糖尿病坏疽大多发生于中老年人；男多于女，男女之比为3∶2；糖尿病病程平均约10年，坏疽部位下肢多见，占92.5%，上肢少见，约占7.5%；单侧发病约占80%，双侧同时发病约占20%；足趾和足底同时坏疽的多见，占77.5%；足趾和小腿同时坏疽占5%，仅小腿坏疽占5%；足趾或手指发病占 12.5%。
注：阴疽泛指淋巴结结核，血栓闭塞性脉管炎，动脉硬化闭塞症，糖尿病坏疽。
Note: Yin ju refers to lymph node tuberculosis gangrene, thromboangiitis obliterans, arteriosclerosis obliterans, diabetic gangrene.
目的了解糖尿病足坏疽病人自身防护意识及健康教育需求，为健康指导提供依据。
Objective to understand the need of health education and self-protection consciousness of patients with diabetic gangrene, to providing basis for health guiding.
目的：探讨老年重症糖尿病足坏疽截肢的围手术期治疗方法。
Objective: To discuss the perioperative management of amputation for the serious gangrene of foot in senile diabetic patients.
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