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缺血预适应对初发急性心肌梗死的影响 被引量:1

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摘要 目的观察初发急性心肌梗死(AMI)病前48h内的心绞痛发作对AMI临床及近期(病后4周内)预后的影响。方法选择120例初发AMI患者的临床资料进行分析,根据发病前48h内有无心绞痛发作分为缺血预适应(IP)组(n=54)和无缺血预适应(NIP)组(n=66),对比两组严重心律失常、心源性休克、左心衰竭、近期病死率及心梗范围、心肌酶(CK-MB)峰值。结果IP组临床及近期预后较好,其严重心律失常、心源性休克、左心衰竭者占40.74%,明显低于NIP组的63.63%(χ2=6.987,P<0.01);近期(4周内)病死率IP组7.41%,低于NIP组的9.09%;IP组梗死范围较大者发生率14.81%,明显低于NIP组的36.36%(χ2=7.052,P<0.01)。IP组心肌酶(CK-MB)峰值低于NIP组(t=2.397,P<0.025)。结论缺血预适应可缩小初发AMI的范围,减少严重心律失常、心源性休克、左心衰竭发生率,降低心肌酶峰值,对心肌具有显著的保护作用。
出处 《中外医疗》 2008年第12期21-22,共2页 China & Foreign Medical Treatment
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参考文献8

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