BMJ:≥75岁应慎用新型口服抗凝药

2015-05-23 MedSci MedSci原创

近期Abraham NS等人通过Optum Labs Data数据库进行了一项基于人群的回顾性、倾向匹配的队列研究,探究新型口服抗凝药物达比加群(dabigatran)、利伐沙班(rivaroxaban)与华法林(Warfarin)相比其胃肠道出血风险。参与者从2010年11月1日至2013年9月30日使用达比加群(dabigatran)、利伐沙班(rivaroxaban)与华法林(Warfari

近期Abraham NS等人通过Optum Labs Data数据库进行了一项基于人群的回顾性、倾向匹配的队列研究,探究新型口服抗凝药物达比加群(dabigatran)、利伐沙班(rivaroxaban)与华法林(Warfarin)相比其胃肠道出血风险。参与者从2010年11月1日至2013年9月30日使用达比加群(dabigatran)、利伐沙班(rivaroxaban)与华法林(Warfarin)。

研究结果显示,对于有房颤的病人使用达比加群(dabigatran)的人群消化道出血的发生率为2.29 (95% CI 1.88 to 2.79) /100病人年,使用华法林(Warfarin)该数据为2.87 (2.41 to 3.41) /100病人年;对于没有房颤的人群,使用达比加群(dabigatran)的人群消化道出血的发生率为4.10 (2.47 to 6.80) /100病人年,使用华法林(Warfarin)该数据为3.71 (2.16 to 6.40) /100病人年。使用利伐沙班(rivaroxaban)有房颤的病人消化道出血的发生率为2.84 (2.30 to 3.52) /100病人年,使用华法林(Warfarin)该数据为3.06 (2.49 to 3.77)/100病人年;利伐沙班(rivaroxaban)对没有房颤的使用者消化道出血发生率为1.66 (1.23 to 2.24) /100病人年,使用华法林(Warfarin)该数据为1.57 (1.25 to 1.99)/100病人年。

同倾向得分匹配模型分析后显示,对于房颤病人使用新型口服抗凝药物与华法林其消化道出血风险无显著性统计学差异(dabigatran v warfarin, HR 0.79 (0.61 to 1.03); rivaroxaban v warfarin, 0.93 (0.69 to 1.25));对于没有房颤的病人,新型口服抗凝药物与华法林对消化道出血事件的影响仍没有统计学差异(dabigatran v warfarin, HR 1.14 (0.54 to 2.39); rivaroxaban v warfarin, 0.89 (0.60 to 1.32))。

不过研究者发现,对于年龄在65岁以上的人群,消化道出血风险增加,到76岁的时候,使用达比加群(dabigatran)的房颤患者其消化道出血风险将会超越使用华法林(Warfarin)的人群(HR 2.49 (1.61 to 3.83));同时不管有没有房颤,使用利伐沙班(rivaroxaban)的患者其消化道出血风险也会超过使用华法林(Warfarin)的人群(AF:2.91 (1.65 to 4.81)、non-AF:4.58 (2.40 to 8.72))。

研究结果表明,新型口服抗凝药物达比加群(dabigatran)和利伐沙班(rivaroxaban)对消化道出血风险影响与华法林(Warfarin)类似,没有统计学差异。不过临床上对于年龄大于75岁的老年人应谨慎使用新型口服抗凝药物。
 
原始出处:

Abraham NS, Singh S, Alexander GC, Heien H, Haas LR, Crown W, Shah ND: Comparative risk of gastrointestinal bleeding with dabigatran, rivaroxaban, and warfarin: population based cohort study, BMJ. vol. 350; 2015.

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    2016-04-09 gaoxiaoe
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    2015-05-25 huaxipanxing

    看看

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    2015-05-24 1dd7b2bem83(暂无匿称)

    凝血与抗凝

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    2015-05-24 jasonuclear

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