To identify the co morbid and predisposing factors of this complication, we compared demographic data for the infected and non infected patients.

• 皮瓣坏死、血肿形成、软组织覆盖薄弱使感染危险性增高;革兰氏阳性菌最常见。结论:感染是保肢手术的严重并发症。