Giliberty R P
Clin Orthop Relat Res. 1983 May(175):86-92.
A low-friction bipolar endoprosthesis was implanted in 200 patients. The primary indications for the procedure were acute fractures or failed internal fixation of the hip. The prosthesis was also implanted in a smaller series of patients who presented with pathologic lesions of the femoral head and minimal involvement of the acetabulum. Intrahospital results proved the morbidity and mortality rates to be well within acceptable limits for arthroplasty of the hip. Seventy-five patients were followed up during periods of one to eight years (average, 3 years). Sixty-nine patients (92%) with satisfactory results had a mean Harris hip rating score of 87 points. Six patients (8%) scored below 70, indicating a poor result. The biomechanical advantage of the bipolar endoprosthesis is reflected in the low incidence of failures.
200例患者植入了低摩擦双极人工关节。该手术的主要适应证为急性骨折或髋关节内固定失败。该假体也被植入了一小部分患有股骨头病理病变且髋臼受累最小的患者。医院内结果证明，该手术的发病率和死亡率完全在髋关节置换术可接受的范围内。75例患者接受了1至8年（平均3年）的随访。69例（92%）结果满意的患者平均Harris髋关节评分87分。6例（8%）患者评分低于70分，表明结果不佳。双极人工关节的生物力学优势体现在失败发生率低。
