阿司匹林预防心脏病的难题
H Robert Superko1, John Sninsky1, Brenda Garrett1
1Cholesterol, Genetics and Heart Disease Institute (501c3 nonprofit), USA.
American journal of preventive cardiology
|June 12, 2025
概括
针对LPA变异的基因测试可以识别那些最受益于阿司匹林用于初级心血管预防的个体. 在这些人中使用阿司匹林可以显著减少冠状动脉心脏病的发生,而不会增加出血风险.
科学领域:
- 心血管医学 心血管医学
- 遗传学 是一个遗传学.
- 药物基因组学 药物基因组学
背景情况:
- 每天使用阿司匹林用于心血管疾病 (CVD) 的初级预防,由于心血管疾病事件减少和胃肠道 (GI) 出血的平衡风险,因此存在困境.
- 脂蛋白 (a) [LPA]是动脉样硬化心血管疾病的一个关键风险因素.
- 在LPA的遗传变异可能会影响个体对阿司匹林治疗的反应.
研究的目的:
- 调查LPA多态性在确定从初级阿司匹林预防中受益的患者中的作用.
- 为了确定LPA变异携带者与非携带者相比,是否与阿司匹林有差异性的心血管事件减少.
主要方法:
- 对临床试验数据的分析,重点关注LPA变体rs3798220.
- 冠心病 (CHD) 发病率在LPA变体的携带者和非携带者的比较,有或没有阿司匹林治疗.
主要成果:
- 与非携带者相比,携带LPA变种 (rs3798220) 的携带者表现出更高的冠状动脉疾病事件风险.
- 阿司匹林治疗显著降低了LPA变异载体中主要的CHD事件,达到与非载体相比的水平.
- 在携带者中,阿司匹林对心血管的益处超过了严重胃肠道出血的风险增加.
结论:
- 对LPA变异的基因测试可以个性化阿司匹林治疗以预防初级心血管疾病.
- 识别LPA变异载体允许针对性使用阿司匹林,最大限度地降低心血管风险.
- 这种方法提供了一种廉价的策略,以优化特定患者群体的初级预防.
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