利伐沙班出血风险的Meta分析

Meta-Analysis of Rivaroxaban and Bleeding Risk
2013-08-09 17:29点击:1143次发表评论
作者:Wasserlauf G, Grandi SM, Filion KB, Eisenberg MJ.
期刊: AM J CARDIOL2013年8月3期112卷

Rivaroxaban, a factor Xa inhibitor, is a new oral anticoagulant that has been developed as an alternative to vitamin K antagonists. However, its safety remains unclear. Reported randomized controlled trials comparing the safety of rivaroxaban with that of vitamin K antagonists (warfarin, acenocoumarol, phenprocoumon, and fluindione) were systematically searched. Inclusion was restricted to studies of ≥30 days' treatment duration. Safety end points examined included major and clinically relevant nonmajor bleeding, as well as mortality. Data were pooled across randomized controlled trials using random-effects meta-analysis models. Five randomized controlled trials including 23,063 patients that met the inclusion criteria were identified. Patients received treatment for nonvalvular atrial fibrillation (n = 14,264), deep vein thrombosis (n = 3,967), or acute symptomatic pulmonary embolism (n = 4,832). Overall, rivaroxaban was not associated with the risk of a composite end point of major or clinically relevant nonmajor bleeding (relative risk 0.99, 95% confidence interval 0.93 to 1.06). However, rivaroxaban was associated with a significant decrease in fatalbleeding (relative risk 0.48, 95% confidence interval 0.31 to 0.74). In 2 studies reporting intracranial bleeding events, rivaroxaban was associated with decreased risk compared with vitamin K antagonists. It was not associated with decreased risk for all-cause mortality (relative risk 0.89, 95% confidence interval 0.73 to 1.09). In conclusion, with a decrease in fatal bleeding and no suggestion of an increase in all-cause mortality, rivaroxabanhas a favorable safety profile with respect to bleeding.

学科代码:心血管病学   关键词:rivaroxaban bleeding risk.
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