在宫动脉剖析中预防中风的抗血栓治疗:STOP-CAD研究
Shadi Yaghi1, Liqi Shu1, Daniel Mandel1
1Department of Neurology, The Warren Alpert Medical School of Brown University, Brown Medical School, Providence, RI (S. Yaghi, L.S., D. Mandel, K.P., V.D., K.B., T.B., N.K., F. Khan, C.S., N.M., E.G., K.F.).
Stroke
|February 9, 2024
概括
对于宫动脉剖析,抗凝剂可能会降低中风风险,特别是在闭塞病例中. 然而,它在180天后增加了严重出血的风险,这表明可能转向抗血小板药物. 需要进一步的研究.
科学领域:
- 神经学 神经学
- 心血管医学 心血管医学
- 临床试验 临床试验
背景情况:
- 宫动脉剖析 (CAD) 的中风预防策略缺乏来自小型试验的明确证据.
- 对CAD的最佳抗血栓治疗仍在争论中,抗血小板药与抗凝固药的结果相互矛盾.
研究的目的:
- 在宫动脉剖析的患者中,比较抗凝治疗与抗血小板治疗的有效性和安全性.
- 在基于抗血栓治疗的CAD患者中评估随后的缺血性中风和大出血的风险.
主要方法:
- 在3636名患有非创伤性宫动脉剖析的患者中进行的多中心,回顾性,国际观察性研究.
- 使用调整后的考克斯回归与治疗权重的逆概率对抗凝血与抗血小板的比较.
- 评估的结果包括随后的缺血性中风和30天和180天内的大出血.
主要成果:
- 与抗血小板药物相比,抗凝血药物在第30天和第180天显示出对降低缺血性中风风险的无意义趋势.
- 抗凝药与180日大出血风险显著增加有关 (aHR,5.56).
- 患有闭合解剖的患者在服用抗凝药时,缺血性中风风险显著降低 (aHR,0.40).
结论:
- 抗凝药可以减少宫动脉剖析中的缺血性中风风险,特别是在闭塞病例中.
- 随着180天的抗凝血治疗,大出血的风险增加,建议考虑切换到抗血小板药物.
- 需要进行大型前性研究来证实这些发现并指导治疗决策.
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