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Cementless total hip arthroplasty for the treatment of developmental dysplasia of adult hip
Author(s): Lei Peng-fei, Hu Yi-he, Cai Peng-de, Yang Xu-cheng, Wang Long Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
Pages: 8191-
8195
Year: 2012
Issue:
44
Journal: Journal of Clinical Rehabilitative Tissue Engineering Research
Keyword: 关节成形术; 置换; 髋; 髋脱位; 发育性; 骨性关节炎; 人工关节; 全髋置换;
Abstract: 背景:人工全髋关节置换是公认的治疗成人髋关节发育不良晚期髋关节病变的有效手段,但存在较多的困难及风险。目的:评估行大转子截骨的非骨水泥全髋置换治疗CroweⅣ型成人髋关节发育不良的短期疗效。方法:18例(22髋)成人CroweⅣ型发育性髋关节脱位患者采用后外侧入路非骨水泥固定,行大转子截骨调整臀中肌张力,在髋臼的解剖位置安放臼杯。结果与结论:患者随访均超过10个月,最长随访38个月。患者关节置换前平均患肢短缩4.5cm(3.4-6.0cm),置换后患肢较置换前平均延长4.0cm(3.2-4.8cm)。置换后最终随访时Harris评分平均87分(79分-91分),显著高于置换前(P<0.01)。置换中3例3髋股骨近端发生骨折,但股骨假体稳定,予钢丝固定或未作特殊处理,均于置换后2个月复查X射线片提示骨折已愈合。1例置换后出现坐骨神经麻痹症状,3个月后症状消失。未出现置换后髋关节脱位、假体松动、感染及有临床表现的深静脉血栓形成等并发症。表明行大转子截骨的非水泥假体能有效治疗CroweⅣ型成人发育性髋关节脱位,能重建复杂髋关节发育不良的生物学及生物力学,不增加并发症风险。
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