血浆凝溶胶蛋白在急性ST段抬高心肌梗死患者中的表达及意义Plasma gelsolin levels in prediction of prognosis of ST-segment elevation myocardial infarction
梁家荣,唐良秋,陈云宪,范文茂,陈宝峰,陈锦峰,刘相应,陈兆基
摘要(Abstract):
目的探讨急性ST段抬高心肌梗死(ST-segment elevation myocardial infarction,STEMI)且行急诊经皮冠状动脉介入治疗(percutaneous coronary intervention,PCI)患者的血浆凝溶胶蛋白表达水平及其对预后的影响。方法连续入选粤北人民医院2012年1月至2014年6月发生STEMI并行急诊PCI的患者206例(STEMI组),同期148例稳定型心绞痛并行择期PCI患者(稳定型心绞痛组)及80例健康志愿者(健康对照组)。分别于入院后第1、3、5、7、9天采集患者外周静脉血,采用ELISA法检测血浆凝溶胶蛋白水平;同法取健康对照组血液行相同检测。常规记录患者一般信息、相关生化检查及手术情况、心血管疾病危险指标等,随访术后1年内主要不良心血管事件(MACE)发生情况。比较各组患者血浆凝溶胶蛋白水平,分析其与STEMI的关系。对数据进行方差分析,单因素及多因素logistic回归分析。结果 (1)STEMI组分别与稳定型心绞痛组及健康对照组比较,入院后不同时相点血浆凝溶胶蛋白水平均显著下降,差异均有统计学意义(均P<0.05);而稳定型心绞痛组与健康对照组比较,差异无统计学意义(P>0.05)。(2)根据STEMI患者随访1年内预后情况分为MACE组及非MACE组,发现MACE组入院后第1、3、5、7、9天血浆凝溶胶蛋白水平[(53.2±6.8)mg/L比(70.1±11.2)mg/L,P=0.048;(40.2±7.3)mg/L比(64.3±7.8)mg/L,P=0.033;(30.9±10.0)mg/L比(57.7±13.4)mg/L,P=0.027;(22.5±8.8)mg/L比(55.6±9.2)mg/L,P=0.012;(23.3±7.4)mg/L比(69.8±12.7)mg/L,P=0.004]均显著低于非MACE组,差异均有统计学意义。且第7天血浆凝溶胶蛋白水平降至最低值。根据1年内预后情况再将MACE组患者分为死亡组及存活组。死亡组入院后第1、3天血浆凝溶胶蛋白水平与存活组比较,差异均无统计学意义(均P>0.05),第5、7、9天[(22.8±6.0)mg/L比(40.6±9.4)mg/L,P=0.034;(14.1±6.8)mg/L比(33.5±10.1)mg/L,P=0.036;(9.3±6.8)mg/L比(35.9±11.4)mg/L,P=0.007]均显著低于存活组,差异均有统计学意义。且第7天后血浆凝溶胶蛋白水平未见回升趋势。(3)单因素logistic回归分析提示第7天血浆凝溶胶蛋白水平是STEMI患者1年内发生MACE的危险因素(P=0.014)。(4)以第7天血浆凝溶胶蛋白水平=21.7 mg/L为最佳界值,预测行PCI的STEMI患者1年内发生MACE的特异度为82.1%,敏感度为81.4%,受试者工作者特征(ROC)曲线下面积为0.854(95%CI 0.732~0.961,P<0.01)。结论推测血浆凝溶胶蛋白水平与STEMI患者预后呈负相关,可作为STEMI患者预后的预测指标,能反映病情的严重程度。
关键词(KeyWords): 血浆凝溶胶蛋白;急性ST段抬高心肌梗死;经皮冠状动脉介入治疗;预后
基金项目(Foundation):
作者(Author): 梁家荣,唐良秋,陈云宪,范文茂,陈宝峰,陈锦峰,刘相应,陈兆基
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