梗塞前心绞痛在急性心肌梗塞中的临床意义
王政华,杨新春,胡大一,崔亮,顼志敏
摘要(Abstract):
为探讨梗塞前心绞痛对急性心肌梗塞的影响,本文对79例急性心肌梗塞病例按有无梗塞前心绞痛分为二组。两组间性别、年龄及冠状动脉病变程度无显著性差异(P>0.05)。有梗塞前心绞痛组心肌酶峰值浓度低,左室射血分数及局部室壁运动较好,组间有显著性差异(P<0.01),有梗塞前心绞痛组室壁瘤及急性左心功能不全发生率显著低于无梗塞前心绞痛组(P<0.05),且有梗塞前心绞痛组内存在侧支循环者心肌酶峰值明显减低(P<0.05)。结果显示有梗塞前心绞痛者心肌坏死、损伤程度较轻,左心功能保存较好,并发症发生率较低,提示有心肌缺血预适应的参与,侧支循环有增强心肌保护作用的征象。
关键词(KeyWords): 梗塞前心绞痛;心肌缺血预适应;心肌酶
基金项目(Foundation):
作者(Author): 王政华,杨新春,胡大一,崔亮,顼志敏
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