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Stroke:预防动脉粥样硬化性卒中复发:氯吡格雷联合阿司匹林VS阿司匹林

2016-10-29 MedSci MedSci原创

背景:由大动脉动脉粥样硬化引起的急性缺血性卒中患者中,预防复发性脑缺血的发生,氯吡格雷联合阿司匹林vs阿司匹林单独治疗可能更有效。然而,没有明确的证据。方法:在这项多中心、双盲、安慰剂对照试验中,研究者随机对358例疑似大动脉粥样硬化起源急性缺血性脑卒中患者,在发病48小时内服用氯吡格雷(75 mg/d无负荷剂量)联合阿司匹林(300 mg负荷剂量后100mg/d)或单用阿司匹林(300 mg/d

背景:由大动脉动脉粥样硬化引起的急性缺血性卒中患者中,预防复发性脑缺血的发生,氯吡格雷联合阿司匹林vs阿司匹林单独治疗可能更有效。然而,没有明确的证据。

方法:在这项多中心、双盲、安慰剂对照试验中,研究者随机对358例疑似大动脉粥样硬化起源急性缺血性脑卒中患者,在发病48小时内服用氯吡格雷(75 mg/d无负荷剂量)联合阿司匹林(300 mg负荷剂量后100mg/d)或单用阿司匹林(300 mg/d负荷后100 mg/d)治疗30天。主要预后为30天内磁共振成像出现新的有症状或无症状的缺血灶。次要预后为30天的功能残疾,临床卒中复发及主要血管事件复合。安全预后为任何出血。

结果:358例患者中,334例(每组167例)完成随访磁共振成像。氯吡格雷联合阿司匹林和阿司匹林单药治疗组之间的30天新的缺血性病变复发率相当(36.5% vs 35.9%;RR,1.02;95%CI,0.77-1.35;P = 0.91)。复发性缺血性病变,94.2%例临床无症状。在2组之间的次级预后无显著差异。联合组出血风险比阿司匹林单药治疗组高,但差异不显著(10.7% vs 16.7%,P = 0.11)。氯吡格雷联合阿司匹林组发生一次出血性卒中。

结论:氯吡格雷联合阿司匹林可能不优于单用阿司匹林预防大动脉动脉粥样硬化引起的急性缺血性卒中患者的新发的缺血性病变及临床血管事件。

原始出处:

Hong KS, Lee SH, et al. Recurrent Ischemic Lesions After Acute Atherothrombotic Stroke: Clopidogrel Plus Aspirin Versus Aspirin Alone. Stroke. 2016 Sep.

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