通过降低舱内氧气分压来模拟高海拔地区的低氧环境;运动员利用它来刺激红细胞生成并提高携氧能力,而无需长期移居高海拔地区。.

为什么这很重要

改善氧气输送直接影响心血管效率和耐力表现,这使得高原模拟成为注重心脏健康的运动员的实用训练工具。.

Peter Megdal 于 2021 年 10 月 14 日创造了全国小时计时赛纪录

高海拔训练(阿瓜斯卡连特斯)

定义

一种竞技策略,即耐力运动员在高海拔地区进行训练——本例中是在墨西哥阿瓜斯卡连特斯的比森特纳里奥自行车馆,海拔约1,800米——以激发机体适应性变化,例如增加红细胞生成,从而提升氧气输送能力。.

为什么这很重要

高海拔生理学对于理解为何即使是精英级、训练有素的运动员也可能患有未被发现的冠状动脉疾病具有重要意义。.

阅读:《重新思考心脏健康:彼得·梅格达尔如何将一纸诊断转化为推动变革的使命》

高海拔训练 / 高海拔自行车馆

定义

在高海拔地区参赛或训练——例如位于阿瓜斯卡连特斯的比森特纳里奥自行车馆(海拔约6,000英尺)——那里空气稀薄,空气动力学阻力较小,使自行车手每小时能骑行的距离比在海平面时更远,但同时由于氧气供应不足,也会导致疲劳感加剧。.

为什么这很重要

梅格达尔特意选择了一处高海拔赛场,既是为了利用空气阻力较小的优势,同时也为了控制高海拔比赛带来的生理负担。.

彼得·梅格达尔 (Peter Megdal) 登上《戴德姆时报》

Alu转座子

定义

Alu元件是一种短小、重复的'跳跃基因',在灵长类动物基因组中大量存在,能够插入到新的基因组位置;Alu元件插入CMAH基因座导致了92个碱基对的缺失,从而使人类祖先的Neu5Gc合成永久失活。.

为什么这很重要

有研究提出,由该可移动DNA序列引发的一次随机基因组事件,是人类特有的、与红肉相关的心脏病易感性的根本原因。.

你的免疫系统在与你的牛排开战吗?

阿尔茨海默病

定义

阿尔茨海默病是一种会缓慢破坏记忆力和思维能力的脑部疾病。.

为什么这很重要

过去,这种疾病一直被视为与心脏病完全无关。最新研究表明,两者之间的关联比我们想象的要密切,包括携带胆固醇的颗粒相同,以及对供应大脑的微小血管造成的损害。.

阿尔茨海默病其实始于你的动脉吗?

动态心电图 (Holter 监测)

定义

患者佩戴 24–48 小时或更长时间的连续心电图记录,用于检测诊室外的瞬时心脏异常。在本文语境下,动态监测是用于证明无症状心肌缺血——无心绞痛的瞬时 ST 段改变——的一种方法,有别于检测陈旧性心肌梗死。

为什么这很重要

它能捕捉日常生活中发生的缺血事件,而这些事件在单次静息心电图中会被漏掉,这说明了方法选择为何会对患病率估算产生如此强烈的影响。

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

AMORIS 研究

定义

AMORIS(载脂蛋白死亡风险)研究是一项大型瑞典前瞻性队列研究,该研究测定了载脂蛋白B(ApoB)及其他脂质成分,并证实ApoB比低密度脂蛋白胆固醇(LDL-C)更能预测心血管事件,特别是在这两项指标不一致的情况下。.

为什么这很重要

AMORIS 是证明计算致动脉粥样硬化颗粒比单纯测量胆固醇质量更重要的基础研究之一。.

胆固醇大谎言:揭露饮食行业的有组织否认

AMPK(AMP激活的蛋白激酶)

定义

AMP激活的蛋白激酶是一种细胞能量传感器,一旦被激活,便会抑制胆固醇和脂肪酸的合成,并发挥抗炎作用;有研究提出,贝普多酸通过激活这一通路,发挥出超越单纯降低低密度脂蛋白(LDL)水平的作用机制。.

为什么这很重要

这被视为贝普多酸降低高敏C反应蛋白(hsCRP)水平的潜在解释,其作用机制与他汀类药物不同。.

雌激素能保护女性动脉免受斑块形成吗?

AMY1 基因

定义

编码唾液淀粉酶的基因——这种酶在口腔中启动淀粉消化;人类携带该基因的多个拷贝,而2024年发表在《科学》杂志上的一项研究发现,该基因的复制可追溯至近80万年前,这表明早在农业出现之前,淀粉消化就已经是人类的一种核心代谢策略。.

为什么这很重要

理解我们处理碳水化合物的进化能力,有助于解释为什么一刀切的低碳水或纯肉饮食方案可能不符合人类的生物学特性。.

阅读:通过饮食治疗心脏病不仅是一种现代痴迷——它更是一种有数百万年进化历史支撑、并借助现代科学最先进手段的实践。

淀样蛋白假说

定义

淀粉样蛋白假说长期以来一直是阿尔茨海默病的主导理论,该理论认为大脑中β-淀粉样蛋白斑块的异常积聚是神经退行性变和认知能力下降的主要引发原因。.

为什么这很重要

理解这一假说至关重要,它是评估血管疾病(而非淀粉样蛋白)是否可能是阿尔茨海默病更早、上游驱动因素的基础背景。.

阿尔茨海默病其实始于你的动脉吗?

合成代谢抵抗

定义

合成代谢抵抗是指老年人的肌肉对蛋白质的反应变差。年轻人吃适量的蛋白质就能增长肌肉。老年人吃同样分量的蛋白质,几乎不会增长肌肉。.

为什么这很重要

这就是为什么随着年龄的增长,蛋白质的需求量不仅没有减少,反而增加了,特别是对于试图保持肌肉的老年运动员来说。.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

心绞痛

定义

心绞痛是当心肌得不到充足氧气时发生的不适。人们将其描述为压迫感、紧缩感、挤压感或灼痛感,这种不适感可能会扩散到手臂、颈部或下巴。.

为什么这很重要

并非所有人都会出现典型的胸痛。有些人只会感到气短、异常疲倦或胃部不适。身体非常健康的人有时甚至几乎完全没有任何感觉,而这正是他们的疾病危险所在。.

运动如何阻断疼痛:运动员心脏的致命秘密

血管生成

定义

血管新生是指由组织缺氧主要驱动的、从现有微血管萌发出新毛细血管的过程,该过程通过HIF-1α介导的血管内皮生长因子(VEGF)转录来实现。由于毛细血管缺乏肌壁,它们只能改善局部的氧气弥散,而无法代偿大的冠状动脉中的严重阻塞。.

为什么这很重要

理解血管生成和动脉生成的区别可以阐明为什么在剧烈运动期间,仅仅生长新的微小血管并不足以保护心脏。.

运动如何阻断疼痛:运动员心脏的致命秘密

血管造影术

定义

血管造影是一项检查,医生将一根细管插入您的动脉并注射造影剂,以便在X光下显示动脉内部的情况。.

为什么这很重要

它显示了血液流过的开放通道。它的最大缺点是无法显示动脉壁——而斑块正是在动脉壁中生长的。在血管造影上,一根动脉可能看起来几乎正常,但实际上已经病得很重。.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

血管造影消退

定义

血管造影消退是指在冠状动脉X射线成像中观察到的冠状动脉阻塞尺寸的可测量减小;文章引用了“生活方式心脏试验”(Lifestyle Heart Trial),证明强化的以植物为主的饮食和生活方式改变能够产生这种效果。.

为什么这很重要

它是对文章中所描述的'缩小中的阻塞物'这一现象的科学术语,为读者提供了一个针对这一临床重要现象的精确标签。.

治疗生物学而非管道:心脏病学激进的新方法

血管成形术

定义

血管成形术是一种在狭窄的动脉内部充气一个小气囊以撑开阻塞物的医疗程序。通常会留置一个支架以保持其畅通。.

为什么这很重要

它在缓解心脏病发作时的症状和挽救生命方面非常有效。它做不到的是治愈疾病本身,这种疾病蔓延到你的所有动脉,而不仅仅是那个得到治疗的地方。.

治疗生物学而非管道:心脏病学激进的新方法

血管生成素样蛋白3

定义

ANGPTL3是一种能减慢血液中富含甘油三酯的颗粒分解的蛋白质。.

为什么这很重要

天生携带缺陷拷贝的人甘油三酯低、低密度脂蛋白低,且心脏病发病率低——这使其成为一个显而易见的药物靶点。依维库单抗能阻断该靶点,并被用于治疗最严重的遗传性胆固醇疾病。.

心血管保护的遗传架构

踝肱指数 (ABI)

定义

在踝部测量的血压与在手臂测量的血压之比;数值等于或低于 0.90 表示患有外周动脉疾病。文中指出,没有腿部症状(间歇性跛行)的低 ABI 代表无症状外周动脉疾病——这是一种慢性亚临床状况,而非急性事件。

为什么这很重要

低 ABI 在预后判断上具有重要意义,有时会被错误地归类为急性无症状事件,从而扭曲心血管统计数据。

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

冠状动脉畸形

定义

冠状动脉畸形是一种先天性畸形,即冠状动脉起自错误的位置或走行路径异常;在剧烈运动时,该血管可能会受压,从而减少流向心肌的血液并引发缺血或致命性心律失常。.

为什么这很重要

它是青年运动员运动中猝死的主要结构性原因,心电图对其检出率较低,需通过影像学检查进行诊断。.

如何避免英年早逝

拮抗多效性

定义

拮抗多效性是一种进化假说,指某个基因或生物性状在生命早期带来生存或繁殖优势,但在后期却变得有害;将其应用于心血管疾病,则表明在远古环境中可能提供益处的脂质转运系统,在现代长期热量充足的寿命下变得不利。.

为什么这很重要

它为人类在生物学上易患动脉粥样硬化提供了一种解释,尽管这种疾病最终会导致死亡。.

先天性疾病

抗HMGCR免疫介导性坏死性肌病

定义

抗HMGCR免疫介导的坏死性肌病是一种罕见的自身免疫性肌肉疾病,在每10万名他汀类药物使用者中每年约有2人发病,患者体内会产生针对HMG-CoA还原酶的抗体;与普通他汀类药物引起的肌痛不同,该病在停药后会持续存在并恶化,需要进行免疫抑制治疗。.

为什么这很重要

这种状况常被误认为是普通的他汀类药物引起的肌肉痛,但单纯停用他汀类药物并不能解决问题——早期识别可以防止严重的永久性肌肉损伤。.

我应该服用降胆固醇药吗?当然应该。.

抗血栓特性(酒精的)

定义

适度饮酒能够通过降低纤维蛋白原水平和减少血小板反应性等机制来减少血栓形成;虽然这可能会略微降低缺血性中风的风险,但同样的抗凝血作用却会增加出血性中风的风险,这说明了酒精具有双刃剑般的心血管特性。.

为什么这很重要

理解这种此消彼长的权衡有助于解释为什么某种中风的任何表面益处都会以增加另一种中风的风险为代价。.

半满的玻璃杯:为什么科学正向“有益心脏健康”的饮酒习惯挥手告别

抗凝血剂

定义

抗凝剂通过干扰凝血蛋白来降低血液的凝固能力。华法林和阿哌沙班就是其中的例子。.

为什么这很重要

它是一种与阿司匹林不同的工具,阿司匹林作用于血小板。抗凝剂用于心房颤动和静脉血栓;在需要另一种药物的地方使用其中一种,会使患者得不到充分的保护。.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

抗高血压药

定义

降压药是任何用于降低高血压的药物。该文章将自20世纪70年代起被广泛使用的降压药与他汀类药物区分开来,指出在可用他汀类药物治疗之前很久,降压药就已经对冠心病死亡率的下降做出了贡献。.

为什么这很重要

通过降压药控制血压是预防心脏病发作和中风最有循证依据的方法之一,这使得人群血压控制情况的恶化成为近期进展停滞令人担忧的关键原因。.

心血管疾病史

抗氧化剂

定义

抗氧化剂是一种能够清除体内有害分子的物质。维生素E和β-胡萝卜素就是其中的例子。.

为什么这很重要

这个理论听起来很棒,抗氧化剂药丸也曾流行多年。但当研究人员真正在大型试验中对它们进行测试时,它们并未能预防心脏病发作,甚至有少数似乎还会造成危害。这很好地提醒了我们:一个听起来合情合理的想法仍然必须经过检验。.

胆固醇:它有什么用?

抗骨吸收(药物)

定义

一类骨质疏松药物——包括双膦酸盐和地舒单抗——通过抑制破骨细胞活性来减缓骨流失,从而保护现有的骨结构,而不是刺激新骨形成。

为什么这很重要

区分抗骨吸收药物和促合成代谢药物是理解药物给药顺序重要性,以及哪些患者可能从一类药物中比另一类获益更多的核心所在。

阅读:骨质疏松症与心脏病

抗栓试验者协作组

定义

'抗血栓试验协作组”是一项具有里程碑意义的个体受试者荟萃分析,整合了主要阿司匹林试验的数据; 研究发现,阿司匹林在初级预防和二级预防中对血管事件的相对降低比例相似,但在初级预防中的绝对获益要小得多——约为每年0.06%——这是因为基线事件发生率要低得多。.

为什么这很重要

这项分析是为什么对于有和没有确诊心脏病的人群,阿司匹林的推荐建议存在如此大差异的统计学基础。.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

抗病毒药物(奈玛特韦/利托那韦 — Paxlovid)

定义

一种将奈玛特韦和利托那韦结合在一起的处方口服抗病毒药物,可抑制SARS-CοV-2复制;通常在感染初期开处方使用,以减轻COVID-19的严重程度和病程,包括用于有心血管疾病等基础疾病的患者。.

为什么这很重要

心血管疾病患者感染 COVID-19 的风险升高,这使得抗病毒治疗方案尤为重要。.

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

主动脉

定义

主动脉是你体内最大的动脉。它将血液从心脏输送出来,向下穿过胸腔和腹腔,向各处分发血管分支。.

为什么这很重要

由于它承受着巨大的压力,它可能会扩张、随年龄增长而变硬,或者出现膨出。在运动员中,主动脉通常比平均水平稍大,这就引发了关于什么才算正常的问题。.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

主动脉顺应性

定义

主动脉在收缩期扩张、在舒张期回缩的能力,充当平缓脉动性血流的压力缓冲器;随着缺乏运动或年龄增长导致的胶原蛋白交联和纤维化使动脉壁变硬,其顺应性随之降低。.

为什么这很重要

主动脉顺应性的丧失是本文所讨论的心血管老化的根本机械原因,通过持之以恒的锻炼可以部分恢复。.

你的心脏比你更老吗?逆转心血管年龄的科学

主动脉夹层

定义

主动脉夹层是一种危及生命的紧急情况,其特征是主动脉内膜撕裂使血液进入中膜层裂开,从而形成一个假腔;其临床表现为突发、剧烈的胸部或背部落撕裂样疼痛,自发病第一秒起即达到最严重程度,并可能导致双侧上肢脉搏不对称。.

为什么这很重要

对于患有未诊断的主动脉疾病的运动员来说,识别撕裂性疼痛与普通运动酸痛的区别可能意味着生死之别。.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

主动脉根部

定义

主动脉根部,即紧邻心脏上方从左心室发出的主动脉部分;这是早期动脉粥样硬化斑块形成的好发部位,在心脏病小鼠模型中常被常规测量以量化斑块负荷。.

为什么这很重要

在主动脉根部测量到的斑块是判断动脉粥样硬化进展严重程度的标准基准。.

问答:日常微塑料是否在助长心脏病?

主动脉瓣狭窄

定义

主动脉瓣狭窄是主动脉瓣(心脏的主要流出道瓣膜)的狭窄或硬化,会阻碍血液从左心室流入主动脉;升高的脂蛋白(a)被认为是钙化性主动脉瓣狭窄的第二大主要诱因。.

为什么这很重要

这表明 Lp(a) 对心脏的危害不仅限于动脉,这使得 Lp(a) 检测对于关注瓣膜健康的人群也具有相关性。.

胆固醇:它有什么用?

主动脉壁应力

定义

主动脉壁应力是作用于主动脉壁单位面积上的机械张力,由跨壁压、血管半径和壁厚计算得出;对胸主动脉疾病患者的心脏磁共振研究测量得出,在中等强度有氧运动期间,峰值主动脉壁应力为 257–323 kPa,远低于 850–1,200 kPa 的破裂阈值。.

为什么这很重要

AWS是决定动脉瘤样主动脉在任何给定水平的体力活动期间距离机械衰竭有多近的关键可测量变量。.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

主动脉病变

定义

主动脉病变是一个广泛的临床术语,涵盖任何损害主动脉壁结构完整性或功能的疾病过程,包括诸如腹主动脉瘤(AAA)等炎症-动脉粥样硬化性疾病,以及马凡综合征等遗传性结构性疾病。.

为什么这很重要

患有未确诊的主动脉病变的运动员在进行剧烈运动时面临着独特的风险,这些风险对于主动脉同样扩大的健康个体来说是不存在的。.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

呼吸暂停低通气指数 (AHI)

定义

阻塞性睡眠呼吸暂停的标准严重程度衡量指标,定义为每小时睡眠中完全呼吸暂停 (apneas) 加上部分气流减少 (hypopneas) 的次数;轻度 OSA 为 AHI 5–14,中度 15–29,重度 ≥30。

为什么这很重要

AHI 决定了诊断和治疗资格,但较新的研究表明,它在预测心血管死亡方面的可靠性不如氧降指标。

阅读:睡眠与您的心脏

Apo(a)(载脂蛋白 (a))

定义

A large protein encoded by the LPA gene that is covalently attached to the ApoB-100 protein on an LDL-like particle to form Lp(a); it contains repeated kringle-IV domains, and the number of those repeats is a principal reason Lp(a) concentrations differ so widely between individuals.

为什么这很重要

Understanding apo(a) explains why Lp(a) behaves differently from ordinary LDL and why its level is inherited rather than diet-driven.

阅读:什么是脂蛋白 (a)?

载脂蛋白(a)尾部

定义

附着于脂蛋白(a)颗粒低密度脂蛋白(LDL)核心的大糖蛋白链,其结构与纤溶酶原高度相似,从而抑制人体天然的溶栓系统,并在Lp(a)的致动脉粥样硬化和促炎作用之外,增加血栓形成的风险。.

为什么这很重要

它解释了脂蛋白(a)'三重威胁'中的第三个方面——除了携带胆固醇和氧化磷脂外,它还会积极干扰血栓的分解。.

炎症、脂蛋白与以低密度脂蛋白(LDL)为中心的时代的终结

载脂蛋白B

定义

载脂蛋白B(ApoB)是一种存在于每个可能卡在动脉壁并导致斑块形成的胆固醇颗粒外侧的蛋白质。其中每一个颗粒都恰好携带一个ApoB。.

为什么这很重要

这种一一对应的规则正是它如此有用的原因。测量 ApoB 计算的是颗粒的数量。而标准胆固醇测试则是测量颗粒内部携带的物质,如果你的颗粒异常空洞或充满,这可能会产生误导。.

为什么载脂蛋白B(ApoB)很重要?

载脂蛋白B不一致性

定义

不一致是指载脂蛋白B(ApoB)和低密度脂蛋白(LDL)胆固醇给出了两种不同的结果。你的LDL看起来正常,但颗粒数很高——或者情况相反。.

为什么这很重要

当您的颗粒携带的胆固醇比平时少时,就会发生这种情况,因此需要更多的颗粒才能在化验报告上凑出相同的数值。这在胰岛素抵抗或糖尿病患者中尤为常见。当这两项结果不一致时,ApoB 才是能追踪您实际风险的指标。.

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

APOB R3500Q 奠基者变异

定义

APOB R3500Q(p.Arg3527Gln)创始变异是APOB基因中的一种突变,在宾夕法尼亚州老派阿米什人中的携带率约为12%——远高于其在欧洲白人人群中0.1–0.4%的流行率 ——该突变会导致家族性ApoB-100缺陷,并自出生起即出现持续升高的低密度脂蛋白胆固醇(LDL-C)水平。.

为什么这很重要

该变异作为一个自然实验表明,终身低密度脂蛋白(LDL)升高会导致冠状动脉钙化负担显著增加,即使在生活方式健康且具有良好遗传背景的人群中也是如此。.

基因好能战胜血脂差吗?

载脂蛋白B-100

定义

ApoB-100是存在于LDL、VLDL、IDL和残粒脂蛋白上的全长载脂蛋白B;其带正电荷的氨基酸结构域与动脉壁中带负电荷的蛋白聚糖侧链发生离子结合,从而将颗粒物理性地 atrap(截留)在内膜中并启动斑块形成。.

为什么这很重要

正是这种分子'钩子'将有害颗粒锁定在动脉壁内——理解这一点就能解释为什么颗粒数量比单纯的胆固醇重量更重要。.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

载脂蛋白B-48

定义

ApoB-48 是载脂蛋白 B 的一种截短同工 isoform,在肠道中产生,专一性地存在于乳糜微粒及其残余颗粒上;与 ApoB-100 不同,它在空腹状态下不会被标准临床 ApoB 检测所测得,这意味着常规的 ApoB 检测反映的是来自肝脏的脂蛋白所带来的致动脉粥样硬化颗粒负荷,而不是饮食脂肪的吸收。.

为什么这很重要

了解这种同工异构体的存在有助于弄清楚标准 ApoB 血液检测的统计范围(包含什么以及不包含什么),从而让您能够准确解读检测结果。.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

含载脂蛋白B的颗粒

定义

脂蛋白——包括 LDL、IDL、VLDL 及其残粒——在其表面各自携带一个载脂蛋白 B 分子;颗粒数量(而不仅仅是胆固醇质量)是动脉粥样硬化的关键驱动因素,因为每个颗粒都可能滞留在动脉壁中。.

为什么这很重要

这篇文章反复解释,生酮饮食带来的代谢'胜利'并不能抵消 apoB/LDL 的升高,这使得这一概念成为生酮饮食与全植物全食物饮食(WFPB)对比的核心。.

生酮饮食 vs. 全食植物性饮食:关于运动表现、胰岛素敏感性、逆转心脏病和长寿的硬核证据是什么?

载脂蛋白B年数

定义

ApoB-years(载脂蛋白B年)是一个提出的研究指标,表示随时间推移累积的载脂蛋白B暴露量,以mg/dL·年为单位,即ApoB对年龄曲线下的面积;旨在比任何单次测量更直接地捕捉综合致动脉粥样硬化颗粒负荷,但尚未被验证为临床工具或治疗阈值。.

为什么这很重要

理解终生微粒暴露——而不仅仅是今天的数值——会加剧斑块积聚,这重新定义了为什么早期预防至关重要。.

载脂蛋白B:更长、更高、更糟

载脂蛋白B/载脂蛋白A1比值

定义

一项脂质风险指标,通过比较载脂蛋白B(ApoB,反映所有致动脉粥样硬化颗粒)与载脂蛋白A1(ApoA1,反映高密度脂蛋白,即主要的胆固醇逆转运颗粒)的浓度得出;在INTERHEART研究中被用作血脂异常的替代指标,其心肌梗死的优势比(odds ratio)为3.43,是所研究的所有单一危险因素中人群归因风险最高的指标。.

为什么这很重要

它将'坏'颗粒负荷和'好'颗粒容量合二为一,用单一数字呈现,比单纯的低密度脂蛋白胆固醇(LDL-C)更全面地反映脂质相关风险。.

载脂蛋白B、脂蛋白(a)与C反应蛋白在动脉粥样硬化进展中的综合动力学

载脂蛋白C3

定义

APOC3是编码一种蛋白质的基因,该蛋白质会阻止血液中富含甘油三酯的颗粒被清除。.

为什么这很重要

清除得越少,通关速度就越快。携带天然破损副本的人甘油三酯水平较低,心脏病发作次数也较少,这强有力地证明了这些颗粒是在造成危害,而不仅仅是随行。.

心血管保护的遗传架构

载脂蛋白E

定义

APOE 是一种拥有三种常见版本的基因,分别标记为 E2、E3 和 E4。它控制肝脏清除残留脂肪颗粒的效率。.

为什么这很重要

E4版本会提高胆固醇和阿尔茨海默病的风险,这是将心脏病与脑部疾病联系起来的线索之一。了解你的基因型并不会大大改变治疗方案,但它可以解释原本令人费解的血脂模式。.

阿尔茨海默病其实始于你的动脉吗?

APOE ε4 等位基因

定义

APOE ε4 等位基因是载脂蛋白 E 基因的一个常见变异,也是目前已知的晚发型阿尔茨海默病最大的常见遗传危险因素;它能促进脑血管损伤和血脑屏障破坏,这一作用与其对淀粉样蛋白和 tau 蛋白的影响无关。.

为什么这很重要

文章认为,APOE ε4主要通过血管途径发挥作用,在系统性脂蛋白生物学与脑部疾病之间架起桥梁,并支持了更广泛的血管假说。.

阿尔茨海默病其实始于你的动脉吗?

载脂蛋白

定义

载脂蛋白是附着在你血液中脂质运载颗粒上的一种蛋白质。由于脂肪和水不相溶,这些蛋白质就像一层包装,让脂肪能够在血液中安全地运输。.

为什么这很重要

不同的载脂蛋白标记不同种类的颗粒。ApoB 标记有害的颗粒。ApoA-I 标记高密度脂蛋白(HDL)。知道你在测量哪种载脂蛋白,就等于知道你在数哪种颗粒。.

为什么载脂蛋白B(ApoB)很重要?

载脂蛋白 A-I

定义

载脂蛋白 A-I 是 HDL 颗粒的主要结构蛋白,大致相当于有害颗粒中载脂蛋白 B (ApoB) 的作用。.

为什么这很重要

它承担着从细胞中收集胆固醇的实际工作。测量它可以比单凭胆固醇数值更好地反映高密度脂蛋白(HDL)的功能,尽管事实证明这两者都无法用作治疗靶点。.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

载脂蛋白E (ApoE)

定义

载脂蛋白E是一种蛋白质,它是大脑内部主要的胆固醇载体,通过一个完全独立于血浆脂蛋白的大脑特异性脂蛋白系统,将胆固醇从合成胆固醇的星形胶质细胞输送到神经元。.

为什么这很重要

它在大脑特异性胆固醇转运中的作用,不同于它在血浆脂代谢和阿尔茨海默病风险中广为人知的作用。.

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

花生四烯酸

定义

花生四烯酸是一种长链欧米茄-6脂肪酸,在体内由亚油酸转化而成;它是被称为类花生酸的促炎和抗炎信号分子的前体,这意味着它在炎症中的作用比简单的'种子油引发炎症'这一说法所暗示的要复杂得多。.

为什么这很重要

它是连接种子油与心脏病的假想炎症途径中的关键中间体,因此了解它的实际作用有助于阐明为什么该理论并不完整。.

阅读:seed oils 是否健康,是真是假?

曲线下面积(脂质暴露量)

定义

在心血管脂学中,曲线下面积是指一生中对致动脉粥样硬化脂蛋白的累积、时间整合暴露量;它表达了这样一种理念:数十年中等程度升高的 LDL-C 或 ApoB 所造成的动脉损伤总量,远大于短暂的高水平期。.

为什么这很重要

这一概念解释了为什么在30岁而不是50岁开始进行降脂治疗可以从根本上改变长期患心脏病的风险。.

为什么你‘正常’的胆固醇其实是一个警告信号

精氨酸

定义

精氨酸是一种存在于核桃等全食物中的氨基酸,它是人体用于合成一氧化氮的生化前体,从而支持内皮松弛和健康的血管扩张。.

为什么这很重要

它存在于天然全食物来源中,而精炼油中则没有,这有助于解释为什么整颗核桃能够保护血管功能,而提取出的油却会损害血管功能。.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

ARIC

定义

ARIC(动脉粥样硬化风险社区研究)自20世纪80年代末以来一直在对数千名美国成年人进行追踪调查。.

为什么这很重要

数十年的随访让研究人员得以观察到中年时期测量的风险因素如何在多年后演变成实际的疾病事件。这是支持“时间累积暴露量(而非单次测量结果)才是关键所在”这一观点的研究之一。.

体质好如何掩盖心脏病发作

致心律失常性心肌病

定义

致心律失常性心肌病是一种遗传性疾病,通常由桥粒蛋白(如斑菲素蛋白-2)的变异引起,在此病中,心肌逐渐被脂肪或纤维组织取代,从而为危及生命的室性心律失常创造了电生理基础;耐力运动量与该病更早且更严重的表现相关。.

为什么这很重要

它是导致年轻人运动相关心源性猝死的主要原因之一,且运动本身会加速潜在疾病的发展进程。.

如何避免英年早逝

致心律失常性基质

定义

心脏组织出现结构性或电气性改变——例如心房扩大和斑片状纤维化——这会使心脏易于维持异常心律;在运动员中,多年大负荷训练即使在没有症状的情况下也能产生这种基质。.

为什么这很重要

解释为什么运动员在成功进行射频消融术后,房颤仍容易复发。.

问答:房颤、耐力训练与消融术——运动员需要了解的知识

ARRIVE 试验

定义

ARRIVE 是一项随机、安慰剂对照试验,涉及约 12,500 名不伴有糖尿病的中度心血管风险成年人,每日服用 100 毫克阿司匹林;结果发现,主要心血管复合终点没有显著降低,且胃肠道出血增多,部分原因是由于广泛使用他汀类药物和降压药,实际事件发生率远低于预期。.

为什么这很重要

ARRIVE表明,其他预防性治疗方法的改进如何降低了曾使阿司匹林发挥作用的基线风险,从而改变了收益与风险的平衡。.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

动脉钙化

定义

钙 crystals 在动脉壁内的沉积会使血管变硬,在冠状动脉中则被用作动脉粥样硬化负荷的标志物;一些证据表明维生素 K2 可能有助于抑制其进展。.

为什么这很重要

Understanding calcification helps explain why vitamin K2 is studied as a cardiovascular supplement and why a high calcium score signals elevated risk.

纳豆激酶与心血管斑块:人体研究的真实情况

Arterial Lipid Depletion

定义

胆固醇及其他脂质从动脉壁内的物理清除,在非人灵长类动物模型饮食脂肪限制后的组织学中观察到;这代表了结构性斑块消退的最早且最基础的步骤。.

为什么这很重要

It confirms that the regression seen in imaging trials reflects a real biological change in artery composition, not just a measurement artifact.

Read: Reversal of Coronary Atherosclerosis: Mechanistic Insights from Human and Primate Studies

Arterial Plaque

定义

动脉壁内由脂质、免疫细胞、细胞碎片和纤维组织随时间积聚形成的沉积物,可使血流变窄或阻塞;也称为动脉粥样硬化病变或粥样斑块。.

为什么这很重要

Plaque formation is the central process linking microplastic exposure to heart attack and stroke risk in this study.

问答:日常微塑料是否在助长心脏病?

动脉重塑

定义

重塑是动脉随着斑块积聚而改变形状的过程。动脉通常会向外膨胀以腾出空间,从而保持中间的开口足够宽以使血液通过。.

为什么这很重要

This is why heart disease can hide for decades. The artery is quietly filling with plaque, but because it expanded outward, tests that only look at the opening say everything is fine.

Read: You Feel Fine – That’s the Problem

Arterial Stiffness

定义

Arterial stiffness is a measure of how much an artery's wall resists expansion with each pulse of blood; it increases with age as elastin is lost and collagen accumulates, and manifests clinically as a rising systolic blood pressure alongside a falling or stable diastolic blood pressure after about age 60.

为什么这很重要

Arterial stiffness is a direct, measurable consequence of vascular aging that contributes independently to cardiovascular risk.

Read: Heart disease accelerates as you age

Arteriogenesis

定义

Arteriogenesis is the structural remodeling of pre-existing small arterio-arteriolar anastomoses into mature, muscular conducting arteries, driven primarily by increased fluid shear stress rather than tissue hypoxia. Unlike angiogenesis, which produces only tiny capillaries, arteriogenic vessels can handle meaningful bulk arterial flow.

为什么这很重要

It is the mechanism behind the heart's 'backup pipes' and explains both why fit athletes tolerate coronary blockages silently and why that protection has a hard ceiling.

运动如何阻断疼痛:运动员心脏的致命秘密

Artifact (EKG/Stress Test)

定义

A finding on a cardiac test that mimics a sign of disease but is actually caused by technical interference, movement, or normal variation rather than a true abnormality; physicians must distinguish artifacts from genuine pathological signals to avoid misdiagnosis.

为什么这很重要

Dr. Megdal's doctor initially dismissed his ST depression as an artifact—a decision that delayed diagnosis and illustrates a key challenge in interpreting exercise EKGs in athletes.

Read: How I Reversed My Heart Disease

ASCVD (Atherosclerotic Cardiovascular Disease)

定义

ASCVD is the clinical shorthand for disease caused by plaque buildup in the arteries — it covers coronary artery disease, most strokes, and peripheral artery disease under one label.

为什么这很重要

It's the term driving guideline recommendations and risk calculators, because it groups the different places plaque can cause trouble into the single risk that lifestyle and medication decisions are actually aimed at reducing.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

阿司匹林

定义

阿司匹林能降低血小板的粘性,从而减少血栓形成的几率。.

为什么这很重要

If you have already had a heart attack or stroke, daily aspirin usually helps. If you have not, the picture changed: newer studies found the bleeding risk roughly cancels out the benefit for most healthy adults. This is one of the clearest examples of medical advice reversing based on better evidence.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

ASPREE Trial

定义

ASPREE was a large randomized trial testing daily low-dose aspirin versus placebo in adults aged 70 and older (65 and older for U.S. minorities) who were free of cardiovascular disease; it found no significant reduction in cardiovascular events and a higher rate of major bleeding and all-cause mortality in the aspirin group, forming a key basis for recommending against aspirin initiation in older…

为什么这很重要

ASPREE is one of the three pivotal modern trials that shifted guidelines away from routine aspirin use in healthy older people.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

ASTEROID Trial

定义

一项具有里程碑意义的2006年系列IVUS研究表明,每日服用40毫克瑞舒伐他汀24个月,可使粥样斑块体积百分比和总粥样斑块体积均产生具有统计学意义的减少,这为强化他汀类药物治疗能够使冠状动脉斑块逆转提供了首个大规模证据。.

为什么这很重要

ASTEROID established aggressive LDL lowering as a proven strategy for shrinking plaques and set the benchmark for subsequent regression trials.

Read: Reversal of Coronary Atherosclerosis: Mechanistic Insights from Human and Primate Studies

星形胶质细胞

定义

星形胶质细胞是大脑中的一种支持细胞(神经胶质细胞),作为中枢神经系统的主要胆固醇制造细胞,为神经元提供胆固醇以进行细胞膜维护和髓鞘支持。由于血液中的脂蛋白无法穿过血脑屏障,大脑几乎完全依赖星形胶质细胞衍生的胆固醇合成。

为什么这很重要

Disruption of astrocyte cholesterol production is implicated in neurodegenerative conditions, and understanding this isolated synthesis helps explain why systemic LDL levels do not directly reflect brain cholesterol status.

百万美元分子:为什么你的身体为胆固醇付出巨资

动脉粥样硬化形成

定义

动脉粥样硬化形成是斑块形成的逐步过程。.

为什么这很重要

It starts when an ApoB particle slips into the artery wall and gets trapped. The body treats it as an invader and sends in immune cells. Those cells eat the trapped cholesterol, get stuck themselves, and die there. Repeat this for twenty years and you have a plaque.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

Atherogenic Dyslipidemia

定义

致动脉粥样硬化性血脂异常是一种以甘油三酯升高、HDL胆固醇降低以及小而密LDL颗粒比例增加为特征的血脂谱;它常见于胰岛素抵抗、内脏肥胖和久坐不动的生活方式,并与加速的动脉粥样硬化有关。.

为什么这很重要

Standard cholesterol tests can miss this pattern, making it an important concept for understanding hidden cardiovascular risk.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

血浆致动脉粥样硬化指数

定义

甘油三酯与高密度脂蛋白胆固醇的对数衍生比值,用作致动脉粥样硬化脂蛋白颗粒大小和心血管风险的标志物;文章指出,升高的 AIP 与冠状动脉钙化负荷及主要不良心血管事件相关,且独立于传统危险因素。.

为什么这很重要

AIP offers an additional layer of risk information beyond the CAC score itself, particularly for patients with borderline results.

零的力量:没有钙 – 没有风险?

Atherogenic Lipoprotein Hypothesis

定义

The atherogenic lipoprotein hypothesis is the scientific proposition that apolipoprotein B-containing lipoproteins are the primary causal drivers of atherosclerotic cardiovascular disease, meaning the number of these particles circulating in the blood directly determines the rate of plaque formation in arterial walls.

为什么这很重要

Understanding this hypothesis explains why researchers have shifted focus from total cholesterol to particle counts as the key measure of heart disease risk.

胆固醇大谎言:揭露饮食行业的有组织否认

Atherogenic Particle

定义

致动脉粥样硬化颗粒是指含ApoB的脂蛋白——包括LDL、IDL、VLDL和脂蛋白(a)——它们能够进入并滞留在动脉壁中,从而引发并维持斑块的生长;文章用该术语来描述必须大幅且持续降低以实现斑块逆转的物质。.

为什么这很重要

The article's main practical message is to lower these particles, so readers need a precise understanding of what the term covers beyond just 'LDL'.

Read: Can heart disease be reversed?

Atherogenic Particle Number

定义

循环血液中含ApoB的脂蛋白颗粒(包括LDL、VLDL残粒以及Lp(a))的总数,这不同于它们所携带的胆固醇质量;欧洲动脉粥样硬化学会共识认为,最好通过ApoB测量来捕获的颗粒数,比单纯的LDL-C浓度能更准确地预测动脉粥样硬化风险。.

为什么这很重要

Shifting focus from cholesterol mass to particle number is the central scientific reframing of the article, explaining why ApoB measurement is replacing traditional LDL-C testing.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

动脉粥样硬化

定义

动脉粥样硬化是导致大多数心脏病发作和许多中风的疾病。胆固醇颗粒卡在动脉壁内,身体派出免疫细胞进行清理,经过多年,这些杂质硬化成斑块。.

为什么这很重要

The key thing to understand is that it starts young — often in the teens and twenties — and grows silently for decades before anyone notices. By the time it causes a symptom, it has usually been building for most of your life.

从子宫到逆转:消除一生的动脉损伤

Atherosclerotic Heart Disease

定义

A condition in which plaques composed of lipids, inflammatory cells, and fibrous tissue build up within the walls of the coronary arteries, narrowing them and reducing blood flow to the heart; it is the leading cause of heart attacks worldwide.

为什么这很重要

Megdal's diagnosis and self-reported reversal of this condition is the medical backdrop that makes his athletic achievements particularly striking.

彼得·梅格达尔 (Peter Megdal) 登上《戴德姆时报》

Atherosclerotic Regression

定义

The measurable reduction in the size or lipid content of coronary artery plaques, documented by angiography or imaging; it requires a sustained biochemical environment of low circulating LDL and low inflammatory signaling so that cholesterol efflux from the arterial wall exceeds influx.

为什么这很重要

It is the central clinical goal of the dietary protocols discussed in the article—moving beyond slowing disease to actually reversing it.

阅读:动脉粥样硬化消退的病理生理决定因素:超低脂全食物植物性营养方案的关键性

运动员钙化悖论

定义

运动员钙化悖论是一项证据充分的发现,即终身从事耐力运动的运动员比同龄的久坐人群积累了更多的冠状动脉钙和总斑块,但其心血管死亡率却显著降低——这意味着在这一群体中,更多的“锈迹”并不等同于更高的死亡风险。

为什么这很重要

这是促使医生和运动员重新思考对于高强度运动的人来说,高钙评分究竟意味着什么的核心发现。

巅峰体能与隐形钙化:运动员的斑块积聚悖论

运动员悖论

定义

运动员悖论是指观察到一些终身耐力运动员尽管在其他方面具有良好的心血管风险指标,但其冠状动脉钙化评分和总斑块负担却高于运动量较少的同龄人,这表明极端的慢性运动可能会独立促进动脉钙化。

为什么这很重要

它挑战了运动越多总是意味着心脏病风险越低的简单假设。

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

运动员的心脏

定义

运动员心脏描述了经过多年艰苦训练的心脏所发生的正常变化。心壁略微增厚,心腔变大,静息脉搏下降。

为什么这很重要

这些变化是健康的适应过程,而非疾病。复杂之处在于,它们在检查中可能看起来与真实的心脏问题相似,因此需要由了解运动员的专业人士进行解读。

运动如何阻断疼痛:运动员心脏的致命秘密

ATP-柠檬酸裂解酶 (ACLY)

定义

ATP-柠檬酸裂酶是甲羟戊酸途径中位于HMG-CoA还原酶上游两步的酶,它通过裂解柠檬酸为胆固醇合成提供原料;苯培酸通过抑制该酶来减少肝脏胆固醇的产生。.

为什么这很重要

由于 ACLY 是贝培多酸的作用靶点,了解它就能解释这种较新的药物是如何通过不同于他汀类药物的机制来降低 LDL 的。

我应该服用降胆固醇药吗?当然应该。.

心房颤动

定义

心房颤动,通常简称为房颤,是一种始于心脏上腔的心跳过快且不规律的症状。.

为什么这很重要

由于这些心腔只是颤动而无法正常收缩,血液可能会淤积并形成血栓,血栓可能流向大脑并引起中风。有趣的是,耐力运动员比久坐不动的人更容易发生房颤——这是高强度运动增加而非降低风险的少数几种情况之一。

心房不应期

定义

每次电激活之后心房肌细胞对新刺激无反应的短暂间期;当这一不应期缩短时(如在交感神经激增或迷走神经张力作用下发生的情况),心房对快速、紊乱的放电及房颤的发作变得更加脆弱。.

为什么这很重要

较短的不应期是将受训运动员的高强度运动与房颤联系起来的关键电生理机制之一。

接受过治疗的心房颤动大师级运动员(50岁以上)的心血管风险管理与训练调整:专家报告

心房重构

定义

心房的结构和电生理改变——包括扩大、管壁增厚、纤维化以及离子通道表达改变——这些改变是在对慢性压力或容量超负荷的反应中发展而来的;在耐力运动员中,持续的高心输出量会驱动这一过程并增加对房颤的易感性。.

为什么这很重要

心房重构是连接多年高强度耐力训练与房颤风险增加的底层机制。

问答:房颤、耐力训练与消融术——运动员需要了解的知识

非典型房扑

定义

一种房扑,其折返环路不遵循经典右房径路,而是起源于心房其他部位的纤维化或瘢痕组织;在消融术后的运动员中,它通常标志着疾病进展已超出了最初隔离的肺静脉触发点。.

为什么这很重要

消融术后出现这种情况是一个警示信号,表明底层的致心律失常基质正在进展,而非已经解决。

接受过治疗的心房颤动大师级运动员(50岁以上)的心血管风险管理与训练调整:专家报告

非典型症状(心肌梗死)

定义

心脏病发作时除胸痛以外的表现——如不明原因的疲劳、恶心、下颚或背部疼痛、气促或冷汗——这些在女性和老年人中更为常见,也是心脏事件未被识别的主要原因。

为什么这很重要

大多数“隐匿性”心脏病发作并非真正无症状;识别非典型症状是读者的实际收获。

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

AUC (ROC 曲线下面积)

定义

衡量诊断测试区分会发生事件与不会发生事件患者能力的统计指标,范围从 0.5(不优于随机概率)到 1.0(完美区分);在 CONFIRM2 登记研究中,AI-QCT 将预测重大心脏事件的 AUC 从 0.62 提高到了 0.75。

为什么这很重要

AUC 数值是本文量化 AI-QCT 相比标准测试在预测准确性方面提升的方式。

阅读:心脏病管理的未来

自身免疫性疾病

定义

免疫系统错误地攻击身体自身组织的疾病;Cordain 认为谷物(进化上较晚出现的食物)与某些自身免疫性疾病有关,并指出谷蛋白相关和凝集素相关的机制可能是诱因。

为什么这很重要

这一说法是原始饮食(Paleo)框架不鼓励食用谷物的关键原因,在评估无谷物饮食时值得深入了解。

阅读:蛋白质辩论

自动体外除颤器 (AED)

定义

自动体外除颤器(简称 AED)是一种便携式设备,可以通过电击使停跳的心脏恢复正常心律。它会通过语音指导你如何操作,并且只有在需要时才会进行电击。.

为什么这很重要

当有人因心脏骤停倒下时,存活率会随时间的每一分钟流逝而下降。附近有旁观者使用 AED 拯救的生命远比等待救护车要多。

如何避免英年早逝

细胞自噬

定义

细胞自噬是一种细胞清理过程,细胞通过该过程分解并回收受损的蛋白质和细胞器;在动脉巨噬细胞中,它有助于清除脂质碎片并防止斑块积聚。该文章在 2024 年《自然·代谢》(Nature Metabolism) 上的发现表明,单餐摄入高剂量的蛋白质可能会抑制这些免疫细胞的自噬,从而可能在动物模型中加重动脉粥样硬化……

为什么这很重要

动脉壁免疫细胞中的自噬是连接高蛋白饮食与心血管风险的拟议机制,使其成为该文章中“25克悖论”的核心。

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

尸检阴性的不明原因猝死 (AN-SUD)

定义

“尸检未见病因的突发不明原因死亡”是指在完成包括心脏专项病理检查在内的全面尸检后,未发现致命性心脏事件的结构性病因时所采用的分类;在当代美国大学体育协会(NCAA)运动员猝死数据中,该类别是经裁定的最大单一类别,约占病例总数的20%。.

为什么这很重要

了解到五分之一的年轻人心脏猝死不会留下任何结构性痕迹,这解释了为什么仅侧重于解剖学的筛查策略无法预防所有事件。

如何避免英年早逝

自动氧化

定义

自动氧化是脂肪与大气中的氧气发生的自发反应,在没有外部火源的情况下启动和传播;反应速率随着脂肪酸中双键数量的增加而提高,这使得高度多不饱和种子油在储存或反复加热过程中比饱和或单不饱和脂肪更容易酸败。

为什么这很重要

这是建议将食用油储存在阴凉避光处并避免重复使用煎炸油的化学基础。

阅读:seed oils 是否健康,是真是假?

平均管腔直径

定义

在参考标记之间的整个标准化动脉段内测量的平均内径,而不是单个最窄点;Megdal 研究使用带有红色刻度标记段的 ALD 变化,来记录左前降支 (LAD) 和回旋支中弥漫性、全壁性的消退,而不仅仅是单一局灶部位的改善。

为什么这很重要

ALD 揭示了整个动脉是否变得更健康,而不只是某一个孤立的热点区域是否得到了改善。

阅读:冠状动脉疾病消退的专家血管造影评估:Megdal 序列血管造影 (2014–2018)

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B

球囊血管成形术

定义

一种经导管操作,通过在狭窄的冠状动脉内充盈一个小气囊来压迫斑块并扩宽血管;在支架问世前被广泛使用,但由于术后动脉再次狭窄(再狭窄)发生率高而受到限制。.

为什么这很重要

球囊血管成形术是支架置入术的前身,了解其局限性可以解释为什么支架成为了主流治疗方法。

阅读:心脏支架的细节

巴尔的摩老龄化纵向研究

定义

巴尔的摩老龄化纵向研究是一项长期前瞻性队列研究,数十年来追踪健康男性,记录了三十岁后总睾酮每年下降约 1-2%,而随着 SHBG 同时升高,游离睾酮和生物可利用睾酮的下降幅度更显著,每年约 2-3%。

为什么这很重要

它提供了关于男性激素水平随年龄变化的基础数据,支持了测量生物可利用睾酮而非总睾酮的临床重要性。

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

裸金属支架

定义

植入冠状动脉内部以将其撑开的未涂层金属网管;与药物洗脱支架不同,它不携带任何药物,且更容易因动脉组织过度生长(新生内膜增生)而再次阻塞。.

为什么这很重要

了解不同类型支架之间的区别有助于患者针对被推荐的器械及其原因提出知情问题。

阅读:心脏支架的细节

巴斯勒假设 (Bassler Hypothesis)

定义

巴斯勒假设是医生托马斯·巴斯勒在 20 世纪 70 年代提出的观点,即完成标准马拉松可以提供近乎绝对的保护,防止致命的冠状动脉粥样硬化;20 世纪 70 年代末和 80 年代的尸检研究记录了在训练中死亡的跑步者患有冠状动脉疾病,迅速反驳了这一观点。

为什么这很重要

了解这一被推翻的观点解释了为什么医生曾认为健康的运动员对心脏病免疫——以及该观点的崩塌如何重塑了我们今天筛选运动员的方式。

巅峰体能与隐形钙化:运动员的斑块积聚悖论

BDNF(脑源性神经营养因子)

定义

一种支持神经元存活、生长和可塑性的蛋白质;雌二醇促进与 BDNF 相关的信号通路,其在更年期期间的下降可能会减少突触维持并导致记忆力减退。

为什么这很重要

BDNF 是雌激素流失与认知变化之间的关键分子桥梁,这使其与理解更年期大脑健康密切相关。

绝经 内分泌 心血管 风险

贝佩多酸

定义

苯培酸是一种降胆固醇药丸,在肝脏中发挥作用,其作用点略早于他汀类药物的作用机制。.

为什么这很重要

它的主要优势在于它不会进入肌肉组织,因此很少会引起一些人因使用他汀类药物而产生的肌肉疼痛。这使得它成为真正无法耐受他汀类药物的人士的一个有用选择。

我应该服用降胆固醇药吗?当然应该。.

获益-风险平衡

定义

获益-风险平衡是指对治疗所预防的有毒事件的绝对减少量与所引起的有毒事件的绝对增加量进行定量比较;对于阿司匹林,这种平衡在二级预防中(事件发生率高)非常有利,但在一级预防中(事件发生率低)则接近中性或不利。

为什么这很重要

这一概念是整个阿司匹林争议的核心框架——同一种药物对一个人来说可能是救命稻草,而对另一个人来说可能是有害的,这取决于他们的潜在风险。

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

苯二氮卓类药物

定义

一类通过增强大脑中 γ-氨基丁酸作用的镇静催眠药物;它们用于治疗失眠和焦虑,但具有巨大的跌倒、骨折、认知障碍和依赖风险,尤其是对老年人而言。

为什么这很重要

虽然广泛用于睡眠,但对于 65 岁以上的人来说,它们通常是一个糟糕的折中方案,这就是为什么行为疗法更受推崇的原因。

阅读:睡眠与您的心脏

β 受体阻滞剂

定义

β 受体阻滞剂是一种减缓心跳并减弱心跳力度的药物,从而降低血压并减少心脏所需的氧气量。

为什么这很重要

常见的例子包括美托洛尔和卡维地洛。它们广泛用于心肌梗死后和心力衰竭,在这些情况下,更平稳、更缓慢的心跳对受损的肌肉更有利。

β 细胞功能障碍

定义

胰岛分泌胰岛素的 β 细胞在应对血糖升高时产生足够胰岛素的能力受损;在 2 型糖尿病中,长期的代谢压力会导致不可逆的 β 细胞流失,从而限制了疾病逆转的可能性。

为什么这很重要

文章将 β 细胞功能障碍与心肌瘢痕形成进行类比,以阐明一个更广泛的原则,即抑制疾病进程并不总能消除其已经造成的器官损伤。

阅读:心脏病可以治愈吗?

甜菜碱依赖性再甲基化

定义

一种主要在肝脏和肾脏中运行的替代性同型半胱氨酸再甲基化途径,使用甜菜碱而非 5-甲基四氢叶酸作为甲基供体;它是对叶酸依赖性途径的补充,但不能替代它。

为什么这很重要

这解释了为什么使用 B 族维生素降低同型半胱氨酸有时并不彻底,以及为什么肝脏和肾脏健康等器官特异性因素会影响其效果。

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

双房扩大

定义

左右心房均增大,这是耐力运动员因多年高心输出量和持续容量负荷而导致的一种结构性改变;它会形成一个被拉伸、电不稳定且易诱发心房颤动的组织环境。.

为什么这很重要

了解心房扩大的原因有助于解释为什么减少训练量(而不仅仅是治疗症状)对于长期的心律控制至关重要。

接受过治疗的心房颤动大师级运动员(50岁以上)的心血管风险管理与训练调整:专家报告

双百年自行车馆

定义

位于墨西哥阿瓜斯卡连特斯的一个室内自行车场,海拔约 1,887 米,以其陡峭的坡道弯道和有利于尝试打破纪录的空气动力学速度的高海拔条件而闻名。

为什么这很重要

该场馆的海拔和坡度角是理解 Megdal 创造世界一小时纪录时的条件以及所做权衡的核心。

精英老将自行车手的生理优化与寿命表现建模

大聚糖

定义

大聚糖是一种存在于动脉内膜下基质中的小型富亮氨酸蛋白多糖,它与多配体聚糖(versican)和小分子富亮氨酸蛋白多糖(decorin)一起,通过离子相互作用结合含载脂蛋白B的脂蛋白颗粒,促使其滞留在内膜中,这是动脉粥样硬化的起始步骤。.

为什么这很重要

了解捕获颗粒的特定分子有助于解释为什么减少颗粒数量比每个颗粒的胆固醇含量更重要。

载脂蛋白B:更长、更高、更糟

Bioabsorbable Stent

定义

A next-generation coronary scaffold made from materials that are gradually broken down and absorbed by the body over time, leaving no permanent metallic structure inside the artery.

为什么这很重要

Because no metal remains, bioabsorbable stents avoid the lifelong risk of in-stent thrombosis associated with permanent metal devices.

阅读:心脏支架的细节

生物利用度睾酮

定义

Bioavailable testosterone is the sum of the free (unbound) and albumin-bound fractions of circulating testosterone—the portion actually accessible to tissues—as opposed to the SHBG-bound fraction, which is biologically inert under normal conditions.

为什么这很重要

This is the clinically meaningful number that predicts symptoms; total testosterone alone can be misleading.

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

Biohacking

定义

A popular term for self-experimentation with diet, supplements, technology, or lifestyle practices aimed at optimizing physical performance, health, or longevity; it lacks a standardized scientific definition and often promotes unvalidated interventions.

为什么这很重要

Knowing the term helps readers critically evaluate trendy health claims that may outpace the supporting evidence.

营养学大辩论:原始人饮食法/生酮饮食/旧石器饮食与全食物植物性饮食对长寿和心脏病影响的循证现实

Biologic (Drug)

定义

A medication derived from living cells or biological sources rather than chemical synthesis; unlike small-molecule drugs such as statins, biologics are typically large proteins administered by injection and are designed to target specific molecules in the body.

为什么这很重要

Understanding that Repatha is a biologic helps explain why it works through a completely different mechanism than statins and has a distinct side-effect profile.

Read: How I Reversed My Heart Disease

生物惯性

定义

The tendency of established structural damage—such as calcified plaques or myocardial scar tissue—to persist even after the active disease process driving that damage has been halted, because the biochemical and cellular remodeling involved is largely irreversible.

为什么这很重要

This concept explains why early intervention produces better outcomes than late intervention, a recurring theme in the article's discussion of plaque types and heart-attack scarring.

阅读:心脏病可以治愈吗?

Biological Latency

定义

Biological latency in atherosclerosis is the interval between the start of arterial injury from ApoB-containing particles and the point at which a lesion grows large enough for clinical imaging to detect it; autopsy studies of young soldiers and the Bogalusa Heart Study confirm that microscopic disease is common long before any scan turns positive.

为什么这很重要

Latency explains why a clean heart scan in a young person with very high cholesterol can be misleading rather than reassuring.

Read: Does metabolic health protect you from high cholesterol?

生物标志物

定义

生物标志物是身体中可测量的、能反映健康或疾病状况的事物——例如实验室化验值、扫描结果或血压读数。.

为什么这很重要

The catch is that changing a biomarker does not automatically mean you have changed your fate. A number can improve while the underlying disease keeps going. Good biomarkers are ones that have been proven to track real outcomes.

牛排中的隐形毒素:肠道细菌如何引发心脏病

Bis-Allylic Methylene Group

定义

A carbon atom flanked on both sides by carbon-carbon double bonds in a fatty acid chain; this configuration is particularly vulnerable to free-radical attack and is the structural reason polyunsaturated fats oxidize faster than saturated or monounsaturated fats.

为什么这很重要

This is the precise chemical feature that makes seed oils less stable at high heat, grounding the cooking-stability advice in molecular reality.

阅读:seed oils 是否健康,是真是假?

Bisphosphonates

定义

A class of antiresorptive drugs — including alendronate, risedronate, and zoledronic acid — that suppress osteoclast activity to slow bone removal; they are the most widely prescribed osteoporosis medications and have decades of fracture-reduction trial data.

为什么这很重要

They are the default first-line therapy for osteoporosis, so understanding their mechanism and cardiovascular signal is essential for any cardiac patient with bone disease.

阅读:牙龈疾病与心脏病

Bleeding on Probing (BOP)

定义

A clinical sign assessed by gently probing the gum pocket; bleeding indicates active gingival inflammation, and its consistent absence at a site generally signals periodontal stability — though smoking can suppress bleeding and mask disease.

为什么这很重要

这是活跃炎症的主要椅旁信号,有助于临床医生区分稳定性牙周病和活跃性牙周病。

阅读:牙龈疾病与心脏病

Bloch 途径

定义

Bloch 途径是羊毛甾醇转化为胆固醇的两条主要途径之一,其过程先产生中间体链甾醇,最后由 DHCR24 酶进行还原。它主要存在于睾丸、肾上腺和发育中的神经元中,在这些部位,链甾醇中间体本身具有生物学功能。

为什么这很重要

该途径中特定酶的缺陷会导致遗传性甾醇代谢紊乱,可能表现为心血管和神经系统并发症。

百万美元分子:为什么你的身体为胆固醇付出巨资

血糖

定义

血糖,即葡萄糖,是细胞运转的能量来源。你的身体一直在努力将其维持在一个狭窄的范围内。.

为什么这很重要

当血糖多年持续偏高时,它会损伤全身的血管——包括为心脏、肾脏、眼睛和神经供血的血管。高血糖通常与高甘油三酯和高颗粒数同时出现。

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

血容量

定义

身体内血液循环的总量;耐力训练会扩大血浆容量和红细胞质量,从而增加向肌肉输送的氧气,并有助于提高受训运动员的最大摄氧量 (VO₂max)。

为什么这很重要

血容量扩大是区分精英大师级运动员与同龄久坐人群的关键生理适应之一。

精英老将自行车手的生理优化与寿命表现建模

血脑屏障

定义

血脑屏障是衬于大脑血管内的一种高度选择性的细胞界面,它阻止脂蛋白颗粒进入中枢神经系统,这意味着大脑必须在本地合成其自身所需的全部胆固醇。

为什么这很重要

了解这一屏障可以解释为什么降脂药物不会耗尽大脑中的胆固醇,从而解决了人们对他汀类药物安全性和认知影响的普遍担忧。

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

绽放伪影 (Blooming Artifact)

定义

一种 CT 成像现象,由于信号溢出,致密的钙化沉积物看起来比实际要大,产生一个明亮的“光晕”,可能会掩盖邻近的非钙化斑块或扭曲管腔评估。

为什么这很重要

这种伪影是标准 CAC 扫描可能低估潜伏在钙化点旁的冠心病严重程度的一个关键原因。

阅读:冠状动脉钙化与运动风险

蓝色宝地

定义

研究员丹·布特纳(Dan Buettner)确定了五个地理区域——冲绳、撒丁岛、洛马琳达、尼科亚和伊卡里亚——这些地方居民的寿命显著长于全球平均水平;他们的饮食中90–95%以植物性食物为主,主要以豆类、全谷物和块茎类食物为中心。.

为什么这很重要

“蓝色地带” (Blue Zone) 人群提供了关于哪些饮食模式与长寿相关的现实、长期证据。

营养学大辩论:原始人饮食法/生酮饮食/旧石器饮食与全食物植物性饮食对长寿和心脏病影响的循证现实

体质指数 (BMI)

定义

身体质量指数(简称BMI)是根据身高和体重计算得出的一个数值,用作衡量体型的粗略标准。.

为什么这很重要

它虽然方便但很粗略。它无法区分肌肉和脂肪,也无法说明脂肪储存在哪里。一个肌肉发达的运动员可能处于超重范围,但非常健康;而一个瘦子可能携带着危险的内脏脂肪。

阅读:为什么腹部脂肪比你想象的更危险

博加卢萨心脏研究

定义

博加卢萨心脏研究检查了在路易斯安那州一个小镇的事故中身亡的儿童和年轻人的动脉。.

为什么这很重要

研究结果令人震惊:在青少年中发现了脂肪纹和早期斑块,而且在胆固醇和血压较高的人群中更为多见。这是直接证据,表明心脏病在任何人有感觉的几十年前就已经开始了。

从子宫到逆转:消除一生的动脉损伤

肱动脉血流介导的舒张功能 (FMD)

定义

肱动脉血流介导的扩张(FMD)是一项无创超声检查,用于测量上臂肱动脉因血流增加而扩张的程度,以反映一氧化氮依赖性的内皮功能;在观察性研究中,它是与心血管风险相关的替代标志物,但其本身并不是心脏病发作或中风等临床终点。.

为什么这很重要

许多关于膳食脂肪的研究将 FMD 作为结果指标,因此了解其局限性有助于读者恰当地评估这些结果。

阅读:seed oils 是否健康,是真是假?

头臂动脉

定义

从主动脉弓发出的主要动脉,为头部、颈部和右臂供血;在小鼠动脉粥样硬化研究中,它是测量斑块的关键部位,因为其病变发展迅速且具有可重复性。

为什么这很重要

研究报告称该动脉斑块增加了 624%,这是该研究最引人注目的发现,因此了解它是什么很重要。

问答:日常微塑料是否在助长心脏病?

布拉德福德·希尔标准 (Bradford Hill Criteria)

定义

布拉德福德·希尔标准是一组包含九项原则(包括关联强度、一致性、生物学合理性和剂量反应)的准则,用于评估暴露与疾病之间观察到的统计学关联是否可能是因果关系。.

为什么这很重要

它们是科学家用来判断 LDL 是否真正导致心脏病(而非仅仅是与之相关)的标准框架。

阅读:胆固醇大谎言(第二部分)

突围(公路自行车赛)

定义

比赛中一小群骑手加速脱离大集团 (peloton),希望将领先优势保持到终点线。

为什么这很重要

追赶突围选手的战术决定推动了高强度的血管活动,这也是本文运动方面的核心内容。

阅读:Peter Megdal 在全国锦标赛中获得第二名

BROAD 研究

定义

一项随机对照试验 (Wright et al., 2017) 在社区环境中针对肥胖、缺血性心脏病或糖尿病测试了全食物植物饮食;WFPB 组在六个月和十二个月时取得的减重效果优于任何其他不强制限制热量或运动的试验。

为什么这很重要

这是为数不多的直接比较植物性饮食与常规护理在不混杂热量计数的情况下进行减重效果对比的随机对照试验之一。

营养学大辩论:原始人饮食法/生酮饮食/旧石器饮食与全食物植物性饮食对长寿和心脏病影响的循证现实

布朗和戈德斯坦 LDL 受体通路

定义

由诺贝尔奖获得者迈克尔·布朗 (Michael Brown) 和约瑟夫·戈德斯坦 (Joseph Goldstein) 描述的基础分子机制,表明肝细胞通过结合并清除血液中 LDL 的表面受体来调节自身的胆固醇摄取;这一发现解释了家族性高胆固醇血症,并成为他汀类药物、PCSK9 抑制剂以及随后所有降 LDL 疗法的生物学理论依据……

为什么这很重要

文中讨论的所有降胆固醇药物最终都是通过利用或增强这一通路起作用的,使其成为现代脂质医学的概念基石。

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

BVAIT(B 族维生素动脉硬化干预试验)

定义

一项涉及 506 名参与者的随机对照试验,测试了大剂量 B 族维生素(5 毫克叶酸、0.4 毫克 B-12、50 毫克 B-6)与安慰剂的效果,为期约三年,以颈动脉内膜中层厚度进展为主要终点;主要结果为阴性。

为什么这很重要

这是最大的影像学试验,直接测试 B 族维生素是否能减缓轻度同型半胱氨酸升高人群的动脉斑块进展。

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

心脏搭桥手术

定义

搭桥手术从身体的其他部位取出一根健康的血管,并用它来绕过严重阻塞的冠状动脉,使血液得以改道流通。.

为什么这很重要

像支架一样,它能恢复缺血肌肉的血流量。也像支架一样,它只治疗一个位置。除非解决根本原因,否则你其他动脉中的病理过程仍将继续。

治疗生物学而非管道:心脏病学激进的新方法

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C

C反应蛋白

定义

C反应蛋白,简称CRP,是当身体某处有炎症时肝脏产生的一种物质。该测试的敏感版本 hs-CRP 用于评估心脏风险。.

为什么这很重要

高结果意味着有炎症,但不知道炎症来源——感冒、关节炎或牙龈疾病也会使其升高。它提供了额外信息,但不能取代对颗粒计数的测量。

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

C 统计量(一致性统计量)

定义

衡量预测模型正确按风险对个体进行排序的能力,相当于 ROC 曲线下面积 (AUC);其范围从 0.5(不比随机好)到 1.0(完美区分),数值在 0.80 以上通常被认为具有临床应用价值。

为什么这很重要

它允许直接比较传统风险评分与 AI 影像在识别谁会发生心脏病发作方面的表现。

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

C5 级别(残疾人自行车)

定义

国际自行车联盟 (UCI) 残疾人自行车赛中功能受损最轻的类别,专门面向有肢体缺失、腿长差异或肌肉力量、运动范围受损,但程度轻微到足以在标准自行车上进行比赛的运动员。

为什么这很重要

分类决定了运动员与谁竞争以及适用哪些纪录,这使其成为评价梅格达尔 (Megdal) 表现的重要背景。

阅读:自行车手彼得·梅格达尔 (Peter Megdal) 寻求并克服艰难障碍

冠状动脉疾病报告和数据系统

定义

CAD-RADS(冠状动脉疾病报告和数据系统)是一种用于报告冠状动脉CT血管造影检查结果的标准化分级量表,分值范围从0级(无斑块或狭窄)到5级(至少有一支完全闭塞的血管);该索引患者的评分为CAD-RADS 0级,反映在成像阈值以上未检测到斑块。.

为什么这很重要

了解 CAD-RADS 0 的含义——以及它不能排除什么——对于解读整篇文章中讨论的“完美”扫描结果至关重要。

Read: Does metabolic health protect you from high cholesterol?

钙化性主动脉瓣狭窄 (CAVS)

定义

钙化性主动脉瓣狭窄是一种钙沉积物逐渐使主动脉瓣变硬变窄,最终阻碍血液从心脏流出的疾病;Lp(a) 携带的氧化磷脂是潜在瓣膜炎症和钙化的主要驱动因素。

为什么这很重要

它解释了为什么一些胆固醇看似得到控制的人仍会患上严重的心瓣膜疾病并需要手术。

为什么载脂蛋白B(ApoB)很重要?

