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目的分析冠状动脉前降支中段闭塞和aVL导联T波改变的相关性。方法回顾性分析2017年3月至2019年3月间在锦州医科大学附属第一医院行冠状动脉造影的急性冠脉综合征(ACS)患者124例
患者年龄45-79岁
男性89例
女性35例。查阅原始病例
筛选患者造影术前最后一张心电图
按aVL导联T波形态将患者分成非倒置组(n=74)和倒置组(n=50)
调阅患者的冠脉造影报告和存储影像
记录患者冠状动脉不同闭塞状况。采集患者的病史及检验结果等。结果 T波倒置组患者饮酒史比例低于对照组
差异有统计学意义(p<0.05)
两组患者性别、血压、心率、年龄、血糖、血脂、肌酐、血红蛋白含量及高血压、糖尿病史均无显著差异(p>0.05);T波非倒置组患者前降支中段狭窄程度低于T波倒置组
右冠脉远端狭窄程度高于T波倒置组
差异有统计学意义(p<0.05);右冠脉远端狭窄是aVL导联T波倒置独立保护因素
前降支中段血管狭窄是aVL导联T波倒置独立危险因素(p<0.05)。结论急性冠脉综合征患者aVL导联T波倒置与前降支中段闭塞独立相关
上述心电图改变提示可能存在前降支中段闭塞。
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