糖尿病肢端坏疽是糖尿病严重的并发症之一 ,大多发生于足部 ,故又称糖尿病足。国外报道 70 %以上需行外科手术 ,其中 40 %以上施行趾或肢截除术。全世界每年在糖尿病患者中 ,大约有 5 5 0 0 0例做下肢截肢术[1] 糖尿病足部疾病是造成患者住院、致残、致死的重要原因 ,严重威胁? Acromegaly diabetic gangrene is one of the serious complications of diabetes, mostly occurs in the foot, it is also known as diabetic foot. More than 70% of foreign reports require surgery, of which more than 40% implementation of toe or limb amputation. Approximately 55 000 diabetics worldwide each year make lower extremity amputation [1] Diabetic foot disease is a major cause of hospitalization, disability and lethality, and is a serious threat to patients.