Eur Heart J:阿司匹林对心血管事件一级预防的疗效和安全性分析

2018-12-18 xing.T MedSci原创

由此可见,在没有明确心血管疾病的成年人中,阿司匹林与全因死亡率的降低无关;然而,它与大出血的发生率增加有关。需要重新考虑常规使用阿司匹林进行一级预防的作用。

阿司匹林在一级预防中的作用不断发展。最近的随机试验挑战了阿司匹林在一级预防中的地位。

近日,血管领域权威杂志Eur Heart J上发表了一篇研究文章,研究人员检索了电子数据库中比较了阿司匹林与安慰剂(或对照)在没有明确动脉粥样硬化疾病的受试者疗效的随机试验。该研究的主要疗效结局为全因死亡率,而主要安全性结局是大出血。研究人员使用DerSimonian和Laird随机效应模型报告了汇总的估计值。

该研究共纳入11项试验,共有157248名受试者。平均随访时间为6.6年,阿司匹林与全因死亡率较低无关[风险比(RR)为0.98,95%置信区间(CI)为0.93-1.02; P=0.30];然而,阿司匹林与大出血发生率增加(RR为1.47,95%CI为1.31-1.65; P<0.0001)和颅内出血(RR为1.33,95%CI为1.13-1.58; P=0.001)有关。在糖尿病和高血管风险患者中证实了对全因死亡率和大出血存在类似的效应(即10年风险>7.5%)。阿司匹林与较低的心肌梗死发生率有关(RR为0.82,95%CI为0.71-0.94; P=0.006);然而,这一结果的异质性相当大(I2=67%),并且当将分析局限于最近的试验时,这种效应不再明显。试验序贯分析证实了阿司匹林对全因死亡率缺乏益处,相对风险降低5%。

由此可见,在没有明确心血管疾病的成年人中,阿司匹林与全因死亡率的降低无关;然而,它与大出血的发生率增加有关。需要重新考虑常规使用阿司匹林进行一级预防的作用。

原始出处:

Ahmed N Mahmoud, et al. Efficacy and safety of aspirin for primary prevention of cardiovascular events: a meta-analysis and trial sequential analysis of randomized controlled trials.Eur Heart J. https://doi.org/10.1093/eurheartj/ehy813

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    2018-12-20 zhaojie88
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    2018-12-20 slcumt
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    2018-12-19 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

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