徐红强;王艳玲;王锐;

• 1:新乡市第一人民医院新乡医学院第五临床学院

摘要(Abstract)：

目的探讨急性脑梗死患者基因多态性对氯吡格雷疗效及终点事件的影响。方法选取2016-06—2017-06新乡市第一人民医院神经内科收治的急性脑梗死患者418例。口服氯吡格雷5 d后抽取外周肘静脉血,血栓弹力图仪测定血小板抑制率。采用改良多重高温连接酶检测反应技术(iMLDR)对患者CYP2C19与ABCBl基因多态性进行分型。出院后进行24个月的随访,记录主要终点事件发生类别及时间。结果根据CYP2C19*2/*3快速代谢型、中间代谢型、慢代谢型的血小板抑制率之间,以及ABCBl C3435T不同基因型之间差异均有统计学意义(P<0.01);而ABCBlT(-620)C不同基因型的血小板抑制率之间差异无统计学意义(P>0.05)。校正可能的混杂因素后,进行多元线性回归分析显示,CYP2C19*2/*3、ABCBl C3435T是血小板抑制率的独立影响因素;同时还发现体重指数(BMI)>26 kg/m²也是血小板抑制率的独立影响因素。共382例患者完成随访研究,终点事件发生率为13.61%(52/382),其中缺血性脑卒中复发36例(9.42%),心肌梗死4例(1.05%),血管性死亡12例(3.14%)。根据是否携带CYP2C19*2/*3基因分为2组,生存分析Log-Rank检验显示差异有统计意义(P<0.05);而ABCBlT(-620)C、ABCBl C3435T基因的显性与阴性患者生存曲线间差异无统计学意义(P>0.05)。多因素Cox回归分析显示,CYP2C19*2/*3基因携带是临床终点时间的独立危险因素;同时年龄也是临床终点时间的独立危险因素。结论携带CYP2C19*2/*3、ABCBl C3435T等位基因的急性脑梗死患者氯吡格雷疗效降低,其中携带CYP2C19*2/*3等位基因的患者终点事件风险增高。

关键词(KeyWords)： 急性脑梗死;氯吡格雷;基因多态性;血栓弹力图

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 徐红强;王艳玲;王锐;

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