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A retrospective study was conducted to assess the complications, clinical and functional outcomes at 5 years of follow-up of a series of elderly osteoporotic patients with an unstable intertrochanteric fracture treated by bipolar or total hip replacement. Fifty-four patients with an A2 intertrochanteric osteoporotic fracture were identified between 1996 and 2000. The average age of the patients was 81 years (SD=5). The follow-up time was 5 years. Patients received a bipolar or total hip replacement. During follow-up, we analyzed postoperative complications, mortality rate, functional results using the Harris hip score, time to return to normal activities, and radiographic evidence of healing. One patient died intraoperatively; two patients died on the third and eighth postoperative days and seven patients died within 1 year. Twenty-five patients were living at the 5-year follow-up. Harris hip score at 1 month was 648 (meanSD); at 3 months, 755; at 1 year, 765; and at 5 years, 769. Weight-bearing was permitted immediately after surgery, as tolerated. Time to return to normal daily activities was 275 days. No loosening or infection of the implants were observed. In elderly osteoporotic patients with an unstable intertrochanteric fracture, bipolar or total hip replacement in association with reduction of the greater trochanter is a valid alternative to the standard treatment of internal fixation. This surgical technique permits a more rapid recovery with immediate weight-bearing, and a maintenance of a good level of function, with little risk of mechanical failure.

Surgical treatment of unstable intertrochanteric fractures by bipolar hip replacement or total hip replacement in elderly osteoporotic patients