化脓性关节炎是滑膜关节感染引起的关节炎症,常导致关节破坏而造成严重的关节畸形。儿童髋关节化脓性感染发病率仅次于膝关节,占儿童关节感染20%左右,致残率高[1]。目前对儿童髋关节化脓性感染多采用切开引流术,手术创伤大,术后易导致关节功能障碍,而采用关节镜灌洗技术治疗具有手术创伤小、术后关节功能恢复好等优点。对我院2009年5月 Suppurative arthritis is caused by synovial joint inflammation caused by joint inflammation, often leading to joint destruction caused by severe joint deformity. The incidence of hip suppurative infection in children is second only to the knee joint, accounting for about 20% of children with joint infection, high morbidity [1]. At present, more children with hip suppurative infection using incision and drainage, surgical trauma, easily lead to joint dysfunction, and the use of arthroscopic lavage treatment has the advantages of small surgical trauma, postoperative recovery of joint function and so on. To our hospital in May 2009