Stroke:抗凝药预防缺血性卒中复发 对房颤、高龄老人区别对待?

2017-07-06 易湛苗 环球医学资讯

2017年6月,发表在《Stroke》的一项由瑞典科学家进行的研究,考察了患有房颤的高龄(80岁以上)老人用抗凝药预防缺血性卒中复发是否能获益。

2017年6月,发表在《Stroke》的一项由瑞典科学家进行的研究,考察了患有房颤的高龄(80岁以上)老人用抗凝药预防缺血性卒中复发是否能获益。

背景和目的:抗凝治疗对预防房颤患者缺血性卒中复发有效。此获益的代价是出血的小幅增加。抗凝药相关出血似乎随着年龄的增长而增加,但很少有研究表明老年人是否能够从治疗中获益。

方法:本项观察性研究中,使用来自包括“卒中风险”(Riksstroke,一个瑞典卒中登记)在内的4个不同的登记研究。纳入2006~2013年,近期发生缺血性卒中、年龄在80~100岁,并患有房颤的患者。患者分层为成3个年龄组:80~84岁、85~89岁和≥90岁。有关卒中严重程度、风险因素、药物和并发症的信息均从登记信息中收集。对患者进行随访,关注缺血性或出血性卒中、其他出血或死亡。

结果:23356名房颤患者中,6361名(27%)在发生缺血性卒中后使用抗凝药。所有年龄组中,抗凝治疗与缺血性卒中复发减少相关。90岁以上年龄组的出血增加最多,但这并不能抵消抗凝药的全部获益。除了年龄,其他心血管风险因素或并发症都被确定不影响抗凝相关的出血风险。除抗凝药以外的药物对大出血的发生率没有影响。

结论:鉴于本研究中患者的特点,还有更多的空间让患者可以用抗凝药治疗。在九旬老人中,出血增加略多,但这并未影响这一年龄层患者的总体结局。

原始出处

Appelros P, Farahmand B, Terént A, sberg S,et al.To Treat or Not to Treat: Anticoagulants as Secondary Preventives to the Oldest Old With Atrial Fibrillation.Stroke. 2017 Jun;48(6):1617-1623. doi: 10.1161/STROKEAHA.117.016902. Epub 2017 May 9.

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    2017-07-08 xlysu

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