钙化

定义

钙化是指钙质沉积在斑块中,使其一部分变硬并骨化。.

为什么这很重要

这听起来很糟糕,高总量确实预示着大量的病变。但硬化本身在某种程度上是身体的修复工作——坚硬、稳定的斑块比柔软、油腻的斑块更不容易破裂。这就是为什么他汀类药物和剧烈运动都能让斑块看起来更趋于钙化,同时使其更安全。

阅读:运动不会消除动脉斑块——它会使其石化!

钙化悖论

定义

临床观察发现,同一患者往往同时存在低骨密度和动脉钙化——这并非由于矿物质物理性地从骨骼迁移到动脉,而是因为这两个过程共享生物学途径,包括 RANKL 信号传导、Wnt/β-catenin 活性和慢性炎症。

为什么这很重要

这一悖论是心血管专家和骨科专家需要相互考量对方治疗方案的生物学原因,也是骨质疏松药物可能影响动脉壁的原因。

阅读:牙龈疾病与心脏病

钙化晕影伪影

定义

一种 CT 成像伪影,由于探测器的限制,致密的钙化沉积物会扩散或“晕开”并超出其实际边界,遮挡相邻的软组织,从而无法评估紧邻钙化处的非钙化斑块。

为什么这很重要

文章引用了钙化晕影作为传统 CT 漏诊危险软斑块的关键原因,并解释了光子计数 CT 是如何解决这一问题的。

阅读:心脏病管理的未来

钙化积分

定义

钙化积分(冠状动脉钙化积分)是通过CT扫描得出的一项数值,用于量化冠状动脉内钙化斑块的总量;得分为零表示未检测到钙化斑块,而较高的得分则反映出更重的斑块负荷以及升高的心血管疾病风险。.

为什么这很重要

这是观察动脉中是否确实形成了斑块的最直接、最广泛使用的方法,超越了胆固醇检测所能揭示的信息。

Read: You Feel Fine – That’s the Problem

热量限制 (CR)

定义

在不导致营养不良的情况下,持续减少热量摄入,从而一致地降低生长信号、增强细胞自噬,并在多种生物中延长寿命;它被认为是实验生物学中最具可重复性的延寿干预措施之一。

为什么这很重要

热量限制是衡量大多数饮食长寿策略的基准干预措施,它为避免早年慢性暴饮暴食的建议提供了支持。

阅读:停止随着年龄增长而衰弱……新兴的抗衰老科学!

卡那单抗

定义

卡纳单抗是一种针对白介素-1β(一种关键的炎症信号蛋白)的单克隆抗体;它是CANTOS试验中的活性药物,在该试验中,它在不影响低密度脂蛋白胆固醇的情况下减少了心血管事件。.

为什么这很重要

即使没有降低胆固醇也表现出的心血管获益,是证明炎症本身就是心脏病治疗目标的里程碑式证据。

阅读:饮食与药物,或者结果与逆转,哪个更重要?

坎托斯

定义

CANTOS(Canakinumab抗炎血栓结局研究)是一项大型随机试验,旨在将阻断炎症信号IL-1β的药物卡那基珠单抗与安慰剂进行对比; 在预先设定的150毫克剂量下,该药物将主要心血管事件的发生率降低了约15%,且未降低低密度脂蛋白胆固醇水平,这直接证明了炎症是通过一条独立于……的途径引发心肌梗死的……

为什么这很重要

它证明了独立于胆固醇之外,仅针对炎症进行干预就能减少心脏病发作,这一发现改写了科学家对导致斑块破裂因素的认知。

阅读:饮食与药物,或者结果与逆转,哪个更重要?

CANTOS 试验

定义

CANTOS(卡那单抗抗炎血栓形成结果研究)试验是一项里程碑式的随机对照试验,旨在测试 IL-1β 抑制剂卡那单抗是否能降低心肌梗死后高敏 C 反应蛋白 (hs-CRP) 升高的极高危患者的心血管事件发生率;其阳性结果提供了第一个直接的临床证据,证明炎症是一个因果性的、可通过治疗调节的……

为什么这很重要

CANTOS 通过证明炎症不仅仅是一个旁观者,而是一个可治疗的目标,改变了心脏病专家对残余风险的看法。

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

毛细血管密度

定义

毛细血管密度是指每单位肌肉组织中微小血管的数量;经常进行耐力运动会增加毛细血管密度,从而改善向工作肌输送氧气和营养物质的能力,这是药物无法产生的适应性变化。.

为什么这很重要

较高的毛细血管密度是结构性健康的一部分,能确保肌肉和器官在衰老过程中获得充足的供应。

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

毛细血管稀疏化

定义

毛细血管稀疏是指骨骼肌中毛细血管密度随年龄增长而下降,这增加了氧气从血液输送到肌纤维的距离,并降低了运动期间氧气摄取的效率。.

为什么这很重要

它是即使在心脏本身保存完好的情况下,也会削弱老年运动员有氧能力的外周机制之一。

体质好如何掩盖心脏病发作

辛酸 (C8:0)

定义

一种 8 碳饱和脂肪酸,在椰子油中含量较少 (~7–9%),而在纯化的 MCT 油中浓度较高;它吸收迅速,直接通过门静脉运输,并在肝脏中氧化,研究中归因于 MCT 制剂的大部分产热和生酮作用都是由它引起的。

为什么这很重要

大多数赞扬 MCT 的代谢研究使用的是富含 C8:0 的油——而非椰子油——这使得这种区别对于评估椰子油的减肥主张至关重要。

椰子油作为健康食品的神话:行业如何左右你的饮食!

碳水化合物能量胶(能量胶)

定义

一种高浓度的、被快速吸收的半液体形式的单糖来源,在耐力运动之前或期间立即服用,以维持血糖并延缓糖原耗尽。

为什么这很重要

在进行最大有氧运动前的补给策略是一个实用的心血管营养课题,与进行体育锻炼的心脏病患者息息相关。

阅读:自行车手彼得·梅格达尔 (Peter Megdal) 寻求并克服艰难障碍

碳水化合物限制饮食 (CRD)

定义

碳水化合物限制饮食是一种显著限制碳水化合物摄入量的饮食模式——范围从严格的生酮饮食到更广泛的低碳水方法——这也是精瘦质量高反应者 (Lean Mass Hyper-Responder) 表型和相关的低密度脂蛋白 (LDL) 升高最常见的饮食背景。

为什么这很重要

了解这一术语有助于读者理解,为什么随着生酮饮食的流行,关于低密度脂蛋白 (LDL) 的争论变得愈加激烈。

阅读:胆固醇大谎言(第二部分)

冠状动脉风险发展至成年研究

定义

CARDIA 研究了一直追踪年轻人从二十多岁到晚年的身体情况,包括他们的体能、胆固醇、血压以及最终的健康结局。.

为什么这很重要

因为这项研究开始得非常早,它捕捉到了斑块无声形成的那些年。它提供了大量证据,表明你二十多岁时的风险因素决定了你五十多岁时的动脉状况。

体质好如何掩盖心脏病发作

心脏骤停

定义

心脏骤停是指心脏突然停止跳动,患者随之倒地,几秒钟内停止正常呼吸并失去意识。.

为什么这很重要

它与心脏病发作不同。心脏病发作是“水管”问题——血流受阻。心脏骤停是“电路”问题——心脏节律崩溃。心脏病发作可以引发心脏骤停,但其他因素也可以。如果没有心肺复苏 (CPR) 和除颤器,生存率会迅速下降。

如何避免英年早逝

心血管事件

定义

心血管试验中用作结果终点的临床显著心脏相关事件——包括心肌梗死、不稳定型心绞痛和心脏性死亡。.

为什么这很重要

临床试验最终是根据它们是否减少了心血管事件来评判的,而不仅仅是根据影像学或血液测试的变化。

阅读:饮食真的能逆转心脏病吗?

心肌缺血

定义

一种由于流向心肌的血流不足以满足其氧气需求而导致的状态,通常由冠状动脉变窄引起;它可能导致胸痛(心绞痛)、运动能力下降,或者如果情况严重,会导致心脏病发作。

为什么这很重要

缺血是连接动脉阻塞与本文通篇描述的症状和运动表现下降的潜在机制。

Read: How I Reversed My Heart Disease

心脏磁共振 (CMR)

定义

一种用于心脏的专用MRI技术,可表征心肌损伤的位置、模式和范围,帮助区分缺血性梗死与心肌炎或Takotsubo综合征(应激性心肌病)等非缺血性疾病。.

为什么这很重要

CMR 在 MINOCA(冠状动脉非阻塞性心肌梗死)的诊断检查中至关重要,因为它能揭示心肌受损的部位和方式,从而引导寻找潜在的机制。

隐匿性梗死:MINOCA机制、诊断与管理的深入研究验证

心脏康复

定义

在心脏事件(如心脏病发作)后进行的、有医疗监督的运动、教育和生活方式调整项目,旨在改善心血管功能并降低未来发作的风险。.

为什么这很重要

文章将心脏康复视为现实世界中最清晰的提示,即提高最大摄氧量 (VO₂ max) 可以因果性地降低死亡率。

阅读:最大摄氧量 (VO₂ max):健康与长寿的决定因素?

心肺功能康复

定义

疾病或损伤后心肺功能的可测量恢复,通过射血分数、最大摄氧量 (VO2 max) 和静息心率等指标进行评估;它构成了结构化心脏康复计划的生理基础。

为什么这很重要

量化心肺功能康复情况使临床医生和患者能够追踪生活方式和运动干预是否产生了真正的生物学益处。

阅读:永无止境的那一小时

心肺耐力

定义

心肺耐力是指在进行高强度运动时,你的心脏、肺部和肌肉协同工作以利用氧气的能力。它通常通过最大摄氧量(VO2 max)来衡量。.

为什么这很重要

它是预测寿命最强有力的指标之一——甚至比大多数实验室检测值都强。但身体极度健康并不能让你对斑块免疫,这是许多耐力运动员学到的沉重教训。

你的心脏比你更老吗?逆转心血管年龄的科学

心血管结局临床试验 (CVOT)

定义

心血管结局试验是一项大规模、长期的随机对照试验,专门用于衡量药物是否能减少重大心血管事件(如心脏病发作、中风或心血管死亡),而不仅仅是改善实验室指标或替代指标;监管机构在2008年后开始要求糖尿病药物进行此类试验。

为什么这很重要

心血管结局试验(CVOT)正是我们了解这些药物确实能预防心脏病发作,而不仅仅是降低血糖的原因——这一区别对于评估其在现实世界的益处至关重要。

阅读:Ozempic 和 Mounjaro:在体重减轻之前先保护您的心脏

颈动脉内膜中层厚度 (CIMT)

定义

颈动脉内膜中膜厚度是对颈部颈动脉壁内侧两层合并厚度的一种超声测量;较快的增厚速率表明动脉粥样硬化正在加速进展,它在 ELITE 等临床试验中被用作心血管风险的替代标志物。.

为什么这很重要

它是一个关键的替代终点,用于测试激素疗法是否能减缓动脉老化,而无需等待心脏病发作。

阅读:新型雌激素贴片能预防心脏病吗?真相解析

颈动脉内膜中层厚度 (CIMT) 进展

定义

颈动脉壁最内两层合并厚度随时间增加的速率,通过超声测量,在临床试验中用作动脉粥样硬化进展或消退的替代影像标志物。

为什么这很重要

许多同型半胱氨酸研究使用这一指标而不是计算心脏病发作次数,这对于解释 B 族维生素是否真的能减缓斑块发展至关重要。

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

CASCADE FH 登记系统

定义

CASCADE FH 登记系统是一个美国的患者登记系统,前瞻性地收集家族性高胆固醇血症患者的临床、基因和治疗数据;在纯合子型家族性高胆固醇血症(HoFH)研究中,它提供了比较儿童期与成年期诊断和治疗患者预后的关键证据。.

为什么这很重要

来自 CASCADE FH 注册研究的数据量化了早期诊断和治疗带来的生存益处,直接影响了当前的儿科筛查建议。

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

病例交叉研究

定义

病例交叉研究将一个人在急性事件(如心脏病发作)发生前一短时间内的暴露情况与其自身生活中较早的 '对照' 期间的暴露情况进行比较,使每个人都成为自己的对照。本文使用病例交叉数据报告称,在剧烈愤怒后的一小时内,心肌梗死的几率大约会翻倍。

为什么这很重要

这种设计正是 '愤怒触发心脏病发作' 这一发现比最初看起来更可信的原因——但它衡量的是急性触发因素,而非长期风险。

阅读:压力会致命吗?冥想能救命吗?

酪蛋白

定义

牛奶中的主要蛋白质,约占其总蛋白质含量的 80%;啮齿动物研究表明,高摄入量的酪蛋白会促进肿瘤生长,而低摄入量则会抑制肿瘤生长,这些发现极具影响力,但在推断至其他动物蛋白时也存在争议。

为什么这很重要

了解酪蛋白的具体作用有助于评估关于动物蛋白的癌症风险主张是广泛适用,还是仅适用于乳制品来源的蛋白质。

阅读:蛋白质辩论

儿茶酚胺敏感性多形性室性心动过速 (CPVT)

定义

儿茶酚胺敏感性多形性室性心动过速是一种遗传性离子通道病,其特征是心肌细胞中异常的钙处理导致危及生命的室性心律失常,通常由运动或情绪压力引起的人体儿茶酚胺激增触发,尸检时心脏结构正常。

为什么这很重要

CPVT 说明了运动如何通过生化机制而非机械机制直接致心律失常,且常规结构性筛查很容易漏诊该病。

如何避免英年早逝

3 级 (Cat 3) 骑手

定义

美国自行车协会(USA Cycling)的一种执照类别,代表中级业余公路车赛手,级别低于 1–2 级精英业余赛手和职业选手;用于基准化 Megdal 在孟菲斯训练时所面对的竞技水平。

为什么这很重要

了解该类别有助于读者衡量 Megdal 的训练环境相对于其年龄组比赛的强度要求。

阅读:Peter Megdal 在全国锦标赛中获得第二名

导管消融术

定义

一种由心脏病专家将一根细而柔韧的导管插入心脏,并利用能量(通常是射频热或冷冻疗法)来破坏引起异常电信号的小块组织的操作;这是房颤的主要介入治疗方法。.

为什么这很重要

本文重点关注运动员可以从消融术中获得什么,因此了解该手术的工作原理至关重要。

问答:房颤、耐力训练与消融术——运动员需要了解的知识

CAUGHT-CAD 试验

定义

CAUGHT-CAD 是一项 2025 年的随机试验,研究了具有早发性冠心病家族史的患者,并发现冠状动脉 CT 血管造影——而非单纯的标准钙化评分——对于检测非钙化斑块并指导及时的临床干预是必要的。

为什么这很重要

该试验被引用作为直接证据,证明标准钙化扫描对于具有强烈遗传心脏风险的人群来说是不够的。

阅读:终于提出了正确问题的心脏健康应用

因果关系

定义

因果关系意味着一件事实际上促使了另一件事发生。它不同于相关性,相关性仅意味着两件事倾向于同时出现。.

为什么这很重要

这种区别几乎贯穿于你阅读的每一条健康新闻。喝葡萄酒的人更健康——但葡萄酒并不是原因。从伴随因素中筛选出真正的成因是医学研究中的大部分工作。

半满的玻璃杯:为什么科学正向“有益心脏健康”的饮酒习惯挥手告别

小凹介导的跨细胞转运

定义

小凹介导的跨细胞转运是一个过程,LDL 和其他含 ApoB 的脂蛋白颗粒通过称为小凹(caveolae)的小型膜结合囊泡被运输跨过内皮细胞层进入动脉壁;包括 LDLR、SR-B1 和 ALK1 在内的受体参与了这一途径,且较高的血液 ApoB 浓度会以浓度依赖的方式增加颗粒进入的速度。

为什么这很重要

这一机制从分子水平解释了为什么极高的 ApoB 浓度会瓦解动脉的防御系统,并无论代谢健康状况如何都会推动斑块形成。

Read: Does metabolic health protect you from high cholesterol?

CCTA(冠状动脉 CT 血管造影)

定义

冠状动脉 CT 血管造影是一种非侵入性成像检查,利用 X 射线计算机断层扫描技术产生冠状动脉的详细图像,使医生无需插入导管即可检测和表征钙化及非钙化斑块。

为什么这很重要

它是本文中用于检测运动员体内描述的‘隐性’斑块积聚的关键成像工具。

阅读:耐力运动对动脉是有益还是有害?

细胞衰老

定义

细胞衰老是指受损细胞永久停止分裂但保持代谢活跃的状态,它们会分泌可促进局部组织损伤的炎性信号;在老化的动脉中,衰老细胞聚集在斑块部位,并促进低度慢性的血管炎症。.

为什么这很重要

衰老细胞是除简单的胆固醇暴露外,衰老增加心血管风险的关键机制之一。

Read: Heart disease accelerates as you age

CENIT 试验

定义

CENIT(冠心病与高强度间歇训练的效果)试验是一项针对60名稳定性冠状动脉疾病患者的随机研究,该研究采用血管内超声技术,旨在评估与标准治疗相比,在心率峰值的85–95%范围内进行为期6个月的监督式高强度间歇训练(HIIT),是否能改变斑块体积。 研究发现,HIIT可将动脉粥样硬化斑块体积百分比降低1.2%,并将总标准化……

为什么这很重要

它是少数显示运动可以缩小已服用心脏药物人群中可测量斑块的试验之一。

阅读:运动不会消除动脉斑块——它会使其石化!

中央总督理论

定义

一种疲劳模型,提出大脑会预判生理极限,并在身体真正达到衰竭之前减少肌肉征用,作为一种保护性的调节系统,而不是让肌肉达到真正的精疲力竭。

为什么这很重要

它将疲劳重新定义为一种可协商的大脑信号,而不是一堵固定的生理墙,这对运动员和心脏康复患者如何突破感知极限具有重要意义。

阅读:永无止境的那一小时

离心力(室内自行车馆坡度弯道中)

定义

车手在带坡度的赛道转弯时所感受到的向外的惯性力;在陡峭的坡道赛场上,车手承受的有效重力载荷可接近正常体重的两倍,从而施加额外的心血管和肌肉骨骼压力。

为什么这很重要

每一圈重复的高 G 力负荷会在持续的最大心输出量期间增加身体压力,这与任何应对心脏病的运动员都相关。

阅读:自行车手彼得·梅格达尔 (Peter Megdal) 寻求并克服艰难障碍

脑淀粉样血管病 (CAA)

定义

脑淀粉样血管病是一种淀粉样蛋白-β沉积在大脑小血管壁上的疾病,这会削弱血管,并诱发微出血和血流受损。.

为什么这很重要

CAA 展示了大脑中血管病理和淀粉样蛋白病理是如何直接重叠的,使得区分‘纯粹的’阿尔茨海默病与血管性痴呆变得更加复杂。

阿尔茨海默病其实始于你的动脉吗?

脑微出血

定义

脑组织中微小的含铁血黄素沉积,在磁敏感加权 MRI 序列上显示为暗斑,表明既往因小血管疾病引起过轻微出血;它们是独立于隐匿性脑梗死和白质高信号的发现。

为什么这很重要

本文将它们列为隐匿性脑血管疾病的三个不同标志物之一,而这些标志物经常被错误地(且频繁地)混为一谈。

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

脑小血管疾病 (CSVD)

定义

脑小血管病是指影响大脑小动脉、微动脉、毛细血管和小静脉的一系列病理变化,其驱动因素和临床表现与大动脉粥样硬化不同。它会导致白质病变、腔隙性梗死,并促进认知功能减退和血管性痴呆的发生。.

为什么这很重要

CSVD 说明动脉疾病并不局限于心脏——同样的风险因素会悄无声息地损伤大脑的微小血管,将心血管健康与认知健康联系在一起。

从子宫到逆转:消除一生的动脉损伤

脑血管疾病

定义

影响为大脑供血的血管的疾病,包括中风;在一项对元分析进行的综述中,被与心血管疾病并列提及,是素食和纯素饮食可以减少的后果。

为什么这很重要

表明植物基饮食的心血管益处不仅限于心脏,还包括脑部循环。

阅读:问答:你对红肉的热爱会有危险吗?

CERTAIN研究

定义

一项评估基于AI-QCT冠状动脉斑块分析对医生治疗决策影响的临床研究; 研究发现,基于AI的分析结果改变了57.1%患者的治疗方案,使他汀类药物的使用率提高了28.1%,阿司匹林的处方率提高了23%,并减少了37%的不必要的后续检查。.

为什么这很重要

它证明了人工智能成像能转化为患者护理的实质性变化,而不仅仅是更高清的图片。

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

胆固醇酯转移蛋白

定义

CETP 是一种在高密度脂蛋白(HDL)与有害的载脂蛋白 B(ApoB)颗粒之间交换胆固醇和甘油三酯的蛋白质。.

为什么这很重要

阻断它可以显著提高 HDL,因此制药公司投入了数十亿美元进行尝试。这些药物大多未能预防心脏病发作,其中一种甚至造成了伤害。这成为了最明确的证据,证明单纯提高 HDL 本身并不是一种治疗手段。

心血管保护的遗传架构

CETP 抑制剂

定义

一类旨在阻断胆固醇酯转移蛋白(一种将胆固醇从 HDL 穿梭至 LDL 颗粒的酶)的药物;ILLUMINATE 和 ACCELERATE 等临床试验表明,通过这种方式在药理上提高 HDL-C 并不能减少心血管事件,从而将该领域的研究重点从 HDL 的浓度转移到了其功能上。

为什么这很重要

它们的失败有助于推翻“仅仅提高‘好胆固醇’数值就能保护心脏”的假设。

接受过治疗的心房颤动大师级运动员(50岁以上)的心血管风险管理与训练调整:专家报告

CHA2DS2-VASc 评分

定义

一种用于评估心房颤动患者卒中风险的临床评分工具,根据年龄、性别、高血压、糖尿病、心力衰竭、既往卒中和血管疾病等危险因素赋予相应分值;评分达到或超过2分通常提示建议进行口服抗凝治疗。.

为什么这很重要

了解你的评分决定了你是否必须继续服用血液稀释剂——这一决定直接影响到哪些运动是安全可行的。

接受过治疗的心房颤动大师级运动员(50岁以上)的心血管风险管理与训练调整:专家报告

离子通道病

定义

通道病是一种遗传性心脏离子通道蛋白疾病,它会干扰控制心律的电信号,且在尸检时不会产生任何肉眼可见的结构异常;例如长QT综合征和儿茶酚胺敏感性多形性室性心动过速。.

为什么这很重要

离子通道病可能导致结构正常的心脏发生猝死,这使得那些仅检查物理异常的测试无法发现它们。

如何避免英年早逝

中国-康奈尔-牛津三 A 共研究计划

定义

一项于 20 世纪 80 年代开展的大型生态学研究,比较了中国农村县(饮食以植物为主)的饮食模式、生物标志物和疾病死亡率;报告称,与美国相比,中国农村地区的冠心病死亡率显著降低,血清胆固醇水平也大幅下降。

为什么这很重要

该项目是植物为主饮食与较低心血管死亡率之间关联的基础性参考,尽管其生态学设计限制了因果推论。

素食主义真的能延年益寿吗?这是一个谎言吗?

中国老年健康影响因素跟踪调查

定义

一项针对中国老年人和高龄老人的长期纵向研究,广泛用于研究 80 岁及以上人群(包括百岁老人)的存活情况、饮食和健康寿命。

为什么这很重要

这是文章观点的核心来源,即严格的素食模式可能与极高龄时达到 100 岁的概率较低有关。

素食主义真的能延年益寿吗?这是一个谎言吗?

CHIP(意义未明的克隆性造血)

定义

CHIP 是指骨髓干细胞中的突变使其后代具有生长优势,从而使一个人的血液细胞中有相当比例共享该突变;随着年龄增长,这种情况变得越来越普遍,并与冠心病风险增加约两倍有关,这可能是因为突变的免疫细胞在动脉壁中的表现更具攻击性。

为什么这很重要

CHIP 是一种未被充分认识的、与年龄相关的机制,它独立于胆固醇等传统风险因素而增加心脏病风险。

Read: Heart disease accelerates as you age

胆固醇外排能力

定义

胆固醇外流能力是一项实验室测试,用于衡量一个人的 HDL 实际从细胞中提取胆固醇的效果——这是一种对功能而非数量的测量。

为什么这很重要

它比 HDL 数值更能预测风险,这支持了 HDL 质量才是关键的观点。它目前仍是一项研究性测试,不能作为常规项目开具。

接受过治疗的心房颤动大师级运动员(50岁以上)的心血管风险管理与训练调整:专家报告

胆固醇酯转移蛋白

定义

完整条目请参阅 CETP。

Cholesterol Synthesis

定义

胆固醇合成是指人体自身合成胆固醇的过程,主要发生在肝脏中。几乎每个细胞都能进行这种合成。.

为什么这很重要

This is why cutting cholesterol out of your food does less than people expect — when you eat less, your body simply makes more. It is also why statins work: they slow the factory rather than blocking the food.

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

Cholesterol Treatment Trialists' (CTT) Collaboration

定义

A large-scale pooled analysis of randomized trials of LDL-lowering therapies that demonstrated each approximately 1 mmol/L reduction in LDL-C reduces major vascular events by just over one-fifth per year, with no evidence of a safe lower threshold, providing key quantitative support for treating elevated LDL-C.

为什么这很重要

It gives the specific numbers behind why LDL-raising from coconut oil is clinically relevant, not just a statistical abstraction.

椰子油作为健康食品的神话:行业如何左右你的饮食!

胆固醇年

定义

Cholesterol-years is a cumulative-exposure metric that multiplies a person's average LDL-C level (in mg/dL) by the number of years they have carried that level, analogous to pack-years for tobacco. The concept holds that it is the total lifetime burden of apoB-containing lipoproteins, not any single reading, that determines when and how severely atherosclerosis develops.

为什么这很重要

Understanding cumulative exposure explains why modest LDL levels sustained for decades can be more dangerous than high levels for a short period—and why early treatment matters far more than late treatment.

从子宫到逆转:消除一生的动脉损伤

Cholesteryl Ester

定义

胆固醇酯是胆固醇的储存形式,其中脂肪酸与胆固醇相连;它们在泡沫细胞内和斑块的细胞外空间大量积累,而它们的减少——以富脂核心的消退来衡量——是灵长类动物斑块消退研究中斑块改善的主要标志。.

为什么这很重要

Understanding what actually clears during reversal (cholesteryl ester pools, not fibrous or calcified tissue) sets realistic expectations for what treatment can achieve.

Read: Can heart disease be reversed?

Chondroitin Sulfate

定义

硫酸软骨素是一种带负电荷的糖胺聚糖链,连接在动脉蛋白聚糖(如双糖链蛋白聚糖和多配体蛋白聚糖)上;它通过离子键结合LDL颗粒上带正电荷的ApoB-100蛋白,将其锚定在内膜下间隙并启动动脉粥样硬化过程。.

为什么这很重要

It is the molecular 'Velcro' that traps LDL in artery walls—a key reason why the arterial wall is not a passive bystander in heart disease.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

Chronic Metabolic Acidosis

定义

A sustained reduction in blood pH caused by an excess of acid-producing foods relative to base-producing foods; high animal-protein diets have been proposed to cause this state and thereby leach calcium from bones, though modern evidence does not support this mechanism when overall mineral intake is adequate.

为什么这很重要

This claim has been used to argue that high-protein diets harm bone health—knowing the evidence helps you weigh that concern.

阅读:蛋白质辩论

Chunking (Cognitive)

定义

A psychological strategy of breaking a large, overwhelming task into smaller, manageable units to reduce perceived difficulty and sustain motivation; used in cardiac rehabilitation and endurance sport to help patients and athletes continue through prolonged discomfort.

为什么这很重要

It provides a practical mental framework for managing pain and effort during extended physical or medical challenges.

阅读:永无止境的那一小时

Circumferential Wall Stress

定义

Circumferential wall stress is the tensile force acting around the circumference of an artery due to internal blood pressure; it rises with higher pressure and greater arterial diameter, and repeated extreme elevations during intense exercise may contribute to structural changes in the arterial wall.

为什么这很重要

The article identifies exercise-driven surges in this force—reaching up to 250 mmHg—as a potential driver of the mechanical remodeling that may facilitate atherogenesis in endurance athletes.

阅读:耐力运动对动脉是有益还是有害?

旋支动脉

定义

左冠状动脉的两个主要分支之一,绕过心脏背面,为左心室侧壁和后壁供血;Megdal 系列血管造影显示,回旋支从 2014 年的轻度至中度狭窄(30–45%)改善至 2018 年的通畅度提高到 20% 以下,为弥漫性系统性消退提供了证据。

为什么这很重要

回旋支与前降支(LAD)的同时改善表明,愈合并不局限于一根动脉,这增强了真实系统性效应的论据。

阅读:冠状动脉疾病消退的专家血管造影评估:Megdal 序列血管造影 (2014–2018)

CK(肌酸激酶)

定义

肌酸激酶是从受损肌肉细胞释放到血液中的一种酶;血液 CK 水平显著升高用于确认肌肉损伤是真实的且由药物引起,而非纯粹基于症状。

为什么这很重要

CK 检测是帮助医生确定患者的肌肉疼痛是由他汀类药物引起还是由其他原因引起的首选血液检测。

我应该服用降胆固醇药吗?当然应该。.

CLEAR Outcomes

定义

CLEAR Outcomes 是一项大型试验,在不能耐受他汀类药物的人群中测试了贝培多酸,以观察它是否能像他汀类药物一样降低心脏病发作和中风的风险。

为什么这很重要

确实如此——在几乎没有其他选择的人群中,事件发生率随着低密度脂蛋白(LDL)和载脂蛋白 B(ApoB)的下降而同步下降。这是推荐贝培多酸而非仅有一种没有预防事件证明的降胆固醇药物背后的主要结局证据。

我应该服用降胆固醇药吗?当然应该。.

临床附着丧失 (CAL)

定义

累积性牙周破坏的标准临床测量方法,量化牙龈组织与牙齿之间的附着从正常位置退缩了多少;它是诊断和分期牙周炎的参考指标。

为什么这很重要

它将真正的牙周炎(一种与心血管风险一致相关的形式)与可逆的牙龈炎区分开来。

阅读:牙龈疾病与心脏病

临床试验

定义

临床试验是一项研究,其中研究人员给一组受试者提供某种治疗,给另一组受试者提供安慰剂或标准护理,然后对比结果。.

为什么这很重要

随机分配是寻找某事物是否真正有效最可靠的方法。观察性研究只能观察人们已经在做的事情,这为其他解释留下了空间。

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

CMAH 基因

定义

该基因编码 CMP-N-乙酰神经氨酸羟化酶,该酶在大多数哺乳动物中将 Neu5Ac 转化为 Neu5Gc;人类携带该基因的失活突变,因此无法合成 Neu5Gc。

为什么这很重要

了解人类为何对饮食中的 Neu5Gc 具有独特的易感性,需要知道单一基因突变使我们区别于其他哺乳动物。

阅读:问答:你对红肉的热爱会有危险吗?

Cmah⁻/⁻ Ldlr⁻/⁻ 小鼠模型

定义

一种基因工程小鼠,既缺乏 CMAH 基因(使其像人类一样无法产生 Neu5Gc),又缺乏 LDL 受体基因(使其容易产生高胆固醇和动脉粥样硬化);用于研究饮食中的 Neu5Gc 和抗 Neu5Gc 抗体如何影响斑块形成。

为什么这很重要

这是提供 Neu5Gc 可能加速动脉粥样硬化机制证据的关键实验模型,因此了解它是什么有助于评估该证据的强度。

阅读:问答:你对红肉的热爱会有危险吗?

风阻面积系数 (CdA)

定义

骑行者空气动力学阻力的综合测量指标,计算为阻力系数与迎风面积的乘积;较低的 CdA 意味着更小的空气阻力,在相同的功率输出下速度更快。

为什么这很重要

在一小时挑战赛中,气动效率与原始功率同样重要——即使是 CdA 的微小降低也能转化为显著的距离增益。

精英老将自行车手的生理优化与寿命表现建模

失眠认知行为疗法 (CBT-I)

定义

一种针对慢性失眠的有条理的、基于证据的心理治疗,针对导致长期睡眠不良的思想和行为;它被推荐为优于药物的首选治疗方案,并且在治疗结束后仍能保持效果。

为什么这很重要

它在短期内的效果与安眠药相当,且没有跌倒、骨折和意识模糊的风险,而这些风险使得大多数睡眠药物对老年人来说非常危险。

阅读:睡眠与您的心脏

队列(临床队列)

定义

一组在相似条件下随访一段时间的特定患者;例如,Esselstyn 的队列由同意遵循严格植物性饮食的晚期冠状动脉疾病患者组成。

为什么这很重要

了解什么是队列有助于读者理解为什么选定群体的结果可能或可能无法推广到更广泛的人群。

阅读:饮食真的能逆转心脏病吗?

秋水仙碱

定义

秋水仙碱是一种历史悠久且价格低廉的抗炎药,几个世纪以来一直用于治疗痛风,现在又被重新用于治疗心脏病。.

为什么这很重要

对于那些尽管胆固醇控制良好但仍不断发生事件的人,它可以减少事件的发生。这是迄今为止最切实的证据,证明直接治疗炎症具有额外益处。

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

COLCOT 试验

定义

COLCOT(秋水仙碱心血管结局试验)是一项随机试验,在心脏病发作后不久给予患者低剂量秋水仙碱(一种抗炎药);与安慰剂相比,它将随后发生重大心血管事件的风险降低了 23%,从而确立了独立于胆固醇之外针对炎症进行治疗可降低心血管风险。

为什么这很重要

它是证明抗击炎症(而不仅仅是降低胆固醇)可以预防心脏病发作的试验之一。

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

胶原蛋白交联

定义

动脉壁内的胶原纤维在相邻分子之间形成稳定的化学键,从而降低组织弹性并导致动脉不可逆变硬的生化过程;久坐不动的生活方式和年龄增长会加速这一过程。.

为什么这很重要

这一过程解释了为什么逆转动脉僵硬度的窗口期在大约 65 岁后就会关闭,从而产生了中年干预的紧迫性。

你的心脏比你更老吗?逆转心血管年龄的科学

侧支循环

定义

侧支循环是一个由小型备用血管组成的网络,可以在阻塞的动脉周围生长,就像封闭道路周围的绕行路线一样。.

为什么这很重要

建立良好侧支循环的人有时能在原本可能是毁灭性的阻塞中幸存下来。长期运动似乎能促进侧支循环的形成,这可能是一些身体素质很好的人即使患有严重疾病也没有症状的原因之一。

体质好如何掩盖心脏病发作

侧支血流指数 (CFI)

定义

侧支血流指数是在冠状动脉球囊封堵期间获得的一种侵入性测量指标,用于量化侧支血管提供的正常前向血流比例。它在研究中用于客观评估心脏的备用循环对阻塞的补偿程度。

为什么这很重要

它为“备用管道”实际提供的保护程度提供了一个具体数值,而使用 CFI 的研究已经显示了运动诱导的侧支循环增长的益处及其严格限制。

运动如何阻断疼痛:运动员心脏的致命秘密

代偿性扩大

定义

Glagov 描述的代偿性扩大是随着斑块在动脉内部积聚,动脉壁向外扩张,使得尽管存在严重的隐性疾病,血流通道仍能保持相对开放;在现代 CT 成像中,这种正性重构被认为是一种高风险斑块特征,与富含脂质、具有潜在易损性的斑块有关,而不是健康的证据……

为什么这很重要

它解释了为什么一个人可能患有严重的动脉粥样硬化,但血管造影看起来却几乎正常——疾病隐藏在血管壁内,而不是通道内。

阅读:饮食与药物,或者结果与逆转,哪个更重要?

代偿性外向重构

定义

当斑块在血管壁内积聚时,动脉扩大其外径以保持管腔血流的过程;管腔狭窄通常会延迟到斑块占据内弹性膜面积的大约 40% 时才出现,这使得早期疾病在以管腔为重点的成像中不可见。

为什么这很重要

它解释了为什么标准成像甚至在血管壁内已经存在大量斑块时仍会报告动脉“正常”。

阅读:低密度脂蛋白“坏”胆固醇:载脂蛋白 B、成像分辨率以及 60 岁时“正常”冠状动脉的幻象

复合终点

定义

复合终点将几种不同的结局捆绑在一起,并计算其中首先发生的一个。.

为什么这很重要

捆绑式终点使试验规模更小、速度更快。但也可能产生误导,因为主要的风险降低可能完全是由最不严重的组成部分驱动的——例如,避免了更多的手术,而不是减少了死亡。

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

成分稳定性

定义

Compositional stabilization refers to a shift in plaque biology away from a lipid-rich, inflamed, rupture-prone state toward a denser, less active state, achieved through ApoB lowering or anti-inflammatory treatment; it reduces the likelihood of a plaque triggering an acute coronary event without necessarily shrinking the total plaque volume visible on imaging.

为什么这很重要

It reframes the goal of treatment from 'making plaque disappear' to 'making plaque less dangerous.'

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

Compound Heterozygous

定义

复合杂合是指一种遗传状态,即个体在同一个基因中遗传了两个不同的致病突变——分别来自父母双方——而不是两个相同的突变拷贝;在纯合子型家族性高胆固醇血症(HoFH)中,由两个不同的低密度脂蛋白受体(LDLR)突变构成的复合杂合状态同样会废除或严重损害低密度脂蛋白受体的功能,并产生完全的HoFH表型。.

为什么这很重要

Most HoFH patients are compound heterozygotes rather than true homozygotes, which affects genetic testing strategies and family screening.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

Concentration-Time Exposure

定义

在动脉粥样硬化的背景下,浓度-时间暴露(concentration-time exposure)是指动脉壁随时间推移所经历的含载脂蛋白 B(ApoB)颗粒的累积剂量——即颗粒水平的高低与水平升高年数的乘积——而不是指单一时间点的快照测量。.

为什么这很重要

It explains why a person's lifetime cholesterol history matters far more than one test result, and why starting lipid lowering early has such a large long-term benefit.

阅读:饮食与药物,或者结果与逆转,哪个更重要?

CONFIRM Registry

定义

A large international multicenter registry study of patients undergoing coronary CT angiography that documented the prevalence and clinical significance of coronary artery disease — including adverse events — even among patients whose coronary artery calcium score was zero.

为什么这很重要

The CONFIRM data underpin the warning that a zero calcium score can still coexist with dangerous plaque, a finding directly relevant to people with inherited cardiac risk.

双倍剂量:你的家谱是生物危险品吗?这里有拯救生命的信息

CONFIRM2 登记处

定义

一项包含6,000多名患者的大型跨国登记研究,评估了人工智能定量冠状动脉斑块特征预测主要不良心血管事件的能力;该研究显示,与标准方法相比,人工智能衍生的斑块分析将事件预测的ROC曲线下面积从0.62提高到了0.75。.

为什么这很重要

CONFIRM2 is the primary evidence the article cites that AI-QCT measurably improves risk prediction beyond existing tools.

阅读:心脏病管理的未来

Confounder

定义

混杂因素是一种与所研究的暴露因素(如TMAO)和结局(如心脏病)都相关的变量,它使得两个变量看起来互为因果,而实际上是由第三个因素在起作用。文章将肾功能、胰岛素抵抗、全身性炎症和年龄列为主要的混杂因素,这些因素夸大了高TMAO在……中的表观心血管风险。

为什么这很重要

Confounding is the central methodological problem that explains why the TMAO-heart disease link looks stronger in some studies than the genetic evidence supports.

红肉正在通过你的肠道杀死你吗?关于TMAO的大骗局

Conjugated Equine Estrogens (CEE)

定义

结合型雌激素是一种来源于马尿的雌激素化合物混合物,以口服药丸形式服用;它们是妇女健康倡议(WHI)试验中使用的雌激素形式,与生物同质性雌二醇不同,它们会经历肝脏首过代谢并升高凝血因子。.

为什么这很重要

Distinguishing CEE from modern bioidentical estradiol patches is essential for interpreting the WHI results correctly.

阅读:新型雌激素贴片能预防心脏病吗?真相解析

Constrictive Remodeling

定义

外弹力膜的矛盾性收缩,可伴随斑块消退发生,导致血管壁向内收缩而非向外扩张;其结果是,即使总斑块体积下降,管腔大小仍保持不变甚至减小。.

为什么这很重要

It explains why successful plaque-shrinking therapy does not always widen the artery or relieve symptoms, a counterintuitive finding patients and clinicians need to understand.

Read: Reversal of Coronary Atherosclerosis: Mechanistic Insights from Human and Primate Studies

Convective Cooling

定义

The removal of body heat by the movement of air or fluid across the skin; at altitude the lower air density reduces convective heat loss, raising core temperature and impairing muscle efficiency during exercise.

为什么这很重要

Reduced convective cooling at altitude or in hot environments accelerates fatigue and directly limits cardiovascular performance.

阅读:永无止境的那一小时

Convolutional Neural Network (CNN)

定义

A class of deep-learning architecture designed to detect spatial patterns in image data; in AI-QCT, CNNs are trained on large coronary CT datasets with invasive validation to recognize and classify plaque components automatically.

为什么这很重要

CNNs are the computational engine that allows AI-QCT to outperform human readers in identifying high-risk plaque.

阅读:心脏病管理的未来

库珀中心纵向研究

定义

A long-running prospective observational study based at the Cooper Clinic in Dallas that has followed a large cohort of patients over decades and contributed foundational data on the association between family history and coronary heart disease death in men.

为什么这很重要

Research from this study is part of the evidence base showing that a family history of cardiac death predicts long-term coronary risk independently of other standard risk factors.

双倍剂量:你的家谱是生物危险品吗?这里有拯救生命的信息

哥本哈根婴儿心脏研究

定义

一项大型丹麦队列研究,分析了 13,000 多份脐带血样本中的脂质和脂蛋白浓度,并进行了纵向随访,为从出生到生命最初 14–16 个月的胆固醇轨迹提供了规范参考数据。

为什么这很重要

它证实了婴儿达到接近成人水平的 LDL-C 和 ApoB 的时间远早于预期——重新界定了心血管风险实际开始的时间。

阅读:婴儿需要服用他汀类药物吗?

哥本哈根一般人群研究

定义

一项规模非常庞大的丹麦研究,对数万人的脂质(包括脂蛋白(a)和残余胆固醇)进行了测量,并对其健康状况进行了多年的追踪。.

为什么这很重要

丹麦的国家健康记录使随访异常完整。我们关于残余胆固醇和 Lp(a) 作为独立风险因素的大部分了解都来自这一数据集。

载脂蛋白B:更长、更高、更糟

COPII 囊泡

定义

从内质网出芽的微小膜结合运输载体(直径通常为 60–80 纳米),用于将新合成的蛋白质运送到高尔基体;由于其尺寸有限,前胶原等大分子需要 TANGO1 等特殊机制才能离开内质网。

为什么这很重要

了解 COPII 的尺寸限制解释了为什么 MIA3/TANGO1 通路对于胶原蛋白分泌和斑块稳定性至关重要。

阅读:基因彩票:为什么你不能指望自己“刀枪不入”

CoQ10(辅酶 Q10)

定义

CoQ10 是细胞在粒线体中产生能量所使用的一种化合物。他汀类药物会略微减少其产生,因为它与胆固醇共享一条制造路径。

为什么这很重要

这是一个流行但证据不足的说法的基础,即他汀类药物通过消耗 CoQ10 导致疲劳和肌肉疼痛——尽管试验尚未表明补充 CoQ10 实际上能预防他汀类药物症状,但这一理论仍被补充剂营销人员大力推销。

我应该服用降胆固醇药吗?当然应该。.

CORDIOPREV 试验

定义

CORDIOPREV 是一项随机对照试验,旨在比较地中海饮食与适度低脂饮食(脂肪提供的热量约占总热量的 28–30%)对确诊冠状动脉疾病患者的疗效;该研究证实了地中海饮食相较于对照饮食的优越性,但并未测试超低脂(

为什么这很重要

它是针对现有心脏病患者地中海饮食的主要二级随机对照试验 (RCT),其范围局限性对于理解证据能显示和不能显示的内容非常重要。

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

冠状动脉旁路移植术

定义

冠状动脉旁路移植术(CABG)是一种心脏直刀手术,外科医生利用从身体其他部位(通常是腿部静脉或胸壁动脉)获取的血管,在阻塞的冠状动脉周围开辟一条血流的新路径。.

为什么这很重要

了解 CABG 有助于患者理解为什么有时建议手术而不是支架置入,特别是当多条动脉严重病变时。

治疗生物学而非管道:心脏病学激进的新方法

冠状动脉钙化

定义

冠状动脉钙化是衡量冠状动脉壁上钙化斑块沉积的一项指标,通过CT扫描进行量化并以阿加特森分数(Agatston score)表示;分数越高,表明累计斑块负荷越大,并能预测未来的心血管事件。.

为什么这很重要

文中讨论的研究使用 CAC 作为主要指标,显示终身耐力运动员的斑块负担可能出人意料地高。

阅读:耐力运动对动脉是有益还是有害?

冠状动脉钙化 (CAC) 评分

定义

一项无需造影剂、心电图门控的CT扫描,用于检测和量化冠状动脉内的钙化斑块;由此产生的阿加特森评分(Agatston score)反映了冠状动脉钙化的程度,并作为动脉粥样硬化负荷的直接、基于疾病的测量指标,而非风险的统计学估计。.

为什么这很重要

了解该评分实际测量的指标以及它可能遗漏的内容,对于解读您自己或看起来健康的健身患者的结果至关重要。

阅读:冠状动脉钙化与运动风险

冠状动脉钙化积分

定义

冠状动脉钙化评分(CAC 评分)来自快速 CT 扫描,用于测量心脏动脉中硬化斑块的数量。无需造影剂,无需打针,大约耗时十分钟。

为什么这很重要

对于大多数中年人来说,零分确实令人安心。高分意味着存在真正的疾病,即使您感觉完全正常。它是少数几个能让您看到疾病而非仅仅估计几率的测试之一。

医生没有为你开具的心脏检查

冠状动脉扩张

定义

冠状动脉段异常的病理性扩张,超过相邻正常段直径的 1.5 倍;文章明确排除将其作为 Megdal 血管造影中观察到的血管扩宽的解释,确认这种扩大反映的是真实的逆转,而非与疾病相关的过度扩张。

为什么这很重要

区分健康的逆转与扩张可确保 2018 年影像中看到的“更宽的管道”是好消息,而不是另一个问题。

阅读:冠状动脉疾病消退的专家血管造影评估:Megdal 序列血管造影 (2014–2018)

冠状动脉狭窄

定义

冠状动脉管腔变窄,通常由动脉粥样硬化斑块引起,导致流向心肌的血流量减少;以原血管直径的百分比来衡量。.

为什么这很重要

狭窄是生活方式试验旨在减少的结构异常,因此了解这个术语有助于读者解读有关“逆转”的说法。

阅读:饮食真的能逆转心脏病吗?

冠状动脉粥样硬化逆转

定义

经影像学确认的冠状动脉内动脉粥样硬化斑块大小或严重程度的可衡量减少;Ornish生活方式心脏研究(Ornish Lifestyle Heart Trial)证明,在进行一年的低脂植物性饮食后斑块出现逆转,并在五年后进一步改善。

为什么这很重要

逆转——而不仅仅是减缓进展——是区分最有效心血管干预措施的金标准结果。

营养学大辩论:原始人饮食法/生酮饮食/旧石器饮食与全食物植物性饮食对长寿和心脏病影响的循证现实

冠状动脉钙化评分

定义

一种通过非增强CT扫描量化冠状动脉中钙化斑块的方法,其结果以Agatston评分表示;评分为零表示近期风险极低,而评分越高则代表斑块负荷越重。本文将其定位为一种在决定是否开始预防性药物治疗确实存在不确定性时的裁决手段,而非检测过去无症状事件的方法……

为什么这很重要

它是主流指南在选定的无症状个体中唯一接受的筛查工具,这使其有别于更广泛的针对无声损害的影像学排查。

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

冠心病监护病房 (CCU)

定义

冠心病监护病房是医院的一种专业病房,在那里可以对心脏病发作患者进行持续监测,以防出现危险的心律失常,并在发生时立即进行电除颤。它于 20 世纪 60 年代初引入,是现代药物出现之前提高急性心脏病发作存活率的最重大举措。

为什么这很重要

CCU 证明,是持续监测和快速除颤——而非药物或手术——推动了心脏病发作存活率的首次重大飞跃。

心血管疾病史

冠状动脉CT血管造影

定义

冠状动脉 CT 血管造影(简称 CCTA)是一种通过在静脉中注入造影剂进行的 CT 扫描,可生成心脏动脉的详细图像。

为什么这很重要

与钙化扫描不同,它可以观察到软斑块和硬斑块;与侵入性血管造影不同,它无需插管。它既能显示动脉的狭窄程度,也能显示斑块的成分。

Read: You Feel Fine – That’s the Problem

冠心病

定义

冠心病是因动脉粥样硬化斑块积聚导致为心肌供血的动脉狭窄或阻塞,它是全球心脏病发作和心脏性死亡的主要原因。.

为什么这很重要

这是整篇文章所围绕的潜在疾病,了解其正式名称有助于读者理解医学来源和统计数据。

Read: You Feel Fine – That’s the Problem

冠状动脉影像

定义

无创或有创技术——例如定量冠状动脉造影术或血管内超声——用于显示冠状动脉内斑块的大小和特征;Ornish和Esselstyn的工作值得注意之处在于,他们使用的是客观的冠状动脉成像,而不是仅仅依赖症状或事件数据。.

为什么这很重要

影像学证实的动脉粥样硬化逆转比单纯的事件计数具有更直接的机制意义,这也是本文强调它的原因。

生酮饮食 vs. 全食植物性饮食:关于运动表现、胰岛素敏感性、逆转心脏病和长寿的硬核证据是什么?

冠状动脉微循环障碍 (CMD)

定义

冠状微血管功能障碍是指为心肌供血的微小微动脉和毛细血管功能受损,导致血流量减少和运动耐量下降,即使在血管造影显示主要冠状动脉正常时也是如此。.

为什么这很重要

CMD 会导致症状并限制大动脉检查结果正常的年长运动员的表现,使其成为容易被忽视的运动耐受不良的原因。

体质好如何掩盖心脏病发作

冠状动脉血栓形成

定义

冠状动脉血栓形成是冠状动脉内血栓的形成,它会阻断流向心肌的血液,这是大多数心脏病发作的根本原因。它于1912年首次被描述为活体患者中可识别的临床综合征。.

为什么这很重要

了解触发急性事件的是血栓而不仅仅是病变动脉,这解释了为什么溶栓药物和抗血小板疗法成为心脏病发作治疗的核心。

心血管疾病史

冠状动脉痉挛

定义

心外膜冠状动脉突然、剧烈、短暂的收缩,严重到足以阻断血流并引起心肌缺血或梗死,通常在进行血管造影前消退,从而留下外观正常的血管。.

为什么这很重要

血管痉挛是 MINOCA(冠状动脉非阻塞性心肌梗死)的关键“隐形”原因之一——它会导致真实的心脏损伤,但在标准检测中却不会留下持久的阻塞。

隐匿性梗死:MINOCA机制、诊断与管理的深入研究验证

皮质醇觉醒反应

定义

皮质醇觉醒反应 (CAR) 是指清醒后 30–45 分钟内皮质醇正常出现的急剧上升,用于衡量 HPA 轴的功能状况。文章指出,在 Whitehall II 研究中,CAR 并不能预测心血管死亡率,而较平缓的皮质醇昼夜节律曲线却可以。

为什么这很重要

了解哪些皮质醇模式确实重要——以及哪些不重要——有助于你评估有关压力激素与心脏风险的说法。

阅读:压力会致命吗?冥想能救命吗?

COURAGE 临床试验

定义

采用血运重建与积极药物治疗临床结果试验将2,287名稳定性冠心病患者随机分配至经皮冠状动脉介入治疗加最佳药物治疗组或单纯药物治疗组,在长达15年的随访中发现,两组在死亡率或心肌梗死率方面没有显着差异。.

为什么这很重要

这是一项具有里程碑意义的研究,表明对于大多数稳定型心脏病患者而言,支架并不能比单纯依靠药物和生活方式改变活得更久。

治疗生物学而非管道:心脏病学激进的新方法

隐匿性脑梗死

定义

MRI 或 CT 上可见的脑梗死,且发生时没有先前诊断出的临床中风;这是 AHA/ASA 科学声明中的首选术语,该声明更倾向于使用“隐匿性”(covert)而非“静默性”(silent),以承认可能发生过某些症状但未归因。它与白质高信号和脑微出血不同。

为什么这很重要

隐匿性脑梗死出现在大约 10–20% 的社区居住老年人中,并且会使未来发生临床中风和痴呆的风险大约增加一倍。

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

COVID-19(SARS-CoV-2 感染)与运动能力

定义

COVID-19 感染与心肺健康、最大摄氧量 (VO₂ max) 和肌肉耐力的暂时下降有关;即使在急性期症状消失后,残留的疲劳和有氧能力下降仍可能持续数周,如果过早恢复高强度运动,则会带来风险。

为什么这很重要

COVID-19 康复后恢复剧烈运动具有特定的心血管风险,包括心肌炎,这对于关注心脏健康的读者来说非常重要。

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

COX-1(环氧化酶-1)

定义

COX-1 是一种存在于血小板中的酶,它产生血栓素 A₂,这是一种促进血小板聚集和血管收缩的化学物质;阿司匹林通过化学修饰该酶中的特定位点 (Ser-530) 来永久阻断 COX-1,这是阿司匹林抗血小板作用的分子基础。

为什么这很重要

了解 COX-1 的作用可以阐明阿司匹林预防血栓的具体原理,以及为什么抑制它既带来益处又伴随出血风险。

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

CPAP(持续正压通气)

定义

一种通过面罩输送压力空气,在睡眠期间保持上呼吸道开放,防止出现定义为阻塞性睡眠呼吸暂停 (OSA) 的呼吸道塌陷的设备;它是中重度 OSA 的一线治疗方法。

为什么这很重要

CPAP 能可靠地改善血压和日间嗜睡,但在随机对照试验中并未减少心脏病发作或中风,因此设定现实的预期非常重要。

阅读:睡眠与您的心脏

抽筋(运动相关肌肉痉挛)

定义

一种在长时间极限运动中可能发生的非自愿、疼痛的肌肉收缩,通常与疲劳和电解质变化有关;在文章中,Megdal 在他长达一小时的极限努力的最后几分钟开始出现抽筋。

为什么这很重要

在接近运动极限时发生的肌肉抽筋是生理压力的信号,这与任何在运动中挑战心血管极限的人都息息相关。

阅读:Peter Megdal 接受《Dedham Times》采访

肌酸激酶 (CK)

定义

一种在肌肉细胞受损时释放到血液中的酶;CK 水平升高被用作骨骼肌损伤的生物标志物,而使用他汀类药物——特别是在剧烈运动期间——会导致 CK 升高的程度超过单纯由训练引起的升高。

为什么这很重要

用于区分运动员中他汀类药物相关的肌肉损伤与正常的运动诱发酸痛的关键实验室标志物。

阅读:《运动员的胆固醇:如何在不影响竞技状态的情况下降低低密度脂蛋白(LDL)》(他汀类药物实用指南)

CREDENCE 试验

定义

一项涉及 513 名患者的前瞻性试验,比较了 AI 辅助的 CCTA 分析与侵入性定量冠状动脉造影及血流储备分数,证明了高度一致性,并支持 AI-QCT 作为导管辅助缺血评估的可行非侵入性替代方案。

为什么这很重要

CREDENCE 直接验证了 AI 扫描可以替代昂贵的侵入性手术,用于判断血管阻塞是否限制血流。

阅读:心脏病管理的未来

CRISPR碱基编辑

定义

一种精准基因编辑技术,可在不切断双链的情况下,将基因组中的单个 DNA 碱基(字母)化学转化为另一个碱基,从而实现对基因功能的永久和靶向改变;在心血管研究中,它已被用于灵长类动物,以永久沉默肝细胞中的 PCSK9 基因,通过单次治疗产生持久的 LDL 降低。

为什么这很重要

碱基编辑是“一劳永逸”基因治疗方法背后的机制,该方法最终可能消除对任何持续胆固醇药物的需求。

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

绕圈赛

定义

一种在简短封闭赛道(通常是城市街区或类似的环形路线)上进行的集体出发自行车公路赛,需要反复进行急转弯,这使得碰撞风险远高于开放道路赛事。

为什么这很重要

理解这种赛制就能明白,为什么在绕圈赛(criterium)中安全完赛本身就是一项成就,而不仅仅是取得好名次。

阅读:Peter Megdal 在全国锦标赛中获得第二名

批判性思维

定义

在健康素养领域,指在将医学主张视为事实之前,对其来源、资金支持和研究方法提出质疑的严谨习惯。

为什么这很重要

如果没有它,患者很容易受到相互矛盾的头条新闻和商业驱动的健康建议的影响。

阅读:Peter Megdal 在 The Lynchpin 播客上的访谈

CT 血管造影(冠状动脉 CTA)

定义

一种非侵入性成像检查,通过静脉注射造影剂进行 CT 扫描,生成冠状动脉的详细三维图像,揭示钙化和非钙化(软)斑块以及管腔狭窄;它比单纯的钙化分数提供更多信息。

为什么这很重要

文章特别推荐 CT 血管造影而非钙化分数,因为它能检测到钙化扫描会漏掉的软斑块。

资深运动员的心脏病:我是如何逆转动脉阻塞并在65岁打破世界纪录的

冠状动脉CT血管造影

定义

冠状动脉CT血管成像(也称为冠状动脉CT造影或CCTA)是一种非侵入性影像检查,它使用CT扫描仪并注射造影剂来生成冠状动脉的详细图像,能够显示钙化斑块和非钙化(软)斑块以及任何狭窄的程度。.

为什么这很重要

与钙化扫描不同,它能显示斑块的类型和纹理,有助于识别破裂风险最大的不稳定病变。

Read: You Feel Fine – That’s the Problem

CT-FFR(CT 衍生血流储备分数)

定义

CT-FFR 是一种非侵入性技术,它将计算流体力学应用于冠状动脉 CT 血管造影数据,在无需有创导管的情况下评估冠状动脉狭窄的功能意义。它有助于确定影像中看到的解剖学狭窄是否真的严重限制了血流并导致缺血。

为什么这很重要

对于钙化分数高或检测到斑块的运动员,CT-FFR 可以明确狭窄在极限运动期间是否真的危险。

运动如何阻断疼痛:运动员心脏的致命秘密

CTT 合作

定义

胆固醇治疗研究者协作组(Cholesterol Treatment Trialists' Collaboration)汇总了所有主要他汀类药物试验的原始数据,而不仅仅是比较已发表的摘要。

为什么这很重要

通过对数十万名患者的研究,它得出了现代脂质护理的核心结论:每降低一个单位的 LDL,心血管事件就会大致按比例减少,无论你是通过何种方式实现的。

我应该服用降胆固醇药吗?当然应该。.

罪犯病变

定义

冠状动脉内被确定为急性缺血事件起源的具体部位;在 MINOCA 中,该部位可能表现为通过冠脉内影像学检查可检测到的斑块破裂、糜烂、血栓或夹层,即使血管造影显示通畅也是如此。.

为什么这很重要

识别罪犯病变对于指导 MINOCA 的正确治疗至关重要,而不是采用“一刀切”的方法。

隐匿性梗死:MINOCA机制、诊断与管理的深入研究验证

累积暴露

定义

累积暴露量是指你的一生中动脉所浸泡的有害胆固醇颗粒的总量——即浓度乘以时间。.

为什么这很重要

这是本网站最重要的观点。一个从 20 岁起胆固醇水平中等偏高的人,最终受到的伤害可能比一个从 55 岁起水平极高的人还要严重。斑块是会累积的。及早开始干预比加大力度干预更重要。

从子宫到逆转:消除一生的动脉损伤

治愈与逆转

定义

治愈一种疾病意味着停止导致它的过程。逆转意味着消除已经造成的损害。两者不是一回事。

为什么这很重要

对于心脏病,你可以通过将颗粒水平降到足够低来几乎完全停止其进程。消除现有的斑块则较慢且只能部分实现。在阅读健康声明时,弄清楚对方承诺的是哪一种非常重要。

阅读:心脏病可以治愈吗?

食蟹猴

定义

食蟹猴(Macaca fascicularis)是旧大陆猴,对膳食胆固醇高度敏感,能够快速发展出富含胶原蛋白、弹性蛋白和钙化的晚期冠状动脉病变;它们也被用于研究社会心理压力和社会等级如何通过交感神经系统激活和皮质醇升高来加速冠状动脉粥样硬化。.

为什么这很重要

它们说明了压力激素(而不仅仅是饮食)可以推动斑块的形成——这与任何想知道心理压力是否会影响心脏风险的人都息息相关。

Read: Can heart disease be reversed?

CYP7A1

定义

CYP7A1(胆固醇 7-α-羟化酶)是启动胆固醇转化为胆汁酸的肝脏限速酶,是人体清除胆固醇的主要途径。由于甾体环不能被分解提供能量,这种肝脏向胆汁酸的转化是主要的清除机制。

为什么这很重要

上调 CYP7A1 活性的药物和饮食因素可以通过增加胆固醇向胆汁酸的转化以供排泄,从而降低循环胆固醇。

百万美元分子:为什么你的身体为胆固醇付出巨资

胱硫醚 β-合酶 (CBS)

定义

催化转硫氨基作用第一步的酶,以维生素B-6为辅助因子,将同型半胱氨酸转化为什么胱硫氨酸;CBS基因的遗传性功能缺失突变是经典型同型半胱氨酸尿症和严重高同型半胱氨酸血症的最常见原因。.

为什么这很重要

CBS 缺乏症是极高同型半胱氨酸水平损害动脉的最明确证据,这对于理解为什么轻度升高范围内的证据看起来如此不同至关重要。

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

返回顶部

D

dal-OUTCOMES 试验

定义

一项针对达塞曲匹(dalcetrapib,一种提高 HDL 胆固醇的 CETP 抑制剂)的随机试验发现,在急性冠状动脉综合征之后,该药并未减少心血管事件,这进一步证明了通过药物提高 HDL-C 并不能可靠地转化为临床获益。

为什么这很重要

这是表明单纯升高 HDL 无法抵消心血管风险的几项试验之一——这直接削弱了支持椰子油的一个关键论点。

椰子油作为健康食品的神话:行业如何左右你的饮食!

达拉斯卧床休息与训练研究

定义

一项具有里程碑意义的纵向研究测量了健康年轻男子在长期卧床休息后以及运动训练后的心血管变化;其30年的随访显示,仅仅20天的卧床休息对心血管功能的损害,就超过了同一群人长达三十年的正常衰老。.

为什么这很重要

它是基础证据,表明我们所谓的心脏衰老很大程度上实际上是可逆的体能下降,而非不可避免的衰退。

你的心脏比你更老吗?逆转心血管年龄的科学

DASH 饮食

定义

DASH(终止高血压膳食疗法)饮食是一种强调摄入水果、蔬菜、全谷物、低脂乳制品,并减少钠和饱和脂肪摄入的饮食模式。它最初是为了通过随机对照试验测试其降血压效果而开发的,随后又因其更广泛的心血管益处而受到研究。

为什么这很重要

它是心脏病预防证据审查中经常进行比较的主要命名饮食模式之一。

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

从头合成

定义

从头合成是指在细胞内从乙酰辅酶 A 等小前体开始,完全从零构建一个分子(此处指胆固醇),而不是从血液或饮食中获取。这大约 30 步的途径能量消耗极大,以至于细胞在有循环低密度脂蛋白(LDL)可用时,强烈倾向于直接摄取它。

为什么这很重要

了解患者是胆固醇合成过多还是吸收过多,决定了哪种治疗方案(他汀类药物或依折麦布)最可能有效。

百万美元分子:为什么你的身体为胆固醇付出巨资

深度神经网络 (DNN)

定义

一种具有多层互连处理节点的机器学习模型,可以从大型数据集中学习复杂的非线性模式;在心脏影像学中,它被训练用于检测和量化 CT 扫描上的斑块特征。

为什么这很重要

基于 DNN 的分析是文中提到的高诊断 AUC 数据的基础,也是 AI 辅助冠状动脉斑块读取的技术引擎。

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

地舒单抗

定义

一种抑制 RANKL 的单克隆抗体,可抑制破骨细胞活性并减少骨吸收;与双膦酸盐不同,其效果在停止或延迟给药时会完全逆转,从而面临反弹风险,导致骨流失和多发性椎骨骨折。

为什么这很重要

其可逆机制意味着漏打注射液会产生严重后果——这是对于活跃或经常旅行的患者来说一个重要的实际考量因素。

阅读:牙龈疾病与心脏病

依赖阈值

定义

依赖阈值是最大摄氧量 (VO₂ max) 水平(大约为 18–20 mL·kg⁻¹·min⁻¹)的一个非正式术语,低于该水平的人缺乏足够的心肺储备来独立进行基本的日常生活活动。

为什么这很重要

了解这一阈值说明了可衡量的体能与老年时期功能独立性之间的直接联系。

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

下行抑制通路

定义

下行抑制通路是起源于脑干并沿脊髓向下延伸的神经回路,用于在疼痛信号到达意识层面之前对其进行抑制。它们是运动诱发痛觉减退的关键组成部分,并通过长期耐力训练得到加强。

为什么这很重要

它们构成了提高运动员痛阈的部分生物机制,可能会掩盖本应引起紧急医疗关注的心脏疼痛。

运动如何阻断疼痛:运动员心脏的致命秘密

DHA(二十二碳六烯酸)

定义

一种具有六个双键的长链 omega-3 脂肪酸,可增加细胞膜的流动性和紊乱性;与 EPA 不同,它似乎不会抑制含有 ApoB 的脂蛋白颗粒的氧化,并且在混合 EPA/DHA 的试验中,它与心血管事件的减少无关。

为什么这很重要

将 DHA 与 EPA 区分开来,有助于解释为什么 omega-3 复合补充剂在纯化 EPA 取得成功的情况下却失败了。

阅读:心脏病与鱼油

糖尿病

定义

糖尿病是一种血糖持续过高的疾病,其原因要么是身体产生的胰岛素太少,要么是身体对自身产生的胰岛素停止产生反应。.

为什么这很重要

它大约会使心脏病风险翻倍。部分原因是糖损害血管,另一部分原因是糖尿病通常伴随着高甘油三酯和高颗粒计数,而标准胆固醇测试可能会忽略这些。

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

糖尿病视网膜病变

定义

糖尿病视网膜病变是由长期血糖升高导致的视网膜微血管损伤;研究表明,ApoB 颗粒可以穿过受损的血-视网膜屏障并沉积为“硬性渗出”,类似于动脉斑块。

为什么这很重要

它强调了控制 ApoB 颗粒负担对于保护视力非常重要,而不仅仅是为了预防心脏病发作。

为什么载脂蛋白B(ApoB)很重要?

