Stroke: 亚洲房颤患者使用标准和低剂量非维生素K口服抗凝剂后的结果分析

2019-01-13 MedSci MedSci原创

对于非维生素K拮抗剂口服抗凝剂(NOACs)在治疗东亚患者中非瓣膜性心房颤动的相对有效性,安全性和最佳剂量目前还没有文献进行报道。因此,本项研究旨在尝试比较该人群中标准剂量和低剂量NOAC的有效性和安全性

背景和目的
对于非维生素K拮抗剂口服抗凝剂(NOACs)在治疗东亚患者中非瓣膜性心房颤动的相对有效性,安全性和最佳剂量目前还没有文献进行报道。因此,本项研究旨在尝试比较该人群中标准剂量和低剂量NOAC的有效性和安全性。

方法
研究人员调查了来自韩国国家健康保险服务数据库(2015年7月1日至2016年12月31日)间共56 504例抗凝非原发性非瓣膜性心房颤动患者的临床数据,具有高血栓栓塞风险(CHA 2 DS 2 - VASc评分,≥2)患者均用口服抗凝剂治疗。主要研究结果包括血栓栓塞事件(缺血性卒中或全身性栓塞),大出血和死亡率。

结果
在本项研究中,10 409(18.4%)接受华法林治疗,46 095(81.6%)接受NOAC治疗:达比加群(n = 12 593; 22.3%),利伐沙班(n = 21 000; 37.2%)和阿哌沙班( n = 12 502; 22.1%)。与标准剂量NOAC相比,低剂量NOAC(75.1%达比加群,59.7%利伐沙班和62.7%阿哌沙班)的使用频率更高。在15.0个月的中位随访期间,NOAC与血栓栓塞事件的风险显着降低相关。关于安全性结果,达比加群(HR,0.81; CI,0.69-0.95)和阿哌沙班(HR,0.67; CI,0.56-0.79)与较大的出血风险相关,但与利伐沙班无关(HR,0.96; CI,0.84- 1.11)。

结论
本项研究结果表明与华法林相比,NOAC有更高的有效性和安全性。

原始出处:

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Stroke: 非瓣膜性心房颤动患者口服抗凝剂的有效性和安全性研究

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