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目的探讨心肌缺血预适应对心肌梗死近期预后的影响。方法回顾分析239例急性心肌梗死患者的临床资料,根据有无梗死前心绞痛进行分组对比分析。结果心绞痛组多部位梗死、肌酸磷酸激酶峰值、泵衰竭发生率、住院病死率均明显低于对照组。结论梗死前心绞痛对AMI后梗死心肌具有保护作用,可降低泵衰竭发生率和住院病死率。
Objective To investigate the effect of myocardial ischemic preconditioning on the short-term prognosis of myocardial infarction. Methods Retrospective analysis of 239 cases of acute myocardial infarction in patients with clinical data, according to the presence or absence of pre-infarction angioplasty group comparative analysis. Results In angina pectoris group, infarction in multiple sites, peak of creatine phosphokinase, incidence of pump failure and in-hospital mortality were significantly lower than those in control group. Conclusion Preinfarction angina has a protective effect on myocardial infarction after AMI, which can reduce the incidence of pump failure and hospital mortality.