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背景:目前,对于膝关节复合伤的治疗临床主要采取一期手术或分期治疗的方式,但对于两者临床疗效的对比研究,却鲜有报道.目的:对比研究膝关节复合伤一期手术与分期处理的临床疗效.方法:选取2012年7月至2014年8月收治膝关节复合伤患者38例,随机分为A组(一期手术组)和B组(分期处理组),每组19例,其中A组采取一期手术同时进行骨折复位、固定、交叉韧带重建以及半月板修复等;B组在入院后先予以骨折复位、固定,并修复关节外韧带结构,待关节活动恢复正常或接近正常时行前、后交叉韧带重建及半月板修复或修整.观察比较两组患者的手术时间、外固定时间、局部创伤、耗材费用以及膝关节功能.结果:B组手术时间、外固定时间、治疗费用以及局部创伤率均显著低于A组(P<0.05).结论:与一期手术比较,分期处理可有效缩短手术时间、减少内植物的使用,降低治疗费用,减少感染,对患者膝关节功能恢复有一定优势.“,”Background:At present, the combined injury of the knee is mainly treated by one-stage or staged operation, but there are few reports on the clinical efficacy of the treatments. Objective:To compare the clinical outcome between one-stage operation and staged operation the combined injury of knee joint. Methods:Totally 38 patients with combined injury of the knee treated from July 2012 to August 2014 were enrolled in this study. One-stage operation including reduction, fixa-tion and reconstruction of the anterior cruciate ligament and meniscus repair was performed in 19 patients (group A). Anteri-or and posterior cruciate ligament reconstruction and the repair or dressing of the meniscus was done in 19 patients of group B after the joint function returned to be normal by fracture reduction and fixation. Operation time, external fixation time, lo-cal trauma, costs and knee joint function were compared between two groups. Results:The operation time, external fixation time, treatment cost and incidence of local trauma of group B were significantly lower than those of group A (P<0.05). Con-clusions:Compared with one-stage operation, staged operation can effectively shorten operation time, reduce the use of im-plants and treatment costs, and decrease the incidence of infection.