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JACC:经皮冠状动脉介入治疗术后抗血小板治疗的方案及时长

2022-08-19 MedSci原创 MedSci原创

与DAPT治疗≥3个月相比,DAPT治疗1个月的NACE或MACE事件风险相近,但MCB发生率更低

经皮冠状动脉介入治疗术是一种常见的治疗手段,很多患者在治疗后都要采取双联抗血小板治疗。但是,很多患者经皮冠状动脉介入治疗后不坚持抗血小板治疗,甚至在临床试验中。

该研究的目的是调查不遵守研究方案对MASTER DAPT(缩短DAPT方案与延长DAPT方案对生物可吸收聚合物涂层支架植入后高危出血患者的管理)试验结果的影响。


研究流程

在MASTER DAPT试验中,4579位PCI后一个月高出血风险的患者被随机分至单药抗血小板治疗(SAPT)11个月(或口服抗凝药5个月[OAC])或双联抗血小板治疗(DAPT)≥2个月继以SAPT。主要终点包括335天内的净不良临床事件 (NACE)、主要不良心脑事件 (MACE)和主要或临床相关非大出血(MCB)。


各组各项主要终点事件的风险比

总体上,缩短治疗组和标准治疗组分别有464位(20.2%)和214位(9.4%)患者不依从医嘱服药。在反比审查权重分析中,两治疗组的NACE(HR 1.01)和MACE(HR 1.07)的发生情况无明显差异;缩短治疗组的MCB发生率低于标准治疗组(HR 0.51),在OAC亚组中也是如此。在OAC患者中,与PCI后6个月继续SAPT治疗相比,停止SAPT治疗与相似的MACE和更低的MCB(HR 0.47)发生率相关。

综上,在MASTER DAPT试验人群中,与DAPT治疗≥3个月相比,DAPT治疗1个月的NACE或MACE事件风险相近,但MCB发生率更低。在OAC患者中,与PCI 6个月后继续SAPT治疗相比,PCI 6个月后停止SAPT治疗的NACE或MACE事件风险相似,但MCB发生率也更低。

 

原始出处:

Valgimigli M, Frigoli E, Vranckx P, et al. Impact of Medication Nonadherence in a Clinical Trial of Dual Antiplatelet Therapy. J Am Coll Cardiol. 2022 Aug, 80 (8) 766–778. https://doi.org/10.1016/j.jacc.2022.04.065

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    2023-02-14 hbwxf
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