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糖尿病性肢端坏疽的病因病理

来源:华人健康网 | 发布时间:2011-02-16 14:57:09 | www.chinesejk.com
糖尿病性肢端坏疽是糖尿病的后期并发症引起,造成肢体坏疽的主要原因是四肢末端动脉的狭窄或闭塞。糖尿病所造成的血管损害主要表现为大、中动脉的粥样硬化引起。在外周血管,常以下肢动脉病变为主。由于糖尿病的持续存在,可刺激和加速动脉粥样硬化性斑块的形成,导致肢体动脉狭窄或闭塞,造成肢端供血严重不足以致坏疽,并且由于糖尿病病人对糖的利用率下降,肢体严重供氧供血不足,则进一步加重了肢端坏死的程度。

(编辑:阳阳 )

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