CHEST:直接口服抗凝剂或华法林相关大出血相关研究

2017-02-25 MedSci MedSci原创

直接口服抗凝剂(DOAC)已经成为抗血栓形成治疗手段之一。近期,一项发表在杂志CHEST上的研究进行了一项有关口服抗凝剂及华法林的相关试验。研究者们招集了2010年10月至2015年3月的≥66岁的出血患者,并筛选出了与DOAC或华法林使用相关的病例。合格病例与行政数据库相关联。研究结果显示:在筛选的19,061个记录中,2,002例(460个DOAC,1542个华法林)符合条件。华法林出血(72

直接口服抗凝剂(DOAC)已经成为抗血栓形成治疗手段之一。

近期,一项发表在杂志CHEST上的研究进行了一项有关口服抗凝剂及华法林的相关试验。

研究者们招集了2010年10月至2015年3月的≥66岁的出血患者,并筛选出了与DOAC或华法林使用相关的病例。合格病例与行政数据库相关联。

研究结果显示:在筛选的19,061个记录中,2,002例(460个DOAC,1542个华法林)符合条件。华法林出血(72.9%维生素K,40.7%凝血酶原复合物浓缩物)中经常使用拮抗剂。与华法林出血相比,输入红细胞更常应用在DOAC出血中(52.0%比39.5%,调整的相对危险度[aRR] 1.32 [95%CI 1.19-2.47])。然而,输入血液制品的剂量在两组之间没有差异。

 34例DOAC病例(7.4%)接受了活化的凝血酶原复合物浓缩物或重组因子VIIa。虽然两组间30天死亡率的差异没有统计学显着性差异(12.6%对16.3%,aRR 0.79 [95%CI 0.61 - 1.03]) ,但是DOAC出血后的院内死亡率较低(9.8%对比15.2%,aRR 0.66 [95%CI 0.49-0.89]。

此研究表明:DOAC相关出血的院内死亡率较低。这些发现支持DOAC在日常护理中的安全性。

原始出处:
Xu Y, Schulman S, et al. Direct oral anticoagulant- or warfarin-related major bleeding: characteristics, reversal strategies and outcomes from a multi-center observational study. Chest. 2017 Feb 17. pii: S0012-3692(17)30212-X. doi: 10.1016/j.chest.2017.02.009. 

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    2018-02-07 Smile2680
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    2017-02-27 cmsvly
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