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首页> 外文期刊>The Journal of arthroplasty >Porous-coated cementless acetabular cups in revision surgery: a 6- to 11-year follow-up study.
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Porous-coated cementless acetabular cups in revision surgery: a 6- to 11-year follow-up study.

机译:翻修手术中的多孔涂层非骨水泥髋臼杯:为期6至11年的随访研究。

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摘要

Between 1986 and 1991, 65 cementless hemispherical acetabular cups were implanted in 60 patients in revision surgery. Different designs were used, including PCA (29 cups), Duraloc (14 cups), Harris-Galante (12 cups), and Omnifit (10 cups). The mean age of patients was 54.7 years. The Paprosky types of the acetabular tone defects were type 1, 2 hips; type 2, 38 hips; type 3A, 15 hips; and type 3B, 10 hips. For unrevised hips, the mean follow-up was 8.3 years (range, 6-11 years). Bone allografts were used in 56 hips: Morcellized cancellous graft was used in 42 hips, structural graft for contained defects was used in 7 hips, and structural graft for uncontained defects was used in 7 hips. There were poor clinical results in 14 hips (22%). Re-revision was necessary in 7 hips (10.8%). There was definite radiographic loosening in 18 hips and possible loosening in 4 hips. Screw failure occurred in 6 hips, and a radiolucency in 1 or more DeLee-Charnley zones was apparent in 45 hips (69.2%). Moderate or severe graft resorption were found in 4 of the 42 morcellized grafts, in 6 of the 7 structural grafts for uncontained defects, and in all 7 of the 7 structural grafts for contained defects. The best results were obtained in hips with a bone defect of less than 30%. The use of a cementless acetabular cup supplemented with screws is contraindicated in hips with a bone defect greater than 50%. Hip reconstruction using structural bone-graft to stabilize the prosthesis gives the worst results.
机译:1986年至1991年,在60例翻修手术中植入了65个非骨水泥半球形髋臼杯。使用了不同的设计,包括PCA(29杯),Duraloc(14杯),Harris-Galante(12杯)和Omnifit(10杯)。患者的平均年龄为54.7岁。髋臼音缺损的Paprosky类型为1型,2型髋部; 2型髋部为3型。 2型,38髋; 3A型15髋;和3B型,10个臀部对于未矫正的髋关节,平均随访时间为8.3年(范围6-11年)。同种异体骨移植共56髋:粉碎的松质骨移植体共42髋,有缺陷的结构移植物共7髋,无缺陷的结构移植物共7髋。 14髋(22%)的临床结果较差。 7髋(10.8%)需要重新翻修。 18髋明显放射线松动,4髋可能松动。在6个髋部中发生螺丝衰竭,在1个或多个DeLee-Charnley区域中有45个髋部出现射线透亮现象(69.2%)。在42颗粉碎的移植物中,有4处吸收中等或严重的植骨吸收,在7颗结构移植物中有6颗存在未包含的缺损,在7颗结构移植物中的所有7颗中均发现有缺损。骨缺损小于30%的臀部获得了最佳结果。骨缺损大于50%的髋关节禁用禁忌加螺钉的非骨水泥髋臼杯。使用结构性植骨稳定髋关节的髋关节重建效果最差。

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