Eur Heart J:氯吡格雷重负荷对已经接受氯吡格雷治疗的急性心肌梗死患者有何影响?

2017-05-27 xing.T MedSci原创

氯吡格雷重负荷经常发生在入院前就接受氯吡格雷治疗的MI患者,尤其是在STEMI患者中。研究人员没有观察到氯吡格雷重负荷会增加出血或死亡风险,因此氯吡格雷重负荷对于大多数MI患者可能是安全的。

近日,心血管领域权威杂志Eur Heart J上发表了一篇研究文章,研究人员试图确定当前临床实践中氯吡格雷再负荷与住院出血和死亡率之间的相关性。

研究人员在2009年至2014年期间的 ACTION注册-GWTG研究中评估了接受入院前氯吡格雷治疗的ST段抬高心肌梗死(STEMI)和非ST段抬高型心肌梗死(NSTEMI)患者入院后氯吡格雷重负荷的作用。研究人员采用逆概率加权倾向调整来比较了入院头24 h≥300mg氯吡格雷vs.那些继续维护剂量(<300mg)患者之间住院死亡率和大出血的风险。

在12366例入院前接受氯吡格雷治疗的STEMI患者中,9369例(75.8%)接受负荷剂量。在39158例 NSTEMI患者中,10144例(25.9%)患者被给予重负荷剂量。给予重负荷剂量的患者较为年轻,合并疾病较少,更可能接受直接PCI治疗(STEMI)或早期侵入性治疗策略(NSTEMI)。两组患者大出血的风险没有显著差异,无论是否合并STEMI(比值比为0.98,95%可信区间为0.85-1.13)或NSTEMI(比值比为1,95%可信区间为0.90-1.11)。在STEMI患者中,氯吡格雷重负荷与较低的住院死亡率风险相关(比值比为0.80,95%可信区间为0.66-0.96),而在NSTEMI患者发现死亡率无显著差异(比值比为1.13,95%可信区间为0.93-1.37)。

氯吡格雷重负荷经常发生在入院前就接受氯吡格雷治疗的MI患者,尤其是在STEMI患者中。研究人员没有观察到氯吡格雷重负荷会增加出血或死亡风险,因此氯吡格雷重负荷对于大多数MI患者可能是安全的。

原始出处:

Jacob A. Doll,et al. Clopidogrel reloading for patients with acute myocardial infarction already on clopidogrel therapy. Eur Heart J.https://doi.org/10.1093/eurheartj/ehx255

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    2017-05-29 zhaojie88
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    2017-05-29 slcumt
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    2017-05-27 139****5926

    好文章学习了

    0

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    2017-05-27 flysky120

    学习一下知识

    0

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