Objective To investigate the short-term clinical outcome of the total hip arthroplasty for adult Crowe Ⅳ type of congenital hip dysplasia. Methods From 2008 February to 2011 February, 6 patients(6 hip)with adult CroweⅣtype of con-genital hip dysplasia were treat with total hip arthroplasty, including 1 male and 5 females with an average age of 30 years( range, 25~45 years) , the clinical follow-up time was 3~5 years. Results 6 patients were all obtained follow-up, the mean follow-up time was 38 months. The hip function of all patients was normal, the pain was disappeared. The average Harris score was 82 points, 1 patient suffered postoperative sciatic stretch symptoms and recovered subsequently, acetabularⅠ,Ⅱzone of 1 patient ap-peared <1mm bright line, femoral and acetabular prosthesis were no looseness, acetabulum of 1 patient appeared heterotopic ossi-fication of BrookerⅠ, but no effect on the function of hip. Conclusion The total hip arthroplasty for Crowe type IV congenital dysplasia of the hip operation is one of the effective methods, and has good recent therapeutic effect.%目的：探讨全髋关节置换术治疗成人Crowe Ⅳ型先天性髋关节发育不良的近期疗效。方法2008年2月至2011年2月,对6例6髋成人Crowe Ⅳ型先天性髋关节发育不良进行了全髋关节置换术,其中男1例,女5例；年龄25~45岁,平均年龄30岁,并进行了3~5年的临床随访。结果6例患者均完全获得随访,平均随访时间为38个月。所有患者患髋功能基本正常,疼痛基本消失。平均Harris评分82分,1例患者术后出现坐骨神经牵拉症状,并随后恢复,1例患者在髋臼Ⅰ、Ⅱ区出现<1mm的透亮线,股骨假体及髋臼假体未见松动,1例患者出现BrookerI型异位骨化,但对功能无影响。结论全髋关节置换术治疗Crowe Ⅳ型先天性髋关节发育不良的有效手术方法之一,且近期疗效满意。
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