Dietary Cholesterol

定义

膳食胆固醇是指食物中的胆固醇,例如鸡蛋、虾、动物肝脏和其他动物性食品。.

为什么这很重要

For most people it has a surprisingly small effect on blood cholesterol, because the body compensates by making less. Saturated fat in food generally raises blood cholesterol more than cholesterol in food does. This is why egg advice kept flip-flopping for decades.

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

Diffuse Disease Reversal

定义

A pattern of atherosclerosis regression in which luminal widening occurs broadly across an entire arterial segment rather than only at a single focal stenosis; the Megdal study documents this via Average Lumen Diameter improvement between the standardized red tick marks on both the LAD and Circumflex, ruling out focal mechanical intervention as the cause.

为什么这很重要

Diffuse reversal proves the whole artery wall is healing, not just one spot that might have been stented.

阅读:冠状动脉疾病消退的专家血管造影评估:Megdal 序列血管造影 (2014–2018)

Diphenhydramine

定义

An antihistamine widely sold over the counter as a sleep aid that causes sedation by blocking histamine H1 receptors in the brain. It carries significant risks of confusion, urinary retention, and falls in older adults, and tolerance develops quickly.

为什么这很重要

Many people assume over-the-counter means safe; understanding diphenhydramine's risks helps explain why it is not recommended for regular sleep use, especially in older adults.

阅读:睡眠与您的心脏

DISCO-CT

定义

DISCO-CT 是一项随机影像学试验,在最佳药物治疗的基础上增加了一个以 DASH 饮食为主的生活方式干预项目,并利用 CT 测量了冠状动脉斑块。该研究发现,两组间总体斑块负荷没有差异,但在饮食组中,广义定义的非钙化斑块成分减少幅度更大。.

为什么这很重要

It is one of the few controlled trials to look at whether diet changes actual plaque on a CT scan, and its mixed results illustrate how hard that question is to answer.

阅读:饮食与药物,或者结果与逆转,哪个更重要?

不和谐

定义

请参见 ApoB 不一致性 以获取完整条目。.

Disease Reversal (Cardiovascular)

定义

A process in which measurable markers of cardiovascular disease—such as arterial plaque burden or coronary stenosis—improve significantly in response to intensive lifestyle modification, nutrition, and/or medical therapy, to the point where the disease no longer produces symptoms or detectable progression.

为什么这很重要

Distinguishing reversal from mere stabilization is important for patients setting realistic goals for lifestyle and medical intervention.

Read: Peter Megdal sets new World Record

Diurnal Cortisol Slope

定义

The diurnal cortisol slope is the rate at which cortisol falls from its morning peak to its evening low over the course of a day. A flatter slope — meaning cortisol stays too high into the evening — has been associated in some studies with worse cardiovascular outcomes, including cardiovascular mortality in the Whitehall II cohort.

为什么这很重要

It shifts the conversation from 'is my cortisol high?' to 'is my cortisol rhythm healthy?' — a more meaningful question for heart health.

阅读:压力会致命吗?冥想能救命吗?

DMB (3,3-Dimethyl-1-Butanol)

定义

DMB (3,3-dimethyl-1-butanol) is a naturally occurring compound found in some olive oils that acts as a competitive inhibitor of the microbial TMA lyase enzyme (CutC/D), reducing TMA and TMAO production without killing gut bacteria and thereby avoiding the risk of antibiotic resistance.

为什么这很重要

DMB represents a new class of targeted, non-antibiotic interventions that could lower cardiovascular risk by modulating the microbiome.

牛排中的隐形毒素:肠道细菌如何引发心脏病

DNAmFitAge

定义

An epigenetic biological-age model that integrates DNA methylation patterns with measures of cardiorespiratory fitness to estimate how physiologically 'young' an individual is relative to their chronological age.

为什么这很重要

It offers a way to quantify the anti-aging effect of high fitness levels beyond simple performance metrics.

精英老将自行车手的生理优化与寿命表现建模

DOCK4(细胞松弛素同源蛋白4)

定义

A guanine nucleotide exchange factor that is recruited to the cytoplasmic domain of SR-B1 following LDL binding, and activates the small GTPase Rac1 to trigger actin cytoskeleton remodeling required for endothelial transcytosis of LDL particles.

为什么这很重要

DOCK4 is a key link in the molecular chain that moves LDL from the bloodstream into the artery wall—blocking any step in this chain could reduce plaque formation.

阅读:基因彩票:为什么你不能指望自己“刀枪不入”

Donanemab

定义

Donanemab 是一种抗淀粉样蛋白单克隆抗体,针对一种修改形式的 β-淀粉样蛋白。与 lecanemab 一样,临床试验表明它能清除斑块并适度减缓阿尔茨海默病的进展,且具有类似的脑肿胀和出血风险。

为什么这很重要

与 lecanemab 一起,它证实了清除淀粉样蛋白是可实现的但并非治愈性的,这加强了必须解决包括血管疾病在内的其他上游原因的论点。

阿尔茨海默病其实始于你的动脉吗?

DOPS 试验

定义

丹麦骨质疏松预防研究 (DOPS) 是一项随机试验,研究对象是刚进入更年期的女性,服用口服激素疗法十年;在随访中,与安慰剂组相比,激素组的主要心血管事件或死亡率大约降低了一半,这为早期启动激素治疗提供了最强有力的硬终点信号之一。

为什么这很重要

DOPS 是少数几个将实际心脏病发作和死亡作为终点,而非仅仅是替代指标进行报告的随机试验之一。

阅读:新型雌激素贴片能预防心脏病吗?真相解析

剂量-反应关系

定义

剂量-反应关系描述了生物学效应的大小如何随着暴露量(例如每周锻炼分钟数)的增加而改变;本文中,抗阻训练对老年女性的死亡率显示出非线性的剂量-反应关系,其益处在每周约120分钟左右达到平台期,而在极高训练量时则会出现J形曲线。.

为什么这很重要

了解“更多并不总是更好”是本文的核心实践信息之一。

阅读:举铁能帮助你的心脏泵血吗?

DPP-4 抑制剂

定义

DPP-4 抑制剂是一种口服药物,可阻断二肽基肽酶-4,这种酶通常会降解人体自身的 GLP-1;通过减缓 GLP-1 的分解,这些药物仅将内源性 GLP-1 水平提高两到三倍——远低于注射用的 GLP-1 受体激动剂——而诸如 SAVOR-TIMI 53 之类的大型试验证明它们并不能减少心血管事件。

为什么这很重要

文章使用 DPP-4 抑制剂来解释为什么 GLP-1 激活的剂量和效力对心脏保护至关重要,而不仅仅是药物类别。

阅读:Ozempic 和 Mounjaro:在体重减轻之前先保护您的心脏

兴奋剂检测(反兴奋剂控制)

定义

由官员在比赛后收集的尿样或血样,根据管理机构的规则筛选违禁的性能增强物质;创造国家或世界纪录的运动员通常会接受测试以验证结果。

为什么这很重要

反兴奋剂测试确保记录的表现反映了真正的维持心血管和生理能力,而不是药物增强的结果。

Peter Megdal 于 2021 年 10 月 14 日创造了全国小时计时赛纪录

药物洗脱支架 (DES)

定义

药物洗脱支架是一种涂有药物的小型金属网状管,插入狭窄的冠状动脉以使其保持开放;药物涂层缓慢释放一种抑制支架内疤痕组织生长的药剂,从而降低血管再次狭窄的风险。

为什么这很重要

DES 是此处讨论的试验中使用的现代支架;了解它们的设计有助于解释为什么它们有望在预防再次阻塞方面优于早期的裸金属支架。

治疗生物学而非管道:心脏病学激进的新方法

双重抗血小板治疗 (DAPT)

定义

两种血小板抑制药物(通常是阿司匹林和氯吡格雷)的联合使用,在支架植入后处方以防止支架内血栓形成,通常在药物洗脱支架手术后持续约六个月。

为什么这很重要

DAPT 在支架术后至关重要,但它也带有自身严重出血的风险,这说明了患者和医生必须权衡的持续权衡。

阅读:心脏支架的细节

双 GIP/GLP-1 受体激动剂

定义

双 GIP/GLP-1 受体激动剂是一种药物(替尔泊肽是主要例子),它同时激活胰高血糖素样肽-1 和葡萄糖依赖性促胰岛素多肽(这两种肠促胰岛素)的受体,与单纯的 GLP-1 受体激动相比,能产生更大的减重效果、脂质改善和代谢益处。

为什么这很重要

了解替尔泊肽靶向两个受体,解释了为什么它的减重和代谢效果通常超过旧的 GLP-1 药物。

阅读:Ozempic 和 Mounjaro:在体重减轻之前先保护您的心脏

菌群失调(失调的生物膜)

定义

牙菌斑微生物群落从健康相关的组成向富含厌氧菌、促进疾病的状态转变,从而推动从牙龈炎向破坏性牙周炎的过渡。

为什么这很重要

Understanding this distinction explains why not everyone with dental plaque develops serious gum disease, and why gum disease is not simply a hygiene failure.

阅读:牙龈疾病与心脏病

返回顶部

E

Early Trial Termination

定义

早期试验终止是指临床研究在其计划的终点之前停止,通常是因为中期数据显得非常有利;这种做法往往会夸大治疗效果的表观幅度,并降低研究结果的可靠性。.

为什么这很重要

PREDIMED was stopped early, which is one reason the article argues its reported 30% risk reduction should be interpreted with caution.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

EBBINGHAUS Study

定义

A prospective neurocognitive substudy of the FOURIER trial that used objective cognitive testing in nearly 2,000 patients to assess whether evolocumab-driven LDL lowering affected memory or cognition, finding no meaningful difference versus placebo over a median follow-up of 19 months.

为什么这很重要

It is the most direct clinical trial evidence on whether very low LDL harms brain function.

Read: Cholesterol: How Low is Too Low?

Eccentric Remodeling

定义

Eccentric remodeling is the adaptive enlargement and strengthening of the heart's ventricular walls that occurs in response to sustained aerobic exercise, resulting in a larger stroke volume and greater cardiac output; it is distinct from the pathological enlargement seen in heart disease.

为什么这很重要

This healthy structural change is a key reason fit people have greater cardiac reserve and lower mortality risk.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

ECG-Gated CT

定义

一种将图像采集与心电图记录的心脏电信号同步的CT成像技术,可最大程度地减少运动伪影,从而能够准确测量冠状动脉结构;它是冠脉钙化积分(CAC)的标准方法。.

为什么这很重要

ECG gating is what allows the scanner to capture sharp images of constantly moving coronary arteries.

零的力量:没有钙 – 没有风险?

Echocardiogram

定义

An echocardiogram is an ultrasound picture of your heart. A technician moves a probe across your chest and sound waves build a moving image of the chambers and valves.

为什么这很重要

It shows how well the heart is pumping and whether the valves are working. It does not show plaque in the coronary arteries, so a normal echo does not mean your arteries are clear.

异位脂肪

定义

异位脂肪是指当皮下脂肪储存能力饱和时,脂质沉积在并非为储存脂肪而设计的器官(包括肝脏、胰脏、骨骼肌和心肌)中所形成的脂肪堆积,这会导致局部脂毒性并损害器官功能。.

为什么这很重要

Fat in the liver or heart muscle is directly harmful to those organs in ways that fat under the skin is not.

阅读:为什么腹部脂肪比你想象的更危险

Effective Arterial Elastance (Ea)

定义

衡量左心室将血液射入主动脉时必须克服的总后负荷(即阻力和压力负荷)的指标;随着中心动脉随年龄增长或缺乏运动而变硬,Ea 上升,迫使心脏每次搏动时做功更多。.

为什么这很重要

Rising afterload from stiff arteries is a key pathway to heart failure, so understanding Ea explains why arterial stiffness matters beyond just blood pressure.

你的心脏比你更老吗?逆转心血管年龄的科学

Effective Refractory Period (ERP)

定义

电脉冲发放后心肌组织无法再次受到刺激的最小时间间隔;酒精会急性缩短心房有效不应期(ERP),特别是在肺静脉中,从而使心脏更容易产生房颤的折返电激动环路。.

为什么这很重要

Shortening of this period is a key electrical mechanism by which even modest alcohol exposure raises arrhythmia risk.

半满的玻璃杯:为什么科学正向“有益心脏健康”的饮酒习惯挥手告别

Efferocytosis

定义

胞葬作用是免疫细胞清除死亡细胞的一种体内清洁过程。.

为什么这很重要

Inside a plaque this cleanup fails. Dead foam cells pile up instead of being removed, and that debris becomes the necrotic core. Restoring the cleanup is an active area of drug research.

Read: Can heart disease be reversed?

EGF-A Domain (of the LDL Receptor)

定义

The epidermal growth factor-like repeat A domain of the LDL receptor to which PCSK9 binds; this binding targets the receptor for lysosomal degradation rather than recycling, and is the molecular site interrupted by PCSK9 inhibitor drugs.

为什么这很重要

Knowing the precise binding site clarifies how both monoclonal antibodies and CRISPR-based therapies disrupt PCSK9's action.

Read: Cholesterol: How Low is Too Low?

eGFR (Estimated Glomerular Filtration Rate)

定义

eGFR is a calculated measure of how efficiently the kidneys filter waste from the blood; because TMAO is cleared almost entirely by the kidneys, a falling eGFR causes TMAO to accumulate in the bloodstream independent of diet or gut bacteria. The article identifies reduced eGFR as the single largest confounder in studies linking high TMAO to cardiovascular events.

为什么这很重要

Without accounting for kidney function, studies can wrongly conclude that TMAO itself causes heart disease.

红肉正在通过你的肠道杀死你吗?关于TMAO的大骗局

Ejection Fraction

定义

射血分数是主泵血心室在每次跳动时挤出的血液百分比。正常值通常在 55% 到 70% 之间。.

为什么这很重要

A low number means the heart is not pumping strongly, often after a heart attack or from long-standing high blood pressure.

Elastin

定义

弹性蛋白是动脉壁中的一种结构蛋白,能使血管随着每次心跳伸展和回缩;随着年龄的增长,它会发生降解并被更硬的胶原蛋白所取代,从而导致动脉僵硬度和收缩压上升。.

为什么这很重要

Understanding elastin explains why arteries naturally stiffen with age and why blood pressure patterns change after 60.

Read: Heart disease accelerates as you age

心电图

定义

An electrocardiogram — ECG or EKG — records your heart's electrical activity through stickers placed on your skin. It takes about a minute and is painless.

为什么这很重要

它可以揭示心律问题、当前或过去心脏病发作的迹象,以及一些使年轻运动员面临风险的遗传性电生理状况。对于许多仍有明显斑块的人来说,这项检查结果可能看起来是正常的。

如何避免英年早逝

ELITE 试验

定义

ELITE 试验(雌二醇早期与晚期干预试验)是一项针对 643 名女性的随机试验,测试了早期(绝经后不到六年)与晚期(十年或更长时间后)开始口服雌二醇是否对颈动脉壁增厚产生不同的影响;研究发现,仅在早期开始组中 CIMT 进展较慢,这为……提供了替代终点层面的支持

为什么这很重要

ELITE 是关于为何在绝经期附近开始激素治疗对血管健康至关重要的最直接的随机证据。

阅读:新型雌激素贴片能预防心脏病吗?真相解析

应急行动计划

定义

应急行动计划是一份经过演练的书面计划,用于应对学校、健身房或体育赛事中有人晕倒的情况:谁拨打 911、谁开始实施心肺复苏术 (CPR)、谁去拿除颤器。.

为什么这很重要

拥有演练计划的地方比单纯拥有除颤器的地方能挽救多得多的生命。拥有设备并不等同于知道如何使用它。

如何避免英年早逝

新兴风险因素协作组

定义

一项大型汇总前瞻性分析,结合了 36 项研究和 126,634 名参与者的数据,以量化包括 Lp(a) 在内的新型生物标志物如何补充标准心血管风险预测;据报道,通常的 Lp(a) 每升高 3.5 倍,调整后的冠心病风险比为 1.13。

为什么这很重要

它提供了一些最强的人群水平证据,证明 Lp(a) 升高会独立增加心脏病风险。

阅读:什么是脂蛋白 (a)?

内源性大麻素系统

定义

内源性大麻素系统是一个由内源性脂质信号分子及其受体(包括大麻素受体 CB1 和 CB2)组成的网络,调节整个神经系统的疼痛、情绪和能量平衡。研究表明,它在运动引起的痛觉减退中起核心作用,跑步者的快感 (runner's high) 取决于大麻素受体信号传导,而不是阿片受体……

为什么这很重要

这是运动员天然镇痛能力如此强大的一个关键原因,也是为什么这种能力在运动期间会掩盖心脏警告信号的原因。

运动如何阻断疼痛:运动员心脏的致命秘密

内吞和溶酶体转运途径

定义

细胞外物质被包裹在囊泡中(内吞作用)并通过溶酶体处理的细胞机制;在这种背景下,这是饮食中的 Neu5Gc 进入人体细胞并融入细胞表面结构的途径。

为什么这很重要

解释了食物中的糖分如何通过物理方式成为你自身组织的一部分,这是 Neu5Gc 引起关注的生物学基础。

阅读:问答:你对红肉的热爱会有危险吗?

内皮细胞

定义

内皮细胞是覆盖在所有血管内表面的单层细胞;它们调节血管张力、防止凝血,并控制物质进入动脉壁——其功能障碍是动脉粥样硬化早期且关键的一步。.

为什么这很重要

该研究的核心机制在于微塑料损伤这些细胞,引发炎症和斑块生长。

问答:日常微塑料是否在助长心脏病?

内皮功能障碍

定义

内皮功能障碍是指那层薄薄的内膜不再能很好地发挥作用。血管无法正常扩张,屏障变得更容易渗漏。

为什么这很重要

它是心脏病最早的变化之一,早在扫描中发现斑块之前就已出现。吸烟、高血压、高血糖和高颗粒计数都会对其造成损害。

阅读:橄榄油真的健康吗?

内皮功能

定义

血管内膜调节血管张力、炎症和凝血的能力;健康的内皮细胞释放一氧化氮,以保持动脉放松并抵抗斑块形成。.

为什么这很重要

内皮功能受损是动脉粥样硬化早期可逆的一步,使其成为饮食和运动干预的关键目标。

阅读:永无止境的那一小时

内皮糖萼

定义

内皮糖萼是覆盖在血管内表面的一层薄薄的、呈凝胶状的糖蛋白和蛋白聚糖复合物;它充当选择性屏障,限制循环脂蛋白与动脉壁之间的直接接触,且易受紊乱或高速血流的破坏。.

为什么这很重要

文章提出,数十年的剧烈运动可能会“磨损”动脉弯曲处的这种保护层,使含有 ApoB 的颗粒进入管壁并引发斑块。

阅读:耐力运动对动脉是有益还是有害?

内皮型一氧化氮合酶 (eNOS)

定义

内皮型一氧化氮合酶是动脉内膜细胞中负责产生一氧化氮的酶,一氧化氮能够舒张血管并抑制血栓形成;在胰岛素抵抗状态下,受损的胰岛素受体信号传导会下调eNOS,从而减少一氧化氮的可用性并促进具有粘附性和促炎性的动脉表面。.

为什么这很重要

eNOS 活性降低是胰岛素抵抗除了改变胆固醇颗粒外,还会损害血管的一个关键原因。

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

内皮血管舒缩反应

定义

内皮血管舒缩反应是动脉内膜释放信号(主要是通过一氧化氮)使血管放松和扩张的能力;这一功能在动脉粥样硬化时会受损,灵长类动物研究表明,在降低胆固醇治疗的相对早期阶段,该功能可部分恢复。.

为什么这很重要

这种反应的恢复是风险在斑块明显缩小之前就下降的原因之一,这对于理解获益的时间轴非常重要。

Read: Can heart disease be reversed?

内皮化

定义

单层内皮细胞生长并覆盖支架内表面、使动脉壁恢复自然内衬并降低暴露金属上血栓形成风险的过程。.

为什么这很重要

内皮化不全(Incomplete endothelialization)是支架植入多年后血栓形成的关键原因,这使其成为支架长期安全性的核心。

阅读:心脏支架的细节

能量密度

定义

食物每克(或每单位体积)所含的热量;高纤维、富含水分的植物性食物具有低能量密度,这意味着可以吃更大体积的食物却摄入更少的热量,从而在无需刻意限制的情况下促进饱腹感并自发减少热量摄入。.

为什么这很重要

文章指出,低能量密度是全食植物性饮食促进减肥和代谢改善的关键机制。

生酮饮食 vs. 全食植物性饮食:关于运动表现、胰岛素敏感性、逆转心脏病和长寿的硬核证据是什么?

eNOS 脱偶联

定义

内皮一氧化氮合酶的一种功能障碍状态,其中该酶产生超氧化物而非一氧化氮,从而放大氧化应激并降低血管舒张能力;在斑块消退过程中,随着四氢生物蝶呤可用性的恢复,这种情况会得到逆转。

为什么这很重要

它解释了为什么氧化应激会直接损害动脉的舒张能力,以及为什么恢复 eNOS 功能是饮食和药物治疗的关键目标。

冠状动脉斑块消退、管腔悖论与运动员的血管重塑:整合药物与全食物植物性策略

EPA (二十碳五烯酸)

定义

一种存在于海洋油脂中的长链 omega-3 脂肪酸,其纯化形式可抑制含 ApoB 的脂蛋白颗粒氧化,并对动脉壁产生抗炎作用;它在结构和生物学上与 DHA 不同。

为什么这很重要

了解 EPA 和 DHA 是具有不同作用的不同分子,可以解释为什么在试验中只有特定的鱼油制剂显示出心血管益处。

阅读:心脏病与鱼油

EPIC-Oxford

定义

英国一项大型前瞻性队列研究,招募了大量素食主义者和纯素食主义者,作为更广泛的欧洲癌症与营养前瞻性调查的一部分;该研究报告称,与食肉者相比,素食者的总体中风风险(由出血性中风驱动)更高。.

为什么这很重要

EPIC-Oxford 是证明素食并非对所有心血管结果(特别是中风)都具有普遍保护作用的主要证据来源之一。

素食主义真的能延年益寿吗?这是一个谎言吗?

心外膜冠状动脉

定义

心外膜冠状动脉是沿心脏表面运行的大型动脉,作为向心肌输送血液的主要管道;它们是动脉粥样硬化斑块主要形成的血管,也是冠状动脉成像研究的主要焦点。.

为什么这很重要

文章讨论了这些特定血管在运动期间如何承受独特的机械力,以及在影像中检测到运动员特有的斑块积聚的位置。

阅读:耐力运动对动脉是有益还是有害?

表观遗传甲基化(胆固醇稳态途径)

定义

一种可遗传的化学修饰——特别是将甲基添加到 DNA 启动子区域——在不改变 DNA 序列的情况下改变基因表达;在暴露于母体高胆固醇血症的胎儿主动脉中,包括控制 SREBP2 的调节区域在内的甲基化改变与早期动脉粥样硬化病变形成有关。

为什么这很重要

它提供了一种分子机制,解释了母亲的胆固醇如何永久改变孩子身体调节自身胆固醇的方式。

阅读:婴儿需要服用他汀类药物吗?

勃起功能障碍 (ED) 作为血管标志物

定义

在心血管背景下,勃起功能障碍被公认为全身内皮和微血管疾病的早期临床表现,因为阴茎动脉(直径 1–2 毫米)比直径较大的冠状动脉(3–4 毫米)早几年达到狭窄的症状阈值。研究表明,在患有……的男性中,ED 是冠状动脉事件发生前约 3 到 5 年的预警信号。

为什么这很重要

将 ED 视为潜在的血管警告而非孤立的问题,可以在心脏病发作前几年促使进行挽救生命的心血管筛查。

从子宫到逆转:消除一生的动脉损伤

运动能力增强辅助手段

定义

旨在将运动表现提升至正常能力水平之上的任何营养、药理或物理干预措施;该术语用于评估外源性酮体等补充剂是否能提供经证明的竞争优势。.

为什么这很重要

当文章质疑酮类饮料是否为“经普遍证明的运动能力增强辅助手段”时,该术语在未定义的情况下出现。

生酮饮食 vs. 全食植物性饮食:关于运动表现、胰岛素敏感性、逆转心脏病和长寿的硬核证据是什么?

测力计

定义

测力计是一种固定的运动设备(通常是自行车或跑步机),用于临床环境,在监测患者(通常进行心电图和血压监测)的同时提供受控、可测量的负荷。它是用于诱发和检测心肌缺血迹象的运动压力测试的标准平台。

为什么这很重要

了解运动压力测试的内容有助于患者理解静息状态下没有症状的人是如何揭示缺血情况的。

阅读:curingheartdisease.com 的 Peter Megdal 专访

测力计测试

定义

一种在固定自行车功量计(或类似设备)上进行的标准化运动测试,通过逐渐增加负荷来评估心血管功能并检测缺血;Peter Megdal 的异常结果促使了进一步调查,揭示了冠状动脉疾病。

为什么这很重要

了解触发诊断的因素有助于读者理解哪些检查可以发现隐匿性心脏病。

阅读:《重新思考心脏健康:彼得·梅格达尔如何将一纸诊断转化为推动变革的使命》

红细胞增多症

定义

红细胞增多症是循环红细胞数量的异常增加,会提高血液黏度(血细胞比容);它是睾酮疗法中公认的副作用,因为睾酮会刺激红细胞的产生,而在治疗期间监测血细胞比容(临床阈值约为 54%)是常规做法。

为什么这很重要

血液粘稠会加重心血管系统的负担,因此这是医生对接受睾酮治疗的男性进行监测的一项关键安全参数。

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

埃塞尔斯廷饮食(考德威尔·埃塞尔斯廷)

定义

埃塞尔斯廷计划是由克利夫兰诊所的心脏病专家考德威尔·埃塞尔斯廷开发的一种极低脂、纯植物性饮食方案,该方案剔除了所有动物产品和添加油,并作为一种阻止和逆转冠状动脉疾病的方法而被研究。文章的受访者将埃塞尔斯廷的书列为他个人研究的基础来源。

为什么这很重要

它是心脏病逆转讨论中引用最多的饮食干预措施之一,并被文章直接引用。

阅读:curingheartdisease.com 的 Peter Megdal 专访

必需氨基酸 (EAAs)

定义

人体无法合成足量、必须从饮食中获取的九种氨基酸(包括亮氨酸);充足的必需氨基酸供应(特别是亮氨酸)是激活肌肉蛋白质合成所必需的,且随着衰老过程中合成代谢抗性的发展,其充足性变得更加关键。

为什么这很重要

必需氨基酸含量,而不仅仅是蛋白质的总克数,决定了一餐是否能真正触发老年人的肌肉维持。

阅读:停止随着年龄增长而衰弱……新兴的抗衰老科学!

雌特罗(E4)

定义

一种天然存在的雌激素,由胎儿肝脏在怀孕期间产生,目前作为绝经期激素疗法的候选药物正在进行临床研究;它被认为比传统雌激素具有更具选择性的组织分布特征,有可能在缓解症状的同时提高安全性。

为什么这很重要

作为一种较新的治疗选择,E4 代表了向更具针对性、且系统性风险可能更低的更年期疗法的转变。

绝经 内分泌 心血管 风险

雌二醇撤退假说

定义

该模型提出,雌二醇水平的快速生理性下降或波动——而非长期的绝对低水平——是更年期过渡期间情绪不稳定、易怒和焦虑的主要触发因素。

为什么这很重要

这有助于解释为什么有些女性甚至在雌激素达到绝经后最低水平之前就会感到情绪不稳。

绝经 内分泌 心血管 风险

雌激素

定义

雌激素是一种在绝经前女性体内含量高得多的荷尔蒙,它对血管、胆固醇和骨骼都有影响。.

为什么这很重要

它似乎对动脉有一定的保护作用,这也是女性患心脏病的时间通常比男性晚十年左右的原因之一。当更年期雌激素下降时会发生什么,以及补充雌激素是否有帮助,其复杂程度远比以前所描述的要复杂。

雌激素能保护女性动脉免受斑块形成吗?

EVAPORATE 试验

定义

一项临床试验,利用连续 CCTA 追踪接受二十碳五烯酸乙酯(一种纯化的 omega-3 脂肪酸)治疗患者的冠状动脉斑块成分随时间的变化;它证明了该药物可引起低衰减斑块的消退,确立了 CCTA 作为监测斑块治疗反应工具的地位。

为什么这很重要

它表明人工智能辅助的 CT 成像可以测量治疗是否真正缩小了最危险类型的斑块。

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

循证医学 (EBM)

定义

一种临床决策方法,它结合了现有的最佳研究证据、临床专业知识和患者价值观,而不是仅仅依赖传统或轶事。

为什么这很重要

了解“循证”的含义有助于读者评估一项健康干预措施是有科学支持,还是基于个人信念。

Read: Peter Megdal sets new World Record

依维单抗

定义

依那库单抗是一种靶向阻断 ANGPTL3 的注射用抗体,用于治疗最严重的遗传性胆固醇疾病。.

为什么这很重要

它甚至对 LDL 受体几乎不起作用的患者也有效,因为它通过一种不依赖这些受体的途径来降低胆固醇。对于纯合子型患儿来说,这种区别具有改变生活的意义。

我应该服用降胆固醇药吗?当然应该。.

EWTOPIA 75

定义

一项在日本进行的随机开放标签试验,研究对象约为 3,796 名 75 岁及以上、LDL-C 至少为 140 mg/dL 且无冠状动脉疾病史的成年人,对比了依折麦布单药治疗与单纯饮食咨询的效果。研究显示,五年内动脉粥样硬化性心血管事件的相对风险降低了 34%。

为什么这很重要

本文引用该研究作为先前的证据,证明在老年一级预防人群中,降脂治疗(即使不使用他汀类药物)也能预防首发事件。

阅读:预防你的第一次心脏病发作

白天过度嗜睡 (EDS)

定义

尽管夜间有充足的睡眠机会,但在白天仍持续难以保持清醒;一项对 17 项研究的荟萃分析发现,这与心血管事件约 1.28 的汇总相对风险相关,并与更高的中风和死亡率相关。

为什么这很重要

EDS 既是睡眠呼吸暂停等可治疗疾病的症状,也是心血管风险升高的独立标志。

阅读:睡眠与您的心脏

运动耐量

定义

运动能力是对一个人能够执行的最大体力做功的定量测量,通常在分级负荷试验中评估为瓦特为单位的峰值负荷、峰值耗氧量(VO2 最大值)或代谢当量(METs)。在文章中,支架植入术后四个月运动能力的下降表明,仅靠该手术并未解决潜在的疾病。.

为什么这很重要

运动耐量既是衡量体适能的实际指标,也是心血管预后的独立预测因素,因此其变化具有临床意义。

阅读:curingheartdisease.com 的 Peter Megdal 专访

运动经济性

定义

在产生特定功率输出或运动速度时的氧耗量;经过训练的自行车运动员即使绝对有氧能力随年龄增长而下降,仍能保持相对稳定的运动经济性,从而维持效率。

为什么这很重要

这有助于解释为什么年长的精英运动员在最大摄氧量 (VO₂max) 较低的情况下仍能表现出色——他们每产生一瓦功率消耗的氧气更少。

精英老将自行车手的生理优化与寿命表现建模

运动平板试验

定义

一种标准化的临床测试,患者在平板跑步机上以逐渐增加的速度和坡度行走或跑步,同时监测心率、血压和心电图;它可以评估心肺耐力并检测心肌缺血。

为什么这很重要

文中引用的这项涉及 12.2 万名患者的里程碑式研究使用运动平板试验将参与者分为四个体能等级,并将体能与死亡率联系起来。

阅读:最大摄氧量 (VO₂ max):健康与长寿的决定因素?

运动诱发痛觉减退

定义

运动诱发的痛觉减退是指在剧烈体力活动期间和之后发生的疼痛感知降低,由内源性阿片类物质和其他止痛化学物质的释放引起;在运动员中,这种效应可能会因削弱胸痛感而掩盖心肌缺血,而胸痛本应是心脏供血不足的信号。

为什么这很重要

这有助于解释为什么体能出色的人可能患有严重的心脏病,却从未感到典型的警告信号。

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

劳力性恶心

定义

在剧烈运动期间或之后立即发生的恶心;虽然通常归因于训练强度或补水情况,但在冠状动脉疾病背景下,它可能是心肌缺血的一种非典型症状,运动员经常将其误认为是正常的训练反应。

为什么这很重要

作者在间歇训练时的恶心结果证明是心肌缺血——这突显了体能出色人群的非典型症状如何掩盖严重的心脏疾病。

资深运动员的心脏病:我是如何逆转动脉阻塞并在65岁打破世界纪录的

外源性酮体

定义

酮体——最常见的是β-羟丁酸——作为饮料或酯类直接摄入,而不是由身体通过限制碳水化合物产生;它们能迅速提高血酮水平,而无需改变饮食,既被用作研究工具,也被用作拟议的运动表现提升补充剂。.

为什么这很重要

了解饮食诱导和补充剂诱导的酮症之间的区别,有助于读者批判性地评估对酮类产品的运动表现和健康声明。

生酮饮食 vs. 全食植物性饮食:关于运动表现、胰岛素敏感性、逆转心脏病和长寿的硬核证据是什么?

外显子组测序

定义

外显子组测序是一种基因组技术,用于读取基因组中编码蛋白质的部分,使研究人员能够识别罕见的编码变异——包括功能丧失突变——这些变异可能对疾病风险产生重大影响;它已被用于发现标准全基因组关联分析(GWAS)可能漏掉的 CIDEB 和 ZNRF3 等基因中的保护性变异。.

为什么这很重要

它发现了人群水平研究容易忽略的、罕见但强大的心脏病遗传保护因素。

心血管保护的遗传架构

可扩展性假设

定义

可扩展性假说提出,个体的皮下脂肪具有不同的最大安全脂质储存容量;当超过该容量时,多余的脂质会溢出到异位部位——肝脏、胰腺、骨骼肌和心脏——从而引起脂毒性和代谢功能障碍。.

为什么这很重要

它解释了为什么两个总脂肪量相同的人,由于身体储存多余脂肪的部位不同,代谢健康结果可能会有很大差异。

阅读:为什么腹部脂肪比你想象的更危险

外弹力膜

定义

外弹性膜是动脉肌肉壁与周围结缔组织之间的分界线;在血管内成像中,外弹性膜 (EEM) 包围的面积用于量化血管的总大小,包括开放的管腔和血管壁内的斑块。

为什么这很重要

测量 EEM(外弹力膜)而不仅仅是管腔,可以揭示动脉为了容纳隐匿性斑块向外重塑了多少——这是标准血管造影无法提供的信息。

阅读:饮食与药物,或者结果与逆转,哪个更重要?

特级初榨橄榄油 (EVOO)

定义

符合低酸度和感官质量国际标准的冷榨橄榄油;与精炼橄榄油不同,它保留了天然多酚和其他可能具有抗氧化和抗炎特性的微量生物活性化合物。

为什么这很重要

在心血管研究中,特级初榨橄榄油经常与种子油进行对比,了解它与普通橄榄油的区别有助于您更准确地评估证据。

阅读:seed oils 是否健康,是真是假?

肝外合成

定义

肝外合成是指在肝脏以外发生的胆固醇生产——包括骨骼肌、皮肤、肾脏、肠道和其他组织——在人类中,这约占每日总胆固醇合成量的 90%。

为什么这很重要

这挑战了肝脏是人体主要胆固醇工厂的普遍假设,并阐明了为什么血浆胆固醇水平反映的是运输情况,而非人体的总产量。

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

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FAME 2 试验

定义

“血流储备分数对比血管造影评估多支血管病变研究 2”(FAME 2 试验)在稳定型冠状动脉疾病中比较了 FFR 指导的 PCI 与单纯药物治疗,结果发现 PCI 显著减少了紧急重复血运重建,但在长达 11 年的时间里,并未显著降低死亡率或自发性心肌梗死发生率。

为什么这很重要

它解释了为什么支架仍被广泛使用——即使它们不能延长寿命,也能可靠地缓解症状并防止急诊住院。

治疗生物学而非管道:心脏病学激进的新方法

家族性缺陷型 ApoB-100

定义

家族性缺陷型 ApoB-100 是一种由于 APOB 基因突变(最常见的是 R3500Q (p.Arg3527Gln) 变异)引起的遗传病,该突变削弱了 LDL 颗粒与 LDL 受体结合的能力,导致 LDL-C 终身升高并增加致动脉粥样硬化颗粒负荷。

为什么这很重要

它解释了为什么有些人由于单一遗传变异而非生活方式导致出生起就患有高胆固醇,以及为什么这种暴露随着时间的推移会累积成严重的冠状动脉疾病。

基因好能战胜血脂差吗?

家族性高胆固醇血症

定义

家族性高胆固醇血症(简称FH)是一种遗传性疾病,表现为肝脏无法正常清除血液中的胆固醇。患者从出生起胆固醇水平就非常高。.

为什么这很重要

大约每 250 人中就有一人患有此病,且大多数人并不知情。由于暴露从童年开始,心脏病发作可能发生在三十多岁或四十多岁。这是尽早检查胆固醇而非等到中年的最有力论据之一。

阅读:婴儿需要服用他汀类药物吗?

家族性低β脂蛋白血症

定义

家族性低 β 脂蛋白血症是一种由 APOB 基因突变引起的遗传病,该突变导致产生截短且无法分泌的蛋白质,从而显著降低循环中的 LDL-C(杂合子为 20–50 mg/dL,纯合子低于 10 mg/dL)。受影响个体的终生 ASCVD 风险大幅降低,影像学和尸检数据显示纯合子的斑块极少……

为什么这很重要

它证明了从出生起就天然极低的 LDL 水平与正常健康并不冲突,且对心脏病具有极强的保护作用。

心脏病是一种选择吗?阻止斑块形成的‘零风险’秘诀

家族史

定义

家族史是指您的近亲是否患过心脏病,以及他们发病时的年龄有多大。.

为什么这很重要

父母或兄弟姐妹过早患病(男性 55 岁以前,女性 65 岁以前)是一个有意义的警告信号。这可能反映了共同的基因、共同的习惯,或两者兼而有之,它应该促使您尽早进行检测。

双倍剂量:你的家谱是生物危险品吗?这里有拯救生命的信息

家族史索引

定义

家族史指数是遗传风险系数公式生成的数值结果;它将一个人家族树中的综合遗传心脏信号汇总为一个单一的分数,用于指导筛查决策。

为什么这很重要

了解该指数代表的含义有助于用户解读应用程序的结果,并将其向临床医生进行说明。

阅读:终于提出了正确问题的心脏健康应用

法尼醇 X 受体 (FXR)

定义

The farnesoid X receptor (FXR) is a nuclear bile acid receptor expressed predominantly in the liver and intestine that, among its many functions, regulates the activity of FMO3 — the hepatic enzyme responsible for converting TMA into TMAO — thereby influencing systemic TMAO levels.

为什么这很重要

FXR links bile acid signaling to TMAO metabolism, suggesting that liver health and diet composition together shape cardiovascular risk through this pathway.

牛排中的隐形毒素:肠道细菌如何引发心脏病

Farnesyl Pyrophosphate Synthase

定义

An enzyme in the mevalonate pathway that nitrogen-containing bisphosphonates inhibit; blocking it disrupts osteoclast function and is the primary mechanism by which bisphosphonates suppress bone resorption.

为什么这很重要

This shared target between bisphosphonates and the statin pathway (mevalonate pathway) is why bisphosphonates may have vascular effects beyond the skeleton.

阅读:骨质疏松症与心脏病

Fatty Acid Oxidation (FAO)

定义

A metabolic pathway in which cells break down fatty acids to generate ATP when preferred fuels like glucose are insufficient; during estrogen deficiency, the brain may shift toward FAO, which has been linked to white matter injury and increased ketone-body burden.

为什么这很重要

This alternative fuel-burning mode helps explain why prolonged menopause may affect brain structure and long-term cognitive resilience.

绝经 内分泌 心血管 风险

FELIC Study

定义

The Fate of Early Lesions in Children (FELIC) study examined aortic tissue from children aged 1 to 13 who died of non-cardiovascular causes and compared lesion sizes with those seen in fetal specimens, providing indirect evidence that some fetal fatty streaks regress after birth while also showing that children of hypercholesterolemic mothers accumulate lesions faster through childhood.

为什么这很重要

It is the key evidence that early arterial damage is not necessarily permanent—but also that maternal cholesterol during pregnancy leaves a lasting biological tendency.

先天性疾病

Fermented Dairy

定义

Dairy products such as yogurt, kefir, and aged cheese in which bacteria or molds have partially broken down lactose and proteins, altering the food's matrix and bioactive compound profile; Astrup's research cited in the article suggests saturated fat from fermented dairy does not carry the same cardiovascular risk as saturated fat from ultra-processed foods.

为什么这很重要

Distinguishing fermented from non-fermented dairy refines dietary advice beyond a simple 'avoid saturated fat' message and illustrates the food-matrix principle.

阅读:通过饮食治疗心脏病不仅是一种现代痴迷——它更是一种有数百万年进化历史支撑、并借助现代科学最先进手段的实践。

Fetal Programming

定义

The process by which the intrauterine environment—particularly maternal nutrition and metabolic state—permanently alters gene expression and metabolic set-points in the developing fetus, with lasting consequences for cardiovascular and metabolic health in later life.

为什么这很重要

It means a mother's cholesterol during pregnancy can leave a lasting biological imprint on her child's arteries before birth.

阅读:婴儿需要服用他汀类药物吗?

FFR (Fractional Flow Reserve)

定义

FFR is a catheter-based measurement of the pressure drop across a coronary artery narrowing during maximal blood flow; a value of 0.80 or below indicates that the blockage is significantly restricting blood flow and is used to decide whether a stent is physiologically justified.

为什么这很重要

FAME 2, a key trial in this article, used FFR guidance to select patients for stenting, making it important to understand what FFR measures and why it changes stenting decisions.

治疗生物学而非管道:心脏病学激进的新方法

FGF21 (Fibroblast Growth Factor 21)

定义

FGF21 is a myokine and metabolic hormone produced by muscle (and liver) during exercise that improves insulin sensitivity and glucose uptake by enhancing insulin signaling in target tissues. The article identifies it as one of the biochemical mediators through which strength training may reduce cardiovascular risk.

为什么这很重要

Better glucose handling reduces a key driver of atherosclerosis, linking muscle biology directly to heart protection.

阅读:举铁能帮助你的心脏泵血吗?

纤维

定义

纤维是植物性食物中人体无法消化的部分。它存在于豆类、燕麦、蔬菜、水果和全谷物中。.

为什么这很重要

Soluble fiber grabs onto bile in your gut and carries it out, which forces your liver to pull cholesterol from your blood to make more. That is a genuine cholesterol-lowering effect from food, not just a general healthy-eating claim.

素食主义真的能延年益寿吗?这是一个谎言吗?

纤维蛋白溶解

定义

纤溶过程是指机体通过酶解作用(通过酶解酶纤溶酶)溶解血栓的生理过程;Lp(a)通过与纤溶酶原竞争纤维蛋白结合位点来损害这一过程,从而降低血栓清除率并增加闭塞性心脏事件的风险。.

为什么这很重要

Understanding fibrinolysis clarifies the second major way Lp(a) raises heart attack risk, beyond its role in plaque formation.

载脂蛋白B、脂蛋白(a)与C反应蛋白在动脉粥样硬化进展中的综合动力学

Fibrinolytic Enzyme

定义

一种催化纤维蛋白分解、溶解血栓的蛋白质;纤溶活性与斑块清除不同,因为动脉斑块嵌入在血管壁中,而不是在血液循环中。.

为什么这很重要

Knowing the difference between clot dissolution and plaque regression is essential for evaluating any 'artery-clearing' supplement claim.

纳豆激酶与心血管斑块:人体研究的真实情况

纤溶单位 (FU)

定义

FU是衡量纳豆激酶补充剂溶栓活性的标准单位;每天2,000 FU是大多数商业瓶装产品上标注的剂量,也是NAPS试验中测试的剂量。.

为什么这很重要

Supplement labels express nattokinase potency in FU rather than milligrams, so recognizing this unit is necessary to compare products and study doses.

纳豆激酶与心血管斑块:人体研究的真实情况

Fibroatheroma

定义

纤维粥样斑块是一种中度至晚期动脉粥样硬化病变,其特征是在纤维帽下方存在真正的坏死核心;它代表了病情从脂纹期和病理性内膜增厚期向与临床事件相关的斑块结构进一步发展。.

为什么这很重要

Recognizing this stage in the lesion progression helps explain how decades of lipid retention and inflammation eventually create the plaques that cause heart attacks.

先天性疾病

Fibrotic Scar (Myocardial)

定义

Non-contractile fibrous tissue that replaces dead heart muscle after a myocardial infarction; because it lacks the electrical and mechanical properties of normal myocardium, it permanently impairs pumping function in the affected region.

为什么这很重要

Myocardial fibrotic scarring illustrates why even optimal secondary prevention cannot fully restore heart function after a heart attack, anchoring the article's discussion of biological inertia.

阅读:心脏病可以治愈吗?

Fibrous Cap Thickness (FCT)

定义

Fibrous cap thickness is the measured depth of the protective fibrous layer that separates a plaque's lipid core from the flowing blood; a thin fibrous cap is a hallmark of a vulnerable plaque at high risk of rupturing and triggering a heart attack.

为什么这很重要

Cap thickness tells you not just how much plaque is present but how dangerous it is — a thin cap over a large lipid pool is the anatomy of a heart attack waiting to happen.

阅读:饮食与药物,或者结果与逆转,哪个更重要?

Fick Principle

定义

The Fick principle states that maximal oxygen consumption equals cardiac output multiplied by the arteriovenous oxygen content difference; it provides the mathematical framework for separating how much of an athlete's aerobic decline is due to a weakening heart pump versus reduced oxygen extraction by the muscles.

为什么这很重要

Understanding this equation shows why both heart-pump capacity and muscle oxygen use must be maintained to preserve endurance performance with age.

体质好如何掩盖心脏病发作

Fifth Universal Definition of Myocardial Infarction

定义

A 2026 expert consensus document updating the criteria for diagnosing myocardial infarction, including prior or silent infarction; it adds that pathological Q waves have limited specificity and should where possible be confirmed by cardiac MRI with late gadolinium enhancement, and cautions that the term 'silent' can be misleading.

为什么这很重要

The updated definition directly shapes how clinicians and researchers classify and count silent heart attacks going forward.

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

Filippo Ganna (Professional Hour Record Reference)

定义

An elite professional cyclist who holds the UCI Hour Record for able-bodied men, representing the gold-standard benchmark against which amateur and para-athlete hour record performances are contextualised.

为什么这很重要

Comparing elite and masters or para performances illustrates the wide spectrum of cardiovascular and aerobic capacity in competitive cycling.

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

Fingesture Study

定义

一项基于芬兰尸检的研究系列,涉及 1998 年至 2017 年间连续 5,869 例心源性猝死;在既往无心血管病诊断的冠心病死亡病例中,42.4% 具有表明既往发生过无症状梗死的心肌瘢痕。

为什么这很重要

It quantifies how often undiagnosed heart damage precedes sudden cardiac death, but the article cautions that this is not the same as the risk of sudden death in a living person with a silent infarct.

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

第一对角支

定义

A side-branch artery that arises from the Left Anterior Descending (LAD) coronary artery and supplies blood to a portion of the left ventricular wall; in the Megdal study, the origin of the first diagonal branch showed the most dramatic regression—from severe stenosis (60–75%) in 2014 to a fully patent state in 2018.

为什么这很重要

This vessel is the single most striking example of reversal in the study, illustrating how complete healing of a dangerous blockage is possible.

阅读:冠状动脉疾病消退的专家血管造影评估:Megdal 序列血管造影 (2014–2018)

First-Degree Relative

定义

A biological family member who shares approximately 50 percent of an individual's genetic material, specifically parents, siblings, and children; cardiac events in first-degree relatives carry substantially more inherited risk signal than events in more distant relatives.

为什么这很重要

Whether the affected family member is a parent or sibling versus a grandparent or cousin changes how strongly that history should influence your own cardiac risk assessment.

双倍剂量:你的家谱是生物危险品吗?这里有拯救生命的信息

流-介导的血管扩张反应

定义

流介导的扩张是一种无创超声测量方法,用于评估导管动脉(通常为肱动脉)在血流量增加时扩张的程度,可作为内皮一氧化氮信号传导和内皮功能的标志物。.

为什么这很重要

It is one of the key measures used in vascular intervention studies to assess whether diet or drugs improve the health of the artery's inner lining.

阅读:饮食与药物,或者结果与逆转,哪个更重要?

FMO3 (Flavin-Containing Monooxygenase 3)

定义

FMO3 is a liver enzyme that converts the gut-derived gas TMA into TMAO; its activity is suppressed by insulin in healthy individuals but rises substantially when hepatic insulin resistance is present. The article frames FMO3 as a metabolic hub linking gut microbiome activity, liver function, and circulating TMAO levels.

为什么这很重要

FMO3 activity explains why people with metabolic disease have higher TMAO even without eating more red meat.

红肉正在通过你的肠道杀死你吗?关于TMAO的大骗局

泡孔

定义

泡沫细胞是一种免疫细胞,它吞噬了大量被捕获的胆固醇,导致其膨胀并在显微镜下呈现出泡沫状。.

为什么这很重要

These cells came to help, then got stuck and died where they sat. Piles of dead foam cells form the greasy center of a plaque. They are the reason plaque is as much an immune problem as a fat problem.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

食物基质

定义

食物基质是指全食物的物理和化学结构——细胞壁、纤维、蛋白质网络——它包裹着营养物质并与之相互作用;在完整的食物基质中摄入的脂肪(例如完整的杏仁与杏仁油相比),比以提取、纯化形式存在的相同脂肪吸收得更慢、更不完全。

为什么这很重要

It explains why eating nuts and avocados may have different metabolic effects than drizzling the equivalent amount of oil, and is central to the article's recommendation to get more fat from whole foods.

阅读:seed oils 是否健康,是真是假?

Founder Population

定义

创始人种群是指源自少数共同祖先的群体,这导致了遗传多样性的降低以及某些罕见变异频率的升高;在心血管遗传学中,诸如特定的冰岛或芬兰队列等创始人种群已被用于发现那些在异质性全球样本中因过于罕见而无法高效检测的心血管保护性变异。.

为什么这很重要

Studying isolated communities with shared ancestry can reveal rare genetic protections against heart disease far more efficiently than studying the general population.

心血管保护的遗传架构

Founder Variant

定义

A founder variant is a gene mutation that originated in a single ancestor and has reached an unusually high frequency in a genetically isolated population — such as the APOB R3500Q variant in the Old Order Amish — making that community a natural study group for understanding the long-term effects of the mutation.

为什么这很重要

Founder populations allow scientists to study the effect of a single genetic change across many individuals who share similar lifestyles, providing clearer evidence about lifelong cholesterol exposure and heart disease.

基因好能战胜血脂差吗?

FOURIER Trial

定义

FOURIER 试验评估了 PCSK9 抑制剂依洛尤单抗联合他汀类药物治疗的效果,证明了积极降低含 ApoB 颗粒可减少心血管事件;分析还显示,获得极低 LDL-C 但仍保持高 hs-CRP 的患者仍然面临升高的残余风险,这支持了动脉粥样硬化发生的双重风险模型。.

为什么这很重要

FOURIER showed that even ultra-low cholesterol does not fully protect you if inflammation remains high—both targets matter.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

傅里叶-奥勒

定义

FOURIER 试验的开放标签扩展研究追踪了接受依洛尤单抗治疗七年或更长时间的患者,发现即使在低密度脂蛋白胆固醇(LDL-C)维持在 20 mg/dL 以下的患者中,也能保持持续的认知稳定性。.

为什么这很重要

Long-term extension data are critical for ruling out slow-developing harms that a shorter trial might miss.

Read: Cholesterol: How Low is Too Low?

Fractional Flow Reserve

定义

血流储备分数通过测量狭窄病变前后的压力降,来判断它是否真的限制了血流。.

为什么这很重要

Eyeballing an angiogram is unreliable. A lesion that looks tight may pass plenty of blood, and stenting one that does not need it provides no benefit. This test decides which narrowings are worth treating.

治疗生物学而非管道:心脏病学激进的新方法

Framingham Offspring Cohort

定义

弗雷明汉后代队列研究是弗雷明汉心脏研究的第二代研究,招募了最初参与者的成年子女;它提供了纵向数据,将青年时期长达数十年的高脂血症暴露与随后的冠心病风险联系起来,且独立于中年时期的血脂水平。.

为什么这很重要

Its multi-decade follow-up makes it one of the few datasets capable of testing whether early exposure leaves a lasting cardiovascular imprint.

载脂蛋白B:更长、更高、更糟

弗 Framingham 风险评分

定义

The Framingham Risk Score is a specific ten-year heart-attack-risk calculator built from the Framingham Heart Study's decades of data — the original tool that turned "risk factors" into a number.

为什么这很重要

It's still widely cited, but it and its successors were built on older, less diverse populations, so they consistently underestimate risk in groups they weren't trained on — including highly fit masters athletes with real plaque burden.

阅读:冠状动脉钙化与运动风险

Frank-Starling Mechanism

定义

The Frank-Starling mechanism is the heart's intrinsic ability to increase the force of contraction when more blood fills the ventricle during diastole; master athletes exploit this by developing larger, more compliant ventricles that can pump greater stroke volumes even as maximum heart rate falls.

为什么这很重要

It explains how well-trained older athletes partially compensate for a lower maximum heart rate by squeezing more blood out with each beat.

体质好如何掩盖心脏病发作

Free Hormone Hypothesis

定义

The free hormone hypothesis is the principle that only the protein-unbound fraction of a hormone is able to cross cell membranes and exert biological effects, making the free (and loosely albumin-bound) fraction the physiologically relevant measure rather than total circulating concentration.

为什么这很重要

This concept underlies why doctors are increasingly urged to measure bioavailable rather than total testosterone.

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

游离睾酮

定义

Free testosterone is the small fraction (roughly 1–4% of total) that circulates unbound to any protein and can diffuse directly across cell membranes to activate the intracellular androgen receptor.

为什么这很重要

It is the most immediately active form of testosterone and a key component of bioavailable testosterone measurement.

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

FREEDOM Trial

定义

The Future Revascularization Evaluation in Patients with Diabetes Mellitus trial randomized 1,900 diabetic patients with multivessel coronary artery disease to PCI or CABG, finding that bypass surgery significantly reduced death and heart attack rates compared with stenting over up to 13 years.

为什么这很重要

It is the key evidence base for recommending bypass surgery over stenting in patients who have both diabetes and multiple blocked arteries.

治疗生物学而非管道:心脏病学激进的新方法

法国悖论

定义

The French Paradox is the observation that France had relatively low coronary heart disease mortality in the 1980s and 1990s despite high saturated fat consumption; analyses have attributed this apparent paradox to a time-lag in France's adoption of high-fat diets compared with other Western nations, systematic under-certification of CHD deaths by French physicians, and the cumulative nature of a…

为什么这很重要

The French Paradox has long been used to question the diet-heart link, so understanding why it is a statistical artifact rather than a genuine exception is important for evaluating nutrition claims.

胆固醇大谎言:揭露饮食行业的有组织否认

Friedewald Equation

定义

A widely used mathematical formula that estimates LDL cholesterol from total cholesterol, HDL cholesterol, and triglycerides rather than measuring it directly; it becomes unreliable when triglycerides are elevated or blood is drawn in a non-fasting state, which is one reason ApoB measurement is considered more accurate in certain patients.

为什么这很重要

Understanding this limitation explains why a 'normal' LDL-C result can still miss meaningful cardiovascular risk.

载脂蛋白B、脂蛋白(a)与C反应蛋白在动脉粥样硬化进展中的综合动力学

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G

G-Force (in Velodrome Turns)

定义

The effective gravitational load experienced by a rider when centripetal acceleration through a steeply banked curve adds to normal body weight; on a 40-degree banked track the combined force can approach twice the rider's resting body weight, increasing cardiovascular and musculoskeletal demand.

为什么这很重要

Elevated mechanical load during exercise directly increases cardiac workload and oxygen demand.

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

Gastrointestinal Hemorrhage

定义

Gastrointestinal hemorrhage is bleeding within the digestive tract, most commonly in the stomach or upper intestine; it is the most frequent serious bleeding complication of long-term aspirin use and often tips the benefit–risk balance against aspirin in primary prevention.

为什么这很重要

It is the main measurable harm seen in large primary-prevention aspirin trials, directly competing with the cardiovascular events the drug is meant to prevent.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

GATOR2 Complex

定义

A multiprotein complex that acts as a positive regulator of mTORC1 by transmitting leucine availability signals from Sestrin2 to the Rag GTPases, which then recruit mTORC1 to the lysosomal surface for activation.

为什么这很重要

GATOR2 is part of the precise molecular machinery that translates the leucine content of a meal into a muscle-building signal, relevant to understanding why protein quality matters in aging.

阅读:停止随着年龄增长而衰弱……新兴的抗衰老科学!

Gene Dosing Effect

定义

The gene dosing effect refers to the amplified probability of carrying a pathogenic cardiac variant when both parents have experienced early cardiac events; having two affected first-degree parents roughly doubles the inherited risk signal compared with one, raising the likelihood of a causative inherited mutation substantially.

为什么这很重要

It explains why the app treats two-parent cardiac histories as categorically more alarming than single-parent histories.

阅读:终于提出了正确问题的心脏健康应用

基因变异

定义

基因变异是指与大多数其他人相比,你的DNA中存在的微小差异。.

为什么这很重要

Some variants raise cholesterol, some lower it, and some barely matter. Studying people who were born with naturally low cholesterol has been one of the most powerful ways to prove that lowering it actually prevents heart attacks.

心血管保护的遗传架构

遗传学

定义

遗传学是研究你从父母那里遗传了什么科学。.

为什么这很重要

Your genes strongly influence your cholesterol, blood pressure, and how early plaque starts forming. What they do not do is seal your fate. Genes set your starting point and how fast the meter runs; what you do about it still changes the outcome.

基因好能战胜血脂差吗?

Genome-Wide Association Study (GWAS)

定义

A genome-wide association study (GWAS) scans hundreds of thousands to millions of genetic variants across the entire human genome to identify positions statistically associated with a trait or disease; in cardiovascular research, GWAS has identified common variants near genes such as HMGCR and NPC1L1 that implicate therapeutic targets even when each variant's individual effect is small.

为什么这很重要

GWAS is how researchers discovered most of the genetic links between specific proteins and heart disease risk.

心血管保护的遗传架构

Ghrelin

定义

ghrelin是一种主要由胃部产生的激素,能够刺激食欲并促进脂肪储存;睡眠不足会升高ghrelin水平,同时降低leptin水平,从而营造出一种增加热量摄入并促进内脏脂肪堆积的激素环境。.

为什么这很重要

Understanding ghrelin's role explains the biological mechanism linking poor sleep to weight gain and belly fat.

阅读:为什么腹部脂肪比你想象的更危险

格拉戈夫效应

定义

格拉戈夫效应(代偿性或向外重塑)是指动脉在管壁内积聚斑块时,其外径倾向于扩张,从而保持内腔大小和血流,直到斑块负荷变得非常大;这意味着在标准的血管造影中,可能存在明显的动脉粥样硬化而不会引起可测量的狭窄。.

为什么这很重要

The article uses this phenomenon to explain why trained athletes may feel perfectly well and still set personal records despite harboring substantial hidden coronary plaque.

阅读:耐力运动对动脉是有益还是有害?

格拉戈夫现象

定义

格拉戈夫现象(也称为代偿性或向外重构)是指动脉壁随着动脉粥样硬化斑块的积聚而向外扩张的趋势,从而在斑块负荷变得非常大之前保持内部管腔直径。由于在此代偿期管腔大小保持正常,因此即使存在大部…

为什么这很重要

This explains how a person can feel completely well and pass a stress test while carrying significant hidden arterial disease.

从子宫到逆转:消除一生的动脉损伤

Glomerular Filtration

定义

Glomerular filtration is the process by which the kidney's glomeruli — tiny capillary networks — filter waste products and small molecules, including TMAO, from the bloodstream into the urine; adequate glomerular filtration clears fish-derived TMAO within roughly 24 hours, whereas chronic kidney disease reduces this clearance and allows TMAO to accumulate.

为什么这很重要

This explains why people with kidney disease are especially vulnerable to TMAO-related cardiovascular and renal harm.

牛排中的隐形毒素:肠道细菌如何引发心脏病

GLP-1 Receptor Agonist

定义

GLP-1受容体激动剂是一种注射类药物——司美格鲁肽和替尔泊肽是其中最知名的两种——它们通过模仿一种控制食欲和血糖的肠道激素来发挥作用。.

为什么这很重要

They cause substantial weight loss, but the interesting finding is that they reduce heart attacks and strokes faster than the weight comes off. That suggests they are doing something to blood vessels directly, not just shrinking waistlines.

阅读:Ozempic 和 Mounjaro:在体重减轻之前先保护您的心脏

Glucocorticoid Receptor Resistance

定义

Glucocorticoid receptor resistance is a state in which cells become less responsive to cortisol's signalling, so the body's ability to regulate inflammation and other stress responses is impaired even when cortisol levels appear normal. The article lists it as one of the HPA dysregulation patterns associated with adverse cardiovascular phenotypes.

为什么这很重要

It explains why measuring cortisol in the blood can miss important stress-related biology — the problem may be in how cells respond, not just how much hormone is circulating.

阅读:压力会致命吗?冥想能救命吗?

Glycan

定义

A carbohydrate chain or sugar molecule attached to proteins or lipids on cell surfaces; Neu5Gc is incorporated into human cell-surface glycans after red meat consumption, where it is recognized by the immune system as foreign.

为什么这很重要

Glycans are the structural context in which Neu5Gc is displayed on cells, making this term essential to understanding how the immune reaction is triggered.

阅读:问答:你对红肉的热爱会有危险吗?

Glycemic Load

定义

血糖负荷:一种通过将食物的血糖生成指数与其所含碳水化合物的量相乘,来结合衡量一餐中碳水化合物质量和数量的指标;限制碳水化合物可以降低血糖负荷,并减少餐后血糖峰值。.

为什么这很重要

The article cites reduced glycemic load as one mechanism by which low-carb diets improve short-term glucose control in type 2 diabetes.

生酮饮食 vs. 全食植物性饮食:关于运动表现、胰岛素敏感性、逆转心脏病和长寿的硬核证据是什么?

Glycoconjugates

定义

Glycoconjugates are molecules—typically proteins (glycoproteins) or lipids (glycolipids)—to which sugar chains are covalently attached; sialic acids, including Neu5Gc from dietary red meat, are added to glycoconjugates in the Golgi apparatus and then displayed on cell surfaces.

为什么这很重要

The incorporation of foreign Neu5Gc into human glycoconjugates is the key step that transforms a dietary sugar into a target for immune attack on artery walls.

你的免疫系统在与你的牛排开战吗?

Glycosaminoglycan

定义

糖胺聚糖是长链的带负电荷的糖类,是动脉细胞外基质和斑块结缔组织的主要成分;在食蟹猴斑块中,它们是突出的结构成分,在富脂成分消退后依然存在。.

为什么这很重要

They are part of the fibrous scaffold that remains after treatment, explaining why plaques become denser and more stable rather than disappearing entirely.

Read: Can heart disease be reversed?

Glymphatic System

定义

类淋巴系统是脑内的一个血管周围废物清除网络,它利用沿血管壁流动的脑脊液来冲走代谢副产物(包括β-淀粉样蛋白和tau蛋白),这一过程主要在睡眠期间进行。.

为什么这很重要

Arterial stiffness disrupts the pulse-driven flow that powers this system, offering a direct mechanism by which vascular disease could cause amyloid buildup in the brain.

阿尔茨海默病其实始于你的动脉吗?

年级

定义

GRADE(推荐分级、评估、发展与评价)是一个广泛使用的框架,用于评定临床发现背后证据的确定性,根据研究设计、偏倚风险、一致性、直接性和结果精确度等因素,将其划分为高、中、低或极低。.

为什么这很重要

Knowing how GRADE works helps readers understand why two studies showing the 'same' result can still carry very different levels of confidence.

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

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H

风险比

定义

风险比用于比较两组事件发生的速度。0.75 的比率意味着治疗组的事件发生率是对照组的三分之四。.

为什么这很重要

It is a relative measure, so it says nothing about how common the event was to begin with. A hazard ratio of 0.5 sounds dramatic whether the risk fell from 40 percent to 20 or from 0.4 percent to 0.2.

载脂蛋白B:更长、更高、更糟

hCG (Human Chorionic Gonadotropin)

定义

Human chorionic gonadotropin is a hormone that mimics luteinizing hormone (LH), stimulating testicular Leydig cells to produce testosterone; in men on testosterone replacement therapy it is used to preserve intratesticular testosterone production and maintain spermatogenesis, which exogenous testosterone alone suppresses.

为什么这很重要

Men concerned about fertility or testicular atrophy during testosterone therapy need to understand the role hCG plays.

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

高密度脂蛋白

定义

HDL, or high-density lipoprotein, is the particle often called "good cholesterol." It picks up cholesterol from tissues and carries it back to the liver.

为什么这很重要

The nickname has aged badly. People with naturally high HDL are healthier, but drugs that raise HDL have repeatedly failed to prevent heart attacks. High HDL seems to be a sign of good health rather than a cause of it.

胆固醇:它有什么用?

HDL Cholesterol Efflux Capacity (CEC)

定义

A functional measure of HDL's ability to accept cholesterol from cholesterol-laden macrophages in arterial walls and transport it to the liver for removal; emerging evidence suggests CEC predicts cardiovascular risk more accurately than the simple blood concentration of HDL cholesterol.

为什么这很重要

A high HDL number on a standard test does not guarantee protection — what the HDL actually does matters more.

接受过治疗的心房颤动大师级运动员(50岁以上)的心血管风险管理与训练调整:专家报告

健康寿命

定义

Healthspan is the portion of a person's life spent in good health, free from serious disease, disability, or significant functional decline, as distinguished from total lifespan, which counts all years alive regardless of health status.

为什么这很重要

Focusing on healthspan rather than lifespan alone shifts the goal from simply living longer to living better for longer.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

Healthy Aging (Epidemiological Definition)

定义

A composite research endpoint used in long-term cohort studies—such as the Nurses' Health Study—defined as surviving to older age free from major chronic diseases (including cardiovascular disease), significant cognitive decline, and functional impairment; the 2024 Nurses' Health Study analysis found higher midlife plant-protein intake to be a significant predictor of this outcome.

