We report the clinical and radiograph outcome of 77 Furlong hydroxyapatite fully coated femoral prosthesis in 71 patients undergoing primary total hip replacement, with mean follow-up of 65 months (range 48-82 months). The patients' average age at surgery was 55 years. The clinical results, as determined by Harris hip score, were excellent or good for 84% of the hips. Thigh pain which was not disturbing was present in 9% of the hips. No femoral component had been revised for aseptic loosening, and none were considered loose radiographically at the time of final follow-up evaluation. Serial radiographs revealed an excellent quality of bone around the prostheses, with positive evidence of bone ingrowth and no signs of impending failure.
We have reviewed 83 consecutive cementless Furlong hydroxyapatite (HA)-coated threaded acetabular components which were inserted in 75 patients. The mean age of the patients at the operation was 54 years (range 31 to 67 years) and the mean follow-up period was 61 months (range 40 to 82 months). Large size gaps at the implant -bone interface (attributed to failure to achieve bone-prosthesis contact), were present in 89% of the cases on the initial radiographs. At the last follow-up, the gaps were either no longer visible or had decreased in 95% of the cases. Radiolucencies were absent in well-fixed components. Three acetabular components were considered to be loose and are awaiting revision, giving a 3.6% aseptic loosening rate. The remainder of the cups were radiographically stable with positive evidence of bone ingrowth and no signs of impending loosening.
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