摘要目的 探讨髋臼内壁穿透法行全髋关节置换术(total hip arthroplasty,THA)治疗髋关节发育不良(developmental dysplasia of the hip,DDH)的临床疗效。方法 2010年4月至2016年3月采用髋臼内壁穿透法行THA治疗DDH患者23例(23髋),其中男6例,女17例;年龄30~66岁,平均51.2岁。术后评估双下肢长度差异、髋关节中心内移距离、髋关节中心高度、臼杯覆盖率、臼杯内突率、臼杯松动、骨长入、髋关节功能评分(harris hip score,HHS)等。末次随访时所有假体均获得骨长入。结果 所有患者均获随访,时间2~7年,平均4.4年。HHS由术前(55.3±14.6)分提高到末次随访时(92.3±15.7)分(P<0.001),双下肢长度差异由术前(2.1±1.9)cm下降到术后(0.6±0.5)cm(P<0.001),髋关节中心高度(2.3±0.7)cm,髋关节中心内移(2.4±0.8)cm,臼杯内突率(40.4±11.5)%,髋臼覆盖率(95.2±7.8)%。结论 采用髋臼内壁穿透法治疗DDH,临床疗效满意,髋关节旋转中心可在解剖位置或接近解剖位置重建。
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