激光心肌血运重建术围术期心肌酶学和心电图的变化Changes in myocardial enzymes and electrocardiogram before and after transmyocardial laser revescularization
屈正,叶建光,白树功,于建波,徐洁,周玲
摘要(Abstract)：
目的 了解激光心肌血运重建术 (TMLR)围术期心肌酶及心电图的变化规律和影响因素 ,评价TMLR对心肌损伤程度 ,以利防治术后早期相关并发症。方法 采用速率法测定 5 0例TMLR患者围术期心肌酶变化 ,并行标准导联心电图。结果 TMLR后 8小时心肌酶明显升高 (P <0 0 1) ,血清肌酸激酶同工酶 (CK MB) 2 4小时达峰值 (40± 2 4)IU L ,72小时恢复。 41例 (82 % )心电图部分导联出现新的ST T改变。CK MB峰值与打孔数目及激光能量无相关性 (P >0 0 5 )。心电图存在ST段升高组心肌酶与总样本比较差异无显著性 (P >0 0 5 )。结论 TMLR术后早期心肌酶学及心电图呈现一过性心肌损伤改变 ,其改变程度与打孔数目及激光能量无显著相关性 ,术后 72小时动态监测心肌酶及心电图变化有利于早期诊治围术期严重心肌损伤或急性心肌梗塞等并发症
关键词(KeyWords)： 激光心肌血运重建术;心肌酶;心电图
基金项目(Foundation):
作者(Author): 屈正,叶建光,白树功,于建波,徐洁,周玲
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