总结近些年最新的研究,发现与糖尿病心肌损伤有关的病变主要有5种〔1,2〕:①心肌微血管病变,表现为内皮细胞增生变性、基底膜增厚和微动脉瘤形成;②冠状动脉内膜及内膜下纤维性增生,管壁内外均可见多糖类物质沉积和透明样变性增厚,可见粥样硬化;③心肌肥大,弥漫性心肌纤维化;④ Sum up the latest research in recent years and found that there are five kinds of lesions associated with diabetic myocardial injury [1,2]: ① myocardial microvascular disease, manifested as endothelial cell proliferation, thickening of the basement membrane and the formation of aneurysm; ② coronary Arterial intimal and sub-fibrous fibrosis, both inside and outside the wall can be seen polysaccharide deposition and transparent degeneration thickening, showing atherosclerosis; ③ hypertrophy, diffuse myocardial fibrosis; ④