Lin Li-jun, Jin An-min, Fang Guo-fang, Li Jian-yi, Ding Chao, Cheng Wei-yi, Wei Ge-jin, Li Qi
Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangazhou, China.
Nan Fang Yi Ke Da Xue Xue Bao. 2008 Aug;28(8):1452-3.
To analyze the effect of biomechanical reconstruction of the hip in metal-on-metal total hip resurfacing.
Thirty patients undergoing hip resurfacing arthroplasties were enrolled in this study. The clinical outcomes of the patients were assessed according to the Harris Hip Score before and after the surgery, X-ray examinations and biomechanical reconstruction evaluations.
After the operation, the length of the patients' legs was shortened by a mean of 2.4 mm. and the femoral offset was decreased by a mean of 5.45 mm. No dislocation were be found in these patients. The preoperative Harris Hip Score was 36.69-/+7.16, significantly lower than that postoperative score (89.63-/+3.36, P<0.01).
Precise biomechanical reconstruction of the hip can be achieved in hip resurfacing arthroplasty, and the stability and functional restoration is guaranteed by large diameter prosthesis design.
分析金属对金属全髋关节表面置换术中髋关节生物力学重建的效果。
本研究纳入30例行髋关节表面置换术的患者。根据手术前后的Harris髋关节评分、X线检查和生物力学重建评估来评估患者的临床结果。
术后，患者腿部长度平均缩短2.4毫米，股骨偏心距平均减少5.45毫米。这些患者未发现脱位情况。术前Harris髋关节评分为36.69±7.16，显著低于术后评分（89.63±3.36，P<0.01）。
髋关节表面置换术中可实现髋关节精确的生物力学重建，大直径假体设计保证了稳定性和功能恢复。
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