We have studied whether the state of the articular cartilage at the time of rotational acetabular osteotomy for dysplasia of the hip affects the outcome 2 to 5.5 years after surgery. Arthroscopy in 57 patients (59 joints) at the time of the operation showed grade-0 changes in seven, grade-1 in nine, grade-2 in 17, grade-3 in 14 and grade-4 in 12 joints, according to the classification of Outerbridge. There was radiological evidence of the progression of arthritis in four joints which were classified at arthroscopy as grade 4. Stepwise regression analysis showed that damage to acetabular or femoral articular cartilage significantly affected the progression of arthritis. We conclude that the short-term results of successful rotational acetabular osteotomy for dysplasia are affected by the state of the articular cartilage.

译文

:我们研究了髋臼发育不良的旋转髋臼截骨术时关节软骨的状态是否会影响术后2至5.5年的结局。手术时,在57例患者(59个关节)的关节镜检查中,发现7个级别的0级变化,9个级别的1级,17个级别的2级,14个级别的3级和12个级别的4级。外桥的分类。有放射学证据表明四个关节处关节炎进展,在关节镜下被分类为4级。逐步回归分析显示,对髋臼或股关节软骨的损害显着影响了关节炎的进展。我们得出的结论是,成功的旋转髋臼截骨术用于不典型增生的短期结果受关节软骨状态的影响。

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