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J Arthroplasty. 1997 Dec;12(8):839-47.

5- to 13-year follow-up study on cementless femoral components in revision surgery.

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Wright State University, Dayton, Ohio, USA.


The 5- to 13-year follow-up data on 297 cementless revision arthroplasties with extensively coated components (Anatomic Medullary Locking femoral component, DePuy, Warsaw, IN) are reported. A basic classification of the femoral defects was developed. All patients were evaluated clinically and radiographically at a minimum of 60 months. Clinically, the average Postel-d'Aubigné score improved from 4.8 before to a 10.2 after surgery. Definite radiographic instability was noted in seven hips. Five patients were symptomatic and were revised. The mechanical failure rate was 2.4%. The overall complication rate was 5.7%, with a 2.6% dislocation rate. In the presence of bone loss in the proximal metaphyseal region of the femur, fixation of the femoral component is best achieved in the diaphyseal region of the femur using an extensively coated femoral component.

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