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我院1980～1986年来门诊检查91308例的心电图中,确诊慢性束支传导阻滞者3171例,现作流行学分析,并对其中住院患者60例进行病因及预后探讨。心电图检查91308例中,束支传导阻滞发生率为3.47%,类型中以完右阻滞、不完右阻滞及左前分支阻滞最多。男女比为2.46:1,45岁以上的中老年人束支传导阻滞发生率最高占70.5%。主要病因为冠心病、高血压冠心病,次为心肌病。住院患者60例出院后随访1～6年,死亡6例,死亡率为10%。伴症状的双束支传导阻滞及三束支传导阻滞者应安起搏器。
Our hospital from 1980 to 1986 outpatient examination 91308 cases of electrocardiogram, diagnosed 3171 cases of chronic bundle branch block, epidemiological analysis for the time being, and in which 60 cases were hospitalized for etiology and prognosis. Electrocardiographic examination 91308 cases, the incidence of bundle branch block was 3.47%, type right to right block, incomplete right block and left anterior branch block the most. Male to female ratio was 2.46: The prevalence rate of bundle branch block in middle-aged and elderly people over the age of 55 was 70.5%. The main cause of coronary heart disease, coronary heart disease, secondary to cardiomyopathy. 60 hospitalized patients were followed up for 1 to 6 years after discharge, 6 died, the mortality rate was 10%. Symptoms of double bundle branch block and three bundle branch block should be pacemaker.