抗凝血与抗血小板在自发的宫动脉剖析:一个系统的审查和元分析
Shadi Yaghi1, Liqi Shu1, Lauren Fletcher2
1Department of Neurology (S.Y., L.S., F.H.F., A.S., K.J., E.G., K.F.), Providence, RI.
Stroke
|June 7, 2024
概括
抗凝药在宫动脉剖析中降低了缺血性中风风险,但增加了严重出血. 建议采用个性化方法,平衡中风减少和出血风险,需要进一步的临床试验以获得最佳的抗血栓策略.
科学领域:
- 神经学 神经学
- 心血管医学 心血管医学
- 临床研究 临床研究
背景情况:
- 宫动脉剖析 (CAD) 构成早期复发性中风的风险.
- 对CAD的最佳抗血栓策略 (抗血小板与抗凝剂) 仍然不确定.
- 现有数据已被STOP-CAD研究显著扩展,需要进行更新的分析.
研究的目的:
- 进行系统性审查和元分析,比较抗血小板治疗与宫动脉剖析患者的抗凝治疗的疗效和安全性.
- 评估与每个治疗策略相关的缺血性中风,大出血,症状性内出血和死亡的风险.
主要方法:
- 随机试验和观察性研究的系统审查和元分析 (不包括重大创伤相关解剖).
- 搜索了5个数据库对抗血小板,抗凝剂和宫动脉剖析的研究.
- 使用相对风险进行了疗效 (缺血性中风) 和安全性 (大出血,内出血,死亡) 的元分析.
主要成果:
- 包括11项研究 (5039名患者);70%接受抗血小板药,30%接受抗凝药.
- 抗凝药与显著降低缺血性中风风险 (RR,0.63;P=0.02) 相关,但较高的大型出血风险 (RR,2.25;P=0.03).
- 死亡和症状性内出血的风险相似;随机试验中的效果大小更大. 对于双重抗血小板治疗或直接口服抗凝药,数据不足.
结论:
- 抗凝药在降低CAD中的缺血性中风方面优于抗血小板治疗,但增加了严重出血的风险.
- 个性化治疗方法是有必要的,考虑到减轻中风与出血风险的临床净益处.
- 大规模的随机临床试验对于建立最佳的抗血栓治疗策略来治疗CAD至关重要.
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