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目的探讨影响烧伤外科发生非计划再手术的危险因素。方法分析2006年1月~2012年3月间解放军第八五医院烧伤整形外科施行的291次烧伤外科手术的临床资料。根据是否行非计划再手术分为再手术组和非再手术组，对2组患者的临床指标和手术情况进行比较，并对其相关风险因素进行多因素回归分析。结果非计划再手术37次。患者性别、创面修复手术、感染手术、皮瓣修复手术、手术者职称、空腹血糖与非计划再手术的发生有关（P<0.05）。多因素回归分析显示，感染手术、术者职称是影响非计划再手术的独立危险因素。结论积极防治感染、提高术者诊疗水平是减少烧伤外科非计划再手术的重要措施。“,”Objective To investigate risk factors associated with non-planned reoperation in burns surgical patients. Methods Clinical data of 291 patients underwent burns surgery between January 2006 and March 2012 were analyzed retrospectively. The patients were divided into the reoperation group and non-reoperation group according to the occurrence of non-planned operation. The clinical data were compared between the two groups, and independent risk factors for non-planned operation were identified by multiple regression analysis. Results There were 37 times non-planned reoperation. On univariate analysis, non-planned operation was associated with sex, wound repair operation, infection operation, flap repair operation, performer technical title, and fasting blood sugar levels. Logistic regression analysis revealed that infection operation and performer technical title were independent risk factors for non-planned operation. Conclusion Positive prevention and treatment of infection, improving the diagnosis and treatment level of surgeon are effective measures to decrease the incidence of non-planned reoperation in burns surgical patients.