糖尿病性心肌病是糖尿病患者在糖、蛋白质、脂类代谢紊乱基础上合并的心肌病变 ,它以能量代谢紊乱为基础 ,由钙超负荷、心肌电生理改变、局部激素作用激活、肌球蛋白同工酶变化等相互作用 ,最终演变为以收缩和舒张功能缺陷为表现的一种糖尿病慢性并发症 Diabetic cardiomyopathy is a type of cardiomyopathy in diabetes mellitus which is based on the disorder of glucose, protein and lipid metabolism. It is based on energy metabolism disorders and is characterized by calcium overload, electrophysiological changes of myocardium, activation of local hormones, Enzyme changes and other interactions, and eventually evolves into a contraction and diastolic dysfunction as a manifestation of chronic complications of diabetes