Objective To explore the application and efficacy of limited open reduction with internal fixation using cross Kersh pin for the treatment of Gartland's type Ⅲ supracondylar fracture of the humerus in children.Methods Limited open reduction with internal fixation was performed on 65 children with supracondylar fracture of the humerus.Short-term plaster external fixation was also applied postoperatively.Results All the fractures were healed in 65 children during a follow-up of 6 months to 1 year.According to the Cassebatum's rating system for assessing elbow function,the efficacy was excellent in 49 of 65 children,good in 13,and fair in 3,with a satisfaction rate of 95.4％.No apparent cubitus varus and myositis ossificans occurred.Conclusions Early aggressive limited open reduction with internal fixation,careful intraoperative anatomical reduction,and early postoperative functional exercise for the affected limb can effectively improve the efficacy and prevent the occurrence of complications.%目的 探讨有限切开复位交叉克什针内固定治疗儿童伸直型肱骨髁上骨折(GartlandⅢ型)的应用与疗效.方法 采用有限切开复位交叉克氏针内固定治疗儿童伸直型肱骨髁上骨折65例,术后结合短期石膏托外固定.结果 65例患者随访时间6个月～1年,骨折均愈合.按Cassebatum方法评价肘关节功能,65例患儿中优49例,良13例,可3例；均末出现明显的肘内翻畸形及骨化性肌炎,优良率为95.4％.结论 早期采用积极有限切开复位内固定治疗、术中轻柔解剖复位和术后早期正确的患肢功能锻炼可有效提高儿童肱骨髁上骨折的治疗效果及有效防治并发症.
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