糖尿病大血管病变主要包括心、脑血管病及周围血管病即冠心病脑卒中间歇性跛行和下肢坏疽。国外报道糖尿病人群中心脑血管患病率糖尿病大血管为非糖尿病人群的2～4倍。我国情况与国外相似。关于糖尿病足坏疽国外报告为非糖尿病人群的15倍,国内这方面的资料很少,约占住院糖尿病人的3％,屡有不得已而截肢者。在美国糖尿病住院者死于心血管及脑血管病者分别 Diabetic macroangiopathy mainly include heart, cerebrovascular disease and peripheral vascular disease that is intermittent claudication of coronary heart disease and lower extremity gangrene. Foreign reports of diabetes mellitus in patients with cardiovascular disease prevalence of diabetic macrovascular non-diabetic population 2 to 4 times. Our situation is similar to that of foreign countries. About diabetic foot gangrene foreign reports of 15 times non-diabetic population, the domestic information in this area is very small, accounting for about 3% of hospitalized diabetic patients, often the last resort and amputees. Diabetes hospitalized in the United States died of cardiovascular and cerebrovascular disease were