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在原发性全髋关节置换术中使用改良 S-ROM 柄治疗髋关节发育不良。

A modified S-ROM stem in primary total hip arthroplasty for developmental dysplasia of the hip.

机构信息

Department of Orthopaedic Surgery, The Jikei University School of Medicine, Tokyo, Japan.

出版信息

J Arthroplasty. 2013 Dec;28(10):1741-5. doi: 10.1016/j.arth.2013.04.041. Epub 2013 May 21.

Abstract

This study examined the clinical outcome of 220 hips in 196 Asian patients who underwent primary total hip arthroplasty (THA) for treatment of developmental dysplasia of the hip (DDH) using a modified S-ROM modular (S-ROM-A) stem designed for Asians, after 2-5 years (mean, 3.3 years) of follow-up. The stem was placed so that the anteversion angle of the neck was decreased against the sleeve in 56% of the hips and increased in 18% of the hips. Bone ingrown fixation was achieved in 99.5% of the hips on X-ray at final follow-up. There were 2 (0.9%) dislocations postoperatively. In primary THA for treatment of DDH accompanied by femoral rotational deformity, the freely-rotatable modular stem provided favorable short-term outcomes by affording both morphological and functional advantages.

摘要

本研究对 196 例亚洲患者的 220 髋进行了随访 2-5 年(平均 3.3 年)后的临床结果评估,这些患者均因发育性髋关节发育不良(DDH)接受了改良 S-ROM 模块化(S-ROM-A)股骨假体的初次全髋关节置换术(THA)治疗。研究结果显示,在 56%的髋关节中,股骨颈前倾角相对于柄减小,在 18%的髋关节中,股骨颈前倾角增大。在最终随访时,99.5%的髋关节在 X 线上显示出骨长入固定。术后有 2 例(0.9%)发生脱位。对于伴有股骨旋转畸形的 DDH 患者,采用可自由旋转的模块化股骨柄进行初次 THA 治疗可获得良好的短期效果,同时具有形态学和功能优势。

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