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首页> 外文期刊>Open Journal of Urology >Morphology of Acetabulum and Femoral Head-Neck Junction in Hip Dysplasia Which Underwent Rotational Acetabular Osteotomy
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Morphology of Acetabulum and Femoral Head-Neck Junction in Hip Dysplasia Which Underwent Rotational Acetabular Osteotomy

机译：髋臼发育不良的髋臼发育异常的髋臼和股骨头颈交界处的形态

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The purpose of this study was to evaluate the preoperative radiographs with cases of developmental dysplasia of the hip (DDH) leading to rotational acetabular osteotomy (RAO) or curved peri-ace-tabular osteotomy (CPO), and examine the frequency of femoroacetabular impingement (FAI) related bone morphology in the acetabulum and femoral head-neck junction. Twenty-four hips with hip dyaplasia who underwent CPO or RAO were included in this study. Six hips had grade 0 and eighteen hips had grade 1 OA according to the T?nnis classification. We excluded patients with moderate and severe hip osteoarthritis and major femoral head deformities. Preoperative radiograph was evaluated on sharp angle, center-edge angle, alpha angle, crossover sign and posterior wall sign. Crossover signs were revealed in 7 hips (29.2%); posterior wall signs were revealed in 16 hips (66.7%); and cam-type deformities with an alpha angle of ≥50.5° were observed in 19 hips (79.2%) in preoperative evaluation. As determined using the T?nnis scale, no progression of osteoarthritis was found in 16 of the 24 hips; there was a one-grade progression in 8 hips. Among the 8 hips, either positive cross-over sign or posterior sign in acetabulum, and an alpha angle of ≥50.5° in femur were observed in six hips with progression of osteoarthritis. The presence of cam-type deformity and acetabular retroversion in patients who underwent RAO or CPO was relatively high in preoperative radiographs, and caution should be employed during surgery in patients with DDH. There is a possibility of secondary FAI due to excessive forward coverage of the bone fragments after RAO and CPO.
机译：这项研究的目的是评估术前X线片与发展性髋关节发育不良（DDH）导致旋转髋臼截骨术（RAO）或弯曲髋臼周围截骨术（CPO）的情况，并检查股骨髋臼撞击的频率（ FAI）相关的髋臼和股骨头-颈部交界处的骨形态。这项研究包括接受过CPO或RAO的24例髋关节发育不全的髋关节。根据T？nnis分类，六只髋的0级和十八只OA的1级。我们排除了中度和重度髋骨关节炎和股骨头严重畸形的患者。对术前X线片进行锐角，中心边缘角，α角，交叉标志和后壁标志的评估。 7个臀部（29.2％）出现交叉迹象; 16髋显示后壁征象（66.7％）;在术前评估中，观察到19髋（79.2％）的α角≥50.5°的凸轮型畸形。使用T？nnis量表确定，在24个髋关节中的16个髋关节中未发现骨关节炎的进展。在8个髋部中有一个等级的进展。在这8个髋关节中，随着骨关节炎的进展，在6个髋关节中观察到髋臼中的正交叉标志或后标志，并且股骨中的α角≥50.5°。术前X线片检查中，接受RAO或CPO的患者存在凸轮型畸形和髋臼逆行，在DDH患者的手术中应谨慎。由于RAO和CPO后骨骼碎片的过度正向覆盖，可能导致继发FAI。

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