根据1995年WHO的标准,特发性心肌病是指一类原因不明的伴随心脏功能障碍的心肌疾病,在临床上分为扩张型心肌病、肥厚型心肌病、限制型心肌病、致心律失常性右室心肌病及未分类心肌病,迄今其病因和发病机制尚未完全阐明。心肌能量代谢异常和心肌收缩结构蛋白异常是特发性心肌病 According to the 1995 WHO criteria, idiopathic cardiomyopathy refers to a class of unknown cardiac diseases associated with cardiac dysfunction, which are clinically classified as dilated cardiomyopathy, hypertrophic cardiomyopathy, restrictive cardiomyopathy, arrhythmia Right ventricular cardiomyopathy and unclassified cardiomyopathy, so far the etiology and pathogenesis has not been fully elucidated. Abnormal myocardial energy metabolism and myocardial contractile structural abnormalities are idiopathic cardiomyopathy