为什么这很重要

Using 'healthy aging' as an endpoint captures cardiovascular benefit more completely than disease incidence alone, making it a stronger measure of dietary impact.

阅读:通过饮食治疗心脏病不仅是一种现代痴迷——它更是一种有数百万年进化历史支撑、并借助现代科学最先进手段的实践。

健康用户偏倚

定义

一个混淆现象:适度饮酒者往往具有更高的社会经济地位、更好的饮食习惯和更积极的生活方式,这使得酒精看起来具有保护作用,而它实际上可能只是其他促进健康行为的一个标志。.

为什么这很重要

It is one of the main reasons observational studies on alcohol and heart health can be misleading.

半满的玻璃杯:为什么科学正向“有益心脏健康”的饮酒习惯挥手告别

Heart Age Gap

定义

The difference between a person's biological heart age—estimated from electrocardiographic, vascular, or risk-factor models—and their chronological age; a positive gap indicates that the heart is functionally older than the calendar age and predicts higher cardiovascular risk and worse survival.

为什么这很重要

Seeing a concrete gap in 'years' is shown to motivate behavior change more effectively than abstract risk percentages.

你的心脏比你更老吗?逆转心血管年龄的科学

心脏病发作

定义

心脏病发作是指流向部分心肌的血液被切断,该部分心肌开始坏死。.

为什么这很重要

The usual trigger is not a slow closing of the artery. It is a plaque cracking open, with a clot forming on top in minutes. That is why heart attacks so often strike people who felt fine the day before, and why plaques too small to cause symptoms can still kill.

治疗生物学而非管道:心脏病学激进的新方法

Heart Disease Survivor

定义

A person who has been diagnosed with significant cardiac disease—such as severe atherosclerotic heart disease—and has not died from it, often implying they have managed or reversed their condition through medical treatment, lifestyle change, or both.

为什么这很重要

Understanding this term helps readers recognize that cardiac diagnoses are not always fatal or permanently disabling, and that meaningful recovery is possible.

Read: Peter Megdal sets new World Record

心力衰竭

定义

Heart failure means the heart cannot pump well enough to meet the body's needs. The name is misleading — it does not mean the heart has stopped.

为什么这很重要

It causes breathlessness, swollen legs, and fatigue. Common causes include past heart attacks, long-standing high blood pressure, and valve problems.

心率

定义

心率是指心脏每分钟跳动的次数。.

为什么这很重要

A lower resting rate usually reflects better fitness — trained endurance athletes often sit in the 40s. On its own, though, resting heart rate says very little about whether you have plaque.

Heart Rate Variability

定义

心率变异性(HRV)是指心跳之间时间间隔的自然逐搏变化,被用作自主神经系统平衡的无创测量指标——较高的变异性通常反映出更强的副交感神经(休息与消化)活动。文章将其列为冥想试验中测量的结果之一。.

为什么这很重要

HRV is frequently cited as a marker of stress resilience and cardiovascular health, so knowing what it actually measures helps you evaluate wearable-device claims.

阅读:压力会致命吗?冥想能救命吗?

Heat Tolerance (Thermoregulatory Acclimatization)

定义

The physiological adaptation to exercising in warm environments, including increased plasma volume, earlier onset of sweating, and reduced cardiovascular strain at a given temperature; athletes who train in cool climates lack this adaptation and experience greater heart-rate elevation and performance decline when competing in heat.

为什么这很重要

Poor heat tolerance raises cardiovascular stress during exertion, which is a meaningful risk factor for older athletes and heart patients exercising in warm conditions.

Peter Megdal 于 2021 年 10 月 14 日创造了全国小时计时赛纪录

海因茨·尼克斯多夫回顾性研究

定义

The Heinz Nixdorf Recall Study is a German population-based cohort study; a sub-analysis of 108 male marathon runners aged 50 and older found they had coronary artery calcium scores higher than risk-factor-matched controls despite lower Framingham Risk Scores, and that all coronary events during follow-up occurred exclusively in runners with CAC scores of 100 or above.

为什么这很重要

It was one of the first studies to formally show that standard risk calculators underestimate true plaque burden in highly trained athletes.

巅峰体能与隐形钙化:运动员的斑块积聚悖论

Hematocrit

定义

Hematocrit is the percentage of total blood volume occupied by red blood cells; in the context of testosterone therapy, a hematocrit exceeding approximately 54% signals erythrocytosis and may prompt dose adjustment.

为什么这很重要

It is the routine lab value used to detect the most common safety concern of testosterone replacement.

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

血红素铁

定义

The form of iron bound to hemoglobin and myoglobin in animal tissue, absorbed more efficiently than plant-derived non-heme iron; cited as one of the potentially harmful components of red meat contributing to cardiovascular and cancer risk.

为什么这很重要

It is one of several mechanisms beyond Neu5Gc by which red meat may raise disease risk, illustrating why the picture is complex.

阅读:问答:你对红肉的热爱会有危险吗?

Hemodynamically Significant Stenosis

定义

在应激状态下,冠状动脉狭窄程度足以导致血流减少并引发下游缺血,通常定义为管腔直径缩小70%或以上;低于这一阈值时,即使存在危险的软斑块,标准应激试验结果通常也会显示为正常。.

为什么这很重要

The article's central argument hinges on the fact that most heart attacks originate from lesions that never reach this threshold.

阅读:心脏病管理的未来

出血性卒中

定义

出血性中风是一种由脑内或脑周出血而非动脉阻塞引起的中风;由于阿司匹林会妨碍凝血,它会增加这种并发症的风险,这也是目前不鼓励低风险人群使用它的一个关键原因。.

为什么这很重要

This is one of the most serious harms aspirin can cause in healthy people, making it critical to weigh against its potential heart-protection benefits.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

Heparan Sulfate

定义

硫酸乙酰肝素是一种带负电荷的糖胺聚糖,类似于硫酸软骨素,存在于动脉细胞外基质的蛋白多糖上;它与硫酸软骨素一起,参与含ApoB-100的脂蛋白的静电结合,从而引发斑块形成。.

为什么这很重要

Understanding both types of arterial 'glue' clarifies why reducing circulating ApoB particles is the most direct way to prevent plaques from starting.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

Hepatic Beta-Oxidation

定义

The metabolic process in liver cells by which fatty acids are broken down within mitochondria to generate acetyl-CoA and energy; shorter-chain fatty acids such as C8:0 and C10:0 enter this pathway more readily than longer-chain saturated fats, which is the biochemical basis for the thermogenic effects ascribed to true MCT oils.

为什么这很重要

It explains why purified MCT oils and coconut oil behave differently in the body despite both being labeled 'MCT sources.'

椰子油作为健康食品的神话:行业如何左右你的饮食!

Hepatic First-Pass Metabolism

定义

肝首过效应是指口服药物从肠道吸收后,在到达全身之前直接输送至肝脏,并在此过程中被肝脏化学修饰的过程;对于口服雌激素而言,这会触发肝脏产生额外的凝血因子,从而增加血栓风险。.

为什么这很重要

It is the key reason transdermal patches carry a lower clot risk than estrogen pills — the patch bypasses the liver entirely.

阅读:新型雌激素贴片能预防心脏病吗?真相解析

Hepatic Glycogen

定义

肝糖原是储存在肝细胞中的葡萄糖形式;当其耗尽时——就像在碳水化合物限制期间发生的那样——肝脏会转向增加极低密度脂蛋白(VLDL)颗粒的生成和分泌,以输出脂肪作为燃料,脂质能量模型认为这解释了生酮饮食中低密度脂蛋白胆固醇(LDL-C)升高的原因。.

为什么这很重要

It is the metabolic trigger at the center of the Lean Mass Hyper-Responder explanation for high LDL on low-carb diets.

阅读:胆固醇大谎言(第二部分)

Hepatic Lipase

定义

肝脂肪酶是肝脏产生的一种酶,能水解循环中富含甘油三酯的低密度脂蛋白(LDL)颗粒,将其转化为更小、更密的LDL;其活性在胰岛素抵抗状态下会上调,从而加速小而密LDL的生成以及LDL-C与载脂蛋白B(ApoB)的不一致性。.

为什么这很重要

Understanding hepatic lipase explains the metabolic pathway through which diabetes and obesity drive a more dangerous LDL particle profile.

为什么你‘正常’的胆固醇其实是一个警告信号

Heterozygous Familial Hypercholesterolemia (HeFH)

定义

杂合子家族性高胆固醇血症是导致低密度脂蛋白(LDL)胆固醇严重升高的较常见遗传性病症,约每311人中就有1人患病,其特征为LDL受体基因的一个拷贝存在缺陷; 若不加以治疗,患病者患冠心病的风险将增加约13倍,且约50%的男性患者在50岁前会发生心肌梗死。.

为什么这很重要

HeFH serves as a benchmark for understanding how decades of high LDL exposure translates into cardiovascular risk—and how the index patient's shorter exposure compares.

Read: Does metabolic health protect you from high cholesterol?

Hierarchical Testing

定义

A pre-specified statistical strategy in clinical trials in which secondary and exploratory endpoints are tested in a fixed order, and an endpoint can be declared statistically significant only if all preceding endpoints in the sequence also reached significance. In VESALIUS-CV, all-cause mortality was exploratory because coronary death did not reach significance before it in the hierarchy.

为什么这很重要

It explains why the 20% mortality reduction in VESALIUS-CV counts as a hypothesis rather than a proven result.

阅读:预防你的第一次心脏病发作

高强度间歇训练(HIIT)

定义

高强度间歇训练是一种结构化的锻炼方法,它交替进行短时间的接近最大强度的运动(通常为峰值心率的85%–95%)与主动恢复或休息阶段。 在心血管领域,HIIT方案已被作为一种非药物干预手段进行研究,旨在减轻斑块负担并改善心脏功能。.

为什么这很重要

HIIT is the specific exercise format shown in the CENIT trial to rival medication in reducing coronary plaque.

阅读:运动不会消除动脉斑块——它会使其石化!

高强度他汀类药物

定义

高强度他汀类药物是指预计能将低密度脂蛋白降低50%或更多的剂量——在实践中,即较高剂量的阿托伐他汀或瑞舒伐他汀。.

为什么这很重要

Guidelines call for this level after a heart attack or in very high-risk patients, rather than starting low and slowly working up. The size of the reduction is what drives the benefit.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

High-Oleic Oils

定义

High-oleic oils are cultivar-bred versions of conventional seed oils—such as high-oleic sunflower or safflower—in which oleic acid (a monounsaturated fat) replaces most of the linoleic acid, making them considerably more resistant to oxidation and heat degradation than their standard counterparts.

为什么这很重要

They offer a practical middle ground between conventional seed oils and olive oil for cooking at higher temperatures.

阅读:seed oils 是否健康,是真是假?

High-Risk Plaque Morphology

定义

高危斑块形态描述了在冠状动脉CTA(CCTA)上可见的特定结构特征——包括大的低衰减坏死核心、薄弱或破裂的纤维帽、正性重构以及点状钙化——这些特征可识别最容易破裂并导致急性心肌梗死的斑块。.

为什么这很重要

It is why a CCTA provides more clinically useful information than simply knowing whether an artery is narrowed.

医生没有为你开具的心脏检查

高敏C反应蛋白

定义

通过比标准检测更高的精确度测量CRP来检测低度全身性炎症(通常为0.5–10 mg/L)的血液检测;高于3.0 mg/L的水平表明高度心血管风险,一项针对近28,000名女性为期30年的研究发现,它比LDL胆固醇更能强烈地预测心脏事件。.

为什么这很重要

It reveals whether silent inflammation is actively destabilizing plaques, a risk that a standard cholesterol panel cannot show.

炎症、脂蛋白与以低密度脂蛋白(LDL)为中心的时代的终结

High-Sensitivity Troponin (hs-Tn)

定义

高敏感肌钙蛋白是一种超敏感的血液检测,能够检测出极微量的肌钙蛋白——这是一种在心肌细胞受损时释放的蛋白质——从而能够识别出远低于老旧检测方法可检测阈值的微小、亚临床型心肌损伤。.

为什么这很重要

It can reveal that the heart is already being quietly harmed even in people with no chest pain or other symptoms.

医生没有为你开具的心脏检查

Histologic Plaque Regression

定义

通过对组织的直接显微镜检查,证实了动脉脂质含量和炎性细胞浸润的减少,这正如在非人类灵长类动物实验中所证明的那样:将高胆固醇饮食转换为低脂饮食会导致动脉脂质储量出现可测量的减少。.

为什么这很重要

Histologic evidence from animal models provides the biological proof that diet alone can physically reverse the cellular makeup of a plaque.

Read: Reversal of Coronary Atherosclerosis: Mechanistic Insights from Human and Primate Studies

HMG-CoA Reductase

定义

HMG-CoA reductase is the rate-limiting enzyme in the liver's cholesterol biosynthetic (mevalonate) pathway; statins work by competitively blocking it, reducing the liver's own cholesterol production and prompting it to pull more LDL out of the bloodstream.

为什么这很重要

Understanding what statins actually block explains both how they lower LDL and why their side effects are tied to this specific biochemical pathway.

我应该服用降胆固醇药吗?当然应该。.

HMGCR

定义

HMGCR是编码HMG-CoA还原酶的基因,该酶是合成胆固醇的限速步骤催化酶。它是所有他汀类药物的确切靶点。.

为什么这很重要

People born with a naturally less active version have lower cholesterol and fewer heart attacks — essentially a lifelong, low-dose statin from birth. That genetic evidence is why statins are trusted as causal, not just correlated.

我应该服用降胆固醇药吗?当然应该。.

HMGCR Locus

定义

The gene encoding HMG-CoA reductase, the rate-limiting enzyme in cholesterol synthesis and the target of statin drugs; genetic variants at this locus that lower LDL-C have been used in Mendelian randomization studies alongside PCSK9 variants to assess Alzheimer's disease risk, with neutral findings.

为什么这很重要

Including HMGCR alongside PCSK9 in genetic analyses helps distinguish whether any brain risk is specific to the PCSK9 pathway or a general consequence of lower LDL.

Read: Cholesterol: How Low is Too Low?

HNF-4α (Hepatocyte Nuclear Factor 4-Alpha)

定义

HNF-4α is a liver transcription factor that drives hepatic SHBG gene expression; it is suppressed by hyperinsulinemia and fructose-driven lipogenesis, which is why high sugar intake and insulin resistance lower SHBG, and stimulated by thyroid hormones, which is why hyperthyroidism raises SHBG.

为什么这很重要

Understanding HNF-4α links diet and metabolic health directly to how much testosterone your body can actually use.

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

Holding Device (Track Start Gate)

定义

A fixed mechanical apparatus at the start line of a velodrome time trial that grips the bicycle and holds it stationary until the official countdown reaches zero, allowing the rider to clip in and apply force before release.

为什么这很重要

Relevant context for understanding the explosive cardiovascular demand at the very start of a maximal aerobic effort.

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

假日心脏综合征

定义

The phenomenon in which binge alcohol consumption triggers acute atrial fibrillation or other arrhythmias, classically observed after holiday celebrations; it demonstrates that even isolated episodes of heavy drinking can destabilize the heart's electrical system without requiring underlying structural disease.

为什么这很重要

It shows that you do not need to be a chronic drinker for alcohol to cause a dangerous irregular heartbeat.

半满的玻璃杯:为什么科学正向“有益心脏健康”的饮酒习惯挥手告别

稳态模型评估胰岛素抵抗指数

定义

HOMA-IR (Homeostatic Model Assessment of Insulin Resistance) is a calculated index derived from fasting blood glucose and fasting insulin levels used to estimate a person's degree of insulin resistance; lower values indicate better insulin sensitivity.

为什么这很重要

It provides a simple way to track metabolic health beyond standard glucose or A1c tests.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

同型半胱氨酸

定义

一种含硫氨基酸,当维生素B12或叶酸缺乏时,其血液浓度会上升;同型半胱氨酸水平升高通过对内皮功能和血管完整性的影响,与血管风险增加(包括中风)相关。.

为什么这很重要

The article identifies B12-driven elevated homocysteine as a plausible mechanism linking vegetarian diets to higher hemorrhagic stroke risk in some populations.

素食主义真的能延年益寿吗?这是一个谎言吗?

Homocystinuria

定义

一种罕见的遗传性代谢病,通常由胱硫醚 $\beta$-合酶(CBS)缺乏引起,特征是同型半胱氨酸积聚达到严重水平(超过 100 µmol/L);若不治疗,常在 30 岁之前引起过早且严重的血管疾病和血栓栓塞。.

为什么这很重要

It is the only condition where homocysteine is established as a direct cause of arterial damage, which is why distinguishing it from mild elevation matters so much.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

纯合子型家族性高胆固醇血症

定义

纯合子家族性高胆固醇血症(简称HoFH)是一种罕见且严重的遗传性高胆固醇血症,患者从双亲而非单亲那里遗传了致病基因。.

为什么这很重要

Cholesterol levels can be four to eight times normal from birth. Without aggressive treatment, these children can develop the arteries of a 60-year-old before they finish school. It is the most extreme demonstration of what lifelong cholesterol exposure does.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

HOPE-2 Trial

定义

A randomized controlled trial of 5,522 people with established vascular disease or diabetes that tested daily supplementation with folic acid, B-6, and B-12 for approximately five years; homocysteine fell as expected but the primary composite cardiovascular endpoint did not improve.

为什么这很重要

One of the largest and most influential trials confirming that lowering homocysteine with B vitamins does not reduce heart attack risk.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

HOPE-3 Trial

定义

A randomized trial of rosuvastatin 10 mg versus placebo in approximately 12,705 people at intermediate cardiovascular risk, many of whom had average or below-average LDL cholesterol. Over 5.6 years it showed a 24% relative reduction in the primary composite endpoint of cardiovascular death, myocardial infarction, or stroke.

为什么这很重要

HOPE-3 is one of the key trials showing that lipid lowering benefits primary-prevention patients who are not at the highest risk levels.

阅读:预防你的第一次心脏病发作

HORIZON Pivotal Fracture Trial

定义

A large randomized trial of annual intravenous zoledronic acid in postmenopausal women that found significant fracture reduction but also an unanticipated excess of serious atrial fibrillation (1.3% vs 0.5% placebo); it is the primary source of the atrial fibrillation signal associated with intravenous bisphosphonates.

为什么这很重要

This trial is why cardiac patients and their doctors worry about zoledronic acid — understanding its actual findings helps distinguish a real but modest arrhythmia signal from ischemic heart risk.

阅读:牙龈疾病与心脏病

HORIZON Recurrent Fracture Trial (HORIZON-RFT)

定义

A randomized trial of annual intravenous zoledronic acid administered to patients after surgical repair of a hip fracture; it reduced new clinical fractures by 35% and, unexpectedly, all-cause mortality by 28%, making it the source of a still-unexplained mortality benefit associated with bisphosphonate therapy in the post-hip-fracture population.

为什么这很重要

The mortality reduction seen in HORIZON-RFT challenges the assumption that fracture prevention alone explains the benefits of bisphosphonates, and it matters for cardiac patients weighing risks against benefits.

阅读:骨质疏松症与心脏病

激素替代疗法

定义

激素替代疗法(简称 HRT)为更年期雌激素水平下降的女性补充雌激素(有时会同时补充孕激素)。.

为什么这很重要

The story here has swung wildly. Early studies suggested it protected the heart, a large trial then suggested harm, and closer analysis showed that timing and delivery method matter enormously. Starting near menopause with a patch looks very different from starting fifteen years later with a pill.

阅读:新型雌激素贴片能预防心脏病吗?真相解析

Hormone-Sensitive Lipase (HSL)

定义

激素敏感脂肪酶是脂肪细胞中的一种酶,能将储存的甘油三酯分解为游离脂肪酸;胰岛素通常在餐后对其进行抑制,但在胰岛素抵抗情况下,这种抑制会失效,导致脂肪酸持续释放进入血液循环。.

为什么这很重要

Understanding HSL explains the biochemical link between insulin resistance and the liver's overproduction of dangerous lipoprotein particles.

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

Horus Study

定义

The Horus study used CT imaging to assess 137 mummies from four ancient populations spanning more than 4,000 years, finding probable or definite atherosclerosis in 34 percent, demonstrating that arterial disease predates modern industrialized diet and lifestyle.

为什么这很重要

It complicates the narrative that atherosclerosis is purely a modern disease while still leaving open the question of what environmental factors accelerate it.

先天性疾病

亨氏单位(HU)

定义

CT成像中使用的标准化放射密度标度,其中水的密度定义为0 HU,密度更高的物质记录更高的值;在冠状动脉钙化(CAC)评分中,应用阿加特森(Agatston)方法时,采用≥130 HU的阈值来识别钙化性冠状动脉斑块。.

为什么这很重要

Understanding this unit explains why a CAC scan can detect calcified plaque but misses softer, less dense deposits.

零的力量:没有钙 – 没有风险?

小时纪录

定义

一项竞技自行车比赛项目,运动员试图在自行车馆的赛道上在恰好一小时内骑行尽可能远的距离;该项目由国际自行车联盟(UCI)管理,被广泛认为是耐力运动中对体能要求最高的壮举之一。

为什么这很重要

Context for understanding the elite athletic background Peter Megdal brought to his cardiac rehabilitation and research.

阅读:《重新思考心脏健康:彼得·梅格达尔如何将一纸诊断转化为推动变革的使命》

HPA Axis (Hypothalamic-Pituitary-Adrenal Axis)

定义

The HPA axis is the hormonal cascade — running from the brain's hypothalamus to the pituitary gland to the adrenal glands — that governs the body's cortisol stress response. The article argues that dysregulation of this axis (flattened daily rhythms, altered reactivity) is a more accurate model of stress-related cardiovascular risk than simply having persistently high cortisol.

为什么这很重要

Most stress-and-heart coverage focuses on cortisol levels alone; knowing the whole axis is involved explains why simple cortisol tests are not useful for assessing heart risk.

阅读:压力会致命吗?冥想能救命吗?

HPS2-THRIVE Trial

定义

一项大型随机试验评估了在基础他汀类药物治疗中添加缓释烟酸加拉罗匹潘能否减少高危患者的主要血管事件;结果发现其没有显著的心血管获益,并发现严重不良事件发生率增加,这实际上终结了烟酸作为主流心血管疗法的地位。.

为什么这很重要

This trial is a key reason cardiologists stopped trying to raise HDL and refocused entirely on lowering ApoB.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

hs-CRP (High-Sensitivity C-Reactive Protein)

定义

High-sensitivity C-reactive protein is an ultra-sensitive blood assay for C-reactive protein, a marker produced by the liver in response to systemic inflammation. In cardiovascular medicine, elevated hs-CRP independently predicts ASCVD events and is used to gauge whether ongoing arterial inflammation is amplifying the risk posed by lipid burden.

为什么这很重要

Measuring the inflammatory 'fire' alongside cholesterol gives a more complete picture of plaque instability and helps guide decisions about additional preventive treatment.

从子宫到逆转:消除一生的动脉损伤

hsCRP (High-Sensitivity C-Reactive Protein)

定义

hsCRP is a blood marker of systemic inflammation measured with a highly sensitive assay; it independently predicts cardiovascular events and rises with conditions such as obesity, insulin resistance, and kidney disease. The article notes that TMAO correlates with hsCRP, making inflammation another potential confounder in studies associating high TMAO with heart disease.

为什么这很重要

Separating TMAO's signal from that of inflammation is critical to understanding whether the molecule itself—or the inflamed state it accompanies—drives risk.

红肉正在通过你的肠道杀死你吗?关于TMAO的大骗局

Hunter-Gatherer Societies

定义

Pre-agricultural human communities that obtain food by hunting animals, fishing, and gathering wild plants rather than farming; ethnographic data from 229 such societies shows a median of roughly 55–65% of calories from animal foods, a figure Cordain uses to define a plausible ancestral protein target.

为什么这很重要

Ancestral diet patterns are the empirical foundation of the Paleo dietary framework.

阅读:蛋白质辩论

Hyper-Absorber

定义

高吸收者是指肠道通过 NPC1L1 介导的转运,从饮食和循环胆汁中吸收异常高比例肠腔胆固醇的个体。这些人对他汀类药物单独治疗的反应不如对阻断肠道 NPC1L1 的依折麦布反应好。

为什么这很重要

If you are a hyper-absorber, targeting the gut rather than the liver's synthesis machinery is the more efficient way to lower LDL.

百万美元分子:为什么你的身体为胆固醇付出巨资

Hyper-Synthesizer

定义

高合成者是指肝脏和外周组织内源性产生异常大量胆固醇的个体,这种产生通常与饮食摄入无关。这些人往往对抑制 HMG-CoA 还原酶的他汀类药物反应良好,但对饮食胆固醇限制反应较差。

为什么这很重要

Knowing you are a hyper-synthesizer explains why cutting eggs from your diet barely moves your LDL and why your doctor may prioritise a statin instead.

百万美元分子:为什么你的身体为胆固醇付出巨资

Hyperaminoacidemia

定义

Hyperaminoacidemia is the transient rise in blood amino acid concentrations that follows a protein-containing meal; it is the primary nutritional signal that stimulates mTORC1 and muscle protein synthesis. In older adults, a blunted anabolic response to hyperaminoacidemia is a defining feature of anabolic resistance.

为什么这很重要

It is the physiological trigger that protein meals are designed to produce, and understanding it clarifies why meal size and leucine content matter.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

高胆固醇血症

定义

高胆固醇血症是指血液中携带胆固醇的颗粒水平异常升高,通常在灵长类动物实验中通过喂食高膳食胆固醇和饱和脂肪的饮食引起,并与动脉壁上斑块形成的加速有关。.

为什么这很重要

The entire mechanism of plaque reversal in this article turns on lowering hypercholesterolemia, so the term is central to understanding the research.

Read: Can heart disease be reversed?

高血糖

定义

血糖浓度异常升高;由于它会加速青少年和青年动脉病变的进展,因此被列为PDAY评分系统中可干预的危险因素之一。.

为什么这很重要

Knowing that high blood sugar contributes to artery damage even in teenagers reinforces why metabolic health matters from an early age.

阅读:婴儿需要服用他汀类药物吗?

Hyperhomocysteinemia

定义

血液中的同型半胱氨酸水平升高,分为轻度(15–30 µmol/L)、中度(30–100 µmol/L)或重度(100 µmol/L 以上);其与心血管疾病的因果关系仅在浓度达到重度时才得到充分证实。.

为什么这很重要

Knowing the severity classification tells you whether a high reading on your blood test is in the range where treatment has actually been shown to matter.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

肥厚型心肌病

定义

肥厚型心肌病是一种遗传性疾病,其特征是心肌异常增厚。.

为什么这很重要

It is a leading cause of sudden cardiac death in young athletes. The difficulty is that a trained heart is also thicker than average, so telling healthy adaptation from disease takes careful specialist assessment.

如何避免英年早逝

高尿酸血症

定义

血液中尿酸水平升高,这可能诱发痛风和肾结石;在 CLEAR Outcomes 试验中,它被确定为贝派地酸的一个显着不良反应,这使其安全性特征与他汀类药物有所不同。.

为什么这很重要

Knowing about hyperuricemia helps patients and clinicians weigh bempedoic acid's muscle-friendly advantages against its specific metabolic side effect.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

Hypoxic Burden

定义

A physiological dose metric for sleep apnea that captures the depth, duration, and frequency of oxygen desaturation events, calculated as the area under the oxygen-desaturation curve; it has been more consistently associated with cardiovascular mortality than AHI in several large cohorts.

为什么这很重要

Two people with the same AHI can carry very different cardiovascular risk depending on how far their oxygen actually falls during each event.

阅读:睡眠与您的心脏

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I

I² Statistic

定义

A measure of statistical heterogeneity in a meta-analysis expressing the percentage of variation across studies that reflects true differences rather than chance; the Larvin analysis reported I² = 97.3%, meaning the included studies disagreed substantially with one another, which weakens the interpretation of any single pooled estimate.

为什么这很重要

Extreme heterogeneity signals that lumping diverse studies into one number may be misleading, a critical caveat when evaluating the gum–heart association.

阅读:牙龈疾病与心脏病

ICELAND MI Study

定义

An Icelandic cohort study of adults aged 67–93 that used cardiac MRI with late gadolinium enhancement alongside ECG to compare rates of unrecognized myocardial infarction; MRI found unrecognized infarction in 17% of participants versus 5% by ECG alone, and unrecognized infarctions outnumbered diagnosed ones roughly two to one.

为什么这很重要

The study is the clearest demonstration that the method of detection, not just the biology, drives how common 'silent' heart attacks appear to be.

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

ICONIC Trial

定义

一项冠状动脉CT血管造影研究,对有症状且冠脉钙化评分(CAC)为零、随后发生急性综合征的患者体内的特定斑块成分进行了定量分析,结果显示,与未发生事件的匹配对照组相比,这些患者的纤维斑块、纤维脂质斑块和坏死核心斑块体积明显更大。.

为什么这很重要

ICONIC provides the most granular evidence that dangerous vulnerable plaque can exist even when no calcium is detectable.

零的力量:没有钙 – 没有风险?

Icosapent Ethyl

定义

二十碳五烯酸乙酯是欧米伽-3脂肪酸EPA的一种高纯度、大剂量形式,以Vascepa的商品名销售。.

为什么这很重要

Unlike ordinary fish oil it reduced events in a major trial. The result is debated, because the placebo used may itself have been harmful, and other purified omega-3 trials have been negative.

阅读:心脏病与鱼油

Idiopathic Left Ventricular Hypertrophy

定义

Idiopathic left ventricular hypertrophy is thickening of the heart's main pumping chamber wall that exceeds normal limits but for which no genetic variant, structural diagnosis, or external cause can be identified; it accounted for approximately 17% of adjudicated SCD cases in the NCAA dataset and sits at the boundary between athlete's heart and overt cardiomyopathy.

为什么这很重要

It represents the difficult diagnostic grey zone where distinguishing normal athletic adaptation from silent disease is hardest and the stakes are highest.

如何避免英年早逝

iFR (Instantaneous Wave-Free Ratio)

定义

Instantaneous wave-free ratio is an invasive catheter-based index that measures the pressure drop across a coronary stenosis during a specific resting phase of the cardiac cycle, providing a wire-based assessment of whether a blockage is hemodynamically significant without the need for pharmacological stress. Like FFR, it guides decisions about whether a stenosis warrants intervention.

为什么这很重要

In athletes where non-invasive tests may be equivocal, iFR offers a precise, catheter-based answer about whether a narrowing is actually limiting blood flow to the heart.

运动如何阻断疼痛:运动员心脏的致命秘密

IGF-1 (Insulin-Like Growth Factor 1)

定义

IGF-1 is a hormone produced mainly by the liver in response to dietary protein and growth hormone; it promotes cell growth and division throughout the body. Elevated IGF-1 is beneficial for muscle maintenance in older adults but has also been associated in observational studies with increased cancer risk in middle-aged adults, which is why high protein intake before age 65 carries a different ris…

为什么这很重要

IGF-1 is the key hormonal link between a high-protein diet and both its muscle-building benefits and its potential cancer-related risks.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

Ikaria (Blue Zone Reference)

定义

A Greek island frequently cited in longevity research as a population with unusually low rates of heart disease and long life expectancy; epidemiologists attribute this partly to a predominantly plant-based, low-saturated-fat Mediterranean diet combined with active lifestyles.

为什么这很重要

Population data from places like Ikaria provide real-world evidence supporting the dietary approach the author adopted.

资深运动员的心脏病:我是如何逆转动脉阻塞并在65岁打破世界纪录的

IL-1β (Interleukin-1 Beta)

定义

IL-1β is a pro-inflammatory cytokine released by activated macrophages—particularly after NLRP3 inflammasome assembly—that amplifies local plaque inflammation and stimulates IL-6 production, which in turn drives hepatic CRP synthesis; Mendelian randomization evidence supports IL-1β signaling as a causal driver of ASCVD risk rather than a mere marker.

为什么这很重要

IL-1β is the upstream 'fire' that CRP merely signals; targeting it (as the CANTOS trial did with canakinumab) reduced cardiovascular events independent of cholesterol lowering.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

IL-6 Receptor (IL6R) Pathway

定义

The interleukin-6 receptor (IL6R) pathway mediates the inflammatory signalling of IL-6; Mendelian randomization studies of the Asp358Ala variant in IL6R show that attenuating this pathway reduces coronary heart disease risk independently of lipid levels, supporting a causal role for inflammatory signalling in plaque progression.

为什么这很重要

It illustrates that cardiovascular risk is not solely determined by particle burden — inflammatory biology operates as a partly independent modifier of atherosclerosis.

基因好能战胜血脂差吗?

IL-6 Trans-Signaling

定义

A mode of interleukin-6 signaling in which IL-6 binds to its soluble receptor (sIL-6R) rather than the membrane-bound form, allowing the complex to activate the signal-transducing subunit gp130 on virtually any cell type, including vascular endothelial cells that would not otherwise respond to IL-6.

为什么这很重要

Trans-signaling extends inflammation to the artery wall; variants that reduce it help explain genetic protection against atherosclerosis.

阅读:基因彩票:为什么你不能指望自己“刀枪不入”

成像陷阱

定义

The Imaging Trap is the clinical scenario in which a patient with significant inherited cardiac risk receives a zero Coronary Artery Calcium score and is falsely reassured, when in reality dangerous soft non-calcified plaque may already be present and detectable only by Coronary CT Angiography.

为什么这很重要

It is the central clinical hazard the app is designed to help users recognize and avoid.

阅读:终于提出了正确问题的心脏健康应用

Imbalanced Intervention

定义

失衡干预是临床试验中的一种方法学缺陷,即不同研究组接受的支持水平存在显著差异(例如,一组提供免费食物和高强度指导,而另一组只提供一份信息手册),这导致无法将结果的差异仅仅归因于饮食干预本身。.

为什么这很重要

Recognizing this flaw in PREDIMED is essential for correctly interpreting what that trial does and does not prove about the Mediterranean diet.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

Immuno-Lipidology

定义

A framework for understanding atherosclerosis that integrates immunology and lipid biology, viewing plaque not as passive fat accumulation but as a chronic inflammatory response driven by the immune system's reaction to retained lipoproteins in the arterial wall.

为什么这很重要

It explains why patients with 'normal' cholesterol still have heart attacks—the immune response to trapped particles matters as much as the particles themselves.

炎症、脂蛋白与以低密度脂蛋白(LDL)为中心的时代的终结

Immunosenescence

定义

The age-related decline in immune system function, including reduced capacity to clear damaged cells and resolve inflammation, which allows atherosclerotic plaques to persist and enlarge rather than be kept in check.

为什么这很重要

Recognizing that the immune system weakens with age clarifies why plaque management becomes harder as we get older.

Read: How Does Age Affect Atherosclerosis? A Q&A Explainer

Immunoturbidimetric Assay

定义

A laboratory technique that measures protein concentration by detecting how much a sample scatters light after adding a specific antibody; both ApoB and Lp(a) are routinely quantified this way, providing direct measurements that do not rely on calculated estimates.

为什么这很重要

Knowing that ApoB is directly measured—not calculated—helps explain why it is more reliable than Friedewald-derived LDL-C in many clinical situations.

载脂蛋白B、脂蛋白(a)与C反应蛋白在动脉粥样硬化进展中的综合动力学

IMPACT Model

定义

IMPACT模型是一种流行病学工具,通过将危险因素趋势数据与各项干预措施有效性的证据相结合,用于评估冠心病死亡率的观察降幅中,有多少可以归因于人群危险因素的变化,多少可以归因于药物治疗。.

为什么这很重要

IMPACT-type analyses are the main source for claims about what fraction of the heart-disease decline came from prevention versus medicine — understanding the model helps you judge those percentages critically.

心血管疾病史

IMPROVE-IT

定义

IMPROVE-IT 研究在心脏病发作后于他汀类药物的基础上加用了依折麦布,旨在测试通过非他汀机制降低低密度脂蛋白(LDL)是否有助于改善病情。.

为什么这很重要

It did. That mattered enormously, because it showed the benefit comes from the lower LDL itself rather than from something special about statins.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

In-Stent Thrombosis

定义

冠状动脉支架内形成血栓,这是一种潜在的致命并发症,在使用药物洗脱支架时更为常见,因为药物会延缓内皮细胞对金属支架的完全覆盖。.

为什么这很重要

In-stent thrombosis is one of the main reasons patients with stents must take antiplatelet drugs indefinitely.

阅读:心脏支架的细节

英克利西兰

定义

英克司兰(Inclisiran)是一种降胆固醇注射液,在前两剂之后,每年仅需注射两次。.

为什么这很重要

Instead of blocking a protein the way other drugs do, it tells the liver to stop making that protein in the first place. Twice-yearly dosing solves the biggest weakness of daily pills, which is that people forget to take them.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

Incomplete Apposition

定义

支架贴壁不良.

为什么这很重要

Incomplete apposition is a recognized mechanical cause of late in-stent thrombosis and illustrates why precise stent sizing and deployment matter.

阅读:心脏支架的细节

Incretin

定义

Incretins are gut-derived hormones — principally GLP-1 and GIP — released after eating that amplify insulin secretion in a glucose-dependent manner; the drug classes discussed throughout this article are designed to mimic or enhance incretin signaling, hence the umbrella term 'incretin-based therapies.'

为什么这很重要

The word 'incretin' appears repeatedly in the clinical section as the unifying category for these drugs, and knowing its meaning clarifies how they all relate to each other.

阅读:Ozempic 和 Mounjaro:在体重减轻之前先保护您的心脏

Incretin Therapy

定义

Incretin therapies are a class of drugs — including GLP-1 receptor agonists such as semaglutide and tirzepatide — that mimic gut hormones to lower blood sugar, reduce appetite, and promote weight loss. The article identifies them as central to the 'cardiometabolic revolution' likely to shape the next era of cardiovascular prevention.

为什么这很重要

Because obesity and type 2 diabetes are now pushing coronary risk in the wrong direction, incretin therapies represent a promising tool for addressing the cardiometabolic drivers that are stalling further progress.

心血管疾病史

独立预测变量

定义

在通过多变量分析排除了年龄、BMI和胆固醇等其他已知危险因素后,仍能在统计学上预测结果(如死亡率)的变量。.

为什么这很重要

The article uses this term to argue that VO₂ max carries prognostic information beyond conventional cardiovascular risk factors.

阅读:最大摄氧量 (VO₂ max):健康与长寿的决定因素?

Indicator Amino Acid Oxidation (IAAO)

定义

Indicator amino acid oxidation is a research technique that estimates the body's total protein requirement by tracking how much of a tracer amino acid is burned off as the test protein intake increases; the inflection point where oxidation drops signals that protein needs are being met. The article cites IAAO studies suggesting endurance-trained adults need roughly 1.6–1.8 g of protein per kilogr…

为什么这很重要

It is the specific method behind the higher protein-requirement figures used to justify the 40-gram-per-meal target for master athletes.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

Industry Funding

定义

Financial sponsorship of scientific research by commercial entities with a stake in the outcome; studies funded by industry have been shown to be more likely to report results favorable to the sponsor's product, introducing systematic bias into health evidence.

为什么这很重要

Recognizing who paid for a study is a basic tool of critical appraisal, helping readers weigh health claims more accurately.

阅读:Peter Megdal 在 The Lynchpin 播客上的访谈

Infective Endocarditis

定义

A serious bacterial infection of the heart's inner lining or valves, distinct from atherosclerosis, in which oral bacteria that enter the bloodstream can colonize a damaged or prosthetic valve and cause life-threatening valve destruction.

为什么这很重要

It is the one cardiovascular condition where oral bacteria are genuinely causative, and it determines which patients need antibiotics before dental work.

阅读:牙龈疾病与心脏病

Inflammaging

定义

随着年龄增长,免疫系统逐渐失去完全消退急性炎症反应的能力,从而发展出的一种慢性的、低级别的、无菌性炎症状态;在动脉中,它会促进内皮功能障碍、脂质滞留和斑块进展。.

为什么这很重要

Inflammaging is a key mechanism linking age to atherosclerosis and a potential target for future preventive therapies.

Read: How Does Age Affect Atherosclerosis? A Q&A Explainer

炎症

定义

Inflammation is your immune system's response to injury or something it treats as an invader. It brings swelling, heat, and cleanup cells.

为什么这很重要

In arteries, inflammation starts because cholesterol particles got trapped in the wall. It then makes everything worse — thinning the plaque's protective cap and enlarging its greasy core. It is a powerful accelerator, but it is not the spark.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

遗传危害系数

定义

The Inherited Hazard Coefficient is a proprietary quantitative formula (H = Σ(R × W) / A) that weights each family member's cardiac event by degree of biological relationship, severity of the event, and age at which it occurred, producing a single numerical index of a person's inherited cardiac risk load.

为什么这很重要

It is the core calculation behind the app and represents a more granular alternative to the simple yes/no family-history checkbox used by standard risk tools.

阅读:终于提出了正确问题的心脏健康应用

胰岛素抵抗

定义

胰岛素抵抗是指您的细胞对胰岛素的反应变差,因此您的胰腺必须分泌越来越多的胰岛素来完成相同的工作。.

为什么这很重要

It usually shows up years before blood sugar rises enough to be called diabetes. It also scrambles your cholesterol particles — making them smaller and more numerous — so your LDL number can look fine while your actual particle count is high.

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

强化生活方式干预

定义

A structured, multi-component therapeutic program combining a whole-food, plant-based diet very low in fat and sugar, regular moderate exercise, formal stress management, and strong social support; the article identifies ILM—modeled on the Ornish Lifestyle Medicine Program—as the sustained intervention responsible for the multi-vessel regression documented in the Megdal Serial Angiogram.

为什么这很重要

ILM is the specific 'prescription' shown to reverse coronary blockages without drugs or surgery.

阅读:冠状动脉疾病消退的专家血管造影评估:Megdal 序列血管造影 (2014–2018)

Intention-to-Treat (ITT) Analysis

定义

A statistical approach in which all participants randomized in a clinical trial are analyzed according to their assigned group regardless of whether they actually completed or adhered to the treatment; it gives the most conservative and least biased estimate of a treatment's real-world effect.

为什么这很重要

The three large CPAP trials showed no cardiac benefit on ITT analysis, making it important to understand why adherence-based analyses that look more promising are weaker evidence.

阅读:睡眠与您的心脏

Intercostal Muscles

定义

The muscles between the ribs that drive chest expansion during breathing; at maximal aerobic effort they bear a significant share of the respiratory workload and can themselves become a source of fatigue.

为什么这很重要

When the intercostals fatigue during intense exercise, breathing efficiency drops and less oxygen reaches working muscles.

阅读:永无止境的那一小时

INTERHEART

定义

INTERHEART 是一项大型国际病例对照研究,比较了 52 个国家中首次发生心脏病发作的人群与匹配对照组的危险因素。该文章引用了其研究结果:持续的一般性压力导致心肌梗死的比值比为 2.17,心理社会因素共同造成的人群归因风险约为 32.5%。

为什么这很重要

INTERHEART is one of the most frequently cited sources for stress-and-heart-attack statistics, so knowing its design helps you interpret those numbers correctly.

阅读:压力会致命吗?冥想能救命吗?

白细胞介素-1β (IL-1β)

定义

一种促炎蛋白,在 NLRP3 炎性小体被触发后由活化的巨噬细胞释放;它向肝脏发出产生 CRP 的信号,并放大发育中斑块内的炎症反应。

为什么这很重要

It is a key link in the chain connecting plaque inflammation to measurable blood markers—and is a direct target of drugs like colchicine.

炎症、脂蛋白与以低密度脂蛋白(LDL)为中心的时代的终结

白介素-6(IL-6)

定义

在斑块炎症期间响应IL-1β产生并输送至肝脏以刺激CRP产生的一种信号蛋白;因此,升高的循环IL-6反映了活跃的血管炎症。.

为什么这很重要

Its role as the trigger for CRP production means targeting the IL-6 pathway is a strategy for reducing residual cardiovascular risk.

炎症、脂蛋白与以低密度脂蛋白(LDL)为中心的时代的终结

Intermittent Fasting

定义

间歇性禁食是一种在确定的进食期和自愿禁食热量期之间循环的饮食模式;在本文中,它与碳水化合物限制一起被描述为 Dayspring 博士用来实现显著减肥并改善其代谢实验室指标的方法。

为什么这很重要

It is presented as a practical lifestyle lever that can shift cardiovascular risk markers, making it relevant to readers considering non-pharmacological prevention.

胆固醇:它有什么用?

组织间液 (IF)

定义

间质液是占据人体组织中细胞间隙的清澈液体;研究人员将其脂蛋白含量作为研究血管壁生物学的窗口,其理论依据是:能够穿过内皮细胞而未被截留的颗粒应出现在间质液中,而被截留的颗粒则不会出现在其中。.

为什么这很重要

研究显示,糖尿病患者组织间液中的 ApoB 含量减少了 58%,这提供了直接的人体证据,证明动脉壁会主动捕捉这些颗粒。

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

间质性心肌纤维化

定义

间质性心肌纤维化是整个心肌内由于纤维结缔组织导致的心肌细胞弥漫性瘢痕形成和替代;在黑猩猩中,致命的心血管事件是由这一过程而非动脉粥样硬化斑块破裂引起的,这使其心脏病模式与人类有所区别。

为什么这很重要

尽管血脂水平相似,但黑猩猩死于纤维化而非斑块破裂,这一事实突显了人类动脉粥样硬化可能涉及经典风险因素之外的免疫机制。

你的免疫系统在与你的牛排开战吗?

介入心脏病专家

定义

介入心脏病专家是经过导管手术(如冠状动脉造影、血管成形术和支架置入术)专门培训的心脏病专家。他们与侧重于诊断和药物管理而非手术治疗的内科(非介入)心脏病专家不同。

为什么这很重要

患者通过了解管理其药物治疗的医生与在导管室进行手术的医生之间的区别而获益。

阅读:curingheartdisease.com 的 Peter Megdal 专访

内膜增厚

定义

内膜增厚是动脉最内层(内膜)早期适应性或病理性增厚的过程,它既可反映正常的发育变化,也可反映平滑肌细胞、脂质和炎症细胞的积聚,而这些积聚是明显斑块形成的前期阶段。它可以通过颈动脉内膜中层厚度超声进行无创测量。.

为什么这很重要

检测内膜增厚在临床事件发生前数年提供了观察动脉衰老的窗口,为预防行动赢得了时间。

从子宫到逆转:消除一生的动脉损伤

内膜黄色瘤

定义

内膜黄色瘤是通常被称为脂肪条纹的组织学术语——这是最早的真正动脉粥样硬化病变,其中含有 apoB 的脂蛋白颗粒滞留在内皮下基质中,并被巨噬细胞吞噬,形成充满脂质的泡沫细胞。

为什么这很重要

它标志着正常动脉适应与真正疾病之间的界限,其在胎儿主动脉中的存在表明动脉粥样硬化可以在多么早期就开始。

先天性疾病

颅内动脉粥样硬化性疾病

定义

颅内动脉粥样硬化性疾病是颅内动脉内粥样硬化斑块的形成,会导致供应脑组织的血管狭窄,并引发中风、慢性低灌注和认知障碍。.

为什么这很重要

ICAD 是文章提出的从 ApoB 驱动的动脉疾病到阿尔茨海默病链条中的关键环节,纵向影像学研究表明,基线 ICAD 可以预测随后的淀粉样蛋白和 tau 蛋白积累。

阿尔茨海默病其实始于你的动脉吗?

肌细胞内脂肪(肌细胞内脂质)

定义

储存在骨骼肌纤维内的甘油三酯液滴;肌细胞内脂肪升高与胰岛素信号受损有关,是高脂肪饮食可能恶化肌肉组织胰岛素抵抗的机制之一。

为什么这很重要

文章指出,减少肌细胞内和肝脏脂肪(可通过高纤维植物性饮食实现)可以改善胰岛素抵抗,而无需进入生酮状态。

生酮饮食 vs. 全食植物性饮食:关于运动表现、胰岛素敏感性、逆转心脏病和长寿的硬核证据是什么?

肌细胞内脂质

定义

储存在骨骼肌细胞内的脂肪滴;即使在低碳水化合物饮食下血糖看似受控,肌细胞内脂质积累的升高也会干扰胰岛素信号传导,并与胰岛素抵抗有关。

为什么这很重要

了解这一机制可以解释为什么在生酮饮食期间血糖可能看起来正常,但潜在的胰岛素抵抗仍然存在。

营养学大辩论:原始人饮食法/生酮饮食/旧石器饮食与全食物植物性饮食对长寿和心脏病影响的循证现实

Intravascular Ultrasound

定义

血管内超声(IVUS)使用一个微型超声探头,将其穿入冠状动脉内部,从内部拍摄血管壁的照片。.

为什么这很重要

这是我们在活人身上直接观察斑块的最接近手段。使用这种技术的研究让我们知道,积极降低胆固醇可以真正缩小斑块,而不只是减缓其生长。

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

因纽特人悖论

定义

The Inuit Paradox was the widely cited but now largely discredited claim that Greenland Inuit populations had exceptionally low rates of ischemic heart disease despite a high-fat diet rich in marine mammals; subsequent analyses showed the low rates were artifacts of mortality misclassification, shorter lifespans, and high infectious disease burden rather than genuine cardiac protection.

为什么这很重要

The Inuit Paradox was used for decades to argue against the lipid hypothesis, so knowing why it was wrong matters for evaluating diet and heart health claims.

胆固醇大谎言:揭露饮食行业的有组织否认

Invasive Angiogram (Coronary Angiography)

定义

An invasive coronary angiogram is a catheter-based procedure in which a wire is threaded into the coronary arteries and radio-opaque dye is injected so that X-ray imaging can reveal the location and severity of arterial blockages. Unlike non-invasive coronary CT angiography, it requires arterial access and is performed in a cardiac catheterization laboratory.

为什么这很重要

This is the gold-standard test that confirmed the patient's diagnosis and led directly to stent placement; understanding the procedure helps patients know what to expect if it is recommended.

阅读:curingheartdisease.com 的 Peter Megdal 专访

Invasive Angiography (Gold Standard)

定义

A procedure in which a catheter is threaded through a blood vessel to the heart and contrast dye is injected directly into the coronary arteries, producing X-ray images of their interior; it is considered the reference standard against which non-invasive imaging tests are validated for detecting stenosis.

为什么这很重要

The article uses it to explain why an AI AUC of 0.91 measures diagnostic accuracy against anatomy today, not prediction of future events.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

鸢尾素

定义

Irisin is a myokine released from skeletal muscle during exercise that promotes the conversion of energy-storing white adipose tissue into metabolically active brown adipose tissue, thereby increasing energy expenditure. The article cites it as one of the key chemical messengers linking resistance training to systemic metabolic improvements.

为什么这很重要

Irisin illustrates how muscle contraction sends beneficial signals to fat and metabolic tissue, helping explain heart-health benefits of strength training.

阅读:举铁能帮助你的心脏泵血吗?

ISAACC Trial

定义

A randomized controlled trial enrolling approximately 1,264 patients with acute coronary syndrome and obstructive sleep apnea to test whether CPAP reduces recurrent cardiovascular events. Like the SAVE and RICCADSA trials, it found no significant benefit by intention-to-treat analysis, with average nightly CPAP use of about 2.8 hours.

为什么这很重要

Together with SAVE and RICCADSA, it forms the core randomized evidence that CPAP prescription alone does not demonstrably reduce cardiac events.

阅读:睡眠与您的心脏

ISCHEMIA Trial

定义

比较医学与侵入性治疗方法的国际心血管疗效研究(ISCHEMI随机纳入了5179名患有稳定型冠心病和中重度缺血的患者,将其随机分配至一线侵入性治疗策略或单纯药物治疗组,结果发现主要复合心血管终点事件无显著差异。.

为什么这很重要

It confirmed COURAGE's findings using modern drug-eluting stents and imaging technology, strengthening the case for medical therapy in stable disease.

治疗生物学而非管道:心脏病学激进的新方法

ISCHEMIA-EXTEND

定义

ISCHEMIA-EXTEND 是 ISCHEMIA 试验的观察性随访研究,对存活的参与者进行了长达七年的追踪;结果发现,侵入性策略降低了心血管死亡率,但增加了非心血管死亡率,使得两组之间的总体生存率保持中性。.

为什么这很重要

Its nuanced finding—that surgery shifted the cause of death rather than reducing total deaths—is central to the article's argument that intervention is not a straightforward life-extender.

治疗生物学而非管道:心脏病学激进的新方法

Ischemic Heart Disease

定义

心肌缺血状态,通常由冠状动脉粥样硬化引起,导致心肌血液供应减少,从而引发心绞痛或心肌梗死等症状。.

为什么这很重要

This is the primary condition the diets discussed are claimed to prevent and reverse, so recognising the term clarifies what the research is measuring.

阅读:饮食真的能逆转心脏病吗?

Ischemic Preconditioning

定义

Ischemic preconditioning is a protective cellular response in which a brief, sublethal episode of myocardial ischemia renders the heart more resistant to injury from a subsequent, more prolonged ischemic episode, mediated partly through mitochondrial K-ATP channels and adenosine release. It is one mechanism explaining why warm-up angina can disappear as exercise continues.

为什么这很重要

It helps explain why an athlete's heart can seemingly 'adapt' to early warning pain, masking a serious underlying problem.

运动如何阻断疼痛:运动员心脏的致命秘密

缺血性中风

定义

缺血性中风是指流向部分大脑的血液受阻,导致脑组织开始坏死。.

为什么这很重要

Warning signs come on suddenly: a drooping face, a weak arm, slurred speech, sudden vision or balance trouble. Every minute counts, so this is a call-911-immediately situation, not a wait-and-see one.

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J

J-Curve

定义

A J-curve describes a pattern where risk is higher at both very high and very low values of something, with a sweet spot in the middle. Plotted on a graph it looks like the letter J.

为什么这很重要

It comes up most with blood pressure. Bringing very high pressure down clearly helps, but pushing it extremely low may not help everyone, especially older people with stiff arteries.

J-Shaped Curve

定义

流行病学数据中的一种统计学模式,即少量至适度饮酒者似乎比完全不饮酒者和酗酒者具有更低的心血管疾病风险,当将风险对饮酒量作图时,会产生一条形状像字母J的曲线;这种模式的有效性正日益受到孟德尔随机化研究以及对混杂因素更佳校正的挑战。.

为什么这很重要

Understanding this curve is central to evaluating whether moderate drinking is genuinely protective or a statistical artifact.

半满的玻璃杯:为什么科学正向“有益心脏健康”的饮酒习惯挥手告别

JAK2 Mutation

定义

JAK2 is a specific gene mutation that can drive clonal hematopoiesis; unlike the common CHIP mutations that roughly double cardiovascular risk, the JAK2 variant is associated with a much larger increase — sometimes cited as a 12-fold rise — making it an outlier within the broader CHIP category.

为什么这很重要

Knowing that JAK2 is an extreme outlier prevents misreading alarming statistics about CHIP risk as applying to everyone with the condition.

Read: Heart disease accelerates as you age

JELIS Trial

定义

A large Japanese randomized trial that tested high-dose EPA supplementation in hypercholesterolemic patients on statins and found reductions in coronary events and stroke recurrence, providing early evidence for EPA-specific cardiovascular benefit.

为什么这很重要

JELIS is cited alongside REDUCE-IT to support the idea that purified EPA has a genuine treatment effect independent of the mineral-oil placebo controversy.

阅读:心脏病与鱼油

Job Strain

定义

Job strain is a research construct that combines high psychological demands at work with low control over how that work is done, and is one of the most studied occupational stress exposures in cardiovascular epidemiology. The article reports that high job strain is associated with roughly a 20–30% higher risk of coronary heart disease or stroke.

为什么这很重要

It gives a precise, measurable definition to 'work stress,' which is often used loosely in health reporting.

阅读:压力会致命吗?冥想能救命吗?

木星

定义

JUPITER 试验在胆固醇正常但 CRP 升高(提示隐匿性炎症)的人群中测试了一种他汀类药物。.

为什么这很重要

Events dropped substantially, and the trial is a landmark in the argument that inflammation carries risk independent of cholesterol. Critics note the statin lowered both, so the two effects are hard to separate.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

JUPITER 试验

定义

The JUPITER (Justification for the Use of Statins in Prevention: an Intervention Trial Evaluating Rosuvastatin) trial enrolled individuals with 'normal' LDL-C but elevated hs-CRP and showed that rosuvastatin significantly reduced cardiovascular events in this population, demonstrating that inflammatory risk exists and is clinically significant even when conventional cholesterol metrics appear acc…

为什么这很重要

JUPITER revealed that millions of people thought to be low-risk based on LDL-C alone may still benefit from treatment because of hidden inflammatory burden.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

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K

Kandutsch–Russell Pathway

定义

The Kandutsch–Russell pathway is an alternative post-lanosterol route to cholesterol that proceeds through 7-dehydrocholesterol (7-DHC) and lathosterol, with the final step catalysed by DHCR7. Adult liver and kidney predominantly use a modified version of this pathway; deficiency of DHCR7 causes Smith–Lemli–Opitz syndrome due to toxic 7-DHC accumulation.

为什么这很重要

The 7-DHC intermediate in this pathway is also the precursor to vitamin D₃ in skin, linking cholesterol biosynthesis to bone and cardiovascular health.

百万美元分子:为什么你的身体为胆固醇付出巨资

生酮行动呼吁

定义

KETO-CTA 是一项利用冠状动脉 CT 血管造影评估采用生酮饮食且低密度脂蛋白胆固醇(LDL-C)水平显著升高的受试者斑块负荷的研究,结果发现,尽管冠状动脉钙化(CAC)评分呈零值的情况十分普遍,但非钙化(软)斑块体积在一年内增加了约 42%。.

为什么这很重要

It is the most direct imaging evidence used to argue that high LDL on a keto diet may still accelerate early plaque growth even in metabolically healthy people.

阅读:胆固醇大谎言(第二部分)

生酮饮食

定义

生酮饮食是一种极低碳水化合物、极高脂肪的饮食方式,它能促使身体燃烧脂肪并产生酮体来提供能量。.

为什么这很重要

It often improves weight, blood sugar, and triglycerides. But cholesterol responses vary enormously — some people barely change while others see their LDL and ApoB shoot up dramatically. Better blood sugar does not cancel out a large rise in harmful particles.

阅读:胆固醇大谎言(第二部分)

肾病

定义

肾病意味着肾脏失去了一些过滤血液中废物的能力。.

为什么这很重要

It raises heart risk on its own, separately from anything else. Damaged kidneys drive up blood pressure, promote inflammation, and disturb the way calcium is handled in blood vessels.

Kinetic Chemical-Potential Buffer

定义

在脂蛋白生理学中,血浆脂蛋白系统通过使颗粒表面的游离胆固醇与周围细胞膜保持持续的热力学平衡,充当动力学化学势缓冲器,从而平滑局部组织供应的瞬时波动。

为什么这很重要

This function, rather than directed delivery, is one reason some cholesterol must circulate—but it requires far less than modern average plasma levels.

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

KLF2 Signaling

定义

一种对血流敏感的转录因子(Krüppel样因子2),在运动过程中的层流剪切应力作用下在内皮细胞中被激活;它能促进抗动脉粥样硬化的基因表达谱,包括上调 eNOS 和抑制炎性黏附分子。.

为什么这很重要

It provides one molecular explanation for how exercise protects arteries at the gene-expression level, beyond just mechanical effects.

你的心脏比你更老吗?逆转心血管年龄的科学

Kringle IV Type 2 (KIV2) Repeats

定义

Looped protein domains within apolipoprotein(a) whose copy number varies widely between individuals; people with fewer KIV2 repeats produce smaller apo(a) isoforms and tend to have higher plasma Lp(a) concentrations, accounting for much of the inherited variability in Lp(a) levels.

为什么这很重要

This structural feature explains why Lp(a) levels differ so dramatically between people and why lifestyle changes cannot meaningfully lower them.

载脂蛋白B、脂蛋白(a)与C反应蛋白在动脉粥样硬化进展中的综合动力学

Kringle-IV Domains

定义

Repeated structural protein loops within apolipoprotein(a) whose number varies between individuals and is the primary genetic determinant of Lp(a) particle size and plasma concentration.

为什么这很重要

The copy-number variation in these repeats is why two people can have wildly different Lp(a) levels despite similar diets and lifestyles.

阅读:什么是脂蛋白 (a)?

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L

左卡尼汀

定义

L-carnitine is a compound abundant in red meat that plays a role in fatty acid transport into mitochondria; gut bacteria can convert it through several steps—including the intermediate γ-butyrobetaine—into TMA and ultimately TMAO. The article cites it as the other major dietary precursor studied in TMAO research.

为什么这很重要

It explains why red meat specifically, and not just eggs or dairy, is targeted in TMAO research.

红肉正在通过你的肠道杀死你吗?关于TMAO的大骗局

L-Methylfolate (5-MTHF, 5-Methyltetrahydrofolate)

定义

The biologically active form of folate that serves as the methyl donor in the remethylation of homocysteine back to methionine; unlike standard folic acid, it does not require enzymatic conversion and can be used directly by the body regardless of MTHFR genotype.

为什么这很重要

Understanding what makes a B-vitamin supplement 'active' helps you evaluate whether paying more for it is justified.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

Lap Time (Velodrome)

定义

The time taken to complete one circuit of the velodrome track—250 meters in this case—used by the athlete and coach as real-time feedback to regulate pacing during an event where no electronic displays are permitted.

为什么这很重要

Lap-time monitoring is the sole pacing tool available during the hour record, directly governing how hard the cardiovascular system is driven over 60 minutes.

阅读:自行车手彼得·梅格达尔 (Peter Megdal) 寻求并克服艰难障碍

Laplace's Law

定义

Laplace's Law states that wall tension in a hollow vessel equals the product of internal pressure and radius divided by wall thickness; in an aneurysm, both the enlarged radius and the thinned wall amplify mechanical tension with every heartbeat and every exercise-induced rise in blood pressure.

为什么这很重要

This law explains physically why an aneurysm grows more dangerous as it enlarges and why blood pressure control during exercise is so important.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

LAT1/SLC7A5

定义

LAT1 (encoded by the gene SLC7A5) is a leucine transporter protein on the cell surface that shuttles leucine and other large neutral amino acids into the cell; many cancer cells overexpress it to secure a continuous leucine supply that keeps mTORC1 constitutively active and supports rapid tumor growth. Its overexpression is cited in the article as evidence that leucine plays a context-dependent r…

为什么这很重要

It is the molecular mechanism that links leucine availability to cancer cell survival, helping explain why leucine's effects depend heavily on whether a tumor is already present.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

Late Gadolinium Enhancement

定义

钆增强晚期(LGE)是一种心脏磁共振成像技术,在此技术中,造影剂会积聚在心肌瘢痕或纤维化区域,并在延迟成像中呈现高信号,表明曾发生过微观或临床上的心脏损伤; 在上述研究中,12–14%名大师级运动员表现出这种模式,其中部分人此前并未被诊断出过心肌梗死。.

为什么这很重要

It reveals silent myocardial damage that standard stress tests or blood tests would miss, making it an important screening tool in aging athletes.

巅峰体能与隐形钙化:运动员的斑块积聚悖论

Late-Onset Hypogonadism

定义

Late-onset hypogonadism is a clinical syndrome in aging men characterized by low bioavailable testosterone combined with specific symptoms—particularly reduced sexual desire, poor morning erections, and erectile dysfunction—arising from a combination of declining testicular Leydig cell function and rising SHBG.

为什么这很重要

Recognizing this syndrome explains why some older men feel androgen-deficient even when their total testosterone appears normal.

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

Lauric Acid (C12:0)

定义

A 12-carbon saturated fatty acid that constitutes roughly 45–53% of coconut oil's total fatty acids; although sometimes classified as a medium-chain fatty acid, it behaves metabolically more like a long-chain saturated fat, is partly transported via the lymphatic system in chylomicrons, and is among the most potent dietary raisers of LDL-cholesterol when substituted isocalorically for unsaturated…

为什么这很重要

Understanding where lauric acid sits between true MCTs and long-chain fats is central to evaluating coconut oil's cardiovascular claims.

椰子油作为健康食品的神话:行业如何左右你的饮食!

LCAT (Lecithin–Cholesterol Acyltransferase)

定义

LCAT is the plasma enzyme responsible for esterifying free cholesterol on HDL particles, converting it to cholesteryl ester and maintaining the roughly 70% esterified / 30% free ratio normally seen in plasma.

为什么这很重要

Dysfunction of LCAT disrupts cholesterol partitioning in the blood and is associated with HDL deficiency and kidney disease.

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

低密度脂蛋白

定义

低密度脂蛋白(LDL)是将胆固醇输送至全身血液的主要颗粒,也是积聚在动脉壁上的主要颗粒。.

为什么这很重要

Be careful with the word. Sometimes LDL means the particles themselves, and sometimes it means the cholesterol inside them. Those are different things, and confusing them is behind a lot of misleading lab results.

为什么载脂蛋白B(ApoB)很重要?

LDL Apheresis

定义

LDL血浆置换术是一种类似于透析的治疗方法,可通过机器直接从血液中滤除有害的胆固醇颗粒。通常每一到两周进行一次。.

为什么这很重要

It is reserved for people with severe inherited cholesterol conditions who cannot get low enough on medication alone. The effect is dramatic but temporary, since the liver keeps producing more.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

低密度脂蛋白胆固醇

定义

低密度脂蛋白胆固醇,简称LDL-C,是指存在于低密度脂蛋白颗粒内部的胆固醇量。它是几乎每份标准实验室化验报告上都会显示的数据。.

为什么这很重要

Here is the catch: it measures cargo, not vehicles. Two people with identical LDL-C can be carrying very different numbers of particles. The one with more particles has more risk, and the standard panel won't tell them.

为什么你‘正常’的胆固醇其实是一个警告信号

LDL Receptor

定义

LDL受体是肝细胞上的一个对接端口,它从血液中抓取LDL颗粒并将其拉入体内进行分解。.

为什么这很重要

The more of these ports you have working, the cleaner your blood stays. Statins, ezetimibe, PCSK9 inhibitors, and inclisiran all end up doing the same basic thing: increasing the number of working receptors.

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

LDL Receptor (LDLR) Recycling

定义

肝细胞表面低密度脂蛋白(LDL)受体结合并内吞含载脂蛋白B(ApoB)的脂蛋白颗粒,随后返回细胞表面以捕获更多颗粒的过程;PCSK9通常在内吞后标记这些受体以将其销毁,而阻断PCSK9则允许受体重复循环,从而显著增加LDL的清除。.

为什么这很重要

LDLR recycling is the molecular reason why PCSK9 inhibitors and inclisiran are so potent—they effectively multiply the liver's ability to remove atherogenic particles.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

LDL Receptor Saturation

定义

LDL receptor saturation occurs when the number of circulating ApoB-containing particles exceeds the clearance capacity of LDL receptors on liver and other cells; once receptors are fully occupied, additional particles remain in the bloodstream longer and are more likely to enter and be retained in the arterial wall, accelerating plaque formation.

为什么这很重要

Saturation is the mechanistic reason why extremely high cholesterol overwhelms even a healthy body's defenses, regardless of overall metabolic fitness.

Read: Does metabolic health protect you from high cholesterol?

LDL Target

定义

A specific numerical goal for LDL cholesterol concentration that a clinician aims to achieve through diet, lifestyle, or medication; targets are set based on a patient's overall cardiovascular risk, with higher-risk patients typically assigned lower targets.

为什么这很重要

Understanding that treatment is driven by a personalized goal — not a one-size number — helps readers engage meaningfully with their own lipid results.

阅读:《重新思考心脏健康:彼得·梅格达尔如何将一纸诊断转化为推动变革的使命》

LDL-C (LDL Cholesterol Mass)

定义

LDL-C measures the total mass of cholesterol carried inside LDL particles per unit volume of blood, not the number of particles themselves; it is the traditional surrogate used in standard lipid panels but can underestimate cardiovascular risk when LDL particles are small and cholesterol-depleted, causing ApoB and LDL-C to diverge.

为什么这很重要

Understanding what LDL-C actually measures—and what it misses—explains why your standard cholesterol test may not tell the whole story.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

LDL-C-Years

定义

LDL-C-years is a cumulative exposure metric that multiplies a person's LDL cholesterol level by the number of years they have carried it, capturing lifetime arterial burden rather than a single snapshot; a threshold of roughly 5,000 mg/dL-years is used to identify the point at which clinically significant plaque risk accumulates.

为什么这很重要

It reframes cholesterol risk as a running total rather than a one-time reading, showing why high cholesterol in your 20s and 30s still matters decades later.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

低密度脂蛋白胆固醇与载脂蛋白B不一致

定义

A clinical pattern in which a patient's measured LDL cholesterol mass appears acceptable while the ApoB particle count is elevated, indicating more atherogenic particles than the cholesterol number alone would suggest; common in metabolic syndrome and hypertriglyceridemia.

为什么这很重要

Recognizing discordance is why physicians increasingly measure ApoB alongside LDL-C rather than relying on LDL-C alone.

载脂蛋白B、脂蛋白(a)与C反应蛋白在动脉粥样硬化进展中的综合动力学

LDL-Years

定义

LDL年是一个累积暴露指标,定义为低密度脂蛋白胆固醇随年龄变化曲线下的面积,代表了一生中输送到动脉壁的胆固醇总负荷;它是所有累积脂质指标中纵向验证最成熟的指标,并且能够独立于中年低密度脂蛋白胆固醇水平预测心血管事件。.

为什么这很重要

It illustrates that the same LDL level carries very different risk depending on how long a person has carried it.

载脂蛋白B:更长、更高、更糟

低密度脂蛋白受体

定义

LDLR是构建LDL受体的基因,LDL受体是您的肝脏用于将胆固醇颗粒从血液循环中清除的对接端口。.

为什么这很重要

Faults in this gene are the most common cause of familial hypercholesterolemia. How much working receptor a person can build largely determines how high their cholesterol runs from birth.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

LDLR-Deficient Mice

定义

A well-established animal model of atherosclerosis in which the gene encoding the LDL receptor is knocked out, causing cholesterol-rich lipoproteins to accumulate in the blood and accelerate plaque formation; widely used to test how environmental exposures affect cardiovascular disease.

为什么这很重要

Knowing the model helps readers judge how directly the mouse findings translate to human biology.

问答:日常微塑料是否在助长心脏病?

LDLRAP1 (Autosomal Recessive Hypercholesterolemia)

定义

LDLRAP1 encodes an adaptor protein required for the internalization of the LDL receptor–LDL complex into liver cells; biallelic loss-of-function variants cause autosomal recessive hypercholesterolemia (ARH), a form of HoFH in which the receptor can bind LDL but cannot pull it inside the cell, generally producing a somewhat milder phenotype than null LDLR mutations.

为什么这很重要

ARH illustrates that HoFH can arise from defects at different steps in the LDL clearance pathway, with implications for prognosis and treatment response.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

Lean Mass

定义

身体重量中由肌肉、骨骼和器官(而非脂肪)所占的部分;较高的瘦体重与更好的代谢健康相关,在文章中被确定为最大摄氧量(VO₂ max)和长寿的上游遗传驱动因素。.

为什么这很重要

The article positions lean mass as a root cause of longevity rather than VO₂ max itself, making it central to its causal argument.

阅读:最大摄氧量 (VO₂ max):健康与长寿的决定因素?

瘦体重大反应者

定义

瘦体重高反应者是指身材纤瘦且热爱运动的人,他们在采用低碳水化合物饮食时,低密度脂蛋白胆固醇(LDL)会急剧上升——有时甚至达到通常只有在遗传性疾病中才能看到的水平。.

为什么这很重要

Supporters argue that in a metabolically healthy person this pattern may be harmless. That claim has not been tested against hard outcomes like heart attacks, so it remains an open question rather than a settled one.

阅读:胆固醇大谎言(第二部分)

莱卡纳马布

定义

Lecanemab is an anti-amyloid monoclonal antibody approved for early Alzheimer's disease that reduces amyloid-beta plaques in the brain and modestly slows cognitive decline, but carries risks of brain swelling and bleeding.

为什么这很重要

It represents the current frontier of amyloid-targeting therapy and illustrates both the promise and limits of treating Alzheimer's by clearing amyloid alone.

阿尔茨海默病其实始于你的动脉吗?

Left Anterior Descending Artery (LAD)

定义

The left anterior descending artery is the largest branch of the left coronary artery and supplies blood to the front and lower-left wall of the heart; it is the vessel most commonly affected by significant atherosclerosis. Its sharp take-off angle creates disturbed, turbulent blood flow that promotes preferential plaque deposition at that site.

为什么这很重要

Because the LAD feeds so much of the heart, disease here is a leading cause of serious heart attacks—understanding why it is vulnerable helps explain the geography of coronary disease.

从子宫到逆转:消除一生的动脉损伤

Left Ventricular Compliance

定义

左心室在舒张期以低压扩张并充盈血液的能力;顺应性降低(由心肌僵硬或纤维化引起)意味着心脏必须产生更高的压力才能充盈,从而损害其泵血效率。.

为什么这很重要

Restoring left ventricular compliance is the central target of the exercise protocols described in this article for reversing sedentary heart aging.

你的心脏比你更老吗?逆转心血管年龄的科学

左心室射血分数

定义

The percentage of blood pumped out of the heart's main pumping chamber with each beat; a normal value is 55 percent or above, and a rising ejection fraction after heart disease is a measurable sign of cardiac recovery.

为什么这很重要

It is the most widely used clinical index of how well a damaged heart is recovering its pumping function.

阅读:永无止境的那一小时

Left Ventricular Hypertrophy

定义

左心室肌壁病理性增厚,最常见的原因是持续的高血压迫使心脏更加努力地工作;即使在血压恢复正常后,某种程度的结构性肥厚仍可能持续存在。.

为什么这很重要

This is cited in the article as another example of how structural remodeling can outlast the active disease driving it, reinforcing the cure-versus-scar framework.

阅读:心脏病可以治愈吗?

LENS Trial

定义

LENS 试验(2024 年)是一项随机对照试验,提供了具有里程碑意义的证据,表明非诺贝特(一种降低富含甘油三酯的载脂蛋白 B 颗粒的药物)可延缓糖尿病视网膜病变的进展。.

为什么这很重要

It is the key clinical trial linking ApoB-targeted therapy to preservation of eye health in people with diabetes.

为什么载脂蛋白B(ApoB)很重要?

Leptin Resistance

定义

瘦素抵抗是指尽管血液中瘦素水平升高,大脑仍无法对瘦素(一种抑制食欲并促进能量消耗的脂肪源性激素)作出正常反应的状态;在肥胖中,这部分是由抑制蛋白 SOCS3 表达增加所介导的,从而减弱了 JAK2/STAT3 信号通路。.

为什么这很重要

Leptin resistance helps explain why obesity is self-reinforcing: the hormonal signal telling the brain to stop eating loses its effect.

阅读:为什么腹部脂肪比你想象的更危险

Lesion

定义

在心脏病学中,病变是指使冠状动脉狭窄的局灶性动脉粥样硬化斑块,通常用其导致的管腔阻塞百分比来描述。文章描述了在处理了最关键的病变之后,剩下的四个残余病变,其血管直径太小而无法容纳支架。.

为什么这很重要

The term appears frequently in cardiology reports and office notes, and understanding it helps patients interpret their own diagnosis.

阅读:curingheartdisease.com 的 Peter Megdal 专访

Leydig Cells

定义

Leydig cells are the testosterone-producing cells located in the testes; with aging their number declines and their steroidogenic capacity falls, contributing to the gradual reduction in testosterone production seen in older men.

为什么这很重要

These cells are the primary source of male testosterone, so their decline is a root cause of age-related androgen deficiency.

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

Life's Simple 7

定义

Life's Simple 7 is a cardiovascular health framework defined by the American Heart Association comprising seven modifiable factors: blood pressure, cholesterol, blood sugar, physical activity, diet, body weight, and smoking status. It is used in research to score overall cardiovascular health and to assess concordance of health behaviors between individuals or couples.

为什么这很重要

The framework was used to show that couples share nearly identical health behaviors, providing context for how much individual exercise choices still matter.

阅读:运动不会消除动脉斑块——它会使其石化!

生活方式心脏试验

定义

The Lifestyle Heart Trial, led by Dean Ornish, was a small randomized study testing an intensive lifestyle intervention — very low-fat plant-based diet, exercise, stress management, and group support — using serial coronary angiography; the intervention group's measured arterial narrowing improved slightly while controls worsened, but technical limitations of angiography, reference-segment narrow…

为什么这很重要

It is frequently cited as proof that lifestyle reverses heart disease, but its methodological limitations mean the evidence is weaker than often claimed.

阅读:饮食与药物,或者结果与逆转,哪个更重要?

生活方式医学

定义

Lifestyle medicine uses everyday behavior — food, movement, sleep, stress, not smoking — to prevent and treat disease.

为什么这很重要

These changes are genuinely powerful and improve almost every measure of health. What they usually cannot do on their own is fully correct severe inherited cholesterol problems or erase decades of accumulated damage.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

Linoleic Acid

定义

亚油酸是大豆油、葵花籽油和玉米油等种子油中的主要多不饱和脂肪。您的身体无法自行合成,因此必须从食物中获取。.

为什么这很重要

Replacing saturated fat with it reliably lowers LDL cholesterol. Claims that it causes inflammation have circulated widely online but have held up poorly when actually tested in people.

阅读:seed oils 是否健康,是真是假?

脂类能量模型

定义

脂质能量模型提出,在身体消瘦、胰岛素敏感且肝糖原较低的个体中(例如采用生酮饮食的人群),肝脏会上调极低密度脂蛋白(VLDL)的输出,以向外周组织供应脂肪燃料,从而导致低密度脂蛋白胆固醇(LDL-C)升高。这是高效能量代谢的下游结果,而不是经典血脂异常的征兆。.

为什么这很重要

Understanding this model is essential for evaluating whether high LDL on a low-carb diet carries the same heart risk as high LDL from other causes.

阅读:胆固醇大谎言(第二部分)

Lipid Paradox

定义

The lipid paradox refers to the observation in people in their 80s and 90s that the usual positive association between LDL cholesterol and heart disease weakens or even reverses, an apparent anomaly explained by reverse causation from illness lowering cholesterol, survivorship selection, and competing causes of death rather than any change in LDL's underlying biology.

为什么这很重要

The lipid paradox is frequently misread online as evidence that cholesterol does not matter in old age; understanding its causes prevents that misinterpretation.

Read: Heart disease accelerates as you age

Lipid Peroxidation

定义

Lipid peroxidation is a chain reaction in which reactive oxygen species attack the double bonds in unsaturated fatty acids, breaking them down into potentially harmful oxidation products; polyunsaturated fats in seed oils are more susceptible to this process than saturated or monounsaturated fats, particularly under heat or repeated frying.

为什么这很重要

It explains why cooking practices and oil storage matter, and why high-oleic versions of seed oils are considered more stable.

阅读:seed oils 是否健康,是真是假?

血脂检查

定义

血脂检查,用于测量总胆固醇、低密度脂蛋白胆固醇、高密度脂蛋白胆固醇和甘油三酯,可用于评估心血管风险并监测饮食或药物干预的效果。.

为什么这很重要

Dietary programs are often judged partly by how much they improve lipid profiles, making this a key outcome measure in the article.

阅读:饮食真的能逆转心脏病吗?

Lipid Rafts

定义

脂质筏是细胞膜内富含胆固醇的微结构域,作为受体酪氨酸激酶、G 蛋白偶联受体和其他信号分子的有组织平台。其完整性取决于充足的膜胆固醇,这突显了为什么胆固醇被作为结构资产而非燃料来源来维持。

为什么这很重要

Disruption of lipid raft organization is implicated in impaired endothelial signalling and may contribute to vascular dysfunction in atherosclerosis.

百万美元分子:为什么你的身体为胆固醇付出巨资

Lipid Tracking

定义

The tendency for an individual's lipid concentrations to maintain their relative rank within a population over time, so that a child with high LDL-C is likely to remain relatively high as an adult; documented from infancy through adulthood in longitudinal studies such as the Bogalusa Heart Study and Young Finns Study.

为什么这很重要

It means early cholesterol measurements in children are genuinely predictive of adult cardiovascular risk—not just a snapshot.

阅读:婴儿需要服用他汀类药物吗?

Lipid-Core Burden Index (LCBI)

定义

A near-infrared spectroscopy (NIRS) measurement that quantifies the lipid content within a coronary plaque segment; reductions in LCBI under intensive therapy indicate that the plaque's vulnerable, lipid-rich core is shrinking.

为什么这很重要

It gives clinicians a way to confirm that a plaque is becoming more stable even when lumen size on angiography appears unchanged.

冠状动脉斑块消退、管腔悖论与运动员的血管重塑:整合药物与全食物植物性策略

富脂质坏死核心

定义

富含脂质的坏死核心是晚期动脉粥样硬化斑块内部富含脂肪和炎性细胞的软组织部分;它是最容易发生破裂的区域,也是对降脂治疗最敏感的区域,即使在周围钙化组织保持不变的情况下,降脂治疗也能使其缩小并趋于稳定。.

为什么这很重要

It is the part of plaque most directly linked to heart attack risk and most modifiable by diet and medication.

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

Lipid-Rich Plaque

定义

一种以胆固醇酯和炎性脂质为主而非钙化或纤维组织为核心的动脉粥样硬化病变;文章指出,此类斑块对强化治疗高度敏感,斜支开口处戏剧性的65个百分点的消退与富含脂质的病变的逆转一致。.

为什么这很重要

Lipid-rich plaques are the most rupture-prone but also the most reversible, making them the prime target for lifestyle therapy.

阅读:冠状动脉疾病消退的专家血管造影评估:Megdal 序列血管造影 (2014–2018)

Lipidome

定义

脂质组是生物系统(如细胞、组织或生物体)中存在的整套脂质;大脑拥有特别庞大且复杂的脂质组,因为脂质对于神经元膜的结构和功能至关重要。

为什么这很重要

Knowing the term helps you understand why the body's cholesterol needs go far beyond diet alone.

胆固醇:它有什么用?

脂蛋白脂肪酶

定义

脂蛋白脂肪酶是一种附着在小血管壁上的酶,它能剥离流过颗粒中的甘油三酯,并将脂肪输送给肌肉和脂肪组织。.

为什么这很重要

When it works poorly, triglyceride-rich particles linger in the blood and turn into the remnants that lodge in artery walls. Several proteins your body makes, including ApoC-III and ANGPTL3, exist to throttle it.

心血管保护的遗传架构

Lipoprotein-Associated Phospholipase A2 (Lp-PLA2)

定义

脂蛋白相关磷脂酶A2是一种携带在低密度脂蛋白颗粒上的酶,它能在动脉粥样硬化斑块内产生促炎脂质介质;其升高的循环水平与斑块易损性和斑块破裂风险增加相关,且独立于标准胆固醇测量值。.

为什么这很重要

It adds information about plaque instability that ordinary cholesterol tests cannot provide, helping identify people at risk of a sudden heart attack.

医生没有为你开具的心脏检查

脂蛋白(a)

定义

Lipoprotein(a), written Lp(a) and said "L-P-little-a," is an LDL-like particle with an extra sticky protein attached.

为什么这很重要

Your level is set almost entirely by genetics — diet and exercise barely budge it. A high level raises the risk of heart attack, stroke, and narrowed aortic valves. Every adult should have it checked at least once, since one test answers the question for life.

基因好能战胜血脂差吗?

Lipoprotein(a) — Lp(a)

定义

Lipoprotein(a), abbreviated Lp(a), is a genetically determined lipoprotein particle consisting of an LDL-like core with an additional protein called apolipoprotein(a) covalently attached, which makes the particle particularly pro-atherogenic and pro-thrombotic. It is present at elevated levels in roughly one in five people worldwide and is not captured by standard cholesterol panels; a single ded…

为什么这很重要

Elevated Lp(a) is an independent, inherited risk factor that standard lipid tests miss entirely, so knowing your level can reveal hidden cardiovascular risk.

从子宫到逆转:消除一生的动脉损伤

肝X受体

定义

肝 X 受体 (LXR) 是一种由氧甾醇(胆固醇的氧化衍生物)激活的核受体,它能诱导 ABCA1 和 ABCG1 等胆固醇外排蛋白的表达,促进多余的细胞内胆固醇向 HDL 介导的胆固醇逆向转运转移。

为什么这很重要

It is part of the cell's safety valve against cholesterol overload, helping explain how the body actively manages — rather than simply accumulates — cholesterol.

胆固醇:它有什么用?

LoDoCo2 Trial

定义

LoDoCo2 was a randomized trial of low-dose colchicine (0.5 mg daily) in patients with stable coronary artery disease that found a 31% reduction in major adverse cardiovascular events compared with placebo, extending the anti-inflammatory benefit of colchicine beyond the acute post-heart-attack period.

为什么这很重要

It reinforces that chronic, low-grade inflammation in stable coronary disease is a treatable risk factor separate from cholesterol.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

Loeys-Dietz Syndrome

定义

洛埃茨-迪茨综合征是一种遗传性结缔组织疾病,由TGF-β受体或其下游效应因子(SMAD2、SMAD3)的突变引起,导致TGF-β信号传导发生矛盾性的过度激活,从而驱动紊乱的纤维化和主动脉根部的进行性结构衰竭,通常发病年龄较早。.

为什么这很重要

Like Marfan syndrome, Loeys-Dietz syndrome markedly raises the risk of aortic dissection in young active individuals and requires tailored athletic restriction.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

Log-Linear Relationship

定义

A log-linear relationship between LDL-C and cardiovascular risk means that each successive equal reduction in LDL-C produces a proportionally consistent percentage reduction in heart events, with no threshold below which further lowering stops being beneficial—supporting the 'lower is better' principle.

为什么这很重要

This relationship is the clinical basis for aggressive LDL-lowering targets in high-risk patients.

阅读:胆固醇大谎言(第二部分)

洛米塔皮德

定义

洛美他派是一种口服药物,可抑制肝细胞内的微粒体甘油三酯转运蛋白(MTTP),从源头上阻断极低密度脂蛋白(VLDL)和低密度脂蛋白(LDL)颗粒的组装与分泌;由于它在LDL受体的上游起作用,因此即使在受体完全无功能的情况下,它也能降低纯合子家族性高胆固醇血症(HoFH)患者循环中的LDL-C。.

为什么这很重要

Lomitapide represents a receptor-independent strategy that finally gave HoFH patients a way to reduce cholesterol when statins and other receptor-dependent drugs failed.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

Long QT Syndrome

定义

Long QT syndrome is an inherited or acquired channelopathy characterized by abnormal prolongation of the heart's electrical recovery phase — the QT interval on an ECG — that predisposes to a specific form of ventricular tachycardia called torsades de pointes and sudden death; female sex is a risk factor for events after puberty.

为什么这很重要

It is one of the most common inherited arrhythmia syndromes detectable by ECG, and identifying it in a young athlete can be life-saving.

如何避免英年早逝

Longevity Markers

定义

与更长健康寿命相关的生理或生化测量指标——如最大摄氧量(VO₂ max)、炎症生物标志物和斑块负荷——通过追踪这些指标来评估生活方式或治疗干预措施是否产生了良好的效果。

为什么这很重要

Knowing which measurable signals predict long-term survival helps readers focus on the outcomes that matter most.

阅读:《重新思考心脏健康:彼得·梅格达尔如何将一纸诊断转化为推动变革的使命》

Longitudinal Disease Monitoring

定义

A care model in which a patient's atherosclerotic disease is tracked through serial quantitative imaging over months or years, allowing clinicians to detect progression, regression, or plaque stabilization in response to therapy rather than relying on a single snapshot evaluation.

为什么这很重要

The article contrasts this approach with traditional episodic care and presents it as the clinical future enabled by AI-QCT.

阅读:心脏病管理的未来

纵向研究

定义

一种随访相同个体较长时间的研究设计,旨在观察某一时间点的暴露或特征如何与数年或数十年后的结局(如死亡率)相关联。.

为什么这很重要

The article relies on longitudinal data to show that improving fitness over time, not just having a high baseline value, reduces mortality.

阅读:最大摄氧量 (VO₂ max):健康与长寿的决定因素?

Look AHEAD Trial

定义

A large randomized trial that tested intensive lifestyle intervention—targeting weight loss through diet and exercise—in adults with type 2 diabetes, following them for a median of nearly 10 years. Despite meaningful improvements in weight, fitness, blood pressure, and glycemia, the trial did not significantly reduce its primary cardiovascular-event endpoint.

为什么这很重要

Its neutral result illustrates why treating measurable risk factors directly matters alongside weight loss, and why weight loss alone may not be sufficient.

Read: Obesity and heart disease

Loss-of-Function (LOF) Mutation

定义

A loss-of-function mutation is a genetic variant that reduces or eliminates the activity of a protein; in the context of this article, PCSK9 loss-of-function homozygotes have plasma total cholesterol as low as 80 mg/dL yet survive normally, providing human evidence that very low circulating cholesterol is physiologically tolerable.

为什么这很重要

These rare individuals demonstrate that the body's true circulating cholesterol requirement is far below average population levels.

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

Loss-of-Function (LOF) Variant — PCSK9

定义

A PCSK9 loss-of-function variant is a naturally occurring DNA mutation that reduces or eliminates the activity of PCSK9, a protein that normally degrades LDL receptors on liver cells; with less PCSK9, more receptors remain on the cell surface to clear LDL from the bloodstream, producing lifelong ultra-low LDL-C. In large cohort studies, PCSK9 LOF carriers show dramatically lower rates of coronary…

为什么这很重要

It is one of the clearest genetic proofs that humans can live healthily with very low LDL from birth, informing the design of PCSK9-inhibitor drugs.

心脏病是一种选择吗?阻止斑块形成的‘零风险’秘诀

Loss-of-Function Allele

定义

功能丧失等位基因是一种DNA变异,它部分或完全消除了该基因所编码蛋白质的正常活性;在心血管遗传学中,生来就带有PCSK9或APOC3等基因功能丧失等位基因的个体,在其一生中自然具有较低水平的致动脉粥样硬化脂蛋白水平,这为阻断这些……提供了长达数十年的关于其安全性和有效性的证据。

为什么这很重要

These natural 'off-switches' in human DNA are the strongest evidence we have that targeting a specific protein will lower heart disease risk.

心血管保护的遗传架构

Loss-of-Function Variants — PCSK9

定义

Loss-of-function variants in PCSK9 are inherited mutations that reduce or abolish the protein's ability to degrade hepatic LDL receptors, allowing those receptors to continue clearing LDL from the bloodstream, thereby lowering LDL-C and coronary heart disease risk from birth.

为什么这很重要

These variants demonstrate that decades of lower LDL exposure — not just acute treatment — produces disproportionately large reductions in heart disease risk, reinforcing the importance of cumulative ApoB exposure over a lifetime.

基因好能战胜血脂差吗?

Low-Attenuation Plaque

定义

低衰减斑块是CT扫描中颜色最暗、脂肪含量最高的斑块——其质地较软,X射线可以轻易穿透。.

为什么这很重要

Of everything a scan can measure, the amount of this material has turned out to be among the strongest predictors of a future heart attack, outperforming both calcium score and percentage narrowing.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

Low-Carbohydrate Diet Mortality Risk

定义

An epidemiological finding from a large Lancet Public Health meta-analysis (Seidelmann et al., 2018) showing that both very low (70%) carbohydrate intakes were associated with increased mortality, with the highest risk when carbohydrates were replaced by animal-derived protein and fat rather than plant-based sources.

为什么这很重要

This U-shaped relationship challenges the assumption that carbohydrate restriction is unconditionally beneficial for long-term survival.

营养学大辩论:原始人饮食法/生酮饮食/旧石器饮食与全食物植物性饮食对长寿和心脏病影响的循证现实

Low-Density Non-Calcified Plaque

定义

A type of coronary plaque with low X-ray attenuation on CT, corresponding to a lipid-rich, soft core that is not yet calcified; this morphology is associated with a higher risk of rupture and acute coronary syndromes than either fibrous or calcified plaque.

为什么这很重要

The article explains that most heart attacks arise from exactly this type of lesion, which standard calcium scoring cannot detect.

阅读:心脏病管理的未来

Low-Fat Whole Food Plant-Based Diet

定义

A low-fat whole food plant-based diet excludes all animal products (meat, dairy, eggs) and added oils, deriving calories almost entirely from minimally processed grains, legumes, vegetables, and fruits. It is the dietary pattern associated with the work of Caldwell Esselstyn and Dean Ornish, both of whom published clinical data suggesting it can arrest or reverse coronary artery disease.

为什么这很重要

This is the specific dietary intervention at the core of the article, and readers need to understand what it entails to evaluate the evidence behind it.

阅读:curingheartdisease.com 的 Peter Megdal 专访

Lp(a) (Lipoprotein(a))

定义

A lipoprotein particle similar to LDL but with an additional protein called apolipoprotein(a) attached, encoded by the LPA gene. Elevated Lp(a) is an inherited, largely diet-independent risk factor for atherosclerosis and aortic valve disease; in VESALIUS-CV, evolocumab reduced Lp(a) by about 27% as a secondary effect.

为什么这很重要

The article recommends having Lp(a) checked once in a lifetime as part of a complete cardiovascular risk picture.

阅读:预防你的第一次心脏病发作

LPA Gene

定义

LPA is the gene that determines how much lipoprotein(a) you make. Your version is fixed at conception.

为什么这很重要

This is why Lp(a) barely responds to diet or exercise, and why a single measurement is usually enough for life. Variation in this one gene explains most of the difference between people.

心血管保护的遗传架构

流明佯谬

定义

The observation that measurable plaque regression—confirmed by reductions in atheroma volume on IVUS or CCTA—is often not accompanied by a corresponding increase in luminal diameter, because the outer arterial wall simultaneously contracts (reverse remodeling) back toward its pre-disease size.

为什么这很重要

Understanding it prevents patients and clinicians from mistaking a stable or slightly narrower lumen on imaging for treatment failure when the artery is actually healing.

冠状动脉斑块消退、管腔悖论与运动员的血管重塑:整合药物与全食物植物性策略

里昂饮食心脏研究

定义

里昂心脏饮食研究是一项随机试验,旨在对已经发生过心脏病的患者测试地中海式饮食与谨慎的西方饮食的效果;该研究报告称,尽管两组之间的血胆固醇基本上没有差异,但复发性心脏事件却大幅减少,这使其成为“饮食益处不能完全用脂质变化来解释”这一观点的主要参考资料。

为什么这很重要

Its striking cholesterol-independent result is central to any discussion of how diet protects the heart beyond simply lowering LDL.

阅读:饮食与药物,或者结果与逆转,哪个更重要?

Lysosomal Degradation (of LDL Receptors)

定义

The cellular process by which PCSK9, after binding the LDL receptor, routes the receptor to lysosomes where it is broken down rather than recycled back to the cell surface; PCSK9 inhibitors block this process, preserving receptor density and enhancing LDL clearance.

为什么这很重要

Understanding this recycling mechanism explains why blocking PCSK9 has such a potent LDL-lowering effect.

Read: Cholesterol: How Low is Too Low?

返回顶部

M

M2 Phenotype Macrophage

定义

A reparative, anti-inflammatory subtype of macrophage that predominates during plaque regression; these cells promote cholesterol efflux, secrete anti-inflammatory cytokines, and assist in extracellular matrix reconstruction, in contrast to the pro-inflammatory M1 phenotype that drives early atherogenesis.

为什么这很重要

Knowing that the body has its own cellular repair crew—and what it needs to activate—explains why aggressive lipid lowering can translate into genuine arterial healing.

冠状动脉斑块消退、管腔悖论与运动员的血管重塑:整合药物与全食物植物性策略

MACE-4

定义

MACE-4(四元主要不良心血管事件)是一个复合临床终点,包括心血管死亡、非致死性心肌梗死、非致死性卒中和冠状动脉血运重建,在 CLEAR Outcomes 试验中被用作主要终点。.

为什么这很重要

It is the benchmark measure by which bempedoic acid's benefit was quantified in the key outcomes trial described in the article.

雌激素能保护女性动脉免受斑块形成吗?

Macrocalcification

定义

动脉粥样硬化斑块内的大体肉眼可见的钙化沉积,在标准非增强CT成像上可见;大钙化通常反映斑块的稳定和愈合,而不是活跃的不稳定状态。.

为什么这很重要

Knowing the distinction between macro- and microcalcification clarifies why a zero CAC score does not guarantee the absence of dangerous plaque.

零的力量:没有钙 – 没有风险?

Macrophage Cholesterol Efflux Capacity (CEC)

定义

A functional measure of HDL's ability to accept cholesterol from macrophage foam cells in the arterial wall for transport back to the liver; it correlates with cardiovascular protection independently of HDL-C levels, suggesting that HDL function matters more than HDL quantity.

为什么这很重要

Explains why a diet that raises HDL-C numbers (like one high in coconut oil) does not necessarily improve the protective work HDL actually does.

椰子油作为健康食品的神话:行业如何左右你的饮食!

Macrophage Polarization

定义

巨噬细胞在促炎(M1)和抗炎(M2)功能状态之间转换的过程;运动可促进动脉粥样硬化斑块内的巨噬细胞向抗炎表型极化,从而有助于稳定斑块组织,而不是加剧其炎症。.

为什么这很重要

It links the molecular biology of immune cells to the practical finding that exercise can make existing plaque less likely to rupture and cause a heart attack.

你的心脏比你更老吗?逆转心血管年龄的科学

主要不良心血管事件

定义

主要不良心血管事件(简称MACE)是研究中综合统计的一组不良结局——通常包括心血管死亡、心脏病发作和中风。.

为什么这很重要

Watch this one closely when reading trials. Different studies bundle different things, and a headline improvement can sometimes be driven almost entirely by one minor component rather than by fewer deaths.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

MARC-2 Study

定义

MARC-2 (Male Athlete's Risk of Cardiovascular disease) is a clinical study that examined the relationship between vigorous exercise habits and coronary plaque burden in male athletes, finding an association between high-intensity training and greater calcified plaque.

为什么这很重要

It is one of the key imaging studies cited in the article as evidence linking extreme exercise to higher coronary plaque burden.

阅读:耐力运动对动脉是有益还是有害?

马凡综合征

定义

马凡综合征是一种可遗传的结缔组织疾病,由编码原纤维蛋白-1的FBN1基因突变引起,这会破坏主动脉的中膜支架作用,并使受影响的个体易患进行性胸主动脉扩张、夹层和破裂——通常发生在年轻时期且主动脉直径较小时。.

为什么这很重要

Marfan syndrome is one of the most important genetic causes of sudden cardiac death in young athletes and requires specific sport-restriction guidance.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

Marginal Structural Model

定义

A statistical method used in observational and on-treatment analyses to estimate the causal effect of a time-varying treatment—such as nightly CPAP use—while adjusting for confounders that also change over time. It was used in the pooled SAVE/RICCADSA/ISAACC analysis to show that ≥4 hours of nightly CPAP was associated with reduced cardiovascular events.

为什么这很重要

Understanding this method helps readers assess why the on-treatment CPAP results are promising but weaker evidence than a randomized intention-to-treat finding.

阅读:睡眠与您的心脏

MARINE Trial

定义

A randomized trial that established the efficacy of icosapent ethyl for lowering triglycerides in patients with very high triglyceride levels, providing the foundational evidence for its approval in severe hypertriglyceridemia.

为什么这很重要

MARINE underpins one of Vascepa's two approved indications and helps contextualize its triglyceride-lowering effects separately from its cardiovascular event-reduction effects.

阅读:心脏病与鱼油

Mass-Balance Modeling

定义

Mass-balance modeling is a quantitative approach that tracks the total input, output, and storage of a substance—here cholesterol—across the body's compartments to estimate how much is actually needed versus how much is present in excess.

为什么这很重要

It reveals that circulating cholesterol levels in most adults are two to four times higher than what physiology requires, which helps explain why lowering LDL reduces cardiovascular risk without depriving tissues.

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

Master@Heart 研究

定义

Master@Heart 研究是一项针对终身男性耐力运动员的对照研究,该研究发现,与健康、活跃的非运动员相比,他们体内含有更多的冠状动脉斑块总量——包括近端动脉段中更多钙化和非钙化斑块——这引发了人们的疑问:即使在没有传统危险因素的情况下,极端终身耐力训练是否仍会促进动脉粥样硬化。.

为什么这很重要

It underpins the 'athlete paradox' and cautions against assuming high fitness automatically means clean arteries.

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

Masters 60+ Category (Age-Graded Record)

定义

An officially recognised competitive classification for cyclists aged 60 and above, with separately ratified national and world records that allow age-matched comparison of performance and reflect the cardiovascular capabilities of older athletes.

为什么这很重要

Age-stratified performance data are valuable for understanding cardiovascular aging and the benefits of sustained endurance training later in life.

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

大师级运动员

定义

大师级运动员是指35岁以上、进行严肃训练和比赛(通常持续数十年)的竞技者。.

为什么这很重要

This group challenges standard assumptions. They have exceptional fitness alongside sometimes surprising coronary calcium, altered protein needs, and a raised risk of atrial fibrillation — so ordinary advice can fit them badly.

巅峰体能与隐形钙化:运动员的斑块积聚悖论

成年运动员

定义

具有竞争力的或经过高度训练的耐力运动员通常被定义为年龄在35岁以上、进行过多年高强度或高训练量训练的个人;他们是运动员悖论研究中主要被研究的人群,因为他们长期的运动史可能 paradoxically(矛盾地)与升高的冠状动脉钙化积分相关。.

为什么这很重要

This group challenges the assumption that more exercise always means a cleaner bill of cardiovascular health.

阅读:冠状动脉钙化与运动风险

Masters Category (Cycling)

定义

Age-based competitive divisions in cycling—typically in five-year bands—that allow older athletes to compete for records and titles against peers of similar age rather than against open-category professionals.

为什么这很重要

Megdal's record is specific to the men's 60–64 masters category, a distinct classification from the open pro Hour Record.

彼得·梅格达尔 (Peter Megdal) 登上《戴德姆时报》

Matrix Gla-Protein (MGP)

定义

基质Gla蛋白是一种由血管平滑肌细胞分泌的维生素K依赖性蛋白,可作为动脉钙化的生理抑制剂;它需要维生素K2进行羧化才能具有活性。.

为什么这很重要

It connects the proposed vitamin K2 hypothesis to the observation that statins may accelerate calcium densification in plaques.

雌激素能保护女性动脉免受斑块形成吗?

Matrix Metalloproteinases (MMPs)

定义

Matrix metalloproteinases are enzyme proteins — notably MMP-2 and MMP-9 — that cleave structural proteins such as elastin and collagen; in abdominal aortic aneurysm, MMP activity can exceed normal aortic tissue levels by more than tenfold, permanently dismantling the wall's scaffold because adult elastin cannot be regenerated.

为什么这很重要

These molecular 'scissors' are the primary engine of AAA destruction, which is why controlling the inflammation that activates them is a central treatment target.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

Maximal Lactate Steady State (MLSS)

定义

The highest exercise intensity at which blood lactate production and clearance remain in equilibrium, representing the upper boundary of sustainable aerobic effort; in elite endurance athletes it typically occurs at 80–90% of VO₂max.

为什么这很重要

Understanding MLSS explains why hour-record pacing is so demanding—riders must hold the edge of what the body can sustain without lactate accumulating to fatigue-inducing levels.

精英老将自行车手的生理优化与寿命表现建模

Mechanotransduction

定义

机械转导是细胞将机械刺激(如拉伸、压力或剪切力)转化为改变细胞行为和基因表达的生化信号的生物学过程。.

为什么这很重要

The article invokes mechanotransduction to explain how exercise-induced pressure surges may upregulate proteoglycan synthesis in the arterial wall, increasing the likelihood that ApoB particles become trapped.

阅读:耐力运动对动脉是有益还是有害?

Mediation Analysis

定义

一种统计技术,用于量化暴露(如高BMI)与结局(如冠状动脉疾病)之间的关系在多大程度上可由中间变量(称为中介变量,如血压、血糖或血脂水平)来解释。它不能证明因果关系,但有助于确定哪些通路介导了风险。

为什么这很重要

Knowing that most of obesity's heart risk travels through blood pressure and metabolic factors means those factors need to be treated directly, not just body weight.

Read: Obesity and heart disease

Medical Cardiologist

定义

A medical cardiologist (also called a non-interventional or clinical cardiologist) manages cardiovascular disease primarily through diagnosis, risk factor modification, and pharmacological therapy rather than catheter-based or surgical procedures. In the article, both a medical cardiologist and an interventional cardiologist were present during the angiogram, illustrating the distinct roles each…

为什么这很重要

Patients often see multiple cardiologists with different scopes of practice, and understanding the distinction helps them ask the right questions.

阅读:curingheartdisease.com 的 Peter Megdal 专访

地中海饮食

定义

地中海饮食以蔬菜、水果、豆类、全谷物、坚果和橄榄油为主,辅以鱼类,且红肉摄入量很少。.

为什么这很重要

It has strong evidence for reducing heart attacks and strokes. What it has not clearly shown is the ability to shrink existing coronary plaque — a different and higher bar that only a few very intensive diets have been tested against.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

Medium-Chain Triglycerides (MCTs)

定义

Triglycerides composed of fatty acids with 6–12 carbon chains (most clinically relevant preparations focus on C8:0 caprylic and C10:0 capric acids), which are absorbed more rapidly than long-chain fats, preferentially enter portal circulation, and undergo hepatic beta-oxidation; commercial MCT oils are distinct from coconut oil, which is dominated by the borderline C12:0 lauric acid rather than C…

为什么这很重要

The MCT claim is the main scientific-sounding reason consumers choose coconut oil, so knowing what MCTs actually are clarifies whether that claim holds up.

椰子油作为健康食品的神话:行业如何左右你的饮食!

Medroxyprogesterone Acetate (MPA)

定义

Medroxyprogesterone acetate is a synthetic progestin used in the original Women's Health Initiative trial combined with conjugated equine estrogens; its androgenic properties can blunt estrogen's beneficial effects on blood vessels and lipids, and it is associated with worse cardiovascular outcomes than natural progesterone.

为什么这很重要

Much of the cardiovascular harm attributed to hormone therapy in older studies may have been driven by MPA rather than estrogen itself.

阅读:新型雌激素贴片能预防心脏病吗?真相解析

Melatonin

定义

A hormone secreted by the pineal gland in response to darkness that signals the brain's circadian clock to initiate sleep; its secretion occurs earlier and at lower amplitude in older adults. As a supplement, randomized trials show it shortens time to fall asleep by roughly seven minutes on average and is considered safe, though its effect is modest.

为什么这很重要

It is one of the most widely used sleep supplements, and knowing its actual effect size helps readers calibrate expectations against the marketing claims.

阅读:睡眠与您的心脏

孟德尔随机化

定义

孟德尔随机化是一种巧妙的研究方法,它利用人们天生携带的基因作为自然实验。.

为什么这很重要

Because genes are shuffled randomly at conception, comparing people who inherited naturally low cholesterol with those who didn't sidesteps the usual confusion about lifestyle. It is a major reason we are confident cholesterol particles cause heart disease rather than just accompanying it.

心血管保护的遗传架构

更年期

定义

Menopause is when a woman's periods stop permanently, usually around age 51, as estrogen levels fall.

为什么这很重要

Cardiovascular risk tends to climb afterward. Cholesterol rises, blood pressure often increases, and fat redistributes toward the abdomen. It is a good moment to get a full risk assessment rather than assuming heart disease is a men's problem.

雌激素能保护女性动脉免受斑块形成吗?

MET (Metabolic Equivalent of Task)

定义

A unit expressing the energy cost of physical activity relative to sitting rest; one MET equals roughly 3.5 mL of oxygen consumed per kilogram of body weight per minute, making it a convenient way to quantify and compare fitness levels.

为什么这很重要

The article uses MET increments to quantify how much each unit of fitness improvement reduces mortality risk.

阅读:最大摄氧量 (VO₂ max):健康与长寿的决定因素?

MET-Hours (Metabolic Equivalent of Task-Hours)

定义

A MET is a unit that expresses the energy cost of a physical activity relative to sitting at rest; MET-hours per week combine intensity and duration into a single dose metric. The article uses ≥15 MET-hours/week as the aerobic activity threshold roughly equivalent to 150 minutes/week of moderate-to-vigorous exercise.

为什么这很重要

The article uses MET-hours to define who met the aerobic activity target in the 'triple threat' analysis.

阅读:举铁能帮助你的心脏泵血吗?

Meta-Organismal Relay

定义

The meta-organismal relay describes the biochemical hand-off in which dietary compounds are first transformed by gut microbiota into intermediate metabolites and then further modified by host organs — such as the liver — to produce molecules with systemic physiological effects; TMAO production is the canonical example of this process.

为什么这很重要

It reframes heart disease risk as a collaboration between your own cells and your gut bacteria, not just your genes.

牛排中的隐形毒素:肠道细菌如何引发心脏病

Metabolic Endotoxemia

定义

代谢性内毒素血症是一种循环脂多糖(LPS,一种细菌细胞壁成分)水平慢性升高的状态,由肠道通配性增加和肠道菌群改变引起,这会导致低度全身性炎症和胰岛素抵抗。.

为什么这很重要

It connects gut health to cardiovascular and metabolic disease, showing that inflammation can originate in the intestine and travel to the heart.

阅读:为什么腹部脂肪比你想象的更危险

Metabolic Equivalent of Task (MET)

定义

A metabolic equivalent of task is a unit expressing the energy cost of a physical activity relative to sitting quietly (1 MET ≈ 3.5 mL O₂/kg/min). Exercise intensity is commonly classified as vigorous (6–9 METs) or very vigorous (≥9 METs), and in the MARC-2 study these thresholds were used to distinguish exercise intensities that slow plaque progression from those associated with accelerated calc…

为什么这很重要

The MET threshold of 9 helps explain why pushing too hard may promote more plaque buildup even in fit athletes.

阅读:运动不会消除动脉斑块——它会使其石化!

代谢综合征

定义

代谢综合征是一组通常同时出现的五大健康问题:腰围过粗、甘油三酯偏高、高密度脂蛋白(HDL)偏低、血压偏高以及血糖偏高。符合其中三项或三项以上即确诊。.

为什么这很重要

It usually points to insulin resistance underneath. It is a useful warning flag, but each piece still needs to be measured and treated in its own right.

阅读:为什么腹部脂肪比你想象的更危险

Metabolically Neutral

定义

代谢中性是指一种药物或化合物不会显著改变血压、血脂水平、胰岛素敏感性或其他代谢参数;微粉化孕酮就被这样描述,因为与合成孕激素不同,它不会恶化胆固醇或升高血压。.

为什么这很重要

A metabolically neutral progestogen allows estrogen's cardiovascular benefits to work without being counteracted.

阅读:新型雌激素贴片能预防心脏病吗?真相解析

代谢性炎症

定义

A chronic, low-grade inflammatory state driven by excess nutrients—particularly saturated fat—that activates innate immune receptors such as TLR4, producing sustained cytokine signaling in the absence of infection; distinct from classical acute inflammation.

为什么这很重要

It names the specific type of inflammation that connects a high-fat diet to ongoing arterial damage and plaque destabilization.

阅读:动脉粥样硬化消退的病理生理决定因素:超低脂全食物植物性营养方案的关键性

蛋氨酸

定义

Methionine is an essential amino acid found at high concentrations in animal proteins such as whey; many cancer cells are 'methionine dependent,' meaning they preferentially use methionine to fuel their growth. The article uses this dependency—sometimes called the Hoffman Effect—to argue that plant proteins, which are lower in methionine, may carry a lower oncological risk for older athletes.

为什么这很重要

It is the specific reason the article recommends considering plant proteins alongside or instead of whey for cancer-risk management in older athletes.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

Methionine Synthase

定义

催化同型半胱氨酸再甲基化为蛋氨酸的酶,以5-甲基四氢叶酸作为甲基供体,以甲基钴胺素(活性维生素B-12)作为辅助因子;由于缺乏B-12而导致的活性受损会导致同型半胱氨酸积聚。.

为什么这很重要

It links B-12 deficiency directly to rising homocysteine levels, helping explain why B-12 status is one of the first things to check when the level is high.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

Methylcobalamin

定义

维生素B-12的活性辅酶形式,作为蛋氨酸合成酶的辅助因子,促使同型半胱氨酸重新甲基化为蛋氨酸;它是该途径中直接使用的形式,而不是必须先经转化的氰钴胺。.

为什么这很重要

Knowing this helps evaluate claims that 'active' B-12 forms are superior to standard supplements for lowering homocysteine.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

Mevalonate Pathway

定义

甲羟戊酸途径是细胞(主要是肝脏)合成胆固醇及相关分子的多步骤生物化学途径;他汀类药物和bempeoic acid(别喷托酸)作用于该途径的两个不同节点,从而减少胆固醇的生成。.

为什么这很重要

Knowing that multiple drugs can interrupt this pathway at different points explains why combination therapy can lower LDL more than doubling up on one drug.

我应该服用降胆固醇药吗?当然应该。.

Microcalcification

定义

动脉粥样硬化斑块内低于常规CT分辨率阈值的微小钙化沉积物;与密集的宏观钙化不同,微钙化会在纤维帽内产生机械应力并增加斑块破裂的易感性。.

为什么这很重要

Microcalcification explains how a patient can have a zero CAC score yet still harbor rupture-prone plaque.

零的力量:没有钙 – 没有风险?

微粉化孕酮

定义

Micronized progesterone is a bioidentical form of natural progesterone processed into fine particles for better absorption; unlike synthetic progestins such as MPA, it does not raise blood pressure, worsen cholesterol, or blunt estrogen's favorable cardiovascular effects.

为什么这很重要

Choosing this form of progesterone over older synthetic versions may avoid much of the cardiovascular harm seen in the original WHI trial.

阅读:新型雌激素贴片能预防心脏病吗?真相解析

Microplastics

定义

Tiny plastic particles — generally under 5 millimeters — released from food packaging, textiles, household plastics, and industrial waste; they are now detected in human food, drinking water, air, and body tissues, including inside arterial plaques.

为什么这很重要

Understanding what microplastics are is essential context for evaluating their potential role in heart disease.

问答:日常微塑料是否在助长心脏病?

微血管功能障碍

定义

微血管功能障碍是心脏最小血管的一种疾病,这些血管太小,在任何血管造影上都无法看到。.

为什么这很重要

A person can have genuine chest pain and real oxygen shortage while being told their arteries are clean. It is more common in women and in people with diabetes, and it needs different testing to find.

体质好如何掩盖心脏病发作

老兵百万计划

定义

The Million Veteran Program is a large US biobank and genomic research initiative drawing on veterans' health data; genetic analyses from this cohort have been used to identify causal relationships between ApoB-raising gene variants and conditions such as peripheral artery disease.

为什么这很重要

Its massive scale gives genetic findings unusual statistical power, strengthening the causal case linking ApoB to diseases beyond the heart.

为什么载脂蛋白B(ApoB)很重要?

MIND Diet

定义

MIND饮食(地中海-DASH神经退行性延迟干预饮食)是一种结合了地中海饮食和DASH饮食元素的膳食模式,主要强调蔬菜、浆果、坚果、豆类、鱼类和全谷物的摄入,专门为减缓认知衰退的潜在作用而设计和研究。.

为什么这很重要

Along with the Mediterranean diet, the MIND diet has the strongest evidence for protecting brain health, fitting the article's argument that arterial-friendly eating in midlife protects cognitive function later.

阿尔茨海默病其实始于你的动脉吗?

Mindfulness-Based Stress Reduction (MBSR)

定义

正念减压疗法是一项为期8周的系统性课程,教授冥知、身体觉知和瑜伽作为管理压力的工具,最初由乔恩·卡巴金(Jon Kabat-Zinn)开发。它是文章所审查的临床试验中评估的具体冥想技术之一。.

为什么这很重要

MBSR is the form of meditation with the largest body of trial evidence, so understanding what it is helps you evaluate whether a study's findings apply to the type of meditation you might practice.

阅读:压力会致命吗?冥想能救命吗?

Mineral Oil Placebo

定义

The inert-appearing substance used in the placebo arm of REDUCE-IT; its use has been contested because the placebo group experienced modest increases in LDL-C and hs-CRP, raising the possibility that mineral oil was not fully biologically inert and may have modestly inflated the apparent benefit of icosapent ethyl.

为什么这很重要

This controversy is central to evaluating how much of REDUCE-IT's striking results reflect a true drug effect versus a compromised control arm.

阅读:心脏病与鱼油

最小管腔直径

定义

Minimal lumen diameter is the narrowest point inside a coronary artery as measured by quantitative coronary angiography; it is used in serial imaging trials as an indicator of whether disease is progressing or regressing, though it reflects only the open channel and not the plaque hidden within the artery wall.

为什么这很重要

It was the key measurement in early diet-and-angiography trials like the Lifestyle Heart Trial, and its limitations explain why those studies can be misleading.

阅读:饮食与药物,或者结果与逆转,哪个更重要?

Minnesota Coding

定义

A standardized system for classifying and scoring electrocardiographic findings—particularly Q waves, ST changes, and T-wave abnormalities—used in epidemiological studies to identify silent or unrecognized myocardial infarction from ECG tracings. In ARIC, different Minnesota Code criteria changed the estimated prevalence of ECG-defined silent infarction more than tenfold.

为什么这很重要

The choice of coding criterion dramatically affects how many silent heart attacks a study 'finds,' which explains why published prevalence figures vary so widely.

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

Misregistration Artifact

定义

A blurring or step-like distortion in a CT image that arises when the heart is scanned across multiple heartbeats and the acquired slices do not align perfectly, degrading image quality and potentially obscuring or mimicking plaque.

为什么这很重要

Wide-detector scanners that capture the whole heart in one heartbeat are promoted partly because they eliminate this artifact, a claim the article asks readers to evaluate critically.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

Missense Variant

定义

错义变异是基因中的单个核苷酸改变,会导致生成的蛋白质中一个氨基酸被另一个氨基酸取代,从而可能改变其功能;在心脏保护遗传学中,功能减弱的错义变异(例如PCSK9中的变异)可以在出生时就降低致动脉粥样硬化脂蛋白的水平,而不会完全消除该蛋白质。.

为什么这很重要

Many of the natural genetic protections against heart disease are missense variants that quietly reduce, rather than eliminate, a harmful protein throughout life.

心血管保护的遗传架构

Mitochondrial Biogenesis

定义

Mitochondrial biogenesis is the cellular process by which new mitochondria—the organelles that generate energy—are created inside muscle and heart cells; it is stimulated primarily by aerobic exercise and cannot be replicated by any currently available medication.

为什么这很重要

Understanding this helps explain why 'normal' blood work does not mean a healthy, high-functioning heart and body.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

Mitochondrial Density

定义

The concentration of mitochondria within muscle fibers, which determines the cell's capacity for aerobic energy production; endurance training is associated with preserving mitochondrial density in older athletes.

为什么这很重要

Higher mitochondrial density means muscles can generate more energy aerobically, delaying fatigue during prolonged efforts like the hour record.

精英老将自行车手的生理优化与寿命表现建模

线粒体自噬

定义

线粒体自噬是细胞选择性识别并降解受损或功能失调的线粒体的一种细胞过程,起着质量控制机制的作用;受损的线粒体自噬已被认为可能是血管衰老的一个促进因素,尽管人类的相关证据主要仍处于临床前阶段。.

为什么这很重要

Mitophagy is increasingly discussed in longevity and cardiovascular research, but it is important to know that its relevance to human heart disease has not yet been established in clinical trials.

Read: Heart disease accelerates as you age

Mixed-Morphology Plaque

定义

Mixed-morphology plaque is coronary plaque that contains both calcified and non-calcified (soft) components; it is generally considered more dangerous than purely calcified plaque because the soft, lipid-rich portions are more prone to rupturing and triggering a heart attack.

为什么这很重要

The distinction between stable calcified plaque and dangerous mixed-morphology plaque is the key to understanding why athlete 'rust' is often less deadly than the rust seen in sedentary people.

巅峰体能与隐形钙化:运动员的斑块积聚悖论

mmol/L·年

定义

mmol/L-years is a unit expressing cumulative cholesterol exposure, calculated by multiplying a person's average LDL-C concentration (in mmol/L) by the number of years they have been exposed to that level. It converts a single snapshot measurement into a running total of arterial damage, allowing clinicians to estimate when an individual will cross the threshold for clinical atherosclerotic diseas…

为什么这很重要

This metric shows why a child with extreme cholesterol can accumulate decades of arterial damage in just a few years.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

Modelflow Aortic Age Algorithm

定义

A method developed by Dr. Benjamin Levine's laboratory that uses the central aortic pressure waveform and stroke volume to calculate the structural compliance of the aorta, translating the result into a biological vascular age independent of transient blood pressure fluctuations.

为什么这很重要

It gives a concrete biological age for your arteries, making abstract cardiovascular risk tangible and actionable.

你的心脏比你更老吗?逆转心血管年龄的科学

Molecular Autopsy

定义

分子尸检是对死后组织进行的基因分析,用于识别可能解释猝死原因的遗传性离子通道或结构基因变异,而此时常规病理检查并未发现解剖学病因;它在大量病因不明的尸检阴性病例中能够明确识别出一种有意义的遗传性心律失常综合征。.

为什么这很重要

A molecular autopsy result can explain an unexplained death and reveal which living relatives need cardiac evaluation.

如何避免英年早逝

Monacolin K

定义

红曲米中具有活性的降胆固醇成分;它在化学结构上与洛伐他汀完全相同,并能抑制 HMG-CoA 还原酶(这是处方他汀类药物靶向的同一种酶)。.

为什么这很重要

The presence of monacolin K explains both why red yeast rice can lower LDL and why its quality control matters—potency varies widely between brands.

纳豆激酶与心血管斑块:人体研究的真实情况

Monounsaturated Fatty Acids (MUFAs)

定义

Monounsaturated fatty acids are fats with a single carbon-carbon double bond; oleic acid, the principal fat in olive oil, is the most common dietary MUFA, and it is often cited as the reason olive oil is considered heart-healthy.

为什么这很重要

Knowing what MUFAs are clarifies why Mendelian randomization—finding no causal cardiac benefit—is a direct challenge to olive oil's health claims.

阅读:橄榄油真的健康吗?

Morphometric Analysis

定义

Morphometric analysis is a quantitative measurement technique applied to tissue cross-sections to calculate the size and area of structures such as arterial lumen, plaque, and vessel wall, allowing researchers to objectively compare the degree of narrowing or regression across experimental groups.

为什么这很重要

This is the method that produced the headline finding—an 80% larger coronary channel after cholesterol lowering—so knowing what it means helps readers weigh the evidence.

Read: Can heart disease be reversed?

Morphometric Vertebral Fracture

定义

A spinal fracture identified by measuring and comparing vertebral body dimensions on imaging rather than relying on symptoms; many such fractures are clinically silent, so morphometric analysis captures fracture burden more completely than counting only fractures that cause pain or hospitalization.

为什么这很重要

Clinical trials use morphometric fracture counts as a more sensitive endpoint than symptomatic fractures, meaning the trial numbers are a more complete picture of a drug's skeletal protection than everyday clinical practice might suggest.

阅读:骨质疏松症与心脏病

MTHFR C677T

定义

MTHFR基因中的一个常见遗传变异,会降低亚甲基四氢叶酸还原酶的活性,从而轻度升高同型半胱氨酸水平——尤其是在膳食叶酸摄入不足时;纯合子(携带两个拷贝)产生的效应比单一拷贝更大。.

为什么这很重要

Supplement marketing often targets people with this variant, but the article notes that genetically elevated homocysteine in this range has not been shown to raise coronary risk independently.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

mTOR (Mechanistic Target of Rapamycin)

定义

A conserved intracellular kinase that acts as a master switch integrating nutrient availability, growth factors, and energy status to coordinate cell growth, protein synthesis, and autophagy; mTORC1, its nutrient-sensitive complex, is implicated in aging biology because chronic hyperactivation promotes growth signaling while suppressing the cellular cleanup processes needed to remove damaged prot…

为什么这很重要

Understanding mTOR explains why the same high-protein diet that builds muscle in a 35-year-old may be less desirable in a healthy 50-year-old, and why timing and amount of protein intake matter for longevity.

阅读:停止随着年龄增长而衰弱……新兴的抗衰老科学!

mTORC1 (Mechanistic Target of Rapamycin Complex 1)

定义

mTORC1 is a protein complex inside cells that acts as a master switch for muscle protein synthesis; when activated by amino acids, exercise, or hormones, it promotes tissue growth, and when suppressed, the body shifts toward breakdown and maintenance. In aging muscle, its sensitivity to normal dietary signals is blunted, which is the molecular basis of anabolic resistance.

为什么这很重要

Understanding mTORC1 explains why older athletes need more protein per meal to trigger the same muscle-building response as younger people.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

MTTP (Microsomal Triglyceride Transfer Protein)

定义

MTTP is a protein essential for loading triglycerides onto ApoB in the liver and intestine, enabling the assembly and secretion of ApoB-containing lipoproteins such as VLDL and chylomicrons. Biallelic loss-of-function mutations in MTTP cause abetalipoproteinemia, virtually eliminating circulating ApoB particles.

为什么这很重要

It is the molecular switch whose failure produces the human zero-ApoB model, confirming the link between ApoB assembly and atherosclerosis risk.

心脏病是一种选择吗?阻止斑块形成的‘零风险’秘诀

动脉粥样硬化多族裔研究

定义

一项针对最初无心血管疾病成人的大型前瞻性队列研究,为冠状动脉钙化积分提供了基础数据,证明了CAC负荷与未来冠状动脉事件之间存在强烈的等级相关性,并验证了零CAC积分的风险意义。.

为什么这很重要

MESA data underpin current clinical guidelines on when to use CAC scoring and how to interpret results, making it a reference point for any discussion of calcium scoring.

阅读:低密度脂蛋白“坏”胆固醇:载脂蛋白 B、成像分辨率以及 60 岁时“正常”冠状动脉的幻象

Multidetector Computed Tomography (MDCT)

定义

A CT scanner design that uses multiple rows of detectors to acquire several image slices simultaneously, offering high spatial resolution and fast acquisition; it has largely replaced earlier electron beam CT for coronary calcium scoring because of its wide availability and comparable accuracy.

为什么这很重要

MDCT is the workhorse behind almost every CAC score reported today, so understanding its role clarifies why the test is now widely accessible.

阅读:冠状动脉钙化与运动风险

Muscle Protein Synthesis (MPS)

定义

Muscle protein synthesis is the cellular process by which muscle fibers build new contractile proteins, driven by amino acid availability and mechanical loading; the rate of MPS relative to muscle protein breakdown determines whether muscle mass is gained, maintained, or lost. In older adults, the MPS response to a given protein dose is blunted compared with younger adults.

为什么这很重要

MPS is the key process athletes are trying to stimulate with post-workout protein, and its age-related decline is the core problem this article addresses.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

他汀类药物引起的肌肉症状

定义

Some people report aching or weak muscles after starting a statin. Real statin muscle injury exists, but it is rare.

为什么这很重要

Carefully designed studies where neither patient nor doctor knew who got the real pill found that most reported symptoms appeared just as often on placebo. This is called the nocebo effect — expecting a side effect can produce it. It matters because it leads many people to quit a medicine that was protecting them.

我应该服用降胆固醇药吗?当然应该。.

心肌梗死

定义

请参阅“心脏病发作”以获取完整条目。.

Myocardial Perfusion

定义

心肌灌注是指将富含氧气的血液输送至心肌本身;可以通过PET显像对其进行测量,以评估饮食或药物干预是否改善了先前供血不足的心肌组织的血流量。.

为什么这很重要

Evidence of improved myocardial perfusion on imaging provides functional confirmation that plaque regression translates into real benefit for the heart muscle.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

心肌

定义

心肌是心脏的肌肉壁——也就是实际收缩以将血液推送到全身的部分。.

为什么这很重要

When it is starved of oxygen for too long, the damage is permanent. Muscle that dies is replaced by scar tissue, which does not contract.

肌动蛋白

定义

肌肉因子是骨骼肌细胞在收缩期间分泌的小分子信号蛋白,它们通过血液循环对包括心脏、肝脏和脂肪组织在内的远端器官产生影响。文中讨论的例子包括鸢尾素、FGF21 和核心蛋白聚糖,它们会影响脂肪代谢、葡萄糖处理和炎症。

为什么这很重要

Myokines are the molecular mechanism explaining why building muscle can benefit cardiovascular health even independent of weight loss.

阅读:举铁能帮助你的心脏泵血吗?

Myristic Acid (C14:0)

定义

A 14-carbon saturated fatty acid present at 16–21% in coconut oil; alongside lauric acid, it is considered one of the most potent LDL-cholesterol–raising saturated fatty acids in the diet when exchanged for cis-unsaturated fats.

为什么这很重要

It explains a large part of why coconut oil raises LDL more than oils rich in oleic acid.

椰子油作为健康食品的神话:行业如何左右你的饮食!

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N

N-Glycolylneuraminic Acid (Neu5Gc)

定义

A non-human sialic acid sugar molecule found on the cell surfaces of most mammals, including cattle, pigs, and sheep, but not synthesized by humans; it can be absorbed from red meat and incorporated into human tissues, where it may trigger an immune response.

为什么这很重要

It is the central molecule in the proposed red meat–inflammation–atherosclerosis pathway discussed throughout the article.

阅读:问答:你对红肉的热爱会有危险吗?

n-of-1 Trial

定义

一项在单个个体中进行的双盲随机交叉试验,该试验在多个周期内在积极治疗和安慰剂之间交替,从而能够将症状归因于药物而非该患者的期望,而不依赖于群体平均值。.

为什么这很重要

Provides the most rigorous individual-level evidence for whether a specific athlete's symptoms are truly caused by their statin.

阅读:《运动员的胆固醇:如何在不影响竞技状态的情况下降低低密度脂蛋白(LDL)》(他汀类药物实用指南)

NADH/NAD+ Ratio

定义

细胞氧化还原状态的一个指标,反映了烟酰胺腺嘌呤二核苷酸的还原型(NADH)与氧化型(NAD+)形式之间的平衡;乙醇代谢会提高肝细胞中的这一比率,从而抑制糖异生并将肝脏代谢转向脂肪酸合成,这会导致高甘油三酯血症,并可能加速重度饮酒者的动脉粥样硬化。.

为什么这很重要

This biochemical shift links alcohol metabolism directly to worsened lipid profiles and liver fat accumulation.

半满的玻璃杯:为什么科学正向“有益心脏健康”的饮酒习惯挥手告别

Nanoplastics

定义

Plastic particles smaller than 1 micrometer (often defined as under 100 nanometers) that can penetrate cell membranes and tissues more readily than larger microplastic fragments; referenced alongside microplastics in human atheromatous plaque studies.

为什么这很重要

Nanoplastics represent the most biologically active and penetrating end of the plastic-particle spectrum relevant to cardiovascular research.

问答:日常微塑料是否在助长心脏病?

NAPS Trial (Nattokinase Atherothrombotic Prevention Study)

定义

A randomized, double-blind, placebo-controlled trial that tested nattokinase at 2,000 Fibrinolytic Units per day and measured its effect on subclinical atherosclerosis using carotid ultrasound and arterial stiffness; the trial found no significant slowing of atherosclerosis progression compared to placebo.

为什么这很重要

The NAPS trial is the highest-quality human evidence on nattokinase and plaque, making it the benchmark against which all other claims should be judged.

纳豆激酶与心血管斑块:人体研究的真实情况

叙述性综述

定义

A narrative review is a type of scientific article that synthesizes existing research on a topic through expert selection and interpretation rather than through a pre-registered, exhaustive search with formal bias scoring; unlike a systematic review or meta-analysis, its conclusions can reflect the authors' editorial judgment in choosing which studies to emphasize.

为什么这很重要

Knowing the study design helps you judge how much weight to give the article's conclusions versus findings from more rigorous systematic reviews.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

国家胆固醇教育计划

定义

国家胆固醇教育计划是美国政府于1985年发起的一项倡议,该计划发布了一系列成人治疗专家组(ATP)报告——1988年的ATP I、1993年的ATP II和2001年的ATP III,确立了首个标准化的低密度脂蛋白胆固醇(LDL-C)数值目标,并在几十年来塑造了临床胆固醇管理。.

为什么这很重要

The NCEP guidelines defined what 'high' and 'normal' cholesterol meant for a generation of patients and physicians, making their evolution central to understanding how targets have changed.

为什么你‘正常’的胆固醇其实是一个警告信号

National Registry of Myocardial Infarction (NRMI)

定义

A large U.S. hospital-based registry that collected clinical data on confirmed myocardial infarction cases; analysis of over 1.1 million patients found that 35% presented without chest pain, with the highest rate—42%—in women. Higher in-hospital mortality was observed in younger women who lacked the classic symptom.

为什么这很重要

The registry demonstrates how often the textbook symptom is absent, explaining a key mechanism by which real heart attacks become unrecognized.

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

纳豆激酶

定义

纳豆激酶是从纳豆(发酵大豆)中提取的一种纤溶酶,能够分解血栓的蛋白质支架——纤维蛋白;它作为一种膳食补充剂广泛销售,用于改善血液循环、调节血压以及(争议性地)减少斑块。.

为什么这很重要

Understanding what nattokinase actually does biologically helps distinguish its legitimate uses from exaggerated marketing claims.

纳豆激酶与心血管斑块:人体研究的真实情况

Near-Infrared Spectroscopy (NIRS)

定义

Near-infrared spectroscopy is an intravascular imaging technique that uses light to detect the lipid content of coronary plaques, helping identify lipid-rich plaques that may be at higher risk of rupture.

为什么这很重要

It adds information about plaque composition — not just size or calcification — which matters because lipid-rich plaques are more likely to cause heart attacks.

