老年人急性心肌梗死之临床特点

目的 本文研究65岁以上老年人急性心肌梗死（AMI）的临床特点。方法 对132例65岁以上老年AMI进行临床分析，并与同期145例65岁以下AMI病人进行对比。结果 老年人AMI病人无胸痛或胸痛不典型明显多于非老年组，血流动力学受损的体征和并发症、泵衰竭及室上性心律失常及病死率显著高于非老年组，而梗死的范围、死亡原因两组间差异无显著意义。结论 老年人无痛性AMI多见，病情程度重，并发症多，病死率高。

Analysis of clinical features in senile acute myocardial infarction

Objective To study the clinical features of acute myocardial infarction(AMI) in seniors over the age of 65.Methods 132 cases of seniors over the age of 65 with AMI were analyzed.The clinical features were compared with 145 patients with AMI under the age of 65 in the corresponding period.Results The painless myocardial infarction,the signs and the complications of impaired hemodynamics,the pump failure,the supraventricar arrhythmia and the mortality in senile AMI group were higher than in non-senile group.The infarct size and the death reasons were not obviously different between the two groups.Conclusion It is common for senile group to have painless AMI,more severe illness conditions,more frequent complications and higher mortality.