Circulation:替卡格雷与氯吡格雷在治疗具有下肢血运重建史的外周动脉疾病患者中疗效比较

2017-06-09 xuyihan MedSci原创

在具有肢体血运重建史,同时伴有症状的外周动脉疾病患者中,专家对其所需的抗血栓长期治疗方案还没有定论。近期,杜克大学(DUKE University)医学中心筛选了患有外周血管疾病的13885名患者进行EUCLID实验,目的是调查患有外周血管疾病的患者中替卡雷格的使用情况。

在具有肢体血运重建史,同时伴有症状的外周动脉疾病患者中,专家对其所需的抗血栓长期治疗方案还没有定论。近期,杜克大学(DUKE University)医学中心筛选了患有外周血管疾病的13885名患者进行EUCLID实验,目的是调查患有外周血管疾病的患者中替卡雷格的使用情况。

实验入组条件为:患者的踝-肱关节指数≤0.80或存在下肢血运重建史;排除条件为:患者最近30天内接受过血运重建手术或是存在双重抗血小板治疗指征,最终入组患者7875名。接着随机给予患者口服替卡格雷90mg 2次/天,或是口服氯吡格雷75mg 1次/天,观察疗效(平均随访时间30个月)。当患者出现心肌梗死、缺血性中风或是大出血时停止实验。

实验结果分析如下:具有血运重建史的患者的平均年龄为66岁,其中男性患者占73%,踝-肱指数平均值为0.78。做过血运重建手术的患者与踝-肱指数异常的患者相比,心肌梗死和急性肢体缺血的发生率明显偏高,分别为(HR 1.29, 95% CI 1.08–1.55, P=0.005;HR 4.23, 95% CI 2.86–6.25, P<0.001)而替卡格雷和氯吡格雷两种药物在抗血栓的治疗结果上并没有统计学差异。

实验结果表明,存在外周动脉疾病的患者在行血运重建术后具有更高的几率发生心血管相关的并发症的风险,而抗血栓药物替卡格雷与氯吡格雷在治疗效果上并没有明显差别。

原始出处:

Demetrios Moris,et al. Ticagrelor Compared With Clopidogrel in Patients With Prior Lower Extremity Revascularization for Peripheral Artery Disease. Circulation.2017.

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