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目的观察儿童烧伤后腘窝瘢痕挛缩采用中厚皮切取后取皮区直接植皮修复的临床应用。方法 选取2017年4月至2019年1月本院收治的50例烧伤后腘窝瘢痕挛缩儿童作为研究对象，采取中厚皮切取后取皮区直接植皮修复，对比患者手术前后瘢痕状况、膝关节功能及生存质量。结果 30例患者植皮修复腘窝瘢痕挛缩，27例愈合较好，皮片成活率达90.00%; 30例患者手术后瘢痕状况评分、膝关节功能评分量表(WOMAC)低于手术前，简明健康状况量表(SF-36)评分高于手术前，差异具有统计学意义（P<0.05）。结论 儿童烧伤启腘窝瘢痕挛缩采用中厚皮切取后取皮区直接植皮修复，可有效改善瘢痕状况、恢复膝关节功能、提高生存质量，效果显著。“,”Objective To observe the clinical application of direct skin grafting in popliteal fossa scar contracture after burn in children. Methods From April 2017 to January 2019, 30 children with popliteal scar contracture after burn were selected as the research object. The skin grafting area was directly repaired after medium and thick skin incision. The scar status, knee joint function and quality of life of the patients before and after operation were compared. Results The scar contracture of popliteal fossa was repaired by skin grafting in 30 patients.27 cases healed well. The survival rate of skin flap was 90.00%. The score of postoperative scar status and knee joint function scale (WO) were 90.00% in 30 patients. MAC was lower than that before operation, and the score of concise health status scale (SF-36) was higher than that before operation, the difference was statistically significant (P＜0.05 ). Conclusion The repair of popliteal scar contracture after bum can effectively improve the scar condition, restore the function of knee joint and improve the quality of life, which can effectively improve the scar condition, restore the function of knee joint and improve the quality of life.