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目的研究探讨束支传导阻滞对急性心肌梗死患者的预后影响。方法 35例单纯急性心肌梗死患者,设定为A组。15例急性心肌梗死合并束支传导阻滞患者,设定为B组。两组患者均接受相应治疗,对Killip分级与死亡率进行比较。结果 A组患者大于Ⅱ级患者率为11.4%,B组患者大于Ⅱ级患者率为80.0%,A组患者心功能明显强于B组患者,经统计学分析,差异具有统计学意义(χ2=94.82,P<0.01)。A组患者死亡率为5.7%,B组患者死亡率为66.7%,A组患者死亡率明显低于B组患者,经统计学分析,差异具有统计学意义(χ2=66.7,P<0.01)。结论束支传导阻滞影响急性心肌梗死患者的预后,增加了患者的Killip分级与死亡率。
Objective To study the prognosis of patients with acute myocardial infarction by bundle branch block. Methods 35 patients with simple acute myocardial infarction, set to A group. Fifteen patients with acute myocardial infarction with bundle branch block were assigned to Group B. Both groups received appropriate treatment to compare Killip grade with mortality. Results The rate of patients with more than grade Ⅱ in group A was 11.4%, the rate of patients with more than grade Ⅱ in group B was 80.0%. The cardiac function in group A was significantly stronger than that in group B. The statistical difference was statistically significant (χ2 = 94.82, P <0.01). The mortality rate in group A was 5.7%, in group B was 66.7%. The mortality in group A was significantly lower than that in group B. The difference was statistically significant (χ2 = 66.7, P <0.01). Conclusion Bundle branch block affects the prognosis of patients with acute myocardial infarction and increases the Killip grade and mortality of patients.