Am Heart J:行PCI后的STEMI患者:替格瑞洛vs氯吡格雷对血小板功能的影响

2017-11-16 王淳 环球医学

2017年10月,发表在《Am Heart J》的一项由加拿大科学家进行的研究,考察了替格瑞洛vs氯吡格雷对溶栓治疗ST段抬高型心肌梗死(STEMI)患者行早期PCI后血小板功能的影响。

2017年10月,发表在《Am Heart J》的一项由加拿大科学家进行的研究,考察了替格瑞洛vs氯吡格雷对溶栓治疗ST段抬高型心肌梗死(STEMI)患者行早期PCI后血小板功能的影响。

目的:溶栓治疗后行早期PCI的患者存在较高的血栓和出血风险。研究人员试图评估替格瑞洛vs氯吡格雷对溶栓治疗STEMI患者行早期PCI后血小板功能的药效学影响。

方法和结果:替奈普酶(TNK)、阿司匹林和氯吡格雷治疗STEMI后24 h内行PCI的患者被随机分配至接受额外的氯吡格雷300 mg随后每日75 mg或替格瑞洛180 mg随后每日2次90 mg。在研究药物给药前(基线)以及行PCI后4 h和24 h时,采用VerifyNow分析法检测血小板反应性单位。主要终点是PCI后4 h时PRU≤208。共有140名患者(替格瑞洛组74名,氯吡格雷组66名)被纳入。2组基线PRU值是相似的(257.8 ± 52.9 vs 259.5 ± 56.7,P = 0.85)。行PCI后,替格瑞洛组患者同氯吡格雷组患者相比,4 h(78.7 ± 88 vs 193.6 ± 86.5,P<0.001)和24 h(34.5 ± 35.0 and 153.5 ± 75.5,P<0.001)时具有显着较低的PRU。替格瑞洛组患者中有87.8%(n=65)观察到主要终点,相比而言氯吡格雷组有57.6%(n=38),P<0.001。

结论:溶栓治疗STEMI患者在溶栓时接受氯吡格雷和阿司匹林和行早期PCI常常出现PRU>208。在高风险人群中,替格瑞洛比氯吡格雷能提供更及时更有效的血小板抑制作用。

原始出处:

Dehghani P, Lavoie A, Lavi S, et al. Effects of ticagrelor versus clopidogrel on platelet function in fibrinolytic-treated STEMI patients undergoing early PCI. Am Heart J. 2017 Oct;192:105-112. doi: 10.1016/j.ahj.2017.07.013. Epub 2017 Jul 20.

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    2017-11-18 zhaojie88
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    2017-11-18 heli0118
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    2017-11-18 slcumt

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