JAHA:OSA对接受双重抗血小板治疗的ACS患者血小板功能特征的影响

2018-07-25 xing.T MedSci原创

由此可见,在接受双重抗血小板治疗的ACS患者中,OSA与血小板体积指数水平升高、氯吡格雷诱导的抗血小板效应降低以及高残留血小板反应性的较高发生率相关。

阻塞性睡眠呼吸暂停(OSA)是急性冠状动脉综合征(ACS)新的危险因素。一些研究表明OSA与诱导的血小板反应性有关。然而,OSA是否对接受双重抗血小板治疗的ACS患者血小板功能特征有影响仍未得到证实。

近日,心血管疾病领域权威杂志JAHA上发表了一篇研究文章,这是一项横断面观察性研究,其中纳入了服用阿司匹林和氯吡格雷治疗的ACS患者。OSA定义为呼吸暂停-低通气指数≥15次事件/小时。研究人员采用血栓弹性描记法评估花生四烯酸或二磷酸腺苷通路的抑制率,并确定了具有高残留血小板反应性的患者。通过自动血细胞计数器从血液样品的常规分析中获得血小板指数。

研究人员共分析了127名接受双重抗血小板治疗的ACS患者。OSA患者血小板体积指数(包括平均血小板体积和血小板大细胞比率)显著增加。相比于无OSA的患者(n=59),OSA患者(n=68)对二磷酸腺苷受体通路的抑制率显著降低(P=0.028)。在调整潜在的混杂因素后,OSA患者在接受氯吡格雷治疗后更有可能具有高残留血小板反应性(校正后的比值比为3.25,95%置信区间为1.19-8.87,P=0.021)。

由此可见,在接受双重抗血小板治疗的ACS患者中,OSA与血小板体积指数水平升高、氯吡格雷诱导的抗血小板效应降低以及高残留血小板反应性的较高发生率相关。

原始出处:

Wei Gong  Xiao.et al. Impact of Obstructive Sleep Apnea on Platelet Function Profiles in Patients With Acute Coronary Syndrome Taking Dual Antiplatelet Therapy.JAHA.2018. https://www.ahajournals.org/doi/full/10.1161/JAHA.118.008808

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    2018-07-27 zhaohui6731
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    2018-07-27 yaanren
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    2018-07-27 bioon3
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