冠心病是冠状动脉粥样硬化引起的心脏病。糖尿病是一种全身代谢性疾病,这两类分属不同专科的疾病,可能由共同的病因所引起,且两者的主要危险因素有明确的相关性。有糖尿病但无冠心病的患者与无糖尿病但己发生心脏事件患者.其后心脏事件的发生率和病死率相仿,且糖尿病患者中有60%～80%最终死于心血管疾病,糖尿病 Coronary heart disease is a heart disease caused by coronary atherosclerosis. Diabetes mellitus is a systemic metabolic disease. The two types of diseases that belong to different specialties may be caused by a common etiology, and there is a clear correlation between the two major risk factors. Patients with diabetes but no coronary disease and those without diabetes who had had a cardiac event subsequently had a similar incidence and mortality as those with diabetes, and 60% to 80% of those with diabetes eventually die of cardiovascular disease, diabetes