Circulation:心血管疾病患者采用阿司匹林抗凝的最适持续时间

2020-06-04 QQY MedSci原创

AUGUSTUS试验显示,房颤、近期发生过急性冠脉综合征和经皮冠状动脉介入治疗的患者采用阿哌沙班治疗的出血事件少于采用维生素K拮抗剂(VKA),安慰剂处理的少于服用阿司匹林的。但安慰剂组的缺血事件量明

AUGUSTUS试验显示,房颤、近期发生过急性冠脉综合征和经皮冠状动脉介入治疗的患者采用阿哌沙班治疗的出血事件少于采用维生素K拮抗剂(VKA),安慰剂处理的少于服用阿司匹林的。但安慰剂组的缺血事件量明显增多。本次分析旨在评估阿哌沙班 vs VKA和阿司匹林 vs 安慰剂之间的风险(出血)和获益(缺血事件)之间的平衡。

AUGUSTUS试验共纳入了4614位房颤和近期急性冠脉综合征或接受P2Y12抑制剂的经皮冠状动脉介入治疗的患者,随机分至阿司匹林或安慰剂组(盲分)和阿哌沙班或VKA组(明分)治疗6个月。在事后分析中,研究人员对比了各组从随机分组-30天和30天-6个月的3个复合出血结局和3个复合缺血结局的风险。

与VKA相比,从随机分组-30天以及从30天-6个月,阿哌沙班组患者的出血和局部缺血结局的风险较低或相近。与安慰剂组相比,从随机分组到30天,阿司匹林引起了较为严重的出血和较少的重度缺血事件。从30天到6个月,阿司匹林治疗的严重出血风险高于安慰剂组,而重度缺血事件风险相近。

对于患有房颤和近期急性冠状动脉综合征或接受P2Y12抑制剂的经皮冠状动脉介入治疗的患者,阿哌沙班的疗效和安全性均优于VKA。从一开始就使用阿司匹林(最多30天)可在重度出血增加与重度缺血事件减少之间取得适合的折衷。使用阿司匹林超过30天,出血风险会进一步增加,但缺血事件未进一步减少。本研究结果为急性冠状动脉综合征或接受口服抗凝药治疗的房颤患者经皮冠状动脉介入治疗后阿司匹林使用的最适持续时间提供了以患者为中心的决策指导。

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    2020-06-06 zhwj
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    2020-06-04 天地飞扬

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