Rajaratnam , S.S., Jack , C., Tavakkolizadeh , A., George , M.D., Fletcher , R.J., Hankins , M. and Shepperd , J.A.
Long-term results of a hydroxyapatite-coated femoral component in total hip replacement: a 15-to 21-year follow-up study.
Journal of Bone and