阅读:饮食与药物,或者结果与逆转,哪个更重要?

Neointimal Hyperplasia

定义

支架置入术后动脉内平滑肌和内皮组织的快速过度增生,这会导致血管逐渐狭窄或完全重新阻塞;这是洗脱药物支架旨在预防的主要问题。.

为什么这很重要

Neointimal hyperplasia was the major limitation of bare-metal stents and directly drove the development of drug-eluting technology.

阅读:心脏支架的细节

Net Reclassification Improvement (NRI)

定义

A statistical measure of how much a new test or biomarker improves the correct classification of individuals into higher or lower risk categories compared with an existing model; in the SCAPIS study, adding CCTA to the Pooled Cohort Equation produced an NRI of 0.133, largely by correctly upgrading risk in people who later had events.

为什么这很重要

It quantifies, in practical terms, how many patients are moved into the right treatment category when a better test is used.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

Neu5Ac (N-Acetylneuraminic Acid)

定义

Neu5Ac is the predominant sialic acid found on human cell surfaces, synthesized de novo in all vertebrates; because humans lack CMAH, Neu5Ac cannot be converted to Neu5Gc, making it the only sialic acid decorating human glycoproteins and glycolipids.

为什么这很重要

It is the 'self' sugar the human immune system is calibrated to recognize, so any foreign sialic acid incorporated into tissues triggers an immune response.

你的免疫系统在与你的牛排开战吗?

Neu5Gc

定义

Neu5Gc 是一种存在于红肉中的糖分子。人类在数百万年前失去了制造它的能力,但当我们吃牛肉、猪肉或羊肉时,仍然会吸收它。.

为什么这很重要

Because our bodies see it as foreign, we make antibodies against it. Some researchers think this low-grade immune reaction against our own tissues may be one reason red meat is tied to heart disease.

你的免疫系统在与你的牛排开战吗?

Neuroendocrinology

定义

The branch of science studying how the nervous system and endocrine (hormone) system interact, particularly how hormones regulate brain function and how the brain controls hormone secretion.

为什么这很重要

Menopause is increasingly understood as a neuroendocrine event, not just a reproductive one, so knowing this term clarifies the scope of what is being discussed.

绝经 内分泌 心血管 风险

Neuromuscular Timing

定义

The coordinated sequencing of nerve signals to muscles that produces smooth, efficient movement patterns; it can be disrupted by injury or surgery and must be deliberately retrained during rehabilitation.

为什么这很重要

Poor neuromuscular timing wastes energy and increases injury risk, making its recovery an important but often overlooked part of returning to exercise after orthopedic surgery.

阅读:永无止境的那一小时

NF-κB (Nuclear Factor Kappa-B)

定义

NF-κB is a protein complex that acts as a master regulator of inflammation inside cells; when activated in macrophages and vascular cells, it switches on genes that produce inflammatory cytokines and promote atherosclerotic plaque growth, and GLP-1 receptor signaling suppresses its translocation into the cell nucleus.

为什么这很重要

NF-κB is the molecular switch that GLP-1 drugs turn down to reduce vascular inflammation — understanding it explains the mechanism behind the early heart benefits.

阅读:Ozempic 和 Mounjaro:在体重减轻之前先保护您的心脏

NHLBI Pediatric Lipid Guidelines

定义

Evidence-based recommendations issued by the U.S. National Heart, Lung, and Blood Institute defining acceptable, borderline, and high thresholds for cholesterol, LDL-C, HDL-C, and triglycerides in children aged 2–19, and recommending universal lipid screening at ages 9–11 with earlier screening in high-risk families.

为什么这很重要

These are the clinical cutoffs pediatricians use to decide whether a child's cholesterol warrants lifestyle changes or further evaluation.

阅读:婴儿需要服用他汀类药物吗?

Ni-Hon-San Study

定义

The Ni-Hon-San study compared Japanese men living in Japan, Hawaii, and San Francisco, finding that coronary heart disease rates rose with migration westward alongside increases in serum cholesterol, body mass index, and saturated fat intake, providing influential evidence that environment and diet—rather than genetics alone—drive a large share of cardiovascular risk.

为什么这很重要

It is one of the classic demonstrations that heart disease risk is not fixed by ancestry and that lifestyle changes can matter across a lifetime.

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

烟酸

定义

烟酸是维生素B3,极高剂量时可降低低密度脂蛋白并升高高密度脂蛋白。.

为什么这很重要

It looked promising for decades. Then large trials adding it to statins showed no benefit and more side effects, and it was largely abandoned — another casualty of the idea that raising HDL helps.

Read: Case Study

一氧化氮

定义

一氧化氮是血管内膜产生的一种气体,用来向血管发出放松和变宽的信号。.

为什么这很重要

More nitric oxide means better blood flow and lower pressure. When the lining is damaged by smoking, high blood sugar, or high particle counts, it makes less of it — one of the very first steps toward heart disease.

治疗生物学而非管道:心脏病学激进的新方法

一氧化氮生物利用度

定义

内皮产生并维持一氧化氮充足水平的程度;一氧化氮是一种信号分子,能使血管保持扩张、抑制血小板凝集,并防止炎性细胞粘附在动脉壁上。.

为什么这很重要

The article identifies impaired nitric oxide bioavailability as a key mechanism by which diet and LDL levels drive atherosclerosis, and restoring it as central to disease stabilization.

阅读:心脏病可以治愈吗?

NLRP3 炎症小体

定义

NLRP3炎症小体是免疫细胞内的一个蛋白质复合物,当其被动脉粥样硬化斑块内的胆固醇结晶、氧化脂质或其他危险信号激活时,会触发炎性细胞因子白细胞介素-1β和白细胞介素-6的释放,从而加速斑块的生长和不稳定性。.

为什么这很重要

It is a key mechanism linking cholesterol buildup to inflammation in the artery wall, and a target of newer cardiovascular therapies like colchicine.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

NMR Lipoprotein Particle Analysis (LDL-P / HDL-P)

定义

NMR lipoprotein particle analysis uses nuclear magnetic resonance spectroscopy to count the number of circulating LDL and HDL particles (reported as LDL-P in nmol/L and HDL-P in µmol/L), providing information about particle concentration independent of the cholesterol mass each particle carries.

为什么这很重要

Particle number, rather than cholesterol mass alone, more directly reflects the number of ApoB-containing particles able to penetrate the arterial wall and drive atherosclerosis.

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

反安慰剂效应

定义

反安慰剂效应与安慰剂效应相反:如果你预期一种药物会产生副作用,你就更有可能会切身感受到它。.

为什么这很重要

This is not imaginary — the discomfort is real. It matters enormously with statins, where studies giving people real pills and dummy pills without telling them found muscle aches happening at nearly the same rate in both groups.

我应该服用降胆固醇药吗?当然应该。.

Non-Displaced Fracture

定义

A bone fracture in which the broken segments remain in their normal anatomical alignment; because the fragments have not shifted, surgical fixation is often unnecessary, and healing can proceed with controlled weight-bearing.

为什么这很重要

Understanding fracture classification helps patients and readers appreciate why some breaks allow earlier return to activity than others.

Peter Megdal 于 2021 年 10 月 14 日创造了全国小时计时赛纪录

非高密度脂蛋白胆固醇

定义

Non-HDL cholesterol is a simple calculation: your total cholesterol minus your HDL. What's left is the cholesterol riding in all the particles that can harm your arteries.

为什么这很重要

It costs nothing extra, appears on every lab report you already have, and predicts risk better than LDL alone. If you cannot get an ApoB test, this is the next best thing.

为什么你‘正常’的胆固醇其实是一个警告信号

Non-HDL-Years

定义

非HDL-年是一个累积暴露指标,定义为非HDL胆固醇对年龄曲线下面积;它捕捉了所有含apoB颗粒(包括残余颗粒)的总胆固醇含量,并在青年队列研究中被验证为心血管风险的预测指标,尽管尚未证明其相比LDL-年具有明显优势。.

为什么这很重要

It broadens the exposure picture beyond LDL alone by including triglyceride-rich remnant particles that also contribute to atherogenesis.

载脂蛋白B:更长、更高、更糟

Non-Invasive Test

定义

A non-invasive test is a diagnostic procedure that obtains information about the body without breaking the skin or entering a body cavity; the coronary artery calcium scan is described as non-invasive because it requires only a brief CT scan rather than catheterization or surgery.

为什么这很重要

Knowing a test is non-invasive helps readers understand why it can be offered broadly as a screening tool rather than reserved for sick patients.

Read: You Feel Fine – That’s the Problem

Non-Obstructive Plaque

定义

Atherosclerotic plaque that occupies less than 50% of the coronary artery lumen, allowing blood to flow normally and typically producing no symptoms on standard stress testing; it is nonetheless the source of the majority of myocardial infarctions when it ruptures.

为什么这很重要

Because it causes no obvious blockage, non-obstructive plaque is routinely missed by stress tests, highlighting the need for anatomical imaging.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

Non-Synonymous SNP (Single Nucleotide Polymorphism)

定义

A single-letter change in a DNA coding sequence that alters the amino acid encoded at that position in the resulting protein, potentially changing the protein's structure, stability, or function; distinguished from synonymous SNPs, which change the DNA letter but not the amino acid.

为什么这很重要

Non-synonymous SNPs like the IL6R Asp358Ala variant are the molecular basis of many genetic 'shields' and 'vulnerabilities' discussed in cardiovascular genetics.

阅读:基因彩票:为什么你不能指望自己“刀枪不入”

非钙化斑块

定义

Atherosclerotic deposits within artery walls that have not yet undergone calcification; sometimes called 'soft' plaque, these lesions are lipid-rich and structurally unstable, making them more prone to rupture and acute thrombosis than calcified plaque.

为什么这很重要

Most heart attacks originate from rupture of noncalcified rather than heavily calcified plaques, so detecting it is central to genuine heart attack prevention.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

北卡累利阿项目

定义

北卡累利阿项目是1972年在芬兰启动的一项全社区公共卫生计划,旨在针对整个地区人口的吸烟、饮食和血压问题进行干预。该项目被视为最清晰的自然实验之一,它表明改变群体层面的风险因素(而不仅仅依赖医学)能够大幅减少冠心病的发病率。.

为什么这很重要

North Karelia is the model example of how policy-driven, population-wide prevention can achieve cardiovascular gains that individual clinical treatment cannot replicate at scale.

心血管疾病史

NORVIT Trial

定义

A randomized trial of 3,749 heart attack survivors treated with B vitamins for a median of 40 months that found no cardiovascular benefit from homocysteine lowering; a secondary comparison also identified a borderline signal suggesting possible harm in the group receiving all three vitamins together.

为什么这很重要

It is one of the key trials establishing that lowering homocysteine after a heart attack does not improve outcomes and may warrant caution with combined B-vitamin regimens.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

Norwegian 4×4 Protocol

定义

A high-intensity interval training structure consisting of four bouts of four minutes at 90–95% of maximum heart rate, each separated by three minutes of active recovery; it is the specific HIIT format studied for its ability to drive ventricular remodeling and improve VO₂max.

为什么这很重要

This precise protocol is the 'gold standard' intervention discussed for reversing cardiac stiffness and triggering plaque regression.

你的心脏比你更老吗?逆转心血管年龄的科学

NPC1L1

定义

NPC1L1 是肠道中负责从食物和胆汁中吸收胆固醇的转运蛋白。依折麦布会阻断其作用。.

为什么这很重要

People born with a less active version absorb less cholesterol and have fewer heart attacks — genetic confirmation, arriving before the drug trials finished, that this was a worthwhile target.

心血管保护的遗传架构

氨基末端脑钠肽前体

定义

NT-proBNP(N端B型利钠肽前体)是一种心脏生物标志物,当心肌受到机械应力或压力超负荷时会释放到血液中;在原本无症状的成年人中,其水平升高可能预示着在任何症状出现之前就已存在的早期心力衰竭或不断进展的心血管疾病。.

为什么这很重要

A raised NT-proBNP can reveal hidden cardiac stress in someone who feels perfectly well, prompting earlier investigation or treatment.

医生没有为你开具的心脏检查

需治疗人数

定义

治疗需治数(简称 NNT)是指必须接受治疗以使其中一人受益的人数。.

为什么这很重要

An NNT of 50 means fifty people take the drug so that one avoids a heart attack. It sounds discouraging until you realize nobody knows in advance who the one will be — and that most preventive medicine works this way.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

Nurses' Health Study (NHS)

定义

The Nurses' Health Study is a large, long-running prospective cohort of female registered nurses in the United States that has tracked lifestyle, diet, and health outcomes for decades; a pooled analysis of NHS and NHS II (117,025 women) is the primary dataset cited in this article for the association between resistance training and cardiovascular risk.

为什么这很重要

Understanding where the '44% lower MI risk' figure comes from helps readers judge how much weight to give the finding.

阅读:举铁能帮助你的心脏泵血吗?

Nutritional Epidemiology

定义

The branch of epidemiology that studies relationships between dietary patterns and disease outcomes in populations, relying primarily on observational data such as food-frequency questionnaires and disease registries.

为什么这很重要

Much of the population evidence cited—including the China–Cornell–Oxford Project and Adventist Health Studies—comes from nutritional epidemiology, which has recognised limitations the reader should understand.

阅读:饮食真的能逆转心脏病吗?

Nutritional Ketosis

定义

通过极低碳水化合物饮食刻意维持的一种代谢状态,在此状态下,血液中的β-羟丁酸水平长期升高(通常为 0.5–3 mmol/L),身体优先燃烧脂肪和酮体来提供能量;这与糖尿病酮症酸中毒时高得多的酮体水平截然不同。.

为什么这很重要

The article uses this term when discussing long-term keto interventions in type 2 diabetes and their mixed effects on cardiovascular risk markers.

生酮饮食 vs. 全食植物性饮食:关于运动表现、胰岛素敏感性、逆转心脏病和长寿的硬核证据是什么?

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O

OATP1B1

定义

OATP1B1是一种由SLCO1B1基因编码的肝脏摄取转运体,它积极将他汀类药物(尤其是亲水性他汀)从血液转运至肝细胞中;当其活性因基因变异或药物相互作用而降低时,他汀类药物的血浆浓度会上升,肌肉毒性风险也会增加。.

为什么这很重要

Many cases of statin muscle toxicity trace back to reduced OATP1B1 function, whether from genetics or interacting drugs, making it a key factor in personalized prescribing.

我应该服用降胆固醇药吗?当然应该。.

Obesity Paradox

定义

在一些研究中观察到的现象:患有确诊心血管疾病的超重或中度肥胖患者,其短期生存率似乎比较瘦的患者更好。对此主要的解释是反向因果关系——严重的疾病导致无意的体重减轻,使得体重过低成为病情更重患者的标志,而不是造成更差预后的原因。

为什么这很重要

Understanding this statistical artifact prevents the mistaken conclusion that body fat protects people who already have heart disease.

Read: Obesity and heart disease

Obstructive Sleep Apnea (OSA)

定义

A sleep-disordered breathing condition in which the upper airway repeatedly collapses during sleep, causing intermittent hypoxia, arousal, and surges in sympathetic activity; it is linked to hypertension, atrial fibrillation, stroke, and heart failure.

为什么这很重要

It affects an estimated 936 million adults and is one of the most treatable contributors to high blood pressure and cardiovascular risk.

阅读:睡眠与您的心脏

OCEAN(a)-Outcomes Trial

定义

OCEAN(a)-Outcomes is an ongoing phase 3 cardiovascular outcomes trial testing whether olpasiran, an siRNA that lowers Lp(a), reduces hard cardiovascular events in patients with established atherosclerotic disease and elevated Lp(a).

为什么这很重要

Its results will determine whether aggressively lowering the inherited Lp(a) form of ApoB can translate genetic risk reduction into fewer heart attacks and strokes.

为什么载脂蛋白B(ApoB)很重要?

优势比(OR)

定义

An odds ratio is a statistical measure expressing how much more (or less) likely an outcome is in one group compared with another; an OR of 1.71 for ApoB and coronary heart disease means that genetically higher ApoB is associated with 71% higher odds of developing the disease.

为什么这很重要

Knowing how to read an odds ratio helps you judge how strong the evidence linking ApoB to heart disease really is.

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

奥德赛

定义

ODYSSEY OUTCOMES 研究在近期心肌梗死康复患者中对外周动脉硬化药物阿利库单抗 (alirocumab) 进行了评估。.

为什么这很重要

It reduced repeat events and, in the highest-risk patients, deaths. Together with FOURIER it established PCSK9 inhibitors as genuine outcome drugs rather than just powerful number-movers.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

ODYSSEY OUTCOMES Trial

定义

A large randomized controlled trial evaluating alirocumab in patients after an acute coronary syndrome; its cognitive safety data, alongside meta-analyses, showed no increased dementia risk with profound LDL lowering.

为什么这很重要

Corroborates FOURIER findings across a different PCSK9 inhibitor, strengthening the overall safety conclusion.

Read: Cholesterol: How Low is Too Low?

冲绳饮食

定义

The traditional dietary pattern of Okinawa, Japan—historically comprising approximately 69% sweet potatoes with very low animal product consumption—associated with one of the world's highest concentrations of centenarians.

为什么这很重要

It is a real-world example of an extremely high-carbohydrate, low-protein diet linked to exceptional longevity, directly contradicting the premise of low-carbohydrate diets for long life.

营养学大辩论:原始人饮食法/生酮饮食/旧石器饮食与全食物植物性饮食对长寿和心脏病影响的循证现实

Oleocanthal

定义

特级初榨橄榄油中一种天然存在的酚类化合物,其抑制炎症酶的方式与布洛芬相似;它被认为是地中海饮食减轻血管炎症的一种机制。

为什么这很重要

It gives a specific biological reason—beyond 'healthy fats'—why olive oil is associated with lower cardiovascular risk.

炎症、脂蛋白与以低密度脂蛋白(LDL)为中心的时代的终结

Oligodendrocytes

定义

Oligodendrocytes are glial cells in the central nervous system responsible for producing myelin, the insulating sheath that wraps around nerve fibers and enables rapid electrical signal transmission; TMAO-induced pyroptosis of oligodendrocytes causes demyelination, impairing neural communication and contributing to cognitive decline.

为什么这很重要

Damage to these cells by TMAO provides a direct cellular link between gut bacteria metabolism and brain disease.

牛排中的隐形毒素:肠道细菌如何引发心脏病

橄榄油

定义

橄榄油是地中海饮食中的主要脂肪,富含单不饱和脂肪,而在特级初榨形式中,还富含被称为多酚的植物化合物。.

为什么这很重要

It is a reasonable fat to build a diet around. Where the evidence gets stretched is in claims that it is uniquely protective — much of its benefit appears to come from replacing worse fats rather than from special properties of its own.

阅读:橄榄油真的健康吗?

奥帕西兰

定义

奥帕西兰(Olpasiran)是一种处于III期临床开发阶段的小干扰RNA(siRNA)药物,通过沉默肝脏中负责合成脂蛋白(a)的基因,显着降低循环中脂蛋白(a) [Lp(a)] 的水平。.

为什么这很重要

It represents one of the first potential treatments for the inherited cardiovascular risk carried by elevated Lp(a), which statins cannot address.

为什么载脂蛋白B(ApoB)很重要?

Omega-3 Fatty Acids

定义

欧米伽-3脂肪酸主要存在于多脂鱼、核桃和亚麻籽中。.

为什么这很重要

They clearly lower triglycerides at high doses. Whether ordinary fish oil capsules prevent heart attacks is much less certain, and trial results have been mixed depending on the dose and the exact form used.

光学相干断层扫描

定义

光学相干断层成像术(简称OCT)将光纤探头导入冠状动脉中。它的成像细节比超声波精细大约十倍。.

为什么这很重要

It is the only tool that can actually measure the thickness of a plaque's fibrous cap in a living person. That makes it the standard for asking whether a treatment made a plaque safer.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

Optimal Medical Therapy (OMT)

定义

OMT 指的是循证药物治疗和生活方式干预的全套方案——通常包括他汀类药物、抗血小板药物、血压控制和生活方式改变——被用作冠心病的标准非手术治疗方法。.

为什么这很重要

The major trials in this article compare surgery and stenting against OMT, making it essential to understand what OMT actually involves.

治疗生物学而非管道:心脏病学激进的新方法

口服抗凝治疗

定义

Drug therapy that reduces the blood's ability to clot, used in atrial fibrillation to prevent stroke caused by clots forming in the atria; common agents include warfarin and the newer direct oral anticoagulants (DOACs).

为什么这很重要

For the Masters athlete with AF, stopping OAC can more than double stroke risk — a danger that persists even after a 'successful' ablation.

接受过治疗的心房颤动大师级运动员(50岁以上)的心血管风险管理与训练调整:专家报告

ORBITA Trial

定义

一项于2017年完成的随机、假手术对照临床试验,在稳定性心绞痛患者中将冠状动脉支架置入术与安慰剂手术进行了对比,结果发现两组在运动耐量或症状缓解方面没有显著差异。.

为什么这很重要

ORBITA was the first placebo-controlled trial of stenting and provided the strongest evidence that much of the perceived benefit of elective stenting may be a placebo effect.

阅读:心脏支架的细节

ORION Trials (ORION-1, ORION-10, ORION-11)

定义

A series of phase 2 and phase 3 randomized trials evaluating inclisiran in patients with elevated LDL cholesterol; the trials established that two injections in the first year followed by one injection every six months produced sustained LDL-C reductions of approximately 50%.

为什么这很重要

The ORION program is the direct evidence base for inclisiran's twice-yearly dosing schedule—the central promise of the article.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

欧尼斯生活方式心脏试验

定义

由迪恩·奥尼什(Dean Ornish)领导的一项随机对照试验,旨在验证一项全面的生活方式干预计划——包括极低脂、全食、植物性饮食、适度运动、压力管理和社会支持——是否能在不使用降脂药物的情况下阻止或逆转冠状动脉粥样硬化; 82%名干预组参与者在一年后出现了可测量的斑块逆转。.

为什么这很重要

This trial is the primary evidence cited for the claim that coronary artery disease can be partially reversed through lifestyle alone, making it a landmark reference for anyone reading about heart disease resolution.

阅读:心脏病可以治愈吗?

欧尼斯计划

定义

The Ornish program (Lifestyle Heart Trial) is an intensive multicomponent intervention combining a very-low-fat whole-food plant-based diet (under 10 percent of calories from fat), stress management, moderate exercise, and group support, which reported angiographic regression of coronary lesions in a small randomized trial; the dietary effect cannot be fully separated from the co-interventions.

为什么这很重要

It is frequently cited as evidence that diet can 'reverse' heart disease, though the review notes the angiographic signal rests on limited evidence.

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

Osteoblasts

定义

Bone-forming cells that synthesize and deposit new bone tissue to fill cavities left by osteoclasts; anabolic osteoporosis drugs such as teriparatide work by stimulating their activity.

为什么这很重要

Knowing what osteoblasts do clarifies the fundamental difference between drugs that prevent bone loss and drugs that actually build new bone.

阅读:牙龈疾病与心脏病

Osteoclasts

定义

Specialized bone cells that dissolve and remove small packets of old or damaged bone tissue as part of the normal bone remodeling cycle.

为什么这很重要

Understanding osteoclasts explains how antiresorptive drugs like bisphosphonates work — and why suppressing them can slow bone loss.

阅读:牙龈疾病与心脏病

Osteogenic Differentiation

定义

一种生物学过程,在此过程中血管平滑肌细胞或其他动脉壁细胞转变为类似骨细胞的表型并沉积含钙矿物质,从而推动斑块钙化;这是冠状动脉钙化形成的关键机制。.

为什么这很重要

This process links chronic inflammation and lipid infiltration to the calcification that a CAC scan detects.

零的力量:没有钙 – 没有风险?

Osteopenia

定义

A stage of below-average bone mineral density, defined by a T-score between −1.0 and −2.5, that is less severe than osteoporosis but signals elevated fracture risk and a higher probability of progressing to osteoporosis over time.

为什么这很重要

Osteopenia is the warning stage before osteoporosis; recognizing it is key to early intervention before fractures occur.

阅读:骨质疏松症与心脏病

Osteoprotegerin (OPG)

定义

A naturally occurring decoy receptor that binds RANKL and blocks its ability to activate osteoclasts; in animal models, loss of osteoprotegerin produces both early-onset osteoporosis and arterial calcification simultaneously, illustrating the shared biology of bone and vessel disease.

为什么这很重要

Osteoprotegerin is a key brake on both bone resorption and vascular calcification, making it a central figure in explaining the calcification paradox.

阅读:骨质疏松症与心脏病

Outcome-Wide Umbrella Review

定义

一种系统性综合研究,汇集了涵盖许多不同健康结局的多个荟萃分析的结果,通常结合观察性研究、孟德尔随机化和干预性证据,以评估特定暴露的整体证据基础。.

为什么这很重要

The 2025 umbrella review cited in this article represents one of the most comprehensive assessments of homocysteine's causal role across all cardiovascular outcomes, making it important for interpreting the overall evidence.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

Outward Remodeling

定义

外向重塑(也称为代偿性或正性重塑)是指动脉通过扩大其外径来容纳不断生长的斑块的过程,这样即使动脉壁病变加重,仍能保持内部管腔;正因如此,仅测量管腔开口的标准检测可能会漏诊大量动脉粥样硬化。.

为什么这很重要

Understanding outward remodeling explains why a 'clear' angiogram does not guarantee healthy arteries.

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

Oxidative Phosphorylation

定义

The mitochondrial process by which cells use oxygen to generate ATP, the body's primary energy currency; aerobic training increases the efficiency of this process, allowing more power output from the same oxygen delivery.

为什么这很重要

It is the core energy pathway stressed in prolonged cardiovascular exercise and a primary target of endurance training adaptations.

阅读:永无止境的那一小时

Oxidative Stress

定义

Oxidative stress is an imbalance between damaging reactive molecules and the body's ability to neutralize them.

为什么这很重要

It contributes to modifying LDL particles inside the artery wall, which is what makes them inflammatory. Supplementing antioxidants has nonetheless failed to prevent heart attacks, so the mechanism has not translated into a treatment.

冠状动脉斑块消退、管腔悖论与运动员的血管重塑:整合药物与全食物植物性策略

氧化低密度脂蛋白

定义

氧化低密度脂蛋白(LDL)是指卡在动脉壁上后发生化学损伤的低密度脂蛋白颗粒。.

为什么这很重要

This damage is what makes the immune system treat it as an invader. A normal LDL particle is largely ignored; a damaged one triggers the whole inflammatory cascade that builds a plaque.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

Oxidized Phospholipids (carried by Lp(a))

定义

Pro-inflammatory lipid molecules that accumulate preferentially on the apo(a) portion of Lp(a) particles and are thought to promote arterial wall inflammation and calcification, distinguishing Lp(a) from standard LDL in its mechanism of harm.

为什么这很重要

They help explain why Lp(a) damages arteries through pathways beyond simple cholesterol deposition, including promoting valve calcification.

阅读:什么是脂蛋白 (a)?

Oxidized Phospholipids (OxPL) / Natural Autoantibodies (E06)

定义

Oxidized phospholipids are pro-atherogenic lipid fragments generated when LDL is oxidized within the artery wall; E06 is a naturally occurring IgM autoantibody that specifically neutralizes these oxidized phospholipids, representing an innate immunological defense mechanism that can limit foam cell formation and plaque progression.

为什么这很重要

The level of these protective antibodies varies between individuals and may partly explain why some people accumulate far less dangerous plaque despite similar LDL levels.

阅读:基因彩票:为什么你不能指望自己“刀枪不入”

Oxygen Debt (Excess Post-Exercise Oxygen Consumption)

定义

A state reached during intense aerobic exercise when oxygen supply to working muscles falls short of demand, forcing partial reliance on anaerobic energy pathways and causing a rapid accumulation of metabolic byproducts that impair continued effort.

为什么这很重要

In a purely aerobic, 60-minute maximal event, incurring oxygen debt prematurely is a critical pacing error with direct cardiovascular consequences.

阅读:自行车手彼得·梅格达尔 (Peter Megdal) 寻求并克服艰难障碍

Oxygen Desaturation Index (ODI)

定义

A measure of sleep-disordered breathing defined as the number of times per hour that blood oxygen saturation drops by a specified threshold (commonly 3% or 4%) during sleep. It is one of several metrics used alongside the apnea–hypopnea index to characterize the severity and cardiovascular implications of obstructive sleep apnea.

为什么这很重要

Different severity metrics capture different aspects of sleep apnea's physiological impact, which helps explain why the AHI alone may not fully predict cardiovascular risk.

阅读:睡眠与您的心脏

Oxysterols

定义

氧甾醇是胆固醇与氧反应时形成的胆固醇氧化衍生物;在细胞内,它们作为信号分子激活 LXR 并促进 INSIG 介导的 SCAP-SREBP 复合体保留,从而抑制进一步的胆固醇合成并刺激其排出。

为什么这很重要

They act as the cell's internal cholesterol sensor, linking excess cholesterol to the mechanisms that export it and prevent toxic build-up.

胆固醇:它有什么用?

返回顶部

P

P-Value

定义

A p-value estimates how likely you would be to see a result at least this striking if the treatment did nothing at all.

为什么这很重要

The conventional cutoff of 0.05 is a convention, not a law of nature. A small p-value says a result is unlikely to be chance; it says nothing about whether the effect is large enough to matter to a patient.

阅读:心脏病管理的未来

p70S6K1 和 4E-BP1

定义

p70S6K1 (S6 kinase 1) and 4E-BP1 are two downstream signaling proteins that mTORC1 phosphorylates to initiate the translation of messenger RNA into new muscle proteins; their activation is the molecular 'green light' that converts an amino acid signal into actual muscle building. Measuring their phosphorylation is a standard laboratory readout of anabolic signaling in muscle biopsy studies.

为什么这很重要

They are the immediate molecular targets whose blunted activation in older muscle explains why the same protein meal produces less muscle repair than in younger adults.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

PACIFIC-1

定义

一项将人工智能辅助定量CT冠状动脉造影(AI-QCT)与人类专家阅片进行直接对比的临床研究表明:AI-QCT在检测阻塞性狭窄方面的AUC达到0.91,表现优于得分0.77的三级专家心脏病专家。.

为什么这很重要

It is the key evidence cited in this article to demonstrate that AI surpasses even the most experienced human readers in coronary plaque assessment.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

Pacing (Metronomic Pacing)

定义

A race strategy in which a cyclist maintains a near-constant lap time throughout an effort rather than surging and recovering; metronomic pacing is considered optimal for Hour Record attempts because any deviation above threshold pace is very difficult to recover from.

为什么这很重要

Precise pacing—Megdal was within three hundredths of a second per lap—was identified as a critical factor separating his successful record from his earlier failures.

彼得·梅格达尔 (Peter Megdal) 登上《戴德姆时报》

Pack-Years

定义

吸烟包年数是累积烟草暴露量的标准化测量指标,其计算方法是将每天吸烟的包数乘以吸烟的年数;文章将其作为思考累积载脂蛋白B(apoB)暴露的概念模型,并指出这两种指标都是对终生暴露的不完美总结,但都比单一的当前测量值具有更高的预后价值。.

为什么这很重要

The analogy helps explain why a single cholesterol reading — like a single day's cigarette count — captures little of the lifetime risk story.

载脂蛋白B:更长、更高、更糟

PACMAN-AMI

定义

PACMAN-AMI试验在患者发生心脏病发作后立即为其使用了PCSK9抑制剂,并利用三种不同的导管技术对其非罪犯血管进行了成像。.

为什么这很重要

Plaque shrank, caps thickened, and fat content fell — all within a year. It showed how quickly aggressive lowering starts changing plaque structure.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

旧石器时代饮食法

定义

A dietary framework developed by Loren Cordain based on the premise that human metabolism is best adapted to the foods available to pre-agricultural hunter-gatherers, emphasising lean meats, fish, vegetables, fruits, and nuts while excluding grains, legumes, and dairy.

为什么这很重要

The Paleo Diet is one of the two competing paradigms at the centre of this debate and underpins Cordain's position on optimal protein intake.

阅读:蛋白质辩论

Para Athlete

定义

A competitive athlete who has an eligible physical, visual, or intellectual impairment recognized by governing sports bodies; Para athletes compete under classifications that account for the functional impact of their disability on performance.

为什么这很重要

Understanding this term helps readers appreciate that Megdal's records are set within a structured classification system, not simply despite his disability.

彼得·梅格达尔 (Peter Megdal) 登上《戴德姆时报》

Paracycling

定义

A competitive cycling discipline for athletes with physical, visual, or intellectual impairments, sanctioned by the UCI and organized into classification categories (C1–C5) based on the degree of functional limitation, with C5 representing the least severe impairment.

为什么这很重要

Understanding paracycling categories helps readers appreciate how athletes with physical challenges compete at elite levels.

阅读:自行车手彼得·梅格达尔 (Peter Megdal) 寻求并克服艰难障碍

Paracycling National Record

定义

The officially ratified best performance in a cycling discipline achieved by a para athlete competing within a specific national classification category, such as the C5 limb-impairment class for the hour event.

为什么这很重要

Knowing how performance records are classified for para athletes contextualises cardiac rehabilitation and return-to-sport benchmarks.

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

PARADIGM Study

定义

PARADIGM(通过计算机断层扫描血管造影成像确定的动脉粥样硬化斑块进展研究)是一项连续的CCTA(冠状动脉计算机断层血管造影)注册研究,该研究追踪了冠状动脉斑块成分随时间的变化,为他汀类药物治疗可使斑块向更致密、更稳定的钙化表型转化提供了关键证据。.

为什么这很重要

It is one of the main studies cited to explain why a rising CAC score on statins can reflect plaque healing rather than worsening disease.

雌激素能保护女性动脉免受斑块形成吗?

Parathyroid Hormone (PTH) Receptor Agonist

定义

A drug class — comprising teriparatide and abaloparatide — that activates the PTH receptor on osteoblasts to directly stimulate new bone formation; these agents are mechanistically distinct from sclerostin inhibitors and do not carry the cardiovascular boxed warning associated with romosozumab.

为什么这很重要

PTH receptor agonists are the anabolic option most relevant to cardiac patients because they stimulate bone building without the cardiovascular safety signal that has made romosozumab controversial in people with existing heart disease.

阅读:骨质疏松症与心脏病

Paroxysmal AF

定义

A form of atrial fibrillation in which episodes start and stop on their own, typically within 48 hours but by definition within 7 days; generally associated with better ablation outcomes than persistent or long-standing persistent AF.

为什么这很重要

The article notes that athletes with paroxysmal AF have a better chance of returning to high-level training after ablation.

问答:房颤、耐力训练与消融术——运动员需要了解的知识

Partial Pressure of Oxygen

定义

The portion of total atmospheric pressure contributed by oxygen; at 6,000 feet above sea level it is approximately 80 percent of its sea-level value, reducing the driving force that pushes oxygen from the lungs into the blood.

为什么这很重要

It is the key physical variable that makes high-altitude exercise harder and that athletes and researchers use to predict performance trade-offs at elevation.

阅读:永无止境的那一小时

Particle Burden

定义

颗粒负荷是指循环血浆中致动脉粥样硬化脂蛋白颗粒的总数,最好通过ApoB来测量;它与胆固醇质量不同,因为正是颗粒的物理数量——而不是它们所携带的胆固醇量——决定了脂蛋白渗入并滞留在动脉壁中的频率。.

为什么这很重要

Particle burden is the core concept behind modern cardiovascular risk assessment that goes beyond a standard cholesterol panel.

胆固醇大谎言:揭露饮食行业的有组织否认

Patent

定义

In vascular medicine, patent describes a blood vessel that is open and freely conducting blood flow, as opposed to one that is narrowed or occluded; when a previously blocked artery is described as patent, it means blood is once again moving through it unobstructed.

为什么这很重要

Knowing what 'patent' means helps readers grasp the significance of Peter's artery reopening after years of intensive treatment.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

Pathogenic Variant

定义

致病变异是一种已被证实会导致特定疾病或显著增加特定疾病发病风险的基因突变;在遗传性心脏风险的语境下,它指的是诸如家族性高胆固醇血症等潜在基因的突变,这些突变会显著提高一生的心脏病发病几率。.

为什么这很重要

Knowing whether you may carry one determines whether standard population-level screening thresholds apply to you.

阅读:终于提出了正确问题的心脏健康应用

Pathognomonic

定义

特征性疾病标志是指一种对特定疾病具有高度特异性的表征,其单独存在便足以确诊该疾病;在纯合子家族性高胆固醇血症(HoFH)中,四岁之前出现的皮肤和肌腱黄色瘤被认为是特征性标志,因为它们是由极端严重的胆固醇溢出引起的,这种现象几乎仅见于该病。.

为什么这很重要

Recognizing pathognomonic signs on a child's skin can trigger an early diagnosis that dramatically changes their prognosis.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

Pathological Q Waves

定义

Abnormal deflections on an electrocardiogram that indicate an area of electrically inactive (scarred or dead) heart muscle from a prior myocardial infarction. The Fourth and Fifth Universal Definitions of Myocardial Infarction use their presence, in the absence of non-ischemic causes, as one criterion for diagnosing a prior or silent infarction.

为什么这很重要

They are the main ECG sign that a past heart attack occurred, even one the person never knew about.

阅读:心脏病发作和中风在没有预兆的情况下发生的频率有多高?

橄榄油共有财产基金会

定义

Patrimonio Comunal Olivarero is a Spanish olive-oil trade organization whose stated purpose is to promote Spanish olive-oil exports; it supplied the intervention oil and co-funded both PREDIMED and CORDIOPREV, making it the single industry sponsor entangled with virtually the entire randomized-trial evidence base for olive oil's cardiovascular efficacy.

为什么这很重要

Industry funding from an organization with a commercial interest in the outcome is a recognized source of bias that readers must weigh when evaluating olive oil trial results.

阅读:橄榄油真的健康吗?

Paxlovid (Nirmatrelvir/Ritonavir)

定义

An oral antiviral medication authorized for treatment of COVID-19 in adults at high risk of severe illness; it works by inhibiting a protease the SARS-CoV-2 virus needs to replicate.

为什么这很重要

Knowing what Paxlovid is clarifies how Megdal managed an acute illness just weeks before a maximal cardiovascular effort.

阅读:自行车手彼得·梅格达尔 (Peter Megdal) 寻求并克服艰难障碍

PBX1 (Pre-B-Cell Leukemia Homeobox 1)

定义

A pioneer transcription factor whose genomic variants, identified in studies of 'super-resilient' older adults, are associated with maintenance of vascular structural integrity and preserved arterial elasticity with advancing age; it is hypothesized to regulate gene networks that counteract age-related arterial stiffening and degradation.

为什么这很重要

Genetic variants near PBX1 may partly explain why some individuals' arteries remain youthful and flexible into old age despite other risk factors.

阅读:基因彩票:为什么你不能指望自己“刀枪不入”

PCSK9

定义

PCSK9 是由您的肝脏制造的一种蛋白质,它会破坏肝脏用于将胆固醇从血液中清除的对接位点。.

为什么这很重要

Fewer ports means more cholesterol staying in circulation. People born with a broken version of this protein have low cholesterol and remarkably few heart attacks — a discovery that led directly to a whole class of new drugs.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

PCSK9 抑制剂

定义

PCSK9抑制剂是一种能够阻断这种降胆固醇蛋白的药物,从而腾出更多的结合位点,以清除血液中的胆固醇颗粒。.

为什么这很重要

These are injections, not pills, given every two to four weeks. They can cut LDL and ApoB by half or more even on top of a statin, and they are especially valuable for inherited high cholesterol.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

PCSK9 Monoclonal Antibodies (mAbs)

定义

Injectable protein-based drugs—such as evolocumab and alirocumab—that bind and neutralize circulating PCSK9 protein, preventing it from tagging LDL receptors for degradation; administered every two to four weeks, they can reduce LDL-C by approximately 50–60% on top of statin therapy.

为什么这很重要

PCSK9 mAbs established that very deep LDL lowering is both safe and effective, paving the way for inclisiran and gene-editing approaches that target the same pathway.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

PCSK9 Null Variant

定义

An extremely rare genetic variant that abolishes PCSK9 function entirely, resulting in LDL-C levels as low as approximately 15 mg/dL from birth; individuals with this phenotype appear to have normal neurocognitive function, providing a human proof-of-concept for profound systemic LDL depletion.

为什么这很重要

If even complete absence of PCSK9 function is cognitively safe, it sets an important lower bound for drug-induced LDL lowering.

Read: Cholesterol: How Low is Too Low?

PDAY

定义

PDAY 是“Pathobiological Determinants of Atherosclerosis in Youth”(青少年动脉粥样硬化的病理生物学决定因素)的英文缩写,该研究对因其他原因死亡的 15 至 34 岁年轻人的动脉进行了检查。.

为什么这很重要

Raised lesions were already present in a substantial fraction of them, and the amount tracked with their cholesterol and smoking. Along with Bogalusa, it is why prevention is now discussed as a lifelong project.

先天性疾病

PDAY Study

定义

青少年动脉粥样硬化病理生物学决定因素(PDAY)研究是一项病理学研究,它检查了因事故等无关原因死亡的15-34岁年轻人的冠状动脉和主动脉;该研究表明,早在临床症状出现几十年前,大多数青少年和年轻成年人就已经出现了早期动脉粥样硬化病变——脂纹和更晚期的斑块……

为什么这很重要

It is the key evidence behind the article's central point that heart disease begins far earlier in life than most people assume.

Read: You Feel Fine – That’s the Problem

Pelacarsen

定义

佩拉卡森(Pelacarsen)是一种靶向RNA的疗法(一种反义寡核苷酸),旨在通过减少肝脏中脂蛋白(a)的产生来降低其水平;该药物每隔几周通过静脉注射或皮下注射给药,目前处于后期临床试验阶段,以确定降低Lp(a)是否能减少心血管事件。.

为什么这很重要

Lipoprotein(a) is a major residual risk factor not addressed by statins, and pelacarsen represents a new class of drugs aimed at closing that gap.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

斑块负荷百分比

定义

斑块负荷百分比(PAV)是指动脉节段中被斑块而非畅通管腔占据的比例。.

为什么这很重要

It is the standard yardstick in plaque-regression trials. Because it is a percentage of the whole vessel, it is fairer than measuring one spot — and it reveals how small real regression is, usually a change of one or two percentage points.

载脂蛋白B:更长、更高、更糟

Percent Diameter Stenosis (%DS)

定义

The percentage reduction in a coronary artery's luminal diameter at its narrowest point relative to a healthy reference segment in the same vessel; the Megdal Serial Angiogram uses %DS to grade severity—mild, moderate, or severe—and to quantify regression between the 2014 and 2018 studies.

为什么这很重要

Understanding %DS lets patients see exactly how much a blockage has shrunk and how doctors classify its danger level.

阅读:冠状动脉疾病消退的专家血管造影评估:Megdal 序列血管造影 (2014–2018)

经皮冠状动脉介入治疗

定义

Percutaneous coronary intervention is a minimally invasive procedure, commonly known as angioplasty with or without stenting, in which a catheter is used to open a blocked coronary artery; it is included in the article as one of the four components of the composite major CVD endpoint tracked in the Nurses' Health Study analysis.

为什么这很重要

PCI is part of the outcome definition used to measure whether resistance training prevents serious cardiac events.

阅读:举铁能帮助你的心脏泵血吗?

Perimenopausal Depression (PMD)

定义

A pattern of clinically significant depressive symptoms that emerges specifically during the menopausal transition, driven by rapid fluctuations in estrogen rather than sustained low levels; women with a prior history of PMD are particularly susceptible to symptom recurrence with hormone flux.

为什么这很重要

Distinguishing PMD from general depression clarifies why some women's mood symptoms are uniquely tied to hormone changes rather than life circumstances alone.

绝经 内分泌 心血管 风险

牙周炎

定义

牙龈及其支撑结构的慢性细菌感染和炎症;细菌可以进入血液并提高全身 CRP 水平,使其成为心血管炎症风险中一个未被充分认识的驱动因素。

为什么这很重要

It shows that heart risk extends beyond the arteries—treating gum disease is a measurable way to lower inflammation throughout the body.

炎症、脂蛋白与以低密度脂蛋白(LDL)为中心的时代的终结

外周动脉疾病

定义

外周动脉疾病是斑块导致腿部动脉狭窄。.

为什么这很重要

The classic symptom is cramping calf pain when walking that goes away with rest. It is important beyond the legs: if plaque is bad enough there to cause symptoms, it is almost certainly present in the heart too.

Peroxynitrite

定义

A reactive nitrogen species formed when nitric oxide is neutralized by superoxide radicals; its production during postprandial oxidative stress sharply reduces the bioavailable nitric oxide needed for arterial dilation and anti-atherogenic vascular function.

为什么这很重要

It is the chemical step that explains why a high-fat meal impairs artery function for hours afterward.

阅读:动脉粥样硬化消退的病理生理决定因素:超低脂全食物植物性营养方案的关键性

PESA Cohort

定义

PESA(早期亚临床动脉粥样硬化进展)是一项针对40至54岁无症状成人的西班牙前瞻性队列研究,该研究通过多部位血管影像学检查发现63%的参与者患有亚临床动脉粥样硬化,这表明中年人群中隐匿性动脉疾病的负担十分沉重。.

为什么这很重要

It reinforces that most early atherosclerosis is invisible to standard clinical evaluation, underlining the case for prevention before symptoms develop.

先天性疾病

Pesco-Vegetarian

定义

不包括肉类和家禽,但包括鱼类、海鲜以及植物性食物的饮食模式;在 AHS-2 队列研究中,半素食主义者(食鱼素食者)表现出所研究的所有饮食亚组中最强的生存优势。.

为什么这很重要

Understanding this subgroup matters because the blanket label 'vegetarian' obscures meaningful differences in cardiovascular and longevity outcomes.

素食主义真的能延年益寿吗?这是一个谎言吗?

Pharmacologic Floor

定义

A pharmacologic floor is the concept of using targeted medications to set a minimum acceptable level for key risk factors—such as ApoB, blood pressure, or inflammation—ensuring that lifestyle-driven improvements are supplemented rather than replaced by drug therapy.

为什么这很重要

This strategy represents the 'best of both worlds' approach that combines fitness with precision medicine.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

磷脂转移蛋白(PLTP)

定义

磷脂转移蛋白 (PLTP) 是一种血浆蛋白,它能捕获富含甘油三酯的脂蛋白在输送载荷时从其表面脱落的磷脂,然后将这些磷脂转移到新生的高密度脂蛋白 (HDL) 颗粒中,使它们发育成熟。

为什么这很重要

It explains a key step in how HDL particles grow and why lipoprotein metabolism is more complex than a simple 'good cholesterol vs. bad cholesterol' picture.

胆固醇:它有什么用?

Photon-Counting CT (PCCT)

定义

A next-generation CT detector technology that registers individual X-ray photons rather than averaging their energy, yielding higher spatial resolution and reduced blooming artifact compared with conventional detectors; it is under evaluation for improving both calcium quantification and non-calcified plaque characterization.

为什么这很重要

Better imaging means fewer lesions missed, which is critical when deciding whether a fit athlete with a moderate score truly has stable disease.

阅读:冠状动脉钙化与运动风险

Physiological Threshold

定义

身体无法再维持有氧能量产生、并开始迅速积聚疲劳产物、从而使人无法保持该努力程度的运动强度阈值;在比赛早期超过该阈值会导致配速过早崩溃。.

为什么这很重要

Megdal describes starting below this threshold and building into record pace as the key tactical lesson he learned after multiple failed attempts.

彼得·梅格达尔 (Peter Megdal) 登上《戴德姆时报》

Phytosterol

定义

Phytosterols are the plant equivalents of cholesterol, found in nuts, seeds, and vegetable oils, and added to some margarines.

为什么这很重要

They block some cholesterol absorption and lower LDL by a few percent. A rare inherited condition causes them to build up dangerously, which is why they are not simply harmless in everyone.

阅读:seed oils 是否健康,是真是假?

压电1蛋白

定义

Piezo1 是一种存在于动脉内皮细胞和平滑肌细胞中的机械敏感性离子通道蛋白,它能将压力和管壁牵拉等物理力转化为细胞内化学信号,这一过程被称为机械转导。.

为什么这很重要

The article identifies Piezo1 as the sensor that detects the high blood pressures generated during intense exercise and triggers downstream changes—including increased biglycan production—that may promote lipoprotein retention.

阅读:耐力运动对动脉是有益还是有害?

Pill-in-the-Pocket (Class I Antiarrhythmics)

定义

An as-needed dosing strategy using Class I sodium-channel–blocking drugs such as flecainide or propafenone, taken only when an AF episode begins in order to restore sinus rhythm; athletes using this approach must avoid intense exercise until the drug has cleared (up to two days) because of the risk of pro-arrhythmic effects during adrenergic stress.

为什么这很重要

It offers a way to manage infrequent AF episodes without daily performance-limiting medication, but carries specific safety rules athletes must follow.

接受过治疗的心房颤动大师级运动员(50岁以上)的心血管风险管理与训练调整:专家报告

Pilosebaceous Unit

定义

The anatomical structure consisting of a hair follicle and its associated sebaceous (oil) gland; in acne vulgaris, excess sebum production, follicular keratin plugging, and bacterial activity within this unit trigger the inflammation that can ultimately scar the skin.

为什么这很重要

The article uses acne and its pilosebaceous pathology as the central analogy for explaining how an active inflammatory process can be cured while structural scars remain—a framework then applied directly to atherosclerosis.

阅读:心脏病可以治愈吗?

匹伐他汀

定义

一种以每毫克药效极强而著称的他汀类药物,在1–16 mg/天的剂量范围内可将低密度脂蛋白胆固醇(LDL-C)降低约33–55%,并在头对头研究中,以等效毫克剂量时表现优于普伐他汀。.

为什么这很重要

Allows meaningful LDL reduction with a small pill dose, relevant for athletes seeking efficacy without high-dose statin exposure.

阅读:《运动员的胆固醇:如何在不影响竞技状态的情况下降低低密度脂蛋白(LDL)》(他汀类药物实用指南)

Plant-Based Diet

定义

以植物为主或完全以植物为主的饮食主要由蔬菜、水果、豆类、全谷物、坚果和种子构成,动物性食物则受到限制或完全不吃。.

为什么这很重要

These diets reliably lower LDL and ApoB, mostly by cutting saturated fat and adding fiber. Whether they do anything extra for arteries beyond that particle-lowering effect is an active and unsettled research question.

素食主义真的能延年益寿吗?这是一个谎言吗?

Plant-to-Animal Protein Ratio

定义

A measure of the proportion of dietary protein derived from plant sources (legumes, grains, nuts) relative to animal sources (meat, dairy, eggs); the article identifies a high plant-to-animal protein ratio as a key feature of the 'winning' whole-food, plant-dominant dietary pattern for cardiovascular protection.

为什么这很重要

Tracking this ratio rather than total protein intake may be a more practical cardiovascular risk-reduction target than simply counting grams of protein.

阅读:通过饮食治疗心脏病不仅是一种现代痴迷——它更是一种有数百万年进化历史支撑、并借助现代科学最先进手段的实践。

Plaque Burden Indices

定义

定量影像学指标——主要是动脉粥样硬化斑块体积百分比(PAV)和总斑块体积(TAV)——可独立于管腔大小测量冠状动脉节段中的斑块总量;由于它们不受血管重塑的影响,因此在追踪治疗反应方面被认为比管腔直径更可靠。.

为什么这很重要

Tracking plaque burden rather than lumen width gives a truer picture of whether treatment is working, especially when remodeling masks changes in lumen size.

Read: Reversal of Coronary Atherosclerosis: Mechanistic Insights from Human and Primate Studies

Plaque Calcification

定义

一种钙磷酸盐结晶沉积在动脉粥样硬化斑块中的过程,由血管平滑肌细胞的成骨样分化驱动;钙化斑块在结构上是稳定的,但即使在活动性疾病得到抑制时也基本是不可逆的。.

为什么这很重要

Plaque calcification explains why stopping heart disease does not erase all evidence of it—calcified lesions persist as 'scars,' which is central to the article's cure-versus-reversal distinction.

阅读:心脏病可以治愈吗?

Plaque Chronicity

定义

The concept that calcification within atherosclerotic plaque reflects older, more stable disease that has undergone fibrous and calcium deposition over time, rather than active, vulnerable disease; it is why high calcium scores indicate cumulative long-term burden rather than imminent rupture risk.

为什么这很重要

It clarifies why calcified plaque is paradoxically more stable than soft plaque, even though a high calcium score still signals significant overall disease.

阅读:低密度脂蛋白“坏”胆固醇:载脂蛋白 B、成像分辨率以及 60 岁时“正常”冠状动脉的幻象

Plaque Crystallization

定义

斑块结晶化是指斑块消退早期阶段胆固醇结晶的短暂形成,这在灵长类动物研究中已被记录,大约发生在胆固醇降低后六个月,随后随着脂质池进一步清除,这些结晶会溶解。.

为什么这很重要

It helps explain why plaques may look temporarily more complex on imaging early in treatment before improving.

Read: Can heart disease be reversed?

斑块破裂

定义

动脉粥样硬化斑块的破裂、撕裂或表面侵蚀,从而引发局部血栓形成;在MINOCA中,斑块可能过于微小,无法导致≥50%的狭窄,且由此形成的血栓可能在血管造影前溶解或形成栓子,导致血管表面上看似通畅。.

为什么这很重要

Plaque disruption explains why a heart attack can occur and then leave 'clear' arteries on angiography minutes or hours later.

隐匿性梗死:MINOCA机制、诊断与管理的深入研究验证

斑块表型

定义

斑块表型是指动脉粥样硬化病变的生物学和结构特征——包括其富脂坏死核心的大小、纤维帽的厚度、钙化程度以及炎性细胞含量——这些特征共同决定了斑块是稳定还是具有高破裂风险。.

为什么这很重要

Two plaques of identical size can carry very different risks; knowing the phenotype is what distinguishes a dangerous plaque from a stable one.

医生没有为你开具的心脏检查

Plaque Threshold

定义

斑块阈值是指个体特异性的致动脉粥样硬化脂蛋白暴露的累积水平,在此水平下,已积累足够的病变负荷,从而导致具有临床意义的心血管事件(如心脏病发作或中风)。高血压、糖尿病和吸烟等危险因素会有效降低这一阈值,这意味着事件会在较低的累积暴露量下发生,而代谢……

为什么这很重要

It explains why two people with the same LDL level can have very different heart-attack risk depending on how long they have had that level and what other risk factors are present.

心脏病是一种选择吗?阻止斑块形成的‘零风险’秘诀

Plaque-Years

定义

斑块年(Plaque-years)是衡量对低密度脂蛋白(LDL)胆固醇终生累积暴露量的一个指标,通过计算 LDL-C 浓度随时间的积分(近似为 LDL-C × 年龄)得出,用于量化动脉壁所承受的动脉粥样硬化总负荷。研究已经确定了一些启发式阈值(低风险约为 5,000,极高风险则在 14,000 以上),这些阈值对应于逐渐增加的概率……

为什么这很重要

It explains why someone with modest LDL but decades of exposure can still have high heart-attack risk, and why starting low early matters more than any single reading.

心脏病是一种选择吗?阻止斑块形成的‘零风险’秘诀

Platelets

定义

Platelets are small, anucleate cell fragments in the blood whose primary role is to clump together at sites of vascular injury to form a clot and stop bleeding; because they cannot synthesize new protein, aspirin's irreversible inhibition of their clotting enzyme lasts for the platelet's entire 7–10 day lifespan.

为什么这很重要

Understanding platelets explains why aspirin has such a lasting effect from a single daily dose and why you must stop taking it well before surgery.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

Plavix (Clopidogrel)

定义

A prescription antiplatelet drug that inhibits platelet aggregation by blocking the P2Y12 receptor; combining it with fibrinolytic supplements like nattokinase may amplify bleeding risk.

为什么这很重要

Knowing that nattokinase interacts with antiplatelet and anticoagulant drugs is critical safety information for anyone already on heart medications.

纳豆激酶与心血管斑块:人体研究的真实情况

Pleiotropic Effects

定义

In pharmacology, pleiotropic effects are actions of a drug that go beyond its primary intended mechanism; for incretin therapies, pleiotropic effects include anti-inflammatory activity, endothelial protection, and blood-pressure reduction that are independent of the drugs' primary glucose-lowering and weight-loss actions.

为什么这很重要

The article's central question — whether heart benefits come from weight loss or from direct vascular action — is precisely a debate about pleiotropy.

阅读:Ozempic 和 Mounjaro:在体重减轻之前先保护您的心脏

Poiseuille's Law

定义

A fluid-dynamics principle stating that volumetric flow through a cylindrical tube is proportional to the fourth power of the tube's radius; in coronary physiology this means even a small increase in arterial diameter produces a disproportionately large gain in blood-flow capacity.

为什么这很重要

It quantifies why modest arterial widening from plaque regression or improved vasomotor tone matters enormously for athletic performance and cardiac oxygen delivery.

冠状动脉斑块消退、管腔悖论与运动员的血管重塑:整合药物与全食物植物性策略

Polyclonal Antibodies

定义

Polyclonal antibodies are a diverse mixture of immunoglobulins produced by many different B-cell clones, each recognizing a slightly different part of the same antigen; in xenosialitis, polyclonal anti-Neu5Gc antibodies attack Neu5Gc molecules incorporated into the vascular endothelium, driving chronic arterial inflammation.

为什么这很重要

A broad, multi-clone antibody response against vessel-wall antigens is harder to resolve than a single-target response, helping explain why xenosialitis causes persistent rather than self-limiting inflammation.

你的免疫系统在与你的牛排开战吗?

Polygenic Risk Score

定义

多基因风险评分将许多微小基因变异的影响加起来,以评估您对某种疾病的遗传风险。.

为什么这很重要

No single one of these variants means much. Together they can identify people whose risk is as high as someone with a well-known inherited cholesterol disorder, even though no single gene stands out.

心血管保护的遗传架构

Polygenic Score

定义

A single numerical summary of an individual's genetic predisposition to a trait, calculated by adding up the effects of many genetic variants identified in genome-wide association studies. In obesity research, polygenic scores for BMI or waist-to-hip ratio are used as instruments in Mendelian randomization studies to estimate causal effects.

为什么这很重要

These scores allow researchers to test whether genetically higher adiposity—independently of lifestyle choices—raises heart disease risk.

Read: Obesity and heart disease

多酚

定义

多酚是一类具有抗氧化特性的植物源化合物;特级初榨橄榄油富含多酚,这通常被认为是特级初榨橄榄油比精炼橄榄油具有更好保护作用的原因,尽管衡量硬性心血管终点的试验尚未证实具有显著的临床获益。.

为什么这很重要

They are frequently invoked to justify olive oil's health reputation, so understanding their evidential status prevents overclaiming.

阅读:seed oils 是否健康,是真是假?

Polyunsaturated Fatty Acids (PUFAs)

定义

Fatty acids containing two or more carbon-carbon double bonds; they include the omega-6 family (linoleic acid, dominant in most seed oils) and the omega-3 family (alpha-linolenic acid, EPA, DHA), and they lower LDL cholesterol when substituted for saturated fats.

为什么这很重要

PUFAs are the defining feature of seed oils, so understanding what makes them chemically and metabolically distinct from saturated or monounsaturated fats is central to the whole discussion.

阅读:seed oils 是否健康,是真是假?

Pooled Cohort Equations

定义

pooled cohort equations 是美国心脏病学会和美国心脏协会目前推荐的风险计算器,它根据年龄、胆固醇、血压、糖尿病和吸烟状况来评估您未来十年内发生心脏病发作或中风的几率。.

为什么这很重要

Like the Framingham score before it, this is a population-average tool — it has no way to account for coronary calcium, family history beyond a checkbox, or Lp(a), so it can substantially underestimate risk in people who don't resemble the population it was built on.

医生没有为你开具的心脏检查

Population-Attributable Risk

定义

Population-attributable risk (PAR) is the proportion of cases of a disease in a population that could theoretically be prevented if a given risk factor were eliminated, taking into account both how risky the factor is and how common it is. The article cites INTERHEART's estimate that the combined psychosocial factor had a PAR of roughly 32.5% for myocardial infarction.

为什么这很重要

PAR explains why a risk factor that seems moderate for any one individual can still account for a large share of heart attacks across a whole population.

阅读:压力会致命吗?冥想能救命吗?

传送门理论

定义

门静脉假说认为,内脏脂肪具有独特的危害性,因为它是直接回流至门静脉的,在游离脂肪酸和促炎细胞因子进入体循环之前,就使其高浓度暴露于肝脏,从而促进肝脏胰岛素抵抗并导致极低密度脂蛋白(VLDL)过量生成。.

为什么这很重要

This anatomical quirk explains why belly fat is metabolically more dangerous than fat stored elsewhere in the body.

阅读:为什么腹部脂肪比你想象的更危险

投资组合调整

定义

The Portfolio diet is a plant-based dietary pattern designed specifically to lower LDL cholesterol by combining several evidence-based food components—including soy protein, viscous fiber, plant sterols, and nuts—each of which independently lowers LDL, with additive effect when combined.

为什么这很重要

It is one of the named dietary patterns evaluated for both cholesterol lowering and cardiovascular event reduction in this review.

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

Positive Remodeling

定义

动脉壁向外扩张,以容纳不断生长的动脉粥样硬化斑块,同时保持内部管腔直径;在仅评估管腔狭窄的检查中,动脉看起来没有阻塞,从而掩盖了结构上脆弱的斑块。.

为什么这很重要

It explains why many people with dangerous plaque look 'clear' on conventional tests and why direct wall imaging is necessary.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

Positron Emission Tomography

定义

正电子发射断层扫描(PET)使用微量的放射性示踪剂来显示哪些组织代谢活跃。.

为什么这很重要

In arteries it can highlight active inflammation or calcification happening right now, rather than the accumulated damage a CT shows. It is mostly a research tool at present.

体质好如何掩盖心脏病发作

餐后

定义

Postprandial means 'after a meal'; postprandial studies measure how the body—including blood vessels, lipid levels, and inflammatory markers—responds in the hours immediately following food consumption, rather than at a fasting baseline.

为什么这很重要

Olive oil's measurable stiffening of blood vessels occurs in the postprandial window, a finding that fasting-only measurements would miss entirely.

阅读:橄榄油真的健康吗?

Postprandial Lipemia

定义

餐后脂血症是指在食用含脂肪的餐食后数小时内,血液中脂肪颗粒激增的现象。.

为什么这很重要

Most lipid panels are drawn fasting, so they miss this entirely. Yet arteries spend most of the day in the fed state, and an exaggerated post-meal surge may carry risk a fasting number never reveals.

阅读:动脉粥样硬化消退的病理生理决定因素:超低脂全食物植物性营养方案的关键性

Postprandial Thermogenesis

定义

The increase in energy expenditure that occurs after a meal as the body processes and metabolizes food; purified MCT oils rich in C8:0 and C10:0 produce a modestly greater postprandial thermogenic response than long-chain fats, an effect that has been incorrectly generalized to coconut oil in weight-loss marketing.

为什么这很重要

Understanding this term shows why MCT-based weight-loss research does not straightforwardly apply to cooking with coconut oil.

椰子油作为健康食品的神话:行业如何左右你的饮食!

Power Meter

定义

A power meter is a device fitted to a bicycle that measures the mechanical power output of the rider in watts, providing an objective and reproducible marker of athletic performance. In this article, a subtle but sustained drop in power output was the first clue that something was physiologically wrong before any clinical symptoms appeared.

为什么这很重要

Understanding how athletes can detect cardiovascular decline through performance data rather than classic symptoms is important for early diagnosis.

阅读:curingheartdisease.com 的 Peter Megdal 专访

Power Output (Watts, Cycling)

定义

The mechanical work a cyclist produces, measured in watts, and used as a precise, objective indicator of exercise intensity independent of wind, gradient, or drafting conditions.

为什么这很重要

Megdal's 30-watt deficit on race day illustrates how heat and psychological stress can suppress cardiovascular performance even in a well-trained athlete.

阅读:Peter Megdal 在全国锦标赛中获得第二名

PPARα (Peroxisome Proliferator-Activated Receptor Alpha)

定义

PPARα is a nuclear receptor that regulates genes involved in fatty acid oxidation and inflammation; preliminary evidence suggests bempedoic acid may directly activate this receptor, adding complexity to the drug's mechanism of action beyond ATP-citrate lyase inhibition.

为什么这很重要

It signals that bempedoic acid's biology may be more multifaceted than currently labeled, with potential implications for its anti-inflammatory and lipid effects.

雌激素能保护女性动脉免受斑块形成吗?

普伐他汀

定义

一种中等强度的他汀类药物,在常规批准剂量范围内可将低密度脂蛋白胆固醇(LDL-C)降低约22–32%;由于其不通过CYP3A4途径代谢且具有亲水性,因此在担心肌肉耐受性问题时,通常更倾向于选用该药物。.

为什么这很重要

Frequently chosen as a starting statin for athletes specifically because of its relatively favorable muscle-symptom profile.

阅读:《运动员的胆固醇:如何在不影响竞技状态的情况下降低低密度脂蛋白(LDL)》(他汀类药物实用指南)

Pre-Hypertension

定义

血压分类,根据JNC 7定义为收缩压120–139 mmHg或舒张压80–89 mmHg,表示血压升高,尚未达到高血压标准,但仍会增加心血管疾病风险。.

为什么这很重要

The Kim 2008 nattokinase trial enrolled people in this category, so recognizing the term clarifies which patients showed a blood-pressure benefit.

纳豆激酶与心血管斑块:人体研究的真实情况

Pre-Test Probability

定义

在进行诊断测试之前,根据症状、危险因素和临床背景估计患者患某种特定疾病的可能性;在冠状动脉钙化(CAC)解读中,有症状的患者冠心病患病前概率较高,因此得零分仍存在有意义的残余风险。.

为什么这很重要

Pre-test probability determines how much reassurance a zero CAC score actually provides in any individual patient.

零的力量:没有钙 – 没有风险?

精准心脏病学

定义

Precision cardiology is an approach to cardiovascular prevention and treatment that moves beyond population-average risk estimates by integrating advanced biomarkers, genetic information, imaging, and individual biological data to tailor risk assessment and therapy to each patient's specific disease biology.

为什么这很重要

It explains the shift from 'your ten-year risk is X%' to actually measuring what is happening inside your arteries and blood right now.

医生没有为你开具的心脏检查

PREDIMED

定义

PREDIMED 随机将数千名西班牙高危成年人分配到富含特级初榨橄榄油的地中海饮食组、富含坚果的地中海饮食组或低脂对照组。.

为什么这很重要

It is the most influential dietary trial in cardiology and reported roughly 30 percent fewer major events. It was retracted and republished after randomization problems were found at some sites, with similar conclusions.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

Premature Coronary Artery Disease

定义

Premature coronary artery disease is coronary atherosclerosis that causes a clinically significant event — such as a heart attack or revascularization — before age 55 in men or age 65 in women; events in relatives at these ages are the primary signal used to define high inherited cardiac risk.

