BMJ:静脉血栓栓塞:直接口服抗凝药vs华法林

2017-11-09 常路 环球医学

静脉血栓栓塞患者复发率高,5年复发率可超过 20%-25%,抗凝治疗是静脉血栓栓塞的主要治疗方法。2017年10月,发表在《BMJ》的一项多中心基于人群的观察性研究比较了直接口服抗凝药(DOAC)和华法林在静脉血栓栓塞中的安全性。结果表明,与华法林相比,DOAC治疗与大出血或治疗90天内全因死亡风险的增加不相关。

静脉血栓栓塞患者复发率高,5年复发率可超过 20%-25%,抗凝治疗是静脉血栓栓塞的主要治疗方法。2017年10月,发表在《BMJ》的一项多中心基于人群的观察性研究比较了直接口服抗凝药(DOAC)和华法林在静脉血栓栓塞中的安全性。结果表明,与华法林相比,DOAC治疗与大出血或治疗90天内全因死亡风险的增加不相关。

目的:确定DOAC与华法林相比,在静脉血栓栓塞治疗上的安全性。

设计:2009年1月1日~2016年3月进行的回顾性匹配队列研究。

资料来源:使用加拿大和美国6个司法管辖区的基于社区的医疗数据。

参与者:59525名新确诊为静脉血栓栓塞且诊断后30天内使用DOAC或华法林处方的成年患者(DOAC使用者12489人,华法林使用者47036人)。

主要结局测量:包括因大出血而住院或急诊就诊,以及开始治疗90天内的全因死亡率。倾向性得分匹配和共享脆弱模型用于评估DOACvs华法林的结局调整风险比。在每个地区独立进行分析,使用Meta分析方法评估各地区的汇总风险比。

结果:59525名参与者中,1967名发生大出血(3.3%),1029名(1.7%)在平均85.2天的随访期内死亡。DOAC和华法林的大出血风险相似(汇总风险比,0.92;95% CI,0.82~1.03),总体相关性倾向于DOAC。死亡风险无差异(0.99;0.84~1.16)。各地区间、合并和不合并慢性肾病、各年龄组、男性和女性间,不存在异质性。

结论:在这项静脉血栓栓塞成年患者的分析中,与华法林相比,DOAC治疗与发生大出血或治疗90天内全因死亡风险的增加不相关。

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    2018-01-06 fusion
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    2018-10-12 gaoxiaoe
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    2018-06-20 xue8602
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