发育性髋关节脱位术后再脱位的治疗

目的：探讨发育性髋关节脱位术后再脱位的治疗时机与方法。方法：手术治疗发育性髋关节脱位术后再脱位18例18个髋，再手术与第一次手术间隔时间平均1年3月。其中15个髋需要进行髋臼手术，12个髋需要股骨短缩及旋转截骨。结果：临床结果8个髋为优，5个髋为良，5个髋为可。x线片结果8个髋为优，4个髋为良，6个髋为可。结论：发育性髋关节脱位术后再脱位的最佳手术时机在1年左右，其手术方法仍然要根据患者的年龄及病理改变来决定。

Surgical management for redislocation after open reduction of developmental dislocation of the hip

Objective:To find out when and how to treat the hip redislocation after open reduction of developmental dislocation of the hip. Methods:Eighteen patients with 18 redislocated hips underwent open reduction. The second procedures were done on the average time 1 year and 3 months after the first open reduction of developmental dislocation of the hip. Fifteen of 18 hips needed acetabular procedures and twelve needed femoral shortening and derotation osteotomy. Results:According to Mckay's criteria, 8 cases got excellent clinical results,5 cases good result and 5 cases fair result. Xay showed that 8 hips got excellent results , 4 good result and 6 fair result by Severin's criteria.Conclusion:The best time of surgical management for the hip redislocation after open reduction of developmental dislocation of the hip was one year or so. The procedures still depended on the patient's age and pathological changes of the hip.