为什么这很重要

The age threshold distinguishes a routine family history from one that implies a genetic loading requiring more aggressive screening.

阅读:终于提出了正确问题的心脏健康应用

PREMIERS Trial

定义

A randomized trial enrolling 280 patients who had recently experienced a stroke or transient ischemic attack and also had periodontitis, testing whether intensive periodontal treatment reduced subsequent cardiovascular events; it produced a hazard ratio of 0.65 but with a confidence interval spanning from large benefit to slight harm, and was prespecified as a non-superiority result.

为什么这很重要

It is the most informative randomized trial testing whether treating gum disease prevents heart events, yet it was far too small to draw firm conclusions.

阅读:牙龈疾病与心脏病

Preparticipation Screening

定义

参赛前筛查是对运动员在比赛前进行的系统性医学评估,旨在识别增加心源性猝死风险的心血管疾病;它通常包括病史询问和体格检查,在某些国家或计划中还包括心电图(ECG)。.

为什么这很重要

It is the primary organised strategy for identifying at-risk young athletes before a fatal event occurs, but its ability to detect all dangerous conditions is limited.

如何避免英年早逝

PREVENT 方程

定义

PREVENT(心血管疾病事件风险预测)方程是2026年ACC/AHA指南采纳的一项心血管风险模型,用于估计动脉粥样硬化性心血管疾病(ASCVD)的10年和30年终生风险,它取代了以往基于弗明汉(Framingham)的合并队列方程,并使得从30岁开始进行更早的风险分层成为可能。.

为什么这很重要

Understanding which risk model your doctor uses explains why two patients with similar cholesterol numbers can receive very different treatment recommendations.

为什么你‘正常’的胆固醇其实是一个警告信号

Preventive Cardiologist

定义

A preventive cardiologist is a physician subspecialist focused on identifying and modifying cardiovascular risk factors before a first event occurs, using advanced lipid testing, imaging, and genetic risk assessment rather than waiting for symptomatic disease.

为什么这很重要

The article suggests high-IHC individuals may need referral to this specialist rather than routine primary-care management.

阅读:终于提出了正确问题的心脏健康应用

Primary Percutaneous Coronary Intervention (Primary PCI)

定义

Primary PCI is emergency angioplasty performed as the immediate treatment for a heart attack — physically reopening the blocked coronary artery with a balloon and usually a stent, rather than using clot-dissolving drugs. It is currently the preferred acute treatment in hospitals equipped to perform it quickly.

为什么这很重要

Primary PCI is the reason in-hospital death after a heart attack has fallen to roughly 4–7% in high-income countries, making it the cornerstone of modern acute cardiac rescue.

心血管疾病史

初级预防

定义

一级预防是指对从未发生过心脏病发作或中风的人进行治疗,以防止首次发作。.

为什么这很重要

The bar for treatment is higher here than for someone who already has known disease, because the benefit per person is smaller. This distinction is why aspirin advice differs so sharply between the two groups.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

Primordial Prevention

定义

原始预防是一种旨在从出生或生命早期开始将致动脉粥样硬化暴露维持在接近零的水平,从而从根本上阻止心血管危险因素发展的策略,而不是去治疗危险因素或现有疾病。它区别于针对已经有危险因素但尚无临床疾病的人群的一级预防。.

为什么这很重要

It represents the furthest upstream approach to eliminating heart disease: preventing the conditions that cause the disease before they ever appear.

心脏病是一种选择吗?阻止斑块形成的‘零风险’秘诀

PRISMA 2020

定义

PRISMA 2020 (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) is a standardized reporting guideline that specifies how a systematic review should document its search strategy, study selection, and risk-of-bias assessment; the article explicitly notes it did not follow PRISMA, which is a stated limitation of its narrative format.

为什么这很重要

Knowing that a review did not follow PRISMA helps you calibrate how systematically its evidence was gathered and whether important studies might have been missed.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

普里蒂金计划

定义

An intensive cardiac rehabilitation program combining a very low-fat, high-fiber diet with structured exercise, developed by Nathan Pritikin; clinical studies have shown it improves blood flow, lipid profiles, and cardiac symptoms in patients with established heart disease.

为什么这很重要

Understanding named lifestyle programs helps readers compare the evidence behind each approach to reversing heart disease.

阅读:饮食真的能逆转心脏病吗?

Pro-Thrombotic Sensitizer

定义

A pro-thrombotic sensitizer is an agent that does not directly initiate blood clot formation but lowers the activation threshold of platelets, making them hyperreactive to normal clotting stimuli such as thrombin or collagen; TMAO acts as a pro-thrombotic sensitizer by promoting calcium release from the platelet dense tubular system.

为什么这很重要

This mechanism explains how elevated TMAO increases heart attack and stroke risk even without directly blocking an artery.

牛排中的隐形毒素:肠道细菌如何引发心脏病

PROCARDIS

定义

A European multicenter case-control study of coronary artery disease genetics in which two LPA variants (rs10455872 and rs3798220) were associated with per-allele coronary heart disease odds ratios of 1.70 and 1.92, strengthening the causal evidence for Lp(a).

为什么这很重要

It is one of the key genetic studies the article cites to support the conclusion that high Lp(a) causes — not merely predicts — heart disease.

阅读:什么是脂蛋白 (a)?

前药

定义

前体药物是一种在给药后通过代谢过程转化为其活性形式的药理学无活性化合物;本培酸是一种专门在肝脏中被激活的前体药物,这就是为什么它能避免引起他汀类药物所产生的肌肉副作用。.

为什么这很重要

Understanding that bempedoic acid is a prodrug explains why it is an option for patients who cannot tolerate statins due to muscle symptoms.

雌激素能保护女性动脉免受斑块形成吗?

PROMISE Trial

定义

一项大型随机试验比较了CT血管造影与功能性负荷试验在有症状的稳定性胸痛患者中的应用;文中引用的研究结果显示,钙化评分(CAC)为零的受试者中,16.5%患有非阻塞性冠状动脉疾病,1.5%患有阻塞性疾病,这表明即使钙化评分为零,仍存在残余风险。.

为什么这很重要

PROMISE data directly challenge the assumption that a zero CAC score rules out significant coronary disease in symptomatic patients.

零的力量:没有钙 – 没有风险?

Proprotein Convertase

定义

前蛋白转化酶是通过切割来激活其他蛋白质的酶。PCSK9 属于这个家族——它的全名是前蛋白转化酶枯草溶菌素/kexin 9型。.

为什么这很重要

The name explains the abbreviation. PCSK9 is the ninth member of the family to be identified, and the only one that turned out to be a major cholesterol target.

Read: Cholesterol: How Low is Too Low?

Prospective Cohort Study

定义

A study design in which a group of participants is enrolled and followed forward in time, with their diet and other exposures recorded before disease outcomes occur; the 13-study meta-analysis cited in the article pooled data from over 844,000 participants followed in this way.

为什么这很重要

Most of the human evidence linking diet to cardiovascular disease comes from this design, so understanding it clarifies the nature and limitations of the data.

阅读:问答:你对红肉的热爱会有危险吗?

Prospective ECG Triggering

定义

A CAC scan acquisition technique in which X-ray exposure is synchronized to a specific phase of the cardiac cycle—typically diastole—using the electrocardiogram signal, minimizing motion blur so that small calcified lesions can be accurately detected and measured.

为什么这很重要

Without precise cardiac gating, motion artifact would make it impossible to reliably quantify millimeter-scale calcium deposits.

阅读:冠状动脉钙化与运动风险

Prostacyclin (PGI₂)

定义

Prostacyclin is a chemical produced by the cells lining blood vessels that opposes platelet aggregation and keeps vessels dilated; unlike platelets, vessel-lining cells can regenerate their enzymes, so low-dose aspirin spares prostacyclin production while still blocking platelet-derived TxA₂.

为什么这很重要

The balance between TxA₂ and prostacyclin explains why dose matters—higher aspirin doses suppress the body's own protective chemistry without adding clot-prevention benefit.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

Proteoglycan Binding

定义

蛋白多糖结合是一种电化学相互作用,通过该相互作用,ApoB富含赖氨酸和精氨酸的带正电区域牢固结合到内膜基质蛋白(如多配体蛋白聚糖、多功能蛋白聚糖、全特异蛋白聚糖和核心蛋白聚糖)带负电的糖胺聚糖链上。这种结合显著延长了脂蛋白颗粒在动脉壁内的驻留时间,使其极易受到...

为什么这很重要

It explains the molecular 'stickiness' that traps cholesterol particles in artery walls and why fewer particles in circulation means fewer particles caught.

心脏病是一种选择吗?阻止斑块形成的‘零风险’秘诀

Proteoglycan Retention

定义

Proteoglycans are sticky sugar-and-protein molecules in the artery wall. ApoB particles bind to them and get held in place.

为什么这很重要

This is the trapping step. A particle that enters and leaves again causes no harm; one that sticks starts a plaque. It explains why the number of particles passing through matters so much.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

蛋白质稳态

定义

蛋白质稳态:通过协调平衡蛋白质合成、折叠以及包括自噬和泛素-蛋白酶体系统在内的降解途径,细胞对稳定、功能性蛋白质库的维持;其随年龄增长而受损会导致受损蛋白质积累,并与神经退行性疾病及其他与年龄相关的疾病有关。.

为什么这很重要

Proteostasis explains at a molecular level why cellular 'housekeeping' declines with age and why strategies that activate autophagy are relevant to longevity.

阅读:停止随着年龄增长而衰弱……新兴的抗衰老科学!

Proximal Coronary Segment

定义

The proximal coronary segment refers to the portion of a coronary artery closest to its origin from the aorta; plaques in these segments are considered highest risk because blockages there can cut off blood supply to the largest area of heart muscle.

为什么这很重要

The Master@Heart study's finding that lifelong athletes had more non-calcified plaques specifically in proximal segments is what made its results particularly concerning for clinicians.

巅峰体能与隐形钙化:运动员的斑块积聚悖论

Pseudogenization

定义

Pseudogenization is the mutational inactivation of a gene so that it can no longer produce a functional protein; the CMAH gene in humans underwent pseudogenization via a frameshift deletion, leaving an intact but nonfunctional gene sequence inherited by all modern humans.

为什么这很重要

Because the CMAH gene is pseudogenized rather than absent, humans carry the molecular 'scar' of a lost metabolic pathway that once made them susceptible to ancient malaria.

你的免疫系统在与你的牛排开战吗?

Pulse Wave Velocity

定义

脉搏波速度用于测量每次心跳产生的压力波沿动脉传播的速度。动脉越硬,传播速度越快。.

为什么这很重要

It is the standard measure of arterial stiffness and one of the better estimates of how old your blood vessels behave, independent of your birthday.

从子宫到逆转:消除一生的动脉损伤

PURE Study

定义

A large prospective cohort study (Prospective Urban Rural Epidemiology) that enrolled over 155,000 individuals from 21 countries spanning low-, middle-, and high-income settings to examine the contribution of modifiable risk factors to cardiovascular disease and mortality; it found that traditional risk factors account for the large majority of cardiovascular events worldwide.

为什么这很重要

The PURE study underpins the article's argument that heart disease is largely preventable, strengthening the case for primordial prevention.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

Pyridoxal-5-Phosphate (P-5-P)

定义

维生素B-6的活性辅酶形式,是胱硫醚$\beta$-合酶催化同型半胱氨酸通过转硫氨基途径转化为胱硫醚(即不可逆的代谢清除途径)所必需的。.

为什么这很重要

It clarifies why B-6 is part of homocysteine-lowering regimens but also why its contribution is minimal unless a true deficiency is present.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

Pyroptosis

定义

Pyroptosis is a form of inflammatory programmed cell death, distinct from apoptosis, that is triggered by activation of inflammasome complexes such as NLRP3; in the context of TMAO, it refers to the death of oligodendrocytes in the brain driven by ROS-NLRP3 signaling, contributing to demyelination and cognitive decline.

为什么这很重要

Understanding pyroptosis explains one mechanism by which high TMAO levels may accelerate neurodegenerative diseases like Alzheimer's.

牛排中的隐形毒素:肠道细菌如何引发心脏病

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Q

Qualitative Fat Substitution Model

定义

The qualitative fat substitution model is a dietary strategy endorsed by bodies such as the AHA that focuses on replacing saturated and trans fatty acids with poly- and monounsaturated fats while permitting total fat intakes of 30–45% of calories, as embodied in the Mediterranean dietary pattern.

为什么这很重要

It represents the mainstream alternative to ultra-low-fat approaches and underpins most current heart-health dietary guidelines.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

定量冠状动脉造影术

定义

定量冠状动脉造影术是一种从造影图像中精确测量动脉狭窄程度的方法,而不是靠肉眼估计。.

为什么这很重要

Early studies of whether diet or drugs could reverse heart disease relied on this method. It measures the open channel only, which is why its findings need careful interpretation.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

Quantitative Coronary Arteriography

定义

A computer-assisted technique that measures the diameter of coronary artery segments from X-ray angiographic images, providing objective, numerical data on the degree of stenosis and plaque burden over time.

为什么这很重要

This was the imaging tool used in the Ornish Lifestyle Heart Trial to confirm that plaques actually shrank, making it the evidentiary backbone of claims that atherosclerosis can be reversed.

阅读:心脏病可以治愈吗?

定量脂肪范式

定义

定量脂肪范式认为,决定动脉粥样硬化斑块能否消退的是膳食脂肪的总量——而不仅仅是其类型——其关键阈值设定在每日热量的10%以下; 这与“脂肪替代”模型形成鲜明对比,后者侧重于用不饱和脂肪替代饱和脂肪,同时允许更高的总脂肪摄入量。.

为什么这很重要

Understanding this distinction explains why some dietary approaches are linked to plaque regression while others only slow progression.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

Quasi-Randomized Trial

定义

A quasi-randomized trial is a study that uses an allocation method that is not purely random—such as assigning whole households or clinics to the same group—making it less reliable than a properly randomized controlled trial because systematic differences between groups can bias the results; after its randomization problems were revealed, PREDIMED was reclassified as quasi-randomized.

为什么这很重要

The downgrade of PREDIMED from a true RCT to a quasi-randomized trial directly weakens the evidentiary foundation for olive oil's cardiac benefits.

阅读:橄榄油真的健康吗?

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R

Randomization

定义

随机化是将试验参与者通过机会分配到治疗组或对照组的过程,以确保已知和未知的混杂因素得以均匀分布;当随机化失败时(正如审计人员在 PREDIMED 研究中发现的那样),各组之间可能会出现差异,从而扭曲表面上的治疗效果。.

为什么这很重要

Proper randomization is the foundation of a trustworthy clinical trial; its failure in PREDIMED is why that study's pro-olive-oil findings must be treated with caution.

阅读:橄榄油真的健康吗?

随机对照试验

定义

随机对照试验纯粹通过机会将受试者分到处理组或对照组,然后对这两组进行随访。.

为什么这很重要

Randomizing is the whole trick. It means the two groups should be alike in every way except the treatment, so any difference in outcome can fairly be blamed on the treatment itself. It is the strongest evidence medicine has.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

Rapamycin

定义

A pharmacologic inhibitor of mTORC1 that reproducibly extends lifespan and healthspan in multiple model organisms, including mice, even when started late in life; it is used experimentally to study the role of mTOR in aging, though its clinical use in healthy humans for longevity remains investigational.

为什么这很重要

Rapamycin is one of the most studied potential longevity drugs and illustrates why researchers target the mTOR pathway to slow aging.

阅读:停止随着年龄增长而衰弱……新兴的抗衰老科学!

Rate-Pressure Product (RPP)

定义

Rate-pressure product is the mathematical product of heart rate and systolic blood pressure, used as a non-invasive index of myocardial oxygen demand. Because trained athletes achieve high external work at a lower RPP than untrained individuals, their ischemic threshold may not be reached until near-maximal effort.

为什么这很重要

It explains why an athlete's efficient heart can silently tolerate a significant blockage at everyday intensities but become vulnerable at peak exertion.

运动如何阻断疼痛:运动员心脏的致命秘密

Ratio of Hazard Ratios (RHR)

定义

A comparison of the hazard ratio for a given exposure (such as smoking) in one group (women) versus another (men), used to quantify sex-specific differences in risk; an RHR greater than 1.0 indicates the exposure is relatively more harmful in the first group.

为什么这很重要

It reveals that smoking is disproportionately dangerous for women's hearts, arguing against a one-size-fits-all approach to prevention.

载脂蛋白B、脂蛋白(a)与C反应蛋白在动脉粥样硬化进展中的综合动力学

Recanalization

定义

Recanalization is the restoration of blood flow through a vessel that was previously completely or severely blocked, either spontaneously or in response to treatment; in the context of atherosclerosis regression, it describes the reopening of an occluded coronary artery through aggressive lipid lowering and lifestyle change rather than mechanical intervention.

为什么这很重要

It is the medical term for the 'impossible' reversal at the heart of Peter's story.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

受体缺陷型纯合子家族性高胆固醇血症

定义

受体缺陷型家族性高胆固醇血症(HoFH)指LDLR基因型保留了2–25%正常受体活性的情况,其未治疗时的低密度脂蛋白胆固醇(LDL-C)水平较受体阴性型略低(300–500 mg/dL),疾病进展速度也稍慢,但仍与早发性心血管疾病相关。.

为什么这很重要

The distinction between receptor-negative and receptor-defective status explains the wide variation in age of first heart attack among HoFH patients.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

受体阴性纯合子家族性高胆固醇血症

定义

受体阴性家族性高胆固醇血症(HoFH)是指最严重的低密度脂蛋白受体(LDLR)基因型,此类患者正常的低密度脂蛋白受体活性不足2%,导致肝脏几乎完全无法从循环系统中清除低密度脂蛋白颗粒,从而引发该病症中最高的胆固醇水平和最早出现的心血管事件。.

为什么这很重要

Knowing receptor status predicts how aggressively and urgently treatment must begin in an HoFH patient.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

重新分类

定义

在心血管风险评估中,重新分类是指通过一项额外的检查(例如冠状动脉钙化扫描或载脂蛋白B测量)将患者从一个风险类别转移到另一个风险类别这一过程,从而促使治疗决策发生改变,而仅凭标准风险计算器是不会引发这种改变的。.

为什么这很重要

It quantifies how often a new test actually changes what a doctor does for a patient, which is the practical test of whether the test is worth ordering.

医生没有为你开具的心脏检查

红曲米

定义

一种由红曲霉发酵大米制成的膳食补充剂,天然含有莫纳可林K(一种在化学结构上与处方他汀类药物洛伐他汀相同的化合物);它通过与制药他汀类药物相同的HMG-CoA还原酶途径降低低密度脂蛋白胆固醇。.

为什么这很重要

Because its active ingredient is essentially an unregulated statin, red yeast rice carries both the benefits and risks of statin therapy, including variable potency between products.

纳豆激酶与心血管斑块:人体研究的真实情况

REDUCE-IT Trial

定义

一项大型随机试验纳入了8,179名高危且正在接受他汀类药物治疗的患者,将其随机分配至每日服用4克艾科沙潘乙酯组或矿物油安慰剂组;该试验报告称,在中位随访4.9年的期间内,主要心血管事件的相对风险降低了25%,且治疗人数为21。.

为什么这很重要

REDUCE-IT is the pivotal trial behind Vascepa's cardiovascular indication and the center of ongoing scientific debate about fish oil therapy.

阅读:心脏病与鱼油

Reductionist Nutrient Analysis

定义

An approach to nutrition science that studies individual nutrients or food components in isolation rather than examining whole dietary patterns; Campbell critiques this framework, arguing that nutrients interact synergistically and that isolating one compound (such as protein) cannot capture the full health effect of a diet.

为什么这很重要

Understanding this methodological debate helps explain why two credentialed scientists looking at similar data reach opposite conclusions.

阅读:蛋白质辩论

Regression (Coronary Artery)

定义

A measurable reduction in the size or severity of atherosclerotic plaque within a coronary artery, documented by imaging or angiography; the opposite of progression.

为什么这很重要

Regression is the scientific standard used to judge whether a diet or drug has actually reversed—not merely slowed—heart disease.

阅读:饮食真的能逆转心脏病吗?

Relation Coefficient

定义

The relation coefficient (R) is the numerical weight assigned to a family member in the Inherited Hazard Coefficient formula based on degree of biological relatedness: 0.5 for first-degree relatives such as parents and siblings, and 0.25 for second-degree relatives such as grandparents and aunts and uncles.

为什么这很重要

It reflects the proportion of genes shared with a given relative and explains why a sibling's heart attack is weighted twice as heavily as a grandparent's.

阅读:终于提出了正确问题的心脏健康应用

相对风险

定义

相对风险比较了两个组:与那一组相比,这一组的心脏病发作率低30%。.

为什么这很重要

It is the number used in almost every headline, and it can be deeply misleading on its own. Thirty percent off a large risk is meaningful. Thirty percent off a tiny risk is almost nothing. Always ask what it is 30 percent of.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

再甲基化

定义

清除血液中同型半胱氨酸的两种代谢途径之一,利用5-甲基四氢叶酸作为甲基供体、维生素B-12作为辅助因子,将其转化回蛋氨酸;这条途径是对同型半胱氨酸进行循环利用,而不是将其永久降解排出。.

为什么这很重要

This is why folate and B-12 — not B-6 — are the vitamins that reliably lower a fasting homocysteine level.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

残余胆固醇

定义

残余胆固醇是指富含甘油三酯的颗粒在卸载大部分脂肪后,其残余物中所携带的胆固醇。.

为什么这很重要

These leftovers are small enough to get into artery walls and are thought to be particularly good at causing trouble. They are a major reason people with high triglycerides carry extra risk that LDL alone does not capture.

为什么载脂蛋白B(ApoB)很重要?

Remnant Particles

定义

富含甘油三酯的VLDL和乳糜微粒在血液中部分分解后留下的富含胆固醇的脂蛋白颗粒;它们包括IDL和乳糜微粒残粒。与LDL一样,它们携带载脂蛋白B分子,可以穿透动脉壁,促成动脉粥样硬化。

为什么这很重要

Visceral obesity raises remnant particle levels even when LDL cholesterol looks normal, adding to cardiovascular risk that a standard lipid panel can miss.

Read: Obesity and heart disease

Renin–Angiotensin System (RAS) Blockers

定义

A class of medications—including ACE inhibitors and angiotensin receptor blockers—that reduce blood pressure and cardiac remodeling by interrupting the hormonal cascade that regulates vascular tone and fluid balance; observational data suggest they are associated with better outcomes in MINOCA patients.

为什么这很重要

RAS blockers represent one of the few medication classes shown in registry data to improve prognosis after a MINOCA event.

隐匿性梗死:MINOCA机制、诊断与管理的深入研究验证

Repatha (Evolocumab)

定义

A brand-name PCSK9 inhibitor — a monoclonal antibody given by injection — that blocks the protein PCSK9, preventing it from degrading LDL receptors and thereby dramatically lowering LDL cholesterol, often by 50–60% on top of statin therapy.

为什么这很重要

Knowing what Repatha is clarifies how the author achieved an LDL of 25 mg/dL, a level far below what diet or statins alone typically reach.

资深运动员的心脏病:我是如何逆转动脉阻塞并在65岁打破世界纪录的

Replacement Dynamics

定义

Replacement dynamics refers to the statistical principle that a food's apparent health benefit may reflect what it displaces in the diet rather than any intrinsic property; in olive oil research, much of the observed cardiovascular benefit disappears when olive oil is compared against other plant oils rather than against butter or animal fats.

为什么这很重要

Understanding replacement dynamics prevents you from mistaking 'better than butter' for 'independently protective.'

阅读:橄榄油真的健康吗?

残余心血管风险

定义

即使在将低密度脂蛋白胆固醇和血压等已知危险因素控制在正常范围内后,重大心血管事件仍可能发生,这归因于持续存在的钙化、动脉僵硬、低度炎症以及斑块稳定化不完全。.

为什么这很重要

Residual risk clarifies why achieving a functional 'cure' of active atherosclerosis does not eliminate all future cardiovascular danger, a nuance the article explicitly addresses.

阅读:心脏病可以治愈吗?

Residual Confounding

定义

即使在统计调整后观察性研究中仍然存在的偏倚,因为某些共同的风险因素(如贫困、吸烟或糖尿病)无法被完全测量或消除;对于像 1.20 这样适度的相对风险,仅残留混杂因素就有可能解释整个观察到的关联。

为什么这很重要

It is the core reason experts cannot conclude that gum disease causes heart disease despite decades of association data.

阅读:牙龈疾病与心脏病

残余炎症风险

定义

残余炎症风险是指,尽管患者的低密度脂蛋白胆固醇(LDL-C)已达到指南推荐的目标值,但其高敏C反应蛋白(hsCRP)等炎症标志物仍持续升高,从而导致心血管事件发生率居高不下的一种现象;它代表了动脉粥样硬化发生发展的第二条平行途径,单纯降脂治疗无法解决这一问题。.

为什么这很重要

It explains why some people still have heart attacks despite 'good' cholesterol numbers, and why anti-inflammatory treatments matter.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

剩余风险

定义

残余风险是指在采取了常规干预措施(如治疗胆固醇、控制血压、戒烟)之后依然存在的风险。.

为什么这很重要

It comes from sources like Lp(a), ongoing inflammation, insulin resistance, and kidney disease. Recognizing it is what pushes doctors to look past the standard checklist when someone keeps having events anyway.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

力量训练

定义

力量训练是指让肌肉对抗负荷(如哑铃、弹力带或自身体重)进行锻炼。.

为什么这很重要

It was long treated as separate from heart health, something for building muscle rather than protecting arteries. That view has shifted. It improves blood pressure, blood sugar, and body composition, and it protects the muscle that aging otherwise takes away.

阅读:举铁能帮助你的心脏泵血吗?

Response-to-Retention Hypothesis

定义

反应-滞留假说是早期动脉粥样硬化的主流机制解释,该假定认为,起始事件是含apoB的脂蛋白颗粒与动脉内膜中的蛋白聚糖发生结合并被滞留,这一过程发生在炎症或泡沫细胞形成之前。.

为什么这很重要

It explains why particle count over time — rather than cholesterol cargo — is considered the most direct driver of plaque development.

载脂蛋白B:更长、更高、更糟

反应-保持模型

定义

滞留反应学说认为,动脉粥样硬化的发生始于含ApoB的脂蛋白穿过内皮屏障并被动脉内膜中的蛋白聚糖截留,从而引发氧化修饰、免疫细胞募集、泡沫细胞形成以及最终的斑块发展。.

为什么这很重要

It is the mechanistic foundation for why high particle counts — measured by ApoB — drive heart disease regardless of family history.

基因好能战胜血脂差吗?

Retention Hypothesis

定义

The response-to-retention hypothesis holds that atherosclerosis begins when ApoB particles are retained in the artery wall, with inflammation following as a consequence.

为什么这很重要

It is the organizing idea behind modern prevention. It settles the chicken-and-egg question by putting the particle first: no retained particles, no plaque, however much inflammation is present.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

Retraction

定义

撤稿是指已发表的科学论文由其作者或期刊正式撤回,通常是因为设计、数据或报告中的严重错误削弱了该论文的结论; PREDIMED研究于2018年被撤稿,原因是发现其随机分组程序在约21%名受试者中存在缺陷,随后该论文在修正了统计分析后重新发表。.

为什么这很重要

The retraction of PREDIMED—the most cited olive oil trial—is a key reason the evidence for olive oil's independent benefit is weaker than commonly portrayed.

阅读:橄榄油真的健康吗?

血运重建术

定义

血运重建术是一种医疗或外科手术(例如冠状动脉旁路移植术或经皮冠状动脉介入治疗),旨在恢复通过阻塞或狭窄的冠状动脉的血流,解决的是物理性阻塞,而不是潜在的动脉粥样硬化病变过程。.

为什么这很重要

The article contrasts revascularization with dietary regression to make the point that conventional treatments manage symptoms while dietary intervention may address the root cause.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

揭幕匾额

定义

A peer-reviewed study evaluating AI-enabled automated quantitative plaque analysis on coronary CT angiography, supporting the use of machine-learning algorithms to measure total plaque burden more granularly than a single Agatston calcium sum.

为什么这很重要

This research points toward a future where software—not just a radiologist's eye—catches soft plaque that a standard calcium score would miss entirely.

阅读:冠状动脉钙化与运动风险

反转

定义

REVERSAL 研究对比了中等强度与强化他汀类药物治疗,使用血管内超声测量了冠状动脉斑块的变化情况。.

为什么这很重要

Plaque kept growing on the moderate dose and stopped on the intensive one. It was an early demonstration that how far you lower LDL changes the disease itself, not just the risk statistics.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

反向因果关系

定义

反向因果关系是指箭头指向相反的方向——是疾病导致了暴露,而不是暴露导致了疾病。.

为什么这很重要

It explains several persistent myths. Low cholesterol appears linked to cancer partly because early undiagnosed cancer lowers cholesterol, and non-drinkers look unhealthy partly because some quit drinking due to illness.

胆固醇大谎言:揭露饮食行业的有组织否认

胆固醇逆向转运

定义

胆固醇逆转运是将胆固醇从包括动脉壁在内的组织中移出并运回肝脏进行处理的过程。高密度脂蛋白(HDL)颗粒承担了这一运输工作。.

为什么这很重要

How well this system works appears to matter more than how much HDL you have. That is likely why drugs that simply raised HDL numbers failed to prevent heart attacks.

胆固醇:它有什么用?

逆向重构

定义

The inward movement of the external elastic membrane that occurs as plaque burden decreases, returning the artery toward its original, smaller caliber rather than enlarging the lumen; it is the principal explanation for the lumen paradox.

为什么这很重要

It explains why a successfully treated artery may look the same or slightly smaller on a scan even as its walls become safer and more stable.

冠状动脉斑块消退、管腔悖论与运动员的血管重塑:整合药物与全食物植物性策略

横纹肌溶解症

定义

横纹肌溶解症是骨骼肌组织的快速分解,会将细胞内容物(包括肌红蛋白)释放到血液中;一个关键的警告信号是呈深茶色或可乐颜色的尿液,如果不加以治疗,会导致急性肾衰竭。.

为什么这很重要

Although rare with modern statins, rhabdomyolysis is the most dangerous form of drug-related muscle injury and requires prompt medical attention.

我应该服用降胆固醇药吗?当然应该。.

Rhesus Macaque

定义

恒河猴(Macaca mulatta)是旧大陆猴,被广泛用作动脉粥样硬化研究中的主要动物模型,因为在高胆固醇饮食下,它们的脂蛋白谱会转变为以ApoB为主的形式,这类似于人类的高胆固醇血症,并会发展出具有纤维帽、坏死核心、斑块内出血和钙化的晚期冠状动脉斑块。.

为什么这很重要

Understanding why primate experiments are considered strong evidence helps readers judge how confidently findings translate to human heart disease.

Read: Can heart disease be reversed?

Rheumatoid Arthritis

定义

Rheumatoid arthritis is an autoimmune disease in which the immune system attacks the joints.

为什么这很重要

The inflammation is not confined to joints. People with it develop cardiovascular disease earlier and more often than their standard risk factors predict, so guidelines treat it as a risk enhancer.

阅读:心脏病与鱼油

Rho GTPases (RhoA, Rac1, Cdc42)

定义

Rho GTPases are a family of intracellular molecular switches — including RhoA, Rac1, and Cdc42 — that cycle between active and inactive states to regulate cytoskeletal dynamics, cell migration, and endothelial permeability, thereby influencing how readily lipoprotein particles enter and are retained in the artery wall.

为什么这很重要

They represent the 'local gate' that determines arterial vulnerability, so systemic ApoB levels alone do not fully explain who develops plaque.

胆固醇:它有什么用?

Rhythm Control

定义

A treatment strategy aimed at restoring and maintaining normal sinus rhythm, as opposed to rate control, which simply slows the heart rate during AF; catheter ablation is the most invasive rhythm-control approach.

为什么这很重要

The article contrasts rhythm-control durability in athletes versus non-athletes after ablation.

问答:房颤、耐力训练与消融术——运动员需要了解的知识

RICCADSA Trial

定义

A randomized trial of CPAP versus no CPAP in patients with coronary artery disease and nonsleepy obstructive sleep apnea (AHI ≥15, Epworth Sleepiness Scale score

为什么这很重要

It illustrates both the limits of randomized evidence for CPAP and the difficulty of interpreting adherence-based subgroup analyses.

阅读:睡眠与您的心脏

Right Coronary Artery (RCA)

定义

One of the two main coronary arteries that supply oxygenated blood to the heart muscle; it runs along the right side of the heart and feeds the right ventricle and, in most people, the lower wall of the left ventricle.

为什么这很重要

The RCA was the site of Dr. Megdal's largest blockage (70%), making it a central detail in understanding the severity of his disease.

Read: How I Reversed My Heart Disease

风险计算器

定义

风险计算器根据您的年龄、胆固醇、血压和其他一些输入信息,来估算您在未来十年内发生心脏病发作或中风的几率。.

为什么这很重要

They are useful starting points but systematically underestimate risk in younger people, because ten-year windows hide a lifetime of accumulating exposure. Most also ignore family history and Lp(a) entirely.

双倍剂量:你的家谱是生物危险品吗?这里有拯救生命的信息

风险预测

定义

Risk prediction in cardiovascular medicine refers to the use of clinical variables — such as age, blood pressure, cholesterol, and smoking status — or direct measurements such as imaging to estimate an individual's probability of suffering a heart attack or stroke within a defined time horizon.

为什么这很重要

The article contrasts traditional risk prediction from blood tests with the more direct information provided by arterial imaging.

Read: You Feel Fine – That’s the Problem

RNA-Based Therapies (for Lp(a))

定义

RNA-based therapies targeting Lp(a) — including the small interfering RNA agent Inclisiran and investigational agents such as Pelacarsen (an antisense oligonucleotide) and Olpasiran (a small interfering RNA) — work by silencing the hepatic gene that produces apolipoprotein(a), reducing Lp(a) levels by up to 95% in clinical trials.

为什么这很重要

These drugs represent the first realistic hope of treating a risk factor that diet, exercise, and statins cannot meaningfully lower.

为什么你‘正常’的胆固醇其实是一个警告信号

Road Time Trial

定义

A competitive cycling event held on open roads in which each rider starts individually and races against the clock over a fixed course, using aerodynamic equipment and positioning to minimize resistance.

为什么这很重要

The sustained, high-intensity cardiovascular demand of a time trial makes it a benchmark for aerobic fitness in masters athletes.

阅读:Peter Megdal 接受《Dedham Times》采访

ROBINS-I

定义

A standardized tool (Risk Of Bias In Non-randomized Studies of Interventions) used in systematic reviews to rate how susceptible each observational study is to bias; in the Larvin meta-analysis, 21 of 32 included studies were rated at critical risk and the rest at serious risk, with none rated low.

为什么这很重要

The near-universal critical risk rating across the cardiovascular–periodontitis literature is a key reason causation cannot be inferred from the pooled data.

阅读:牙龈疾病与心脏病

Romosozumab

定义

A monoclonal antibody that blocks sclerostin, simultaneously stimulating bone formation and reducing bone resorption; it carries a boxed warning for cardiovascular risk in patients with pre-existing heart disease.

为什么这很重要

Its boxed cardiovascular warning is frequently — and incorrectly — generalized to other osteoporosis drugs, potentially leaving high-risk patients untreated.

阅读:牙龈疾病与心脏病

返回顶部

S

Salutogenic

定义

Health-promoting, as opposed to pathogenic; used in this article to describe the physiologically beneficial role of high cholesterol in breast-fed infants, where lipids support brain myelination and cell membrane synthesis rather than driving disease.

为什么这很重要

Helps readers understand why the same cholesterol number that is dangerous in an adult can be normal and necessary in an infant.

阅读:婴儿需要服用他汀类药物吗?

参孙

定义

SAMSON是一项罕见的试验,在该试验中,因副作用而停用他汀类药物的患者以随机顺序服用了他汀类药物、外观相同的安慰剂以及完全不服药。.

为什么这很重要

Symptoms were nearly as bad on the placebo as on the real drug. It is the strongest evidence that most statin side effects are a nocebo response, and many participants restarted treatment afterward.

我应该服用降胆固醇药吗?当然应该。.

肌少症

定义

Sarcopenia is the progressive loss of muscle mass and strength that comes with age.

为什么这很重要

It predicts falls, disability, and death, and it accelerates sharply after about 60. Resistance training and adequate protein are the only well-established defenses, and both become more important with age rather than less.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

肌少性肥胖

定义

肌少性肥胖是一种身体组成状态,即个体在拥有过多体脂的同时肌肉量偏低,即使总体重看起来正常;它与衰弱、胰岛素抵抗和死亡风险增加有关。

为什么这很重要

It explains why the scale or BMI alone can be misleading—hidden muscle loss dramatically affects long-term health outcomes.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

Satiety

定义

餐后的饱腹感和食欲抑制;按每卡路里计算,蛋白质是最具饱腹感的宏量营养素,高蛋白饮食正是利用这一特性来减少总能量摄入并辅助减重。

为什么这很重要

Satiety helps explain why higher-protein diets often produce weight loss without deliberate calorie counting.

阅读:蛋白质辩论

饱和脂肪

定义

饱和脂肪是在室温下呈固态的脂肪——比如黄油、红肉中的脂肪、椰子油和棕榈油。.

为什么这很重要

It raises LDL cholesterol by making your liver less efficient at clearing particles from your blood. Replacing it with unsaturated fat lowers cholesterol. Replacing it with sugar and refined flour does not, which is where a lot of confusing advice came from.

椰子油作为健康食品的神话:行业如何左右你的饮食!

Saturated Fatty Acids (SFAs)

定义

Saturated fatty acids are fat molecules with no carbon-carbon double bonds, found abundantly in butter, coconut oil, and fatty meat; they raise LDL cholesterol and ApoB-containing lipoprotein levels more than unsaturated plant oils, which is why replacing them with unsaturated fats is a central public-health recommendation.

为什么这很重要

The entire dietary fat debate hinges on what you replace saturated fat with, making this the baseline for comparison.

阅读:seed oils 是否健康,是真是假?

SATURN Trial

定义

一项对比瑞舒伐他汀 40 毫克与阿托伐他汀 80 毫克、为期 24 个月的头对头、连续 IVUS 试验表明:两种给药方案均可使冠状动脉斑块消退,这证实了使用任一高效他汀类药物进行强化治疗均可实现相似的斑块体积缩小。.

为什么这很重要

SATURN reinforced that it is the degree of LDL lowering, not the specific statin, that drives regression, guiding treatment choices.

Read: Reversal of Coronary Atherosclerosis: Mechanistic Insights from Human and Primate Studies

SAVE Trial

定义

A large randomized controlled trial (n=2,717) testing whether CPAP reduces major adverse cardiovascular events in adults aged 45–75 with moderate-to-severe obstructive sleep apnea and established coronary or cerebrovascular disease. Despite 3.7 years of follow-up, the trial found no significant difference in cardiovascular outcomes by intention-to-treat analysis, partly because average nightly CP…

为什么这很重要

It is the pivotal evidence behind the conclusion that CPAP has not been shown to prevent heart attacks and strokes in randomized trials, which differs sharply from what many patients are told.

阅读:睡眠与您的心脏

斯堪地那维亚辛伐他汀生存研究 (4S)

定义

4S 试验是一项具有里程碑意义的 1994 年随机对照试验,该试验表明辛伐他汀能显著降低确诊冠心病和高胆固醇患者的全因死亡率及主要心血管事件,为他汀类药物治疗在二级预防中能够挽救生命提供了首个确凿证据。.

为什么这很重要

The 4S study helped cement the 'lower is better' approach to LDL-C and justified the aggressive cholesterol targets that followed in subsequent guidelines.

为什么你‘正常’的胆固醇其实是一个警告信号

SCAPIS

定义

SCAPIS(瑞典心肺生物影像研究)是一项针对25,000多名年龄在50至64岁之间、无已知冠心病史的瑞典成年人的大型人群影像学研究,该研究通过冠状动脉CT血管造影发现,42%的参与者患有动脉粥样硬化,约5%的参与者患有显着狭窄。.

为什么这很重要

Its scale makes it one of the most reliable estimates of how common silent coronary disease is in apparently healthy middle-aged adults.

先天性疾病

Scavenger Receptors (CD36 / SR-A)

定义

Scavenger receptors, including CD36 and SR-A, are cell-surface proteins on macrophages that mediate the uptake of modified lipoproteins; TMAO upregulates these receptors, causing macrophages to accumulate excessive cholesterol and transform into lipid-laden foam cells that embed in artery walls and drive atherosclerotic plaque growth.

为什么这很重要

This links TMAO directly to the formation of arterial plaque, connecting gut bacteria to the core mechanism of heart disease.

牛排中的隐形毒素:肠道细菌如何引发心脏病

Sclerostin

定义

A protein produced by osteocytes that inhibits the Wnt/β-catenin signaling pathway, thereby restraining bone formation; it is also expressed in diseased arterial walls, where it may act as a brake on vascular calcification.

为什么这很重要

Blocking sclerostin is how romosozumab builds bone — but the same block may have unintended vascular consequences in people with established heart disease.

阅读:牙龈疾病与心脏病

SCOT-HEART Trial

定义

SCOT-HEART是一项在苏格兰开展的随机对照试验,旨在比较对稳定型胸痛患者采用标准治疗联合CCTA与仅采用标准治疗的效果; 被分配至CCTA组的患者在5年内发生致命或非致命性心肌梗死的风险降低了41%,这主要归因于扫描检测出了隐匿性病变,从而促成了更早的针对性预防性治疗。.

为什么这很重要

It is the key evidence that getting a detailed coronary CT scan — rather than relying on standard tests alone — can meaningfully reduce heart attacks.

医生没有为你开具的心脏检查

二级预防

定义

二级预防是对已经发生过心脏病发作、中风或安放过支架的患者进行治疗,以阻止下一次发作。.

为什么这很重要

The math here is completely different from prevention in a healthy person. Risk is high, benefit per person is large, and treatments that are optional for a healthy 45-year-old become close to essential.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

Secretory Phospholipase A2 (sPLA2)

定义

Secretory phospholipase A2 is an enzyme present in the arterial wall that cleaves phospholipids on retained LDL particles, chemically modifying them and promoting their aggregation and fusion; this modification accelerates the inflammatory response that drives plaque progression.

为什么这很重要

It illustrates how the arterial wall actively worsens the damage once a particle is trapped, not just passively accumulates it.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

Secretory Sphingomyelinase

定义

分泌型鞘磷脂酶是存在于动脉壁中的一种酶,它能修饰被困在内膜中的潴留低密度脂蛋白(LDL)颗粒,促进其聚集,并使其比天然 LDL 具有更强的致动脉粥样硬化性。.

为什么这很重要

It illustrates that arterial retention—not just circulating LDL levels—is what drives the inflammatory cascade leading to plaque.

阅读:胆固醇大谎言(第二部分)

种子油

定义

Seed oils are cooking oils pressed from seeds — soybean, sunflower, canola, corn, safflower.

为什么这很重要

They have become a popular villain online, blamed for inflammation and disease. When actually tested, replacing saturated fat with them lowers LDL cholesterol and, in controlled trials, reduces heart events. The claimed inflammatory harm has not held up well in humans.

阅读:seed oils 是否健康,是真是假?

细分参与得分(SIS)

定义

冠状动脉CT血管造影测量指标,用于计算包含任何斑块(无论斑块是否钙化)的冠状动脉节段数量(在18个标准化节段中);在SCAPIS研究中,大于4的SIS与首次冠状动脉事件的5.27倍风险比相关。.

为什么这很重要

It captures the breadth of plaque distribution throughout the coronary tree, which predicts heart attack risk more powerfully than calcium score alone.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

SELECT Trial

定义

SELECT 是一项大型随机对照试验,旨在比较每周一次的司美格鲁肽(2.4 毫克)与安慰剂在超重或肥胖且已确诊心血管疾病但未患糖尿病的成人中的疗效;该试验发现,主要心血管不良事件减少了 20%,这表明其心血管获益不仅限于单纯的体重减轻。.

为什么这很重要

SELECT established that GLP-1 medications can directly reduce heart attack and stroke risk, not merely improve metabolic numbers.

现代医学能拯救一个久坐不动的人吗?持续40年的三胞胎实验

Senescent Cells

定义

因应压力或损伤而永久停止分裂、转而分泌由炎性细胞因子、蛋白酶和生长因子组成的混合物的细胞;在动脉壁中,它们的随龄积累会驱动慢性炎症并加速斑块生长。.

为什么这很重要

Knowing that your own aging cells actively worsen plaque helps explain why heart-disease risk climbs with age independent of diet or lifestyle.

Read: How Does Age Affect Atherosclerosis? A Q&A Explainer

抗衰老药物

定义

衰老细胞清除剂是一类旨在选择性杀死衰老细胞的药物或化合物;它们作为潜在的抗衰老疗法正在接受研究,但尚未在人类临床试验中进行过心血管结局的测试,且动物研究表明它们可能会加重晚期疾病中的斑块稳定性。.

为什么这很重要

Senolytics are widely marketed as supplements, but the cardiovascular evidence in humans is absent and animal data raise safety concerns.

Read: Heart disease accelerates as you age

Senotherapeutics

定义

An emerging class of experimental drugs designed to selectively eliminate (senolytics) or suppress the harmful secretions of senescent cells (senostatics), with the goal of reducing inflammation and slowing age-related diseases including atherosclerosis.

为什么这很重要

These drugs represent a potential future tool for targeting the cellular aging process that underlies much of cardiovascular disease risk.

Read: How Does Age Affect Atherosclerosis? A Q&A Explainer

Serial IVUS

定义

对同一冠状动脉节段在两个或多个时间点(通常间隔18-24个月)进行血管内超声成像的技术,以便精确测量同一患者随时间推移的斑块体积和血管尺寸的变化。.

为什么这很重要

Serial IVUS is the gold-standard method for detecting plaque regression in clinical trials and is the basis for most of the evidence cited in this article.

Read: Reversal of Coronary Atherosclerosis: Mechanistic Insights from Human and Primate Studies

Serine Protease

定义

一类利用其活性位点中的丝氨酸残基来断裂蛋白质键的酶;PCSK9 属于此类酶,并利用这种活性靶向 LDL 受体以降解。.

为什么这很重要

Classifying PCSK9 as a serine protease helps explain why antibody drugs—which block its binding rather than its enzymatic site—are an effective therapeutic strategy.

Read: Cholesterol: How Low is Too Low?

Serotonergic Regulation

定义

The biological processes by which the neurotransmitter serotonin is synthesized, released, and modulated; estrogen directly influences serotonin neurons in the brain's raphe nuclei, so estrogen withdrawal can increase stress reactivity and emotional vulnerability.

为什么这很重要

This mechanism links hormonal change to the mood and anxiety symptoms many women experience during menopause.

绝经 内分泌 心血管 风险

Serum Albumin

定义

A protein synthesized by the liver that serves as a key marker of nutritional status and overall protein adequacy; low serum albumin in older adults is consistently associated with higher mortality risk and is used clinically as an indicator of frailty and undernutrition.

为什么这很重要

The article cites albumin as a prognostic marker illustrating why calorie and protein sufficiency—not dietary purity—becomes the dominant concern in oldest-old adults.

素食主义真的能延年益寿吗?这是一个谎言吗?

西兜蛋白2

定义

Sestrin2 is an intracellular sensor protein that detects leucine levels inside the cell and relays that signal to mTORC1; when leucine is abundant, Sestrin2 releases an inhibitory brake on mTORC1, allowing muscle protein synthesis to proceed. It is part of the GATOR2–leucyl-tRNA-synthetase axis that links dietary protein intake to anabolic signaling.

为什么这很重要

It explains the molecular 'lock' that must be opened by leucine before muscles can begin repairs after exercise.

是什么在65岁前夺走你的生命,却可能在65岁后拯救你——蛋白质的悖论

Severe Hypercholesterolemia

定义

根据2026年ACC/AHA/多学会血脂管理指南,重度高胆固醇血症定义为LDL-C ≥190 mg/dL、非HDL-C >220 mg/dL和/或ApoB >140 mg/dL,它代表了一个独特的管理类别,在此类别中,最大耐受剂量的他汀类药物治疗被推荐为I类适应证。.

为什么这很重要

Knowing this threshold clarifies when guidelines recommend treating high cholesterol as a standalone risk — even in the absence of other cardiovascular risk factors or a positive family history.

基因好能战胜血脂差吗?

Severity Weight

定义

The severity weight (W) is a numerical value assigned within the Inherited Hazard Coefficient formula to reflect how serious a relative's cardiac event was — for example, sudden cardiac death receiving a higher weight than a non-fatal, medically managed event.

为什么这很重要

It ensures that a family history of fatal events raises the risk index more sharply than a history of milder outcomes.

阅读:终于提出了正确问题的心脏健康应用

Sex-Specific Cardiovascular Effects

定义

Differences in cardiovascular disease risk, progression, or response to an exposure that depend on biological sex — including sex chromosomes, hormone levels, and hormonal signaling — rather than lifestyle factors alone; estrogen, for example, is thought to confer relative protection against early atherosclerosis in females.

为什么这很重要

The stark male-only plaque increase in this study highlights that sex biology can profoundly shape how environmental exposures harm the heart.

问答:日常微塑料是否在助长心脏病?

共同决策

定义

Shared decision-making is a clinical approach in which the physician and patient together weigh the available evidence — including imaging results, risk factors, and personal goals — to reach a management plan that reflects both medical best practice and the individual's values; the 2025 AHA/ACC guidelines specifically invoke it for athletes found to have elevated coronary calcium scores.

为什么这很重要

For athletes facing a concerning scan result, this framework determines whether they are advised to stop competing, continue with monitoring, or start medications — making it directly relevant to real-life decisions.

巅峰体能与隐形钙化:运动员的斑块积聚悖论

SHBG (Sex Hormone-Binding Globulin)

定义

Sex Hormone-Binding Globulin is a liver-produced glycoprotein that binds testosterone (and estrogen) with high affinity, rendering the bound hormone biologically inactive and unavailable to tissues; because SHBG rises with age, obesity, and metabolic disease, two men with identical total testosterone levels can have very different amounts of usable hormone.

为什么这很重要

Understanding SHBG explains why a 'normal' total testosterone result can still leave a man feeling symptomatic.

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

Short-Chain Fatty Acids (SCFAs)

定义

Metabolites—primarily butyrate, propionate, and acetate—produced when gut bacteria ferment dietary fiber; butyrate in particular exerts anti-inflammatory effects and influences gene expression through inhibition of histone deacetylase enzymes.

为什么这很重要

SCFAs are the mechanism by which high-fiber plant diets may slow immune aging and support metabolic stability in long-lived populations.

素食主义真的能延年益寿吗?这是一个谎言吗?

Sialic Acids

定义

Sialic acids are a family of nine-carbon monosaccharides that cap the outermost ends of cell-surface glycan chains; their strong negative charge and exposed position make them key mediators of immune self-recognition, pathogen binding, and endothelial stability.

为什么这很重要

The specific type of sialic acid on a cell determines whether the immune system treats that cell as self or foreign, which is at the core of the xenosialitis hypothesis.

你的免疫系统在与你的牛排开战吗?

Siglecs (Sialic Acid-Binding Lectins)

定义

Siglecs are a family of immune-cell receptors that bind sialic acids to distinguish self from non-self, regulating inflammatory signaling; when Neu5Gc replaces Neu5Ac on human endothelial cells, Siglec-mediated tolerance may be disrupted, contributing to the autoimmune-like response seen in xenosialitis.

为什么这很重要

These receptors are the molecular checkpoint that determines whether the immune system attacks or tolerates a sialic-acid-decorated surface.

你的免疫系统在与你的牛排开战吗?

Silent Heart Disease

定义

Coronary artery disease that produces no chest pain, breathlessness, or other classic symptoms, leaving it undetected until imaging or a cardiac event reveals its presence; highly fit individuals are especially prone to missing it because their cardiovascular reserve masks functional impairment.

为什么这很重要

Silent heart disease is the reason a symptom-free, athletic person can still be at imminent risk of a heart attack.

阅读:Peter Megdal 在 The Lynchpin 播客上的访谈

无症状性心肌缺血

定义

Silent ischemia is when the heart muscle is starved of oxygen but the person feels nothing at all.

为什么这很重要

Highly trained athletes are particularly prone to it. Years of hard exercise raise pain tolerance, build backup blood vessels, and teach people to ignore discomfort. The result is severe disease that produces no warning until something serious happens.

体质好如何掩盖心脏病发作

无症状心肌缺血

定义

Silent myocardial ischemia is reduced blood flow to the heart during exertion that produces no chest pain or recognizable symptoms; in master athletes, elevated pain thresholds from years of training can mask this warning sign entirely.

为什么这很重要

An athlete can be in the middle of a cardiac event and feel nothing unusual — understanding SMI explains why 'no pain' does not mean 'no problem.'

体质好如何掩盖心脏病发作

Sinoatrial Node

定义

The sinoatrial node is a small cluster of specialized cells in the right atrium that generates the electrical impulse triggering each heartbeat; it acts as the heart's natural pacemaker, and its intrinsic firing rate declines with age independently of fitness level.

为什么这很重要

Age-related slowing of this node sets the hard ceiling on maximum heart rate that no amount of training can overcome.

体质好如何掩盖心脏病发作

siRNA (Small Interfering RNA)

定义

A short, synthetic RNA molecule that binds to a specific messenger RNA target inside a cell and triggers its destruction before it can be translated into protein; inclisiran uses siRNA to block the liver from producing PCSK9, thereby reducing the removal of LDL receptors and lowering circulating ApoB-containing particles.

为什么这很重要

Understanding siRNA explains why inclisiran works with just two injections a year rather than a daily pill—the silencing effect persists long after the molecule itself is gone.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

Sit-Bone (Ischial Tuberosity) Pressure

定义

The compressive load placed on the bony prominences of the pelvis where they contact the bicycle saddle; during a prolonged, high-power effort the sustained pressure, amplified by increased effective body weight in banked turns, can cause significant musculoskeletal pain and force the athlete to briefly unweight.

为什么这很重要

Pain management strategies affect pacing decisions and, consequently, cardiovascular effort distribution throughout an event.

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

Sitosterolemia (Phytosterolaemia)

定义

谷甾醇血症是一种罕见的常染色体隐性遗传病,由 ABCG5 或 ABCG8 基因的双等位基因突变引起,导致肠道对植物甾醇和胆固醇的过度吸收以及胆汁排泄减少,临床表现为低密度脂蛋白胆固醇(LDL-C)显著升高和早发性黄色瘤,其表现极易与纯合子家族性高胆固醇血症(HoFH)相混淆,但对饮食调整和依折麦布反应良好。.

为什么这很重要

Distinguishing sitosterolemia from HoFH is critical because the two conditions look nearly identical but require very different treatments.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

Skinsuit

定义

A one-piece, form-fitting garment worn by competitive cyclists to minimize aerodynamic drag; the fabric, seams, and fit are engineered to reduce air resistance at high speeds.

为什么这很重要

Reducing drag lowers the cardiovascular workload needed to sustain a given speed, making equipment choices directly relevant to exercise physiology.

阅读:Peter Megdal 接受《Dedham Times》采访

SLCO1B1

定义

SLCO1B1是编码肝脏转运蛋白OATP1B1的基因,该转运蛋白负责将亲水性他汀类药物(在较小程度上也包括亲脂性药物)转运至肝细胞中;该基因的常见变异会降低转运蛋白的活性,从而升高他汀类药物的血药浓度并增加肌肉毒性的风险。.

为什么这很重要

A simple genetic test for SLCO1B1 variants can identify patients at higher risk of statin muscle side effects before symptoms begin.

我应该服用降胆固醇药吗?当然应该。.

Sleep Efficiency

定义

The percentage of total time spent in bed that is actually spent asleep; a value below roughly 85% is generally considered poor and is used as both a diagnostic marker and a treatment target in CBT-I.

为什么这很重要

It declines continuously with age even when other sleep parameters plateau, and improving it is a key goal of behavioral sleep treatment.

阅读:睡眠与您的心脏

Sleep Regularity Index (SRI)

定义

An accelerometry-derived measure of how consistently a person sleeps and wakes at the same times from day to day, ranging from 0 (fully irregular) to 100 (perfectly regular); in the UK Biobank, the most irregular sleepers had an all-cause mortality hazard ratio of 1.53 compared with average regularity.

为什么这很重要

Erratic sleep timing predicts higher death rates independently of total sleep duration, suggesting that when you sleep may matter as much as how long.

阅读:睡眠与您的心脏

Slow-Wave Sleep (SWS)

定义

The deepest stage of non-REM sleep, characterized by high-amplitude, low-frequency brain waves; it is the stage most important for physical restoration and begins declining in quantity during the twenties and thirties.

为什么这很重要

Understanding that SWS loss is a normal part of aging helps distinguish inevitable change from treatable sleep disorders.

阅读:睡眠与您的心脏

小而密低密度脂蛋白

定义

小而密低密度脂蛋白颗粒是指体积较小、携带胆固醇较常规低密度脂蛋白更少的低密度脂蛋白颗粒。.

为什么这很重要

They are more common in people with insulin resistance and high triglycerides. Because each one holds less cholesterol, you need many more of them to reach the same LDL number — so a normal result can be hiding a very high particle count.

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

Smith–Lemli–Opitz Syndrome

定义

史密斯-莱姆利-奥皮茨综合征是一种由于缺乏 DHCR7 酶而引起的遗传代谢性疾病,该酶负责完成胆固醇合成的 Kandutsch-Russell 分支,导致前体 7-脱氢胆固醇的毒性积聚和胆固醇产量的严重下降。它表现为多种先天性畸形和智力障碍。

为什么这很重要

This syndrome illustrates how critically the body depends on intact cholesterol biosynthesis and provides a clinical window into the Kandutsch–Russell pathway.

百万美元分子:为什么你的身体为胆固醇付出巨资

Sodium Loading (Pre-Exercise)

定义

The deliberate intake of sodium before prolonged exercise to help retain fluid in the bloodstream, support plasma volume, and sustain muscle contractility, particularly important for athletes who lose large amounts of sodium through sweat.

为什么这很重要

Maintaining sodium and fluid balance directly affects blood pressure regulation and cardiac output during intense endurance exercise.

阅读:自行车手彼得·梅格达尔 (Peter Megdal) 寻求并克服艰难障碍

软斑块

定义

非钙化、富含脂质的动脉粥样硬化斑块,在标准钙化积分扫描中不显示高密度(或不显得发亮),但可通过CT血管造影检测到;与完全钙化的斑块相比,它被认为具有更高的破裂风险。.

为什么这很重要

This distinction explains why a calcium score alone can miss dangerous plaque and why CT angiography provides more complete information.

阅读:《重新思考心脏健康:彼得·梅格达尔如何将一纸诊断转化为推动变革的使命》

SORT1 (Sortilin)

定义

SORT1 encodes sortilin, a liver-expressed protein involved in intracellular trafficking of VLDL particles and LDL receptor activity; a non-coding regulatory variant on chromosome 1p13 that alters SORT1 expression in hepatocytes was identified through GWAS and subsequent functional studies as a determinant of LDL cholesterol levels and myocardial infarction risk.

为什么这很重要

The SORT1 story is a key example of how a GWAS signal in non-coding DNA can be traced to a specific gene and a specific mechanism relevant to heart disease.

心血管保护的遗传架构

SPARCL Trial

定义

SPARCL (Stroke Prevention by Aggressive Reduction in Cholesterol Levels) was a randomized controlled trial demonstrating that high-intensity atorvastatin significantly reduces the risk of recurrent stroke or TIA in patients who have already had a cerebrovascular event.

为什么这很重要

It is one of the key trials establishing that lowering ApoB-containing particles protects the brain, not just the heart.

为什么载脂蛋白B(ApoB)很重要?

Spatial Resolution

定义

医学 imaging 中的空间分辨率是指扫描仪能够将其区分为独立物体的最小结构;冠状动脉 CT 血管成像的实际分辨率极限约为 0.4–0.5 毫米,这意味着比人发还要细(通常为 100–300 微米)的早期动脉粥样硬化病变,即使在生物学上已经存在,扫描也无法显示。.

为什么这很重要

Understanding resolution limits shows why a 'zero' result on a heart scan reflects the camera's sensitivity, not necessarily the absence of disease.

Read: Does metabolic health protect you from high cholesterol?

Spontaneous Coronary Artery Dissection (SCAD)

定义

冠状动脉内壁的非动脉粥样硬化性撕裂,形成一个压迫真腔的假腔,主要影响中青年女性;其血管造影表现可能较为隐匿,可能需要通过冠状动脉内影像学检查来确诊。.

为什么这很重要

SCAD is an important and under-recognized cause of heart attacks in women that can be missed on a standard angiogram.

隐匿性梗死:MINOCA机制、诊断与管理的深入研究验证

Sports Cardiologist

定义

A cardiologist with specialized training in the cardiovascular effects of exercise and athletic performance, able to distinguish normal athletic adaptations (athlete's heart) from pathological conditions and guide return-to-sport decisions.

为什么这很重要

The article recommends this specific subspecialty for athletes navigating AF and post-ablation decisions.

问答:房颤、耐力训练与消融术——运动员需要了解的知识

SREBP-2

定义

SREBP-2(甾醇调节元件结合蛋白2)是一种转录因子,能够感知肝脏内低水平的甾醇,并通过增加低密度脂蛋白(LDL)受体的产生和表面表达来作出反应,从而加速血液中LDL的清除。.

为什么这很重要

This feedback mechanism is central to why statins lower LDL: the drug depletes hepatic cholesterol, SREBP-2 turns up LDL receptors, and the liver pulls more LDL out of circulation.

我应该服用降胆固醇药吗?当然应该。.

SREBP-2 / SCAP / Insig Sensor

定义

SREBP-2, SCAP, and Insig form a cholesterol-sensing system in the endoplasmic reticulum: when ER cholesterol exceeds roughly 5 mol%, SCAP retains SREBP-2 in the ER, suppressing further cholesterol synthesis and LDL receptor expression.

为什么这很重要

This feedback loop explains why cells tightly regulate their own cholesterol production and why statin therapy upregulates LDL receptors to pull more cholesterol from the blood.

您的细胞会自行合成胆固醇——那为什么您的血液里到处都是它?

SREBP-2–SCAP–INSIG Axis

定义

The SREBP-2–SCAP–INSIG axis is the cell's master cholesterol-sensing circuit: when intracellular cholesterol falls, the protein SCAP escorts SREBP-2 to the Golgi for activation, switching on genes for cholesterol synthesis and LDL-receptor expression; when cholesterol is sufficient, INSIG retains the complex in the endoplasmic reticulum, shutting the pathway down.

为什么这很重要

It explains why cells can make their own cholesterol and why very low blood LDL-C does not necessarily starve tissues of what they need.

胆固醇:它有什么用?

ST Segment Depression

定义

An abnormal finding on an electrocardiogram (EKG) in which the ST segment—the portion of the tracing between the end of one heartbeat and the start of the next—drops below the baseline; a horizontal ST depression during exercise is a classic sign of cardiac ischemia, meaning the heart muscle is not receiving enough blood.

为什么这很重要

Recognizing this EKG pattern is key to understanding why Dr. Megdal's stress test raised concern even when his overall fitness appeared excellent.

Read: How I Reversed My Heart Disease

ST-Elevation Myocardial Infarction (STEMI)

定义

A STEMI is a specific, severe type of heart attack in which a coronary artery is completely blocked, producing a characteristic pattern on an electrocardiogram called ST-elevation. It is the category for which emergency reperfusion — thrombolysis or primary PCI — is most urgently needed and most clearly beneficial.

为什么这很重要

STEMI is the benchmark for measuring how much acute cardiac care has improved; contemporary in-hospital STEMI mortality of roughly 4–7% is compared against the roughly 20–30% mortality of the pre-CCU era.

心血管疾病史

Stable Coronary Artery Disease (Stable CAD)

定义

Stable CAD describes a chronic condition in which coronary artery blockages produce predictable symptoms such as exertional chest pain but are not acutely worsening or causing a heart attack; it is distinguished from acute coronary syndromes in which plaques are actively rupturing.

为什么这很重要

The distinction between stable and unstable disease is central to this article's argument that most patients with stable blockages do not need emergency intervention.

治疗生物学而非管道:心脏病学激进的新方法

Stable Disease (Stable Coronary Artery Disease)

定义

Stable coronary artery disease refers to a pattern of fixed or slowly progressing atherosclerotic narrowing that produces predictable, exertion-related symptoms rather than the abrupt plaque rupture seen in a heart attack. Current guidelines and major trials emphasize that stable disease can often be managed effectively with medications and lifestyle changes rather than immediate stenting or bypa…

为什么这很重要

This distinction is central to the article's message: many patients with stable disease are offered procedures when evidence supports trying lifestyle and medication first.

阅读:curingheartdisease.com 的 Peter Megdal 专访

Stable Isotope Analysis

定义

A laboratory technique that measures the ratios of stable isotopes (such as carbon-13/carbon-12 or nitrogen-15/nitrogen-14) preserved in bone or tissue; in archaeology and paleoanthropology it is used to reconstruct ancient diets, including estimating how much animal food early humans consumed.

为什么这很重要

This is one of the primary scientific tools cited to support evolutionary arguments about ancestral meat consumption.

阅读:蛋白质辩论

他汀类药物

定义

他汀类药物可减缓肝脏用于制造胆固醇的酶的活性。作为回应,肝脏会从血液中清除更多的胆固醇,这正是真正益处所在。.

为什么这很重要

Statins are the most studied cardiovascular medicines in existence, tested in hundreds of thousands of people. They lower LDL and ApoB, stabilize plaques, and reduce heart attacks and deaths.

我应该服用降胆固醇药吗?当然应该。.

他汀类药物相关性肌肉症状

定义

他汀类药物相关性肌肉症状是患者在服用他汀类药物时报告的一系列肌肉相关不适(包括疼痛、无力、痉挛和疲劳)的临床统称,其严重程度不一,从主要由反安慰剂效应引起的轻微不适到罕见的严重肌病。.

为什么这很重要

SAMS is the leading reason patients stop statins, so distinguishing its many causes is essential to keeping people on life-saving treatment.

我应该服用降胆固醇药吗?当然应该。.

StatinWISE

定义

StatinWISE 是一项 n 取 1 随机试验,其中个别患者在多个周期内在他汀类药物片剂和安慰剂片剂之间交替使用,从而可以对症状进行个体内比较;其结果证实,归因于他汀类药物的大部分肌肉症状并非由药理作用引起。.

为什么这很重要

The n-of-1 design of StatinWISE provides especially strong evidence about individual responses, going beyond average group comparisons to show what a specific type of patient actually experiences.

我应该服用降胆固醇药吗?当然应该。.

支架

定义

支架是一种小型金属网管,在狭窄的动脉内部膨胀以将其撑开。.

为什么这很重要

During a heart attack, stents save lives. For stable chest pain, large trials found they relieve symptoms but do not prevent future heart attacks better than medication alone. A stent fixes one spot; the disease lives in all your arteries.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

STOMP Trial

定义

一项针对健康且经常进行体育锻炼的参与者评估高剂量阿托伐他汀疗效的随机、安慰剂对照试验发现,在六个月的时间里,该药物增加了肌肉症状和肌酸激酶水平,但对肌肉力量或运动表现没有显著的降低作用。.

为什么这很重要

The most directly relevant trial evidence for athletes wondering whether statins measurably harm physical performance.

阅读:《运动员的胆固醇:如何在不影响竞技状态的情况下降低低密度脂蛋白(LDL)》(他汀类药物实用指南)

STRENGTH Trial

定义

A randomized trial testing 4 g/day of a mixed EPA/DHA formulation versus corn oil in high-risk cardiovascular patients; it found no reduction in major adverse cardiovascular events, suggesting that EPA-only and EPA+DHA formulations are not interchangeable.

为什么这很重要

STRENGTH's null result is a key reason cardiologists distinguish between EPA-only and mixed omega-3 products.

阅读:心脏病与鱼油

Stress CMR (Cardiac Magnetic Resonance)

定义

Stress cardiac magnetic resonance imaging is a non-invasive test that uses MRI to assess myocardial perfusion and wall motion during pharmacological or exercise stress, detecting ischemia without radiation. It is highlighted in the article as part of an advanced imaging framework for athletes in whom standard stress testing may be unreliable.

为什么这很重要

It offers a more sensitive way to detect hidden ischemia in athletes whose symptoms and standard ECG stress tests may appear falsely reassuring.

运动如何阻断疼痛:运动员心脏的致命秘密

中风

定义

当大脑某一部分的血液供应因血管阻塞或出血而中断时,就会发生中风。.

为什么这很重要

Signs come on suddenly: face drooping, arm weakness, slurred speech, sudden vision or balance problems. Call emergency services immediately — treatments that limit the damage only work within a short window.

Stroke Volume

定义

每搏输出量是指心脏每次搏动泵出的血量;在资深运动员中,长期训练能促进心室变得更大、顺应性更好,从而维持较高的每搏输出量,部分抵消了不可避免的与年龄相关的最大心率下降。.

为什么这很重要

Stroke volume is a key lever athletes can influence through training, making it central to understanding why fit people age better aerobically than sedentary peers.

体质好如何掩盖心脏病发作

Subendothelial Proteoglycan Matrix

定义

内皮下蛋白多糖基质是位于动脉壁内皮内衬下方的蛋白多糖结构网——包括多功能蛋白聚糖、小腱蛋白聚糖和硫酸乙酰肝素;穿过内皮的含ApoB的脂蛋白颗粒在此处被物理捕获,并在该处被氧化并启动动脉粥样硬化过程。.

为什么这很重要

This is the precise anatomical site where heart disease begins, which is why particle count matters more than particle size.

为什么你‘正常’的胆固醇其实是一个警告信号

内皮下滞留

定义

内皮下滞留是指已穿过内皮屏障的含ApoB脂蛋白颗粒通过静电作用与动脉内膜中的蛋白聚糖结合,从而无法扩散回血液中的过程; 在“对滞留的反应”框架下,该过程被视为动脉粥样硬化中不可或缺的第一步。.

为什么这很重要

It is the physical event that converts circulating particles into a permanent, disease-starting deposit—the reason lowering particle number early is so protective.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

Subendothelial Space

定义

The subendothelial space is the narrow gap just beneath the artery's inner lining, between that single layer of cells and the muscle beneath.

为什么这很重要

This is exactly where ApoB particles get trapped and where every plaque begins. Everything else in atherosclerosis follows from what accumulates in this thin layer.

Read: Which Came First – the Lipid or the Inflammation? Apolipoprotein B and the Chicken-and-Egg Problem of Atherogenesis

Sudden Cardiac Arrest (SCA)

定义

心脏骤停是指有效心脏泵血功能突然停止,与心脏性猝死不同,它经抢救成功恢复了循环;这两种情况具有相同的潜在事件,区别仅在于复苏是否成功。.

为什么这很重要

Understanding the difference between arrest and death clarifies why rapid bystander response can turn a fatal event into a survivable one.

如何避免英年早逝

心脏性猝死

定义

心脏性猝死是指心脏突然停跳,患者在数分钟内死亡,通常事先没有任何预兆。.

为什么这很重要

In older adults it usually follows a heart attack. In young athletes the causes are different — inherited heart muscle or electrical conditions. Fast CPR and a defibrillator are what change the outcome.

如何避免英年早逝

糖类研究基金会

定义

The Sugar Research Foundation was a mid-20th century industry group funded by sugar manufacturers that commissioned and published research — including the 1960s initiative known as Project 226 — specifically designed to shift scientific and public attention away from dietary sugar and toward dietary fat as the primary dietary cause of cardiovascular disease.

为什么这很重要

Understanding the Sugar Research Foundation's role shows how industry funding can distort the scientific consensus on diet and heart health for decades.

胆固醇大谎言:揭露饮食行业的有组织否认

SUMMIT Trial

定义

SUMMIT was a randomized placebo-controlled trial testing tirzepatide in patients with HFpEF and obesity that demonstrated a 38% reduction in the composite of cardiovascular death and worsening heart failure events, along with a 34.9% drop in hs-CRP and meaningful improvement in 6-minute walk distance.

为什么这很重要

SUMMIT is cited as the key evidence that these drugs offer 'new hope' for stiff-heart disease, so knowing what the trial measured helps readers assess that claim.

阅读:Ozempic 和 Mounjaro:在体重减轻之前先保护您的心脏

瓣上主动脉瓣狭窄(SVAS)

定义

主动脉瓣上狭窄是主动脉瓣上方主动脉的狭窄,在纯合子家族性高胆固醇血症(HoFH)中,这是由富含胆固醇的黄色瘤样组织大量浸润主动脉壁和瓣膜小叶引起的,从而对心脏的血液流出造成结构性梗阻。与年龄相关的主动脉瓣钙化疾病不同,HoFH 中的主动脉瓣上狭窄是极端脂质积聚的直接后果,而不是退化…

为什么这很重要

SVAS can produce sudden, life-threatening obstruction even in young children with HoFH, making it a critical complication to monitor.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

SURMOUNT-1

定义

一项评估替尔泊肽(tirzepatide,一种GIP/GLP-1双重受体激动剂)用于无糖尿病的肥胖或超重成人减重的随机安慰剂对照试验。参与者在72周时根据剂量的不同,实现了约15%至21%的平均体重减轻。

为什么这很重要

It established tirzepatide as producing greater average weight loss than any previous approved obesity medication, with implications for cardiovascular risk-factor improvement.

Read: Obesity and heart disease

SURPASS-CVOT

定义

SURPASS-CVOT was a randomized active-comparator trial comparing tirzepatide with the GLP-1 receptor agonist dulaglutide in patients with type 2 diabetes and established cardiovascular disease; tirzepatide was noninferior for 3-point MACE (HR 0.92) and reduced all-cause mortality by 16%, though it did not achieve statistical superiority for MACE.

为什么这很重要

This trial is the primary evidence base for tirzepatide's cardiovascular profile and helps readers understand what we know — and don't yet know — about Mounjaro's heart benefits.

阅读:Ozempic 和 Mounjaro:在体重减轻之前先保护您的心脏

Surrogate Endpoint

定义

替代终点是一个可测量的生物标志物——如低密度脂蛋白胆固醇、颈动脉内膜中层厚度(CIMT)或冠状动脉钙化——在试验中用作临床结果(如心脏病发作)的替代指标;替代指标的有利变化支持了获益的合理性,但本身并不能证明某种治疗可以预防心脏病发作或死亡。.

为什么这很重要

Much of the evidence for hormone therapy's cardiovascular effects comes from surrogate endpoints, which is why the article stresses that hormones are not proven heart medicine.

阅读:新型雌激素贴片能预防心脏病吗?真相解析

替代标志物

定义

A surrogate marker is a stand-in measurement used because the thing you really care about takes too long to observe.

为什么这很重要

Cholesterol is a good surrogate — lowering it genuinely reduces heart attacks. Others have failed badly: drugs that improved the number on the report while patients did no better, or worse. A moved number is a promise, not a result.

牛排中的隐形毒素:肠道细菌如何引发心脏病

Survival Bias (Cholesterol Paradox)

定义

An observational artifact in very elderly cohorts where higher LDL-C appears associated with longer survival, most likely because individuals who were most susceptible to lipid-driven cardiovascular disease have already died, leaving behind a selected group in whom other factors dominate longevity.

为什么这很重要

It cautions against interpreting apparent benefits of high cholesterol in the oldest old as evidence that LDL is harmless at any age.

阅读:低密度脂蛋白“坏”胆固醇:载脂蛋白 B、成像分辨率以及 60 岁时“正常”冠状动脉的幻象

幸存者偏差

定义

老年人悖论中的幸存者偏差是指一种统计假象:那些活到老年且低密度脂蛋白(LDL)水平依然很高的人,可能代表了一个基因极其强健的亚群,他们本身就对LDL驱动的动脉粥样硬化免疫。由于易感人群在年轻时已经离世,这使得高LDL在该年龄段显得似乎是安全的。.

为什么这很重要

Recognizing this bias is essential to avoid misreading observational data on cholesterol and longevity in older adults.

阅读:胆固醇大谎言(第二部分)

Survivorship Bias

定义

流行病学中的幸存者偏差发生于研究人群因观察开始前已经死亡或经历过事件的人群而被塑造时;在心血管老化研究中,这有助于解释为什么胆固醇依然很高的八旬老人看起来并没有受到不良影响——那些深受高 cholesterol 危害的人往往在更年轻时就已经死亡,不再样本之中了。.

为什么这很重要

Survivorship bias is a key reason why risk-factor relationships look weaker in very old populations, and ignoring it leads to wrong conclusions.

Read: Heart disease accelerates as you age

Sweat Sodium Loss

定义

The concentration and total amount of sodium excreted in sweat during exercise; individuals with high sweat-sodium rates can lose several grams per hour, increasing the risk of hyponatremia, muscle cramping, and impaired cardiac contractility if fluid and electrolytes are not replaced.

为什么这很重要

Electrolyte imbalance during prolonged exertion can provoke arrhythmias and cardiovascular complications.

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

SWEDEHEART Registry

定义

一个大型瑞典国家心血管疾病住院患者登记数据库,用于观察性分析,以评估真实世界的治疗模式和预后,包括他汀类药物和肾素-血管紧张素系统阻滞剂与MINOCA患者长期预后改善之间的关联。.

为什么这很重要

The SWEDEHEART analyses provide the strongest available evidence on which medications may benefit MINOCA patients in the absence of large randomized trials.

隐匿性梗死:MINOCA机制、诊断与管理的深入研究验证

SYNTAX Trial

定义

The Synergy Between PCI with TAXUS and Cardiac Surgery trial randomized 1,800 patients with complex three-vessel or left main coronary artery disease to PCI or bypass surgery, finding at 10 years that CABG conferred a survival advantage in three-vessel disease but not in left main disease.

为什么这很重要

It established which patients gain the most from bypass surgery versus stenting when multiple arteries are blocked.

治疗生物学而非管道:心脏病学激进的新方法

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T

T-Score

定义

A measure used in bone density reporting that compares an individual's bone mineral density to the average peak bone density of a healthy young adult, expressed in standard deviations; a T-score at or below −2.5 defines osteoporosis by World Health Organization criteria.

为什么这很重要

The T-score is the number that determines whether a patient qualifies for osteoporosis treatment, so knowing what it measures — and what it doesn't — is essential for interpreting any bone-health discussion.

阅读:骨质疏松症与心脏病

Takotsubo Syndrome

定义

一种由应激触发的暂时性心肌病,其特征为急性左心室球形变(通常为心尖部),且不存在阻塞性冠状动脉疾病;该病可酷似急性心肌梗死,在诊断 MINOCA(伴非阻塞性冠状动脉的心肌梗死)时必须予以排除。.

为什么这很重要

Takotsubo is one of the non-ischemic mimics that must be ruled out before the MINOCA label can be correctly applied.

隐匿性梗死:MINOCA机制、诊断与管理的深入研究验证

Tanaka Equation

定义

The Tanaka equation estimates maximum heart rate as 208 minus 0.7 times a person's age; it predicts that maximum heart rate falls by roughly one beat per minute every year regardless of training status.

为什么这很重要

This formula gives athletes and clinicians a concrete benchmark for the age-related speed limit on the heart.

体质好如何掩盖心脏病发作

TANGO1 (MIA3)

定义

A protein encoded by the MIA3 gene that resides in the endoplasmic reticulum membrane and acts as a specialized export scaffold, organizing ring-like structures at ER exit sites to facilitate secretion of large cargoes—most importantly procollagen—that cannot fit into standard COPII vesicles.

为什么这很重要

Without adequate TANGO1 activity, vascular smooth muscle cells cannot build the thick collagen cap that keeps plaque stable, making rupture and heart attack more likely.

阅读:基因彩票:为什么你不能指望自己“刀枪不入”

Tapering

定义

A planned reduction in training volume and intensity in the days or weeks before a competition, designed to allow the body to recover fully and arrive at peak performance capacity on race day.

为什么这很重要

Tapering is a standard preparation strategy for endurance events; disrupting it—as COVID did for Megdal—directly affects cardiovascular and muscular readiness.

阅读:自行车手彼得·梅格达尔 (Peter Megdal) 寻求并克服艰难障碍

Taurine

定义

A sulfur-containing amino acid abundant in animal tissues that plays roles in bile acid conjugation, antioxidant defense, and cardiovascular function; humans have a reduced capacity to synthesize it endogenously, which Cordain cites as evidence of long evolutionary dependence on dietary animal protein.

为什么这很重要

Understanding which nutrients are conditionally essential from animal foods helps evaluate whether fully plant-based diets require supplementation for heart and metabolic health.

阅读:通过饮食治疗心脏病不仅是一种现代痴迷——它更是一种有数百万年进化历史支撑、并借助现代科学最先进手段的实践。

Telomere Length (TL)

定义

The length of protective repetitive DNA sequences capping chromosomes; shorter telomeres are a marker of cellular aging, and individuals born with shorter telomeres have been shown to carry significantly higher risks of midlife hypercholesterolemia and arterial damage.

为什么这很重要

It suggests that biological aging and cardiovascular risk are partly set at birth, not just shaped by adult lifestyle.

阅读:婴儿需要服用他汀类药物吗?

Teriparatide

定义

A synthetic fragment of parathyroid hormone given as a daily injection that stimulates osteoblasts to form new bone rather than merely slowing bone removal; it is classified as an anabolic osteoporosis agent.

为什么这很重要

In patients at very high fracture risk, teriparatide has shown superior fracture reduction compared with a bisphosphonate, making the choice between the two clinically significant.

阅读:牙龈疾病与心脏病

中国健康调查报告

定义

A 2005 book by T. Colin Campbell summarizing decades of epidemiological research, including the China-Cornell-Oxford Project, that links diets high in animal protein and fat to higher rates of chronic disease including cardiovascular disease; it is widely cited in plant-based nutrition literature.

为什么这很重要

Along with Esselstyn's work, this book was a key source that led Dr. Megdal to adopt a whole-food plant-based diet as part of his recovery.

Read: How I Reversed My Heart Disease

Thin-Cap Fibroatheroma

定义

薄帽纤维粥样硬化斑块是一种晚期动脉粥样硬化病变,其中炎症性蛋白水解导致坏死核心上方的纤维帽厚度减小至65微米以下,使其成为最常与斑块破裂和急性冠状动脉血栓形成相关的斑块表型。.

为什么这很重要

It represents the 'vulnerable plaque' stage most directly linked to heart attacks, connecting decades of lipid accumulation to the acute event.

先天性疾病

胸主动脉瘤

定义

胸主动脉瘤是胸腔内主动脉的扩张,主要由中膜的内在结构衰竭引起,通常是由影响原纤维蛋白-1或TGF-β信号传导的基因突变驱动的,而不是由动脉粥样硬化引起的。.

为什么这很重要

TAA can cause catastrophic dissection at smaller diameters and younger ages than AAA, making genetic awareness and early screening critical for active individuals.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

Three-Point MACE (3-P MACE)

定义

A composite endpoint counting three types of serious cardiovascular events—cardiovascular death, non-fatal myocardial infarction, and non-fatal ischemic stroke—as a single outcome in clinical trials. It is the most common primary endpoint in cardiovascular outcomes trials because it captures the major ways atherosclerosis kills or disables.

为什么这很重要

Knowing what 'MACE' means tells you exactly what was being prevented in the headline result.

阅读:预防你的第一次心脏病发作

Threshold (Lactate Threshold)

定义

The exercise intensity at which lactate begins to accumulate in the blood faster than it can be cleared, marking the upper boundary of sustainable aerobic effort; riding at or near this intensity for one hour is the physiological challenge of the hour record.

为什么这很重要

Understanding lactate threshold explains why pushing even slightly too hard causes rapid fatigue and why precise pacing is critical in endurance events.

阅读:永无止境的那一小时

Threshold Model

定义

The threshold model of atherosclerosis proposes that plaque formation requires a sufficient concentration of atherogenic lipoproteins sustained over time; populations such as the Tsimane, who maintain very low lifetime LDL-C levels, demonstrate that even high systemic inflammation does not initiate significant atherosclerosis when the lipoprotein burden stays below this critical threshold.

为什么这很重要

The threshold model helps explain why starting lipid-lowering early in life may be far more protective than starting treatment after decades of elevated exposure.

胆固醇大谎言:揭露饮食行业的有组织否认

溶栓疗法

定义

Thrombolysis is the use of clot-dissolving drugs — sometimes called 'clot busters' — to break up the coronary artery blockage causing a heart attack, restoring blood flow to the heart muscle. It was one of the key rescue therapies that reduced heart-attack mortality in the latter decades of the twentieth century.

为什么这很重要

Thrombolysis was the first drug-based way to reopen a blocked artery during a heart attack, bridging the gap before emergency angioplasty became widely available.

心血管疾病史

Thromboxane A₂ (TxA₂)

定义

Thromboxane A₂ is a short-lived chemical released by activated platelets that amplifies platelet aggregation and causes blood vessels to constrict; aspirin's primary antithrombotic benefit comes from permanently blocking its production in platelets.

为什么这很重要

TxA₂ is the key driver of the platelet clumping that aspirin is designed to prevent, making it central to understanding the drug's mechanism.

每日阿司匹林究竟是在夺走你的生命还是在拯救你?最新科学研究怎么说。.

Time Trial (Cycling)

定义

A solo race against the clock in which riders start individually at set intervals and cover a fixed distance—here 10 miles—with the fastest elapsed time determining the winner; drafting off other riders is not permitted.

为什么这很重要

The time trial is the event in which Megdal finished 2nd, making it central to the article's cardiovascular-performance story.

阅读:Peter Megdal 在全国锦标赛中获得第二名

Time-Weighted Average ApoB

定义

时间加权平均载脂蛋白B是累积载脂蛋白B暴露量除以观察时间得到的,它提供了一种对持续平均致动脉粥样硬化颗粒压力的测量方法,并对个人的随访时间进行了标准化;它比单次载脂蛋白B测定更有信息量,但不如完整的曲线下面积指标全面。.

为什么这很重要

It offers a practical way to compare particle burden across people followed for different lengths of time.

载脂蛋白B:更长、更高、更糟

定时假设

定义

时机假说认为,更年期激素疗法在更年期刚开始、血管仍然健康且对雌激素有反应时尽早使用是最安全的,最有可能对心脏有益,而不是在多年后动脉粥样硬化可能已经形成时才使用。.

为什么这很重要

Understanding this concept explains why the same hormone can look harmful in one study and beneficial in another depending on when women started taking it.

阅读:新型雌激素贴片能预防心脏病吗?真相解析

TLR4 (Toll-Like Receptor 4)

定义

A pattern-recognition receptor of the innate immune system that normally detects bacterial toxins but can also be activated by saturated fatty acids, triggering NF-κB signaling and cytokine production such as IL-6 and TNF-α.

为什么这很重要

It explains the molecular reason why high-fat meals promote inflammation and can destabilize existing plaques.

阅读:动脉粥样硬化消退的病理生理决定因素:超低脂全食物植物性营养方案的关键性

TMA Lyase (CutC/D)

定义

TMA lyase is a microbial glycyl radical enzyme encoded by the cutC and cutD genes that cleaves the carbon–nitrogen bond in dietary choline, releasing trimethylamine (TMA) gas as a byproduct; it is the rate-limiting enzymatic step in the gut-to-liver TMAO pathway and a primary pharmacological target for non-lethal microbiome inhibitors.

为什么这很重要

Blocking this single enzyme could reduce TMAO production without killing beneficial gut bacteria — a promising drug target.

牛排中的隐形毒素:肠道细菌如何引发心脏病

氧化三甲胺

定义

TMAO是肠道细菌利用红肉、鸡蛋和某些鱼类中的营养物质产生的一种化合物。血液中较高的TMAO浓度与心脏病有关。.

为什么这很重要

Whether TMAO actually causes the damage or is simply a signal of a diet and gut pattern that does remains genuinely unsettled. Fish raises it more than steak does, which complicates the simple story considerably.

红肉正在通过你的肠道杀死你吗?关于TMAO的大骗局

TNF-α (Tumor Necrosis Factor-Alpha)

定义

A pro-inflammatory cytokine produced downstream of TLR4 activation that contributes to systemic and vascular inflammation; along with IL-6 it is implicated in weakening the fibrous cap of atherosclerotic plaques.

为什么这很重要

It is one of the specific inflammatory signals that links dietary fat intake to plaque rupture risk.

阅读:动脉粥样硬化消退的病理生理决定因素:超低脂全食物植物性营养方案的关键性

Tocilizumab

定义

A monoclonal antibody that blocks the interleukin-6 receptor (IL-6R), used clinically to treat rheumatoid arthritis and cytokine storm syndromes; its cardiovascular effects closely mirror those of the naturally protective Asp358Ala genetic variant, providing pharmacological validation of IL-6R blockade as an anti-atherosclerotic strategy.

为什么这很重要

Comparing drug effects to genetic variants helps researchers confirm that lowering IL-6 signaling genuinely reduces heart-disease risk, not just a marker of it.

阅读:基因彩票:为什么你不能指望自己“刀枪不入”

TOFI Phenotype

定义

TOFI (Thin Outside, Fat Inside) describes individuals with a normal BMI who nonetheless carry elevated visceral and intrahepatic fat, resulting in insulin resistance, dyslipidemia, and increased cardiometabolic risk that standard weight-based screening fails to detect.

为什么这很重要

The TOFI phenotype is a key reason doctors increasingly look beyond BMI when assessing a patient's true cardiovascular risk.

阅读:为什么腹部脂肪比你想象的更危险

Total Atheroma Volume (TAV)

定义

总粥样斑块体积是血管内超声(IVUS)衍生的一项绝对测量值,用于评估被成像冠状动脉节段内斑块的三维总体积,以立方毫米为单位报告。与PAV不同,TAV未对血管大小进行标准化,因此它能够反映随时间推移被清除或增加的病变的原始绝对量。.

为什么这很重要

TAV gives a concrete sense of how many cubic millimeters of plaque were gained or lost, making trial results easier to interpret.

阅读:运动不会消除动脉斑块——它会使其石化!

Total Plaque Volume (TPV)

定义

通过人工智能辅助的CT血管造影获得的冠状动脉所有粥样硬化斑块的综合三维体积的定量测量值;高TPV是未来发生心肌梗死的最强独立影像学预测指标,在SCOT-HEART研究中使风险增加约七倍。.

为什么这很重要

Measuring total plaque volume gives a more complete picture of cardiovascular burden than any single plaque characteristic alone.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

Total Shoulder Replacement (Total Shoulder Arthroplasty)

定义

A surgical procedure in which the damaged ball-and-socket structures of the shoulder joint are replaced with prosthetic components; recovery involves an extended period of limited upper-body loading that can disrupt an athlete's overall training continuity.

为什么这很重要

Major joint surgery affects an athlete's ability to maintain cardiovascular conditioning and is relevant context for understanding training interruptions in older active adults.

Peter Megdal 于 2021 年 10 月 14 日创造了全国小时计时赛纪录

Trabeculae

定义

The slender interconnecting struts that form the internal lattice of cancellous (spongy) bone; in osteoporosis these struts thin, become perforated, and eventually disappear, reducing the bone's structural integrity even when its mineral composition remains normal.

为什么这很重要

Understanding trabeculae explains why bone density on a scan can look only modestly reduced while fracture risk is already high — the architectural damage is what matters.

阅读:骨质疏松症与心脏病

Track Coach (Cycling)

定义

A specialist coach with expertise in velodrome racing, including optimal pacing strategy, line selection, aerodynamic positioning, and the physiological demands of sustained maximal efforts such as the hour record.

为什么这很重要

Structured coaching is central to evidence-based exercise prescription, helping athletes safely maximise cardiovascular output without exceeding recovery capacity.

Peter Megdal 于 2021 年 10 月 14 日创造了全国小时计时赛纪录

超然冥想

定义

Transcendental Meditation (TM) is a specific meditation technique involving the silent repetition of a personally assigned mantra for around 20 minutes twice daily. The article notes that TM is the technique behind the most-cited trial claiming a large reduction in cardiovascular events — a result that weakened substantially under independent reanalysis.

为什么这很重要

TM has generated some of the boldest cardiovascular claims in the meditation literature; knowing it is a distinct, trademarked technique helps you assess those claims critically.

阅读:压力会致命吗?冥想能救命吗?

Transdermal 17β-Estradiol

定义

Transdermal 17β-estradiol is the bioidentical form of the body's primary estrogen delivered through a skin patch directly into the bloodstream, bypassing the liver and its clot-promoting effects while still reaching vascular estrogen receptors.

为什么这很重要

It is the specific hormone formulation at the center of this article's argument for a safer cardiovascular profile.

阅读:新型雌激素贴片能预防心脏病吗?真相解析

TRANSFORM Trial

定义

An ongoing large randomized controlled trial designed to test whether guiding clinical decisions with AI-assisted CCTA plaque staging actually reduces heart attacks and cardiovascular events compared with standard care.

为什么这很重要

It is the key unanswered study the article says must report before we know whether scanning people translates into saved lives.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

Transient Bacteremia

定义

A brief episode in which bacteria enter the bloodstream, typically during dental procedures, chewing, or brushing; in the context of periodontitis, bacteria from infected gum pockets can enter the circulation and potentially interact with the vascular wall or heart valves.

为什么这很重要

It is the leading proposed mechanism by which gum disease might affect the heart, making it central to evaluating whether the association is causal.

阅读:牙龈疾病与心脏病

Transintestinal Cholesterol Excretion (TICE)

定义

肠道直接胆固醇排泄是人体独立于胆汁分泌,直接通过肠壁将胆固醇排入肠腔的途径。它与更为人熟知的胆汁途径共同导致粪便中总中性甾醇的流失。

为什么这很重要

TICE represents an additional target for cholesterol-lowering strategies that bypass the liver, and its existence means fecal sterol loss cannot be attributed entirely to bile.

百万美元分子:为什么你的身体为胆固醇付出巨资

跨硫酸化途径

定义

同型半胱氨酸清除的第二个代谢途径,在维生素B-6(磷酸吡哆醛)作为辅因子的胱硫醚β-合成酶催化下,不可逆地将其转化为胱硫醚;与再甲基化不同,该途径永久性地处理了同型半胱氨酸。.

为什么这很重要

It explains why B-6 adds little to lowering a fasting homocysteine level unless a person is actually deficient.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

TRAVERSE Trial

定义

The TRAVERSE trial was a large randomized controlled trial of approximately 5,200 middle-aged to older men at elevated cardiovascular risk that compared testosterone replacement therapy to placebo, finding no significant difference in rates of heart attack or stroke between groups; its results led the FDA to remove the boxed cardiovascular warning from testosterone products in 2025.

为什么这很重要

This trial is the primary reason the long-standing fear that testosterone therapy causes heart attacks has been largely dispelled.

阅读:睾酮替代疗法与您的心脏:为什么您的总分具有误导性

Treat-to-Target (Coronary Plaque)

定义

A management strategy in which serial quantitative plaque measurements guide therapy intensity, with the explicit goal of achieving a measurable reduction in total plaque volume rather than simply reaching a laboratory value such as LDL-C.

为什么这很重要

The article presents this as the clinical payoff of AI-QCT: patients can watch their 'grease' shrink in real numbers over time.

阅读:心脏病管理的未来

Triglyceride-Rich Lipoproteins (TRL) Remnants

定义

Triglyceride-rich lipoprotein remnants are the cholesterol-enriched particles left over after lipoprotein lipase partially digests VLDL and chylomicrons; human genetic evidence now supports a causal role for these remnants in atherosclerosis, independent of LDL, and genes such as APOC3, ANGPTL3, and LPL regulate their clearance.

为什么这很重要

Remnant particles can enter and damage artery walls much like LDL, making their clearance an important target for cardiovascular protection.

心血管保护的遗传架构

Triglyceride-Rich Lipoproteins (TRLs)

定义

富含甘 and 油三酯的脂蛋白是一类含载脂蛋白 B(ApoB)的颗粒——主要是极低密度脂蛋白(VLDL)和中密度脂蛋白(IDL),它们携带大量甘油三酯,在肝脏超负荷时(如胰岛素抵抗或肥胖)会过量生成;其残余颗粒具有直接致动脉粥样硬化作用,能够进入动脉内膜,从而导致常规低密度脂蛋白胆固醇(LDL-C)测量所遗漏的风险。.

为什么这很重要

They explain why people with normal LDL-C but high triglycerides or metabolic syndrome can still have a dangerously high ApoB particle count.

年轻时(20多岁和30多岁)胆固醇高,即使日后降下来了,以后也会引发心脏病发作吗?

Triglyceride-to-HDL-C Ratio

定义

The triglyceride-to-HDL-C ratio is a simple blood-test calculation used as a surrogate marker of insulin sensitivity and atherogenic dyslipidemia; a low ratio is interpreted by Lipid Energy Model proponents as evidence of good metabolic health that may modify the cardiovascular risk of elevated LDL-C.

为什么这很重要

Proponents of the metabolic-context view cite this ratio to argue that not all high-LDL states carry the same risk.

阅读:胆固醇大谎言(第二部分)

甘油三酯

定义

Triglycerides are the main form of fat in your blood and in your body's storage.

为什么这很重要

High levels usually signal that something metabolic is off — too much alcohol, insulin resistance, or excess calories. They also come packaged in particles whose leftovers can lodge in artery walls, so they carry risk of their own.

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

Trimethylaminuria (Fish Odor Syndrome)

定义

Trimethylaminuria is a metabolic disorder caused by reduced FMO3 enzyme activity — often due to genetic polymorphisms — in which TMA cannot be efficiently oxidized to odorless TMAO in the liver, causing TMA to accumulate and be excreted through sweat, breath, and urine, producing a characteristic fishy odor.

为什么这很重要

It illustrates how individual genetic differences in liver metabolism can alter the TMAO pathway and affect health outcomes.

牛排中的隐形毒素:肠道细菌如何引发心脏病

Trophic Level

定义

A position in a food chain defined by the organism's primary energy source; animals at high trophic levels obtain most of their energy from other animals, and stable isotope data suggesting Neanderthals and early Homo sapiens had high trophic-level diets implies heavy reliance on animal foods.

为什么这很重要

Trophic-level data from fossils is central to the evolutionary case for higher protein intake.

阅读:蛋白质辩论

肌钙蛋白

定义

肌钙蛋白是一种在心肌受损时渗入血液的蛋白质。通过对其进行血液检测即可确诊心脏病发作。.

为什么这很重要

Modern tests are so sensitive they can detect very small amounts, which sometimes turns up minor heart strain after extreme endurance events in otherwise healthy athletes.

齐曼人

定义

齐曼人是玻利维亚亚马孙地区的一个土著采集园艺族群,其传统生活方式——以高强度体力活动和约 91 毫克/分升的低平均低密度脂蛋白胆固醇为特征——与极低的冠状动脉钙化率显著相关,40 岁以上成年人中有 85% 显示不出可检测到的冠状动脉钙化。.

为什么这很重要

They serve as key evidence that extensive atherosclerosis is not an inevitable consequence of aging but is strongly shaped by lifelong risk-factor exposure.

先天性疾病

双阶梯框架

定义

The Two-Ladder Framework, as used in this review, is an analytical approach that evaluates dietary patterns on two separate evidence ladders—one for favorable changes seen on arterial imaging (plaque regression) and one for reductions in hard clinical events such as heart attack and death—preventing conflation of surrogate markers with meaningful patient outcomes.

为什么这很重要

It helps readers understand why a diet that shrinks a plaque on a scan is not automatically proven to prevent death, and vice versa.

阅读:地中海饮食与全食物植物性饮食对心脏病的区别是什么?

Type 2 Diabetes Remission

定义

A clinical state in which blood glucose falls below the diagnostic threshold for type 2 diabetes and is maintained without glucose-lowering medication; low-carbohydrate diets have been shown in trials to increase remission rates at six months, though the advantage narrows by twelve months.

为什么这很重要

The article highlights that keto's glucose benefit is real but time-limited, a distinction critical for patients weighing long-term treatment strategies.

生酮饮食 vs. 全食植物性饮食:关于运动表现、胰岛素敏感性、逆转心脏病和长寿的硬核证据是什么?

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U

U-Shaped (or Reverse J-Shaped) Hypothesis

定义

A proposed dose-response relationship between exercise volume and coronary atherosclerosis risk, in which moderate exercise is maximally protective but very high lifetime training volumes are associated with increased subclinical plaque burden in some individuals, mirroring the athlete paradox findings from cohorts such as Master@Heart.

为什么这很重要

This framework explains why 'more is always better' may not apply to extreme endurance training and why elite athletes still need heart screening.

阅读:冠状动脉钙化与运动风险

国际自行车联盟

定义

The world governing body for competitive cycling, which ratifies official records—including the Hour Record—and sets the rules for elite and masters competition worldwide.

为什么这很重要

The UCI sanction is what makes Megdal's world record official rather than merely a personal best.

彼得·梅格达尔 (Peter Megdal) 登上《戴德姆时报》

英国生物样本库

定义

英国生物样本库(UK Biobank)拥有五十万名英国志愿者的详细基因、生活方式和健康数据,这些数据与他们的医疗记录相连。.

为什么这很重要

Its size and genetic depth make it the workhorse behind much modern Mendelian randomization — the method that separates causes from coincidences.

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

Ulcerative Colitis

定义

Ulcerative colitis is a chronic inflammatory bowel disease causing inflammation and ulceration of the colon lining; in the article it is the medical reason the index patient adopted a ketogenic diet, which then drove his extreme rise in LDL cholesterol.

为什么这很重要

Context for why the patient adopted the diet matters when evaluating whether his lipid pattern is relevant to broader dietary advice.

Read: Does metabolic health protect you from high cholesterol?

Ultra-Processed Foods

定义

Industrial food products formulated from refined ingredients and additives—such as emulsifiers, colorings, and flavor enhancers—with little resemblance to whole foods; both plant-based and animal-based ultra-processed products are associated with increased cardiovascular risk, validating the article's argument that processing level matters as much as food source.

为什么这很重要

Recognising ultra-processing as a cardiovascular risk factor independent of plant-vs-animal origin is central to the 'food quality' debate discussed in the article.

阅读:通过饮食治疗心脏病不仅是一种现代痴迷——它更是一种有数百万年进化历史支撑、并借助现代科学最先进手段的实践。

Umbrella Review

定义

对某一主题的多项现有Meta分析进行的系统评价,提供了跨越众多研究的高水平证据综合;在文章中被引用以总结关于植物性饮食与心血管结局的研究结果。.

为什么这很重要

Knowing what an umbrella review is helps readers judge why this type of evidence is considered especially comprehensive.

阅读:问答:你对红肉的热爱会有危险吗?

未识别的心肌梗死

定义

An unrecognized myocardial infarction is a heart attack that occurred without being identified at the time, leaving a permanent scar on the heart muscle that is only discovered later through imaging or electrocardiography.

为什么这很重要

Knowing UMI exists helps explain why a fit athlete with no cardiac history can still carry hidden heart damage.

体质好如何掩盖心脏病发作

Unrestrained Lipolysis

定义

不受抑制的脂解是指储存於脂肪组织中的脂肪发生过度且不依赖胰岛素的分解,将大量游离脂肪酸释放到血液中;在胰岛素抵抗状态下,胰岛素对激素敏感脂肪酶的正常抑制作用失效,使得这一过程呈持续性进行,而非受到严格调控。.

为什么这很重要

It is the upstream trigger that overloads the liver with fat, driving the overproduction of atherogenic particles.

不要再迷信低密度脂蛋白(LDL)!关于载脂蛋白B(ApoB)、胰岛素抵抗与糖尿病的真相

不稳定型心绞痛

定义

不稳定型心绞痛是指在休息时出现、比以前活动量更小时即可诱发,或病情突然加重的胸部不适。.

为什么这很重要

Unlike stable angina, which is predictable, this pattern suggests a plaque has become active and a heart attack may be close behind. It is treated as an emergency.

Unstable Plaque

定义

An unstable plaque is an atherosclerotic lesion with a thin fibrous cap, a large lipid-rich necrotic core, and active inflammation, making it prone to rupture even when it is not large enough to meaningfully restrict blood flow or cause symptoms.

为什么这很重要

Knowing that dangerous plaques are not necessarily large ones reframes how heart attack risk should be assessed.

Read: You Feel Fine – That’s the Problem

Upstream Trait

定义

In causal biology, a characteristic or variable that sits earlier in the causal chain and drives downstream outcomes; the article uses this term to describe how genes for body composition and lean mass produce high VO₂ max as a secondary consequence.

为什么这很重要

Grasping the upstream/downstream distinction is essential to understanding why the article concludes that lifestyle behaviors matter more than the VO₂ max number itself.

阅读:最大摄氧量 (VO₂ max):健康与长寿的决定因素?

Uremic Toxin

定义

A uremic toxin is a waste product that accumulates to harmful concentrations in the blood when kidney function is severely impaired and cannot clear it adequately; the article describes TMAO as behaving like a uremic toxin only at the very high, 'supraphysiological' levels seen in advanced kidney disease. At normal kidney function it is considered a harmless passenger.

为什么这很重要

The distinction matters because it explains why TMAO may be dangerous in dialysis patients but not in healthy people who eat fish or meat.

红肉正在通过你的肠道杀死你吗?关于TMAO的大骗局

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V

Vagal Tone

定义

自主神经系统副交感神经(迷走神经)分支作用于心脏的活动水平;高迷走神经张力会降低静息心率,通常对心脏具有保护作用,但在极端耐力运动员中,人们认为它可能促成心房颤动的风险。.

为什么这很重要

Understanding vagal tone explains the nuanced risk of excessive endurance training, part of the U-shaped curve discussion in this article.

你的心脏比你更老吗?逆转心血管年龄的科学

Valsalva Maneuver

定义

瓦尔萨瓦动作是重物提举过程中声门关闭时的强力呼气;它在用力阶段会急剧升高胸内压,但随之而来的突然放松会在主动脉内产生剧烈的向后压力波,从而可能在脆弱的血管壁上引发内膜撕裂。.

为什么这很重要

Understanding the Valsalva maneuver explains why the moment of releasing a heavy lift — not the lift itself — poses the greatest aortic risk.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

滋养血管

定义

The vasa vasorum are tiny blood vessels that supply the wall of a larger artery. The name means "vessels of the vessels."

为什么这很重要

An artery wall is thick enough to need its own blood supply. As a plaque grows, these vessels multiply into it — bringing inflammatory cells and the risk of bleeding inside the plaque.

从子宫到逆转:消除一生的动脉损伤

Vascular Aging

定义

动脉随时间推移发生的进行性结构和功能退化,其特征为弹性丧失、刚度增加以及微观损伤的积累,这使得动脉壁更容易发生脂质沉积和慢性炎症。.

为什么这很重要

Understanding that aging itself changes the arteries explains why cardiovascular risk rises even in people who manage traditional risk factors.

Read: How Does Age Affect Atherosclerosis? A Q&A Explainer

Vascular Cognitive Impairment and Dementia (VCID)

定义

血管性认知障碍和痴呆是一个总括性术语,主要指由脑血管疾病引起的认知功能下降,涵盖了从轻度认知损伤到由中风、小血管病或慢性低灌注导致的严重痴呆的一系列病症。.

为什么这很重要

The article positions VCID as a key intermediate outcome on the pathway from ApoB-driven arterial disease to the clinical syndrome often diagnosed as Alzheimer's.

阿尔茨海默病其实始于你的动脉吗?

Vascular Injury (Direct Vascular Injury)

定义

Physical or biochemical damage to the cells and structures of blood vessel walls — distinct from injury mediated through elevated cholesterol or other systemic risk factors — that can independently initiate or accelerate atherosclerotic plaque formation.

为什么这很重要

The finding that microplastics caused arterial damage without raising cholesterol points to a direct-injury mechanism that bypasses traditional risk pathways.

问答:日常微塑料是否在助长心脏病?

Vascular Memory

定义

The concept that cumulative exposure of arterial walls to atherogenic lipoproteins during childhood leaves a structural imprint—detectable years later as increased carotid intima-media thickness—that persists even if risk factors subsequently improve.

为什么这很重要

It explains why high cholesterol in a child matters decades before any symptoms appear.

阅读:婴儿需要服用他汀类药物吗?

血管弹性

定义

Vascular resilience describes a phenotype in which an individual's arterial wall is relatively resistant to plaque development despite sustained exposure to elevated ApoB-containing lipoproteins; proposed mechanisms include reduced endothelial permeability, lower proteoglycan retention, or attenuated inflammatory signaling, though no clinical test currently identifies this trait.

为什么这很重要

Understanding that resilience delays but does not abolish atherosclerosis helps explain why a clean family history is reassuring but not a guarantee of lifelong protection.

基因好能战胜血脂差吗?

Vasomotor Function

定义

Vasomotor function refers to the artery's ability to relax and widen (dilate) or constrict in response to physiological signals, a capacity governed largely by the endothelium; in primate regression experiments, vasomotor responses improved within months of cholesterol lowering even before measurable plaque shrinkage occurred.

为什么这很重要

It explains why patients can benefit from treatment faster than imaging changes appear—a key practical takeaway from this article.

Read: Can heart disease be reversed?

Vasomotor Symptoms (VMS)

定义

Physiological events such as hot flashes and night sweats caused by instability in the hypothalamic thermoregulatory center during estrogen withdrawal; they can persist for many years and show significant variation by racial and ethnic group.

为什么这很重要

VMS are among the most common and disruptive menopausal symptoms, and their duration and severity have downstream effects on sleep, mood, and cardiovascular health.

绝经 内分泌 心血管 风险

血管运动张力

定义

动脉壁平滑肌主动收缩或舒张的程度,它根据代谢需求、内皮信号(如一氧化氮)以及神经输入不断调节管腔直径;生活方式干预后得到改善的血管运动张力即使在没有结构性斑块消退的情况下也能扩大功能性管腔。.

为什么这很重要

It helps explain how lifestyle changes like the Ornish program can produce apparent lumen improvement through functional rather than purely structural changes.

Read: Reversal of Coronary Atherosclerosis: Mechanistic Insights from Human and Primate Studies

Vegetarian Diet

定义

素食主义饮食不包含肉类,而纯素食主义饮食则不包含所有动物产品。.

为什么这很重要

These diets are associated with longer life and less heart disease, but the comparison groups matter. Vegetarians also tend to smoke less, drink less, and exercise more, so untangling the diet from the lifestyle around it is genuinely difficult.

素食主义真的能延年益寿吗?这是一个谎言吗?

Velodrome

定义

An indoor or outdoor oval cycling track with steeply banked turns, purpose-built for track racing events such as the Hour Record; the banking allows riders to maintain high speeds through corners without losing traction.

为什么这很重要

The velodrome's geometry—banking angle, track surface, and line markings—directly determines strategy and record eligibility.

彼得·梅格达尔 (Peter Megdal) 登上《戴德姆时报》

Velodrome Track Temperature

定义

The ambient air temperature inside an indoor cycling track; warmer conditions reduce air density and aerodynamic drag—improving speed—but simultaneously raise cardiovascular and thermoregulatory stress, requiring athletes to balance performance gain against physiological cost.

为什么这很重要

Heat stress increases cardiac output demands and can compromise performance and safety in athletes with heart conditions.

阅读:彼得·梅格达尔 2022 年一小时纪录挑战

Venous Thromboembolism (VTE)

定义

Venous thromboembolism is a blood clot forming in a deep vein, most often in the leg, that can break off and travel to the lungs (pulmonary embolism); oral estrogen roughly doubles VTE risk by stimulating the liver to produce extra clotting factors, whereas transdermal estradiol does not significantly raise this risk.

为什么这很重要

VTE risk is one of the central trade-offs women and doctors must weigh when choosing between pill and patch formulations.

阅读:新型雌激素贴片能预防心脏病吗?真相解析

Ventricular Fibrillation

定义

Ventricular fibrillation is a chaotic, disorganized electrical rhythm of the heart's main pumping chambers that produces no effective heartbeat and leads to loss of consciousness and death within minutes if not corrected by defibrillation.

为什么这很重要

It is the immediate electrical mechanism responsible for most sudden cardiac deaths, and understanding it explains why a defibrillator shock is the definitive treatment.

如何避免英年早逝

VERO Trial

定义

A randomized, double-blind trial in 1,360 postmenopausal women with severe osteoporosis that directly compared teriparatide (anabolic) with risedronate (bisphosphonate); new spinal fractures occurred in 5.4% of the teriparatide group versus 12.0% of the risedronate group over two years.

为什么这很重要

VERO provided the first head-to-head fracture-outcome evidence that an anabolic agent can outperform a bisphosphonate in very-high-risk patients.

阅读:牙龈疾病与心脏病

多功能蛋白聚糖

定义

聚糖是动脉内膜中发现的一种大型硫酸化蛋白聚糖,其带负电荷的糖胺聚糖链通过离子键与脂蛋白颗粒上的载脂蛋白 B-100 结合,促使其滞留在动脉壁中,这是动脉粥样硬化的早期步骤。.

为什么这很重要

It is one of the molecular 'Velcro' components that traps lipoprotein particles in the artery wall before inflammation begins.

载脂蛋白B:更长、更高、更糟

Verve-101 (heart-1 Trial)

定义

The first-in-human clinical trial of an in vivo CRISPR base-editing therapy targeting the PCSK9 gene in liver cells, designed to permanently lower LDL-C with a single administration; it follows primate data showing durable cholesterol reductions without ongoing treatment.

为什么这很重要

Verve-101 represents the frontier of cardiovascular prevention—a potential lifelong solution delivered in one visit.

Read: The Cholesterol Breakthrough: From Daily Pills to Twice-a-Year Shots

VESALIUS-CV

定义

A randomized controlled trial enrolling 12,257 adults with high-risk diabetes or atherosclerosis but no prior myocardial infarction or stroke, assigned to evolocumab 140 mg every two weeks or placebo on top of optimized lipid-lowering therapy. Over a median 4.6 years it showed a 25% reduction in three-point MACE and a 36% reduction in first myocardial infarction.

为什么这很重要

Understanding what the trial actually tested—and who was in it—is essential to judging whether its results apply to you.

阅读:预防你的第一次心脏病发作

VESALIUS-CV Trial

定义

VESALIUS-CV 是一项 2025 年开展的随机试验,旨在评估在优化脂质治疗的基础上对无既往心肌梗死或卒中病史的高心血管风险患者加用依洛尤单抗(evolocumab)的效果,结果表明,更早、更积极地降低 ApoB 水平可减少动脉粥样硬化事件。.

为什么这很重要

It extends the case for aggressive ApoB lowering to people who have not yet had a heart attack or stroke.

为什么载脂蛋白B(ApoB)很重要?

Virtual Histology IVUS (VH-IVUS)

定义

A signal-processing technique applied to intravascular ultrasound data that color-codes plaque components—fibrous, fibro-fatty, necrotic core, and calcified tissue—without physical biopsy; it has been used in regression trials to show that intensive lipid lowering increases fibrous content and reduces necrotic core volume.

为什么这很重要

It allows researchers and clinicians to assess plaque composition non-destructively, confirming structural stabilization that angiography alone cannot reveal.

冠状动脉斑块消退、管腔悖论与运动员的血管重塑:整合药物与全食物植物性策略

Visceral Adipose Tissue (VAT)

定义

内脏脂肪是储存在腹腔深处、环绕肝脏、胃和肠道等器官的脂肪;与位于皮下的皮下脂肪不同,它直接流入门静脉且具有代谢活性,会分泌激素和促炎信号,从而增加心脏代谢风险。.

为什么这很重要

Understanding VAT explains why waist size and fat distribution predict heart disease risk better than body weight alone.

阅读:为什么腹部脂肪比你想象的更危险

内脏脂肪指数

定义

内脏脂肪指数是一种性别特异性数学评分,结合了腰围、体重指数、甘油三酯和高密度脂蛋白胆固醇,用于在无法进行直接影像学检查时评估内脏脂肪功能障碍和心血管代谢风险。.

为什么这很重要

It gives clinicians and researchers a practical way to quantify visceral fat burden without needing a CT scan or MRI.

阅读:为什么腹部脂肪比你想象的更危险

内脏脂肪

定义

请参阅“腹部脂肪”完整词条。.

Visibility Bias

定义

Visibility bias is the cognitive tendency to perceive only problems that produce noticeable symptoms or visible signs, while underestimating threats that are silent; in cardiovascular medicine it describes why patients often dismiss heart disease risk because they feel well, even though atherosclerosis typically develops for decades without any symptoms.

为什么这很重要

Understanding this bias explains why feeling healthy is not the same as being healthy when it comes to your arteries.

Read: You Feel Fine – That’s the Problem

VISP Trial

定义

A randomized trial of 3,680 stroke survivors that compared high-dose versus low-dose B vitamins over two years and found no reduction in recurrent stroke rates, with approximately 9 percent recurrence in both treatment groups.

为什么这很重要

It was one of the first large trials to directly test whether lowering homocysteine after stroke prevents further strokes, and its null result shaped subsequent research.

补充L-甲基叶 folate + 活性B族维生素降低同型半胱氨酸能否帮助预防动脉粥样硬化并减少斑块?

VITAL Trial

定义

A large randomized trial testing 1 g/day of combined EPA and DHA in a predominantly healthy population; it found no significant reduction in major cardiovascular events, illustrating that low-dose omega-3 supplementation is insufficient for cardiovascular protection.

为什么这很重要

VITAL demonstrates that dose matters—results from low-dose supplement trials cannot be extrapolated to high-dose prescription EPA therapy.

阅读:心脏病与鱼油

维生素K2

定义

维生素K2(甲萘醌)是一种脂溶性辅因子,是激活基质Gla蛋白(该蛋白能抑制血管钙化)所必需的;他汀类药物治疗可能会因甲羟戊酸途径的抑制而作为副产物降低维生素K2的生物利用度,从而可能影响钙在斑块中的沉积方式。.

为什么这很重要

It is proposed as one mechanistic explanation for the statin–CAC paradox, where plaques calcify more densely under statin treatment.

雌激素能保护女性动脉免受斑块形成吗?

VO₂ Max (Maximum Oxygen Uptake)

定义

The maximum rate at which the body can consume oxygen during intense exercise, expressed in milliliters of oxygen per kilogram of body weight per minute; it is the gold-standard measure of cardiovascular fitness and aerobic capacity.

为什么这很重要

VO₂ max was the key metric that first signaled Dr. Megdal's decline and later confirmed his recovery after dietary change.

Read: How I Reversed My Heart Disease

VO₂ Max Test

定义

A cardiopulmonary exercise test that measures the maximum rate at which the body can consume oxygen during incremental exercise to exhaustion; it is the gold-standard index of aerobic fitness and, when combined with ECG monitoring, can also expose ischemia that appears only at near-maximum effort.

为什么这很重要

The VO₂ max test is what finally detected the author's ischemia after resting and sub-maximal tests appeared normal.

资深运动员的心脏病:我是如何逆转动脉阻塞并在65岁打破世界纪录的

Volume–Outcome Paradox

定义

The volume–outcome paradox is the observation that intensive lipid-lowering and anti-inflammatory therapy produce only modest reductions in measured plaque volume (typically 1–3%) yet yield 15–30% reductions in major cardiovascular events; the paradox is resolved by recognizing that the primary benefit comes from structural plaque stabilization — thickening of the fibrous cap, clearing of the nec…

为什么这很重要

It explains why imaging showing 'only a little' regression still translates into a dramatically lower risk of heart attack.

健美、迅捷且险些丧命:世界级自行车手如何发现隐匿性心脏病

Volumetric Plaque Quantification

定义

A computational technique, employed by AI-QCT platforms such as Cleerly, that measures the three-dimensional volume and composition of coronary plaque from CT data rather than relying on visual estimation of lumen narrowing.

为什么这很重要

It detects and characterizes plaque that the human eye misses on standard coronary CT scans, changing clinical management in a substantial proportion of patients.

阅读:低密度脂蛋白“坏”胆固醇:载脂蛋白 B、成像分辨率以及 60 岁时“正常”冠状动脉的幻象

Voxel

定义

The three-dimensional equivalent of a pixel—a tiny cubic unit of volume in a CT dataset; AI-QCT analyzes each voxel individually to characterize tissue type within the coronary artery wall rather than relying on overall visual impression.

为什么这很重要

Understanding voxels explains why AI can detect plaque details invisible to the human eye on a standard scan.

阅读:心脏病管理的未来

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W

W·kg⁻¹ (Watts per Kilogram)

定义

A power-to-weight ratio used in cycling to normalize performance across riders of different body mass; it is the standard metric for comparing endurance cycling ability and correlates closely with VO₂max.

为什么这很重要

It allows a direct, fair comparison between athletes of different sizes and age groups, making it the benchmark for evaluating where any cyclist stands relative to peers.

精英老将自行车手的生理优化与寿命表现建模

Waist-to-Height Ratio

定义

一种简单的筛查指标,计算方法是在相同单位下将腰围除以身高;该值大于约 0.5 被用作腹部脂肪过多的警告信号。它对体型进行了调整,是比单纯的 BMI 更强的心血管代谢风险预测指标。

为什么这很重要

A quick, cost-free measurement that tells you more about heart risk than the bathroom scale.

Read: Obesity and heart disease

Wake After Sleep Onset (WASO)

定义

The total number of minutes spent awake after initially falling asleep and before the final awakening; it increases with age and is a measure of sleep fragmentation.

为什么这很重要

Rising WASO is a normal aging change, but distinguishing normal fragmentation from treatable insomnia or sleep apnea requires clinical evaluation.

阅读:睡眠与您的心脏

壁面剪切应力

定义

壁面切应力是流动血液对动脉内表面施加的摩擦力;动脉弯曲处和分叉处低、振荡或多向的切应力会促进内皮功能障碍和斑块形成,而直管段高而均匀的切应力通常具有保护作用。.

为什么这很重要

The article argues that high-speed, turbulent blood flow during intense exercise creates abnormal shear patterns at anatomically susceptible coronary sites, contributing to focal glycocalyx damage and plaque formation.

阅读:耐力运动对动脉是有益还是有害?

热身心绞痛

定义

Warm-up angina is the clinical phenomenon in which ischemic chest discomfort that appears at the start of exercise is reduced or abolished during a subsequent bout, due to collateral recruitment, ischemic preconditioning, and improved ventricular-vascular coupling. Its prevalence is reported in roughly 50–80% of patients with stable angina.

为什么这很重要

It creates a false sense of security for athletes: the pain goes away, but the underlying blockage remains, making it a particularly dangerous warning sign to dismiss.

运动如何阻断疼痛:运动员心脏的致命秘密

Warranty Period (CAC)

定义

An informal clinical term describing the duration over which a CAC score of zero reliably predicts very low cardiovascular event rates; a prospective study of 9,715 asymptomatic individuals found this period extends approximately 15 years in low-to-intermediate-risk populations, though it is shortened in diabetics and heavy smokers.

为什么这很重要

The warranty period concept helps clinicians and patients understand how long a zero score remains actionable without rescanning.

零的力量:没有钙 – 没有风险?

Wattage (Watts as Energy Output)

定义

In cycling, watts measure the mechanical power a rider produces; at the intensity required for an hour record, sustaining even a few additional watts over the full effort determines whether a world record is broken.

为什么这很重要

Power output is the most precise way to quantify cardiovascular and muscular effort, and is central to how exercise prescriptions are written in cardiac rehabilitation.

阅读:Peter Megdal 接受《Dedham Times》采访

Watts (Power Output in Cycling)

定义

The unit used to quantify a cyclist's mechanical power output; in track racing, small differences in watts translate directly into measurable changes in speed and distance covered over an hour.

为什么这很重要

Megdal explains that temperature changes affect output by roughly five watts per ten degrees, illustrating how precisely power must be managed in record attempts.

彼得·梅格达尔 (Peter Megdal) 登上《戴德姆时报》

White-Matter Hyperintensities (WMH)

定义

White-matter hyperintensities are bright regions seen on MRI brain scans that reflect damage to the white matter of the brain, most commonly caused by chronic small-vessel disease and reduced blood flow.

为什么这很重要

WMH are a visible imaging marker of cumulative cerebrovascular injury and commonly coexist with both vascular dementia and Alzheimer's-type pathology.

阿尔茨海默病其实始于你的动脉吗?

Whitehall II Study

定义

Whitehall II is a long-running prospective cohort study of British civil servants, begun in 1985, that has been a major source of evidence on how occupational stress, social position, and biological markers relate to cardiovascular and other health outcomes. The article cites it for the finding that a flatter diurnal cortisol slope predicted cardiovascular mortality.

为什么这很重要

Whitehall II is one of the most influential cohort studies in cardiovascular epidemiology, and its name appears repeatedly in the stress-and-heart literature.

阅读:压力会致命吗?冥想能救命吗?

WHO MONICA 项目

定义

世界卫生组织 MONICA(心血管疾病流行趋势和决定因素跨国监测)项目是一项大型国际研究,在 20 世纪 80 年代至 90 年代期间对数十个不同人群的心脏病发作率及预后进行了追踪,并区分了死亡率的下降究竟归因于心脏病发作次数的减少,还是发作后生存率的提高。.

为什么这很重要

MONICA provided the clearest evidence that roughly two-thirds of the coronary mortality decline came from fewer events, not from better treatment — shaping how we understand prevention versus rescue.

心血管疾病史

Whole Food Plant-Based Diet

定义

全食物植物性饮食由蔬菜、水果、豆类、全谷物、坚果和种子组成,同时基本上不含动物制品和加工食品。.

为什么这很重要

The strictest versions are the only dietary approach that has been paired with imaging evidence of coronary plaque actually shrinking. Those studies were small and intensive, and the diets are demanding to sustain.

阅读:已被证实唯一能消除动脉斑块的饮食(不是地中海饮食!)

Wide-Detector CT (Wide-Area Detector CT)

定义

A CT scanner with a detector wide enough (typically 16 cm) to capture the entire heart in a single heartbeat, reducing motion-related 'stitching' artifacts and allowing high-quality coronary images at lower radiation doses in suitable patients.

为什么这很重要

The article explains that marketing terms like '640-slice' describe this detector architecture, and that the technology's real advantage is artifact reduction rather than inherently superior risk prediction.

一种无需手术透视心脏的新方法——预测心脏病发作的最佳途径

Wnt/β-Catenin Signaling

定义

A cell-signaling pathway that, when active in bone, drives osteoblast-mediated bone formation; in the vascular wall the same pathway can push smooth muscle cells toward a bone-forming phenotype capable of depositing calcium in arterial plaque, which is why drugs that activate this pathway — such as romosozumab — raise questions about cardiovascular safety.

为什么这很重要

Wnt/β-catenin signaling is the biological reason sclerostin inhibition works so well for bone yet carries a theoretical — and possibly real — cardiovascular risk.

阅读:骨质疏松症与心脏病

Women's Health Initiative (WHI)

定义

A large U.S. randomized controlled trial launched in the 1990s that examined the long-term health effects of hormone therapy in postmenopausal women; its 2002 report linking combined estrogen-progestin therapy to increased breast cancer and cardiovascular events dramatically shifted clinical prescribing practices, though subsequent analyses added important nuance.

为什么这很重要

The WHI remains the most influential study shaping current attitudes toward hormone therapy, so understanding what it found—and its limitations—is essential for any reader of menopause research.

绝经 内分泌 心血管 风险

Women's Health Study

定义

A long-term prospective cohort study of nearly 28,000 women; its 30-year follow-up, published in the New England Journal of Medicine in 2024, demonstrated that hs-CRP was a stronger predictor of cardiovascular events than LDL cholesterol, reshaping risk-stratification guidelines.

为什么这很重要

This trial is the central evidence base for the argument that inflammation markers belong alongside cholesterol in routine cardiac risk assessment.

炎症、脂蛋白与以低密度脂蛋白(LDL)为中心的时代的终结

Working Diagnosis

定义

这是一个临时临床标签,在初步检查结果确诊(此处为真正的心肌梗死)但潜在病因尚未确定时使用,明确表示需要进一步调查,而非治疗已经结束。.

为什么这很重要

Knowing MINOCA is a working diagnosis helps patients advocate for continued evaluation instead of accepting 'clear pipes' as a final answer.

隐匿性梗死:MINOCA机制、诊断与管理的深入研究验证

WOSCOPS

定义

The West of Scotland Coronary Prevention Study, a 1995 randomized trial of pravastatin versus placebo in approximately 6,595 middle-aged men with elevated LDL cholesterol and no prior myocardial infarction. It was one of the first large trials to demonstrate that cholesterol lowering prevents heart attacks in people who have not yet had one.

为什么这很重要

WOSCOPS is the foundational primary-prevention statin trial against which later trials, including VESALIUS-CV, are compared.

阅读:预防你的第一次心脏病发作

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X

黄色瘤

定义

黄瘤是胆固醇在皮肤或肌腱中积聚形成的黄色沉积物,最常见于指关节、肘部、膝盖或跟腱周围。.

为什么这很重要

They are a visible sign of very high cholesterol, usually from an inherited condition. When they appear in a child, it points toward the severe inherited form and calls for urgent evaluation.

阅读:拥有 60 岁动脉的儿童:HoFH 的极端现实

Xeno-Antigen

定义

A foreign molecular structure recognized by the immune system as non-self; dietary Neu5Gc incorporated into human cell surfaces acts as a xeno-antigen because the human body naturally produces antibodies against it.

为什么这很重要

The immune system's reaction to this foreign tag is what triggers the chronic inflammation potentially linking red meat to heart disease.

阅读:问答:你对红肉的热爱会有危险吗?

Xeno-Autoantigen

定义

A xeno-autoantigen is a foreign molecule that, once incorporated into the body's own tissues, is targeted by the immune system as if it were both self and non-self simultaneously; Neu5Gc functions as a xeno-autoantigen when it is metabolically embedded into the human vascular endothelium after red meat consumption.

为什么这很重要

This dual identity—foreign origin but self-location—is what makes the resulting immune attack on blood vessel walls uniquely damaging.

你的免疫系统在与你的牛排开战吗?

Xenosialitis

定义

Xenosialitis is a state of chronic, smoldering vascular inflammation that arises when dietary Neu5Gc from red meat is incorporated into human endothelial tissue and subsequently attacked by the body's own anti-Neu5Gc antibodies, which recognize it as a foreign 'xeno-autoantigen.'

为什么这很重要

This mechanism is proposed to explain cardiovascular events in people who lack conventional risk factors, linking red meat consumption directly to arterial inflammation.

你的免疫系统在与你的牛排开战吗?

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Z

Z-Drugs (Non-Benzodiazepine Hypnotics)

定义

A class of sedative-hypnotic medications—including zolpidem, zaleplon, and eszopiclone—that act on the same GABA receptors as benzodiazepines but have a different chemical structure. Like benzodiazepines, they raise the risk of falls, fractures, and cognitive confusion, particularly in adults over 65.

为什么这很重要

They are among the most commonly prescribed sleep aids, yet their risks in older adults make them a poor long-term choice compared with behavioral treatments.

阅读:睡眠与您的心脏

Z-Score (Aortic)

定义

An aortic Z-score is a statistical measure that expresses how many standard deviations an individual's aortic diameter deviates from the mean expected for a person of the same age, sex, and body size, allowing clinicians to distinguish physiological athletic enlargement from pathological dilation.

为什么这很重要

Because elite athletes naturally have larger aortas, raw diameter measurements alone are misleading — the Z-score corrects for body size to reveal whether a 'big pipe' is healthy adaptation or early disease.

运动员的主动脉:健康的心脏还是隐蔽的定时炸弹?

零钙化积分

定义

A zero calcium score means a CT scan found no hardened plaque in your heart's arteries at all.

为什么这很重要

For most middle-aged adults this is genuinely good news and predicts a low risk over the next decade. It is not a permanent clearance, though. Young people and those with very high Lp(a) can carry soft plaque that a calcium scan cannot see.

零的力量:没有钙 – 没有风险?

零风险假设

定义

The zero-risk hypothesis proposes that atherosclerosis is not an inevitable consequence of aging but a substrate-dependent disease that requires sustained exposure to ApoB-containing lipoproteins to initiate; if lifelong circulating ApoB and LDL-C are kept near newborn baseline levels (roughly 10–20 mg/dL), the probability of initiating any atherosclerotic lesion approaches zero.

为什么这很重要

It reframes heart disease as potentially preventable from birth rather than an inevitable part of aging.

心脏病是一种选择吗?阻止斑块形成的‘零风险’秘诀

Zetia (Ezetimibe)

定义

An oral lipid-lowering drug that reduces LDL cholesterol by blocking the NPC1L1 transporter in the intestine, limiting the absorption of dietary and biliary cholesterol; it is often added to statin therapy when LDL targets are not met.

为什么这很重要

Identifying Zetia's mechanism helps readers understand how combining multiple drug classes can achieve very low LDL goals.

资深运动员的心脏病:我是如何逆转动脉阻塞并在65岁打破世界纪录的

齐替韦单抗

定义

一种抑制 IL-6 信号传导的在研单克隆抗体,目前正在针对患有慢性肾脏病且 CRP 升高的患者进行临床试验,代表了一种降低残余心血管炎症风险的靶向药理学方法。

为什么这很重要

It illustrates the next frontier of heart therapy—directly silencing the inflammatory pathway rather than only lowering cholesterol.

炎症、脂蛋白与以低密度脂蛋白(LDL)为中心的时代的终结

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心脏风险计算器

带有H评分洞察、可视化家谱输入和可分享PDF报告的教育型家族病史心脏风险计算器。.

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