家族性扩张性心肌病(IDC)自1949年首次报道,直到1967年才对扩张性、肥厚性、限制性心肌病有一个较清楚的概念。早期的病例报道主要基于临床发病、胸片、心电图、血管造影或尸体解剖,还不能对家族性心肌病分类。通常认为原发性扩张性心肌病是一种散发的、非遗传性疾病。有关家族性心肌病的报道不多,作者对6例原发性扩张性心肌病的家庭进行了研究,结果表明: Familial dilated cardiomyopathy (IDC) was first reported in 1949 and did not have a clearer concept of dilatation, hypertrophy, and restrictive cardiomyopathy until 1967. Early case reports were based on clinical findings, chest radiographs, electrocardiograms, angiography, or autopsy and failed to classify familial cardiomyopathy. It is generally accepted that idiopathic dilated cardiomyopathy is a sporadic, non-hereditary disease. The report of familial cardiomyopathy is not much, the author of 6 cases of primary dilated cardiomyopathy family were studied, the results showed that: