Department of Orthopaedic Surgery and Traumatology, Ghent University Hospital, Ghent, Belgium.
Int Orthop. 2012 Jan;36(1):35-41. doi: 10.1007/s00264-011-1299-2. Epub 2011 Jun 24.
Here we report the short-term clinical and radiological results of the Profemur®-R cementless modular revision stem.
Between June 2002 and May 2006, 68 revision hip arthroplasties were consecutively performed using this stem. Survival at a mean follow-up of 5.2 years was 94%. According to the Paprosky classification, the femoral defect was classified as type 1 in 39 hips (57.3%), type 2 in 18 hips (26.5%), type 3A in ten hips (14.7%) and type 3B in one hip (1.5%).
The Harris Hip Score was 49.57 before surgery and averaged 78.28 at the latest follow-up. The Merle d'Aubigne score improved from 9.15 preoperatively to 14.30 postoperatively. Stem stability rated according to the Agora Roentgenographic Assessment (ARA) scoring system averaged 5.22, suggesting a high likelihood of a durable implant.
The revision prosthesis examined in this study can be considered a viable and useful option in revision hip arthroplasty, even in patients with bony femoral defects.
本研究报告了 Profemur®-R 非骨水泥模块化翻修柄的短期临床和影像学结果。
2002 年 6 月至 2006 年 5 月，连续 68 例髋关节翻修术采用该柄。平均 5.2 年随访时的生存率为 94%。根据 Paprosky 分类，39 髋（57.3%）为 1 型，18 髋（26.5%）为 2 型，10 髋（14.7%）为 3A 型，1 髋（1.5%）为 3B 型。
术前 Harris 髋关节评分为 49.57，末次随访时平均为 78.28。Merle d'Aubigne 评分从术前的 9.15 分提高到术后的 14.30 分。根据 Agora 放射评估（ARA）评分系统评定的柄稳定性平均为 5.22，表明该植入物具有较高的耐用性。
本研究中检查的翻修假体可被认为是髋关节翻修术的一种可行且有用的选择，即使在存在股骨骨缺损的患者中也是如此。
