糖尿病足是糖尿病较为严重的慢性并发症,其定义是与局部神经异常和下肢远端外周血管病变相关的足部感染、溃疡和(或)深层组织破坏。在老年人群中发病率较高,治疗费用巨大,是糖尿病致残的主要原因。糖尿病足的发生与以下方面有关⑴血管、神经病变;⑵生物力学异常;⑶下肢溃疡形成及感染;⑷个体防护措施失当等因素有关。其中缺血、神经病变、感染是最主要的三大因素,这三大因素在糖尿病足的发生和发展中起协同作用,但是各个因素 Diabetic foot is a more serious chronic complication of diabetes and is defined as foot infections, ulcers and / or deep tissue destruction associated with local neurological abnormalities and distal peripheral vascular disease of the lower extremities. The higher incidence of the elderly population, the huge cost of treatment is the main cause of disability of diabetes. The incidence of diabetic foot related to the following aspects of ⑴ blood vessels, neuropathy; ⑵ biomechanical abnormalities; ⑶ ulcer formation and lower extremity; ⑷ improper personal protection measures and other factors. Among them, ischemia, neuropathy and infection are the three most important factors. These three factors play a synergistic role in the occurrence and development of diabetic foot. However, all the factors