经皮冠状动脉腔内成形术中冠状动脉内心电图的应用研究Usage of intracoronary ECG during the procedure of PTCA
沈珠军,朱文玲,黄超联,姜秀春,李燕华,韩丁
摘要(Abstract)：
目的 探讨冠状动脉内心电图（ＩＣ－ＥＣＧ）在经皮冠状动脉腔内成形术（ＰＴＣＡ）术中的应用。方法对４４例冠心病病人的５１支冠状动脉行ＰＴＣＡ时记录ＩＣ－ＥＣＧ和体表ＥＣＧ，分析心绞痛组、心肌梗塞溶栓再通组、溶栓未通组ＩＣ－ＥＣＧ的缺血性心电图改变情况，并与体表监护导联ＥＣＧ相比较。结果９６．１％的血管行球囊扩张时ＩＣ－ＥＣＧ有缺血性改变；心绞痛组、心肌梗塞溶栓再通组及溶栓未通组的ＩＣ－ＥＣＧ的ＳＴ段上移程度有明显差别。结论ＩＣ－ＥＣＧ比体表ＥＣＧ在反映心肌缺血方面更敏感，ＰＴ－ＣＡ时ＩＣ－ＥＣＧ的ＳＴ段变化能一定程度地反映残余心肌的成活情况。
关键词(KeyWords)： 经皮冠状动脉腔内成形术; 冠状动脉内心电图; 心肌成活性
基金项目(Foundation):
作者(Author): 沈珠军,朱文玲,黄超联,姜秀春,李燕华,韩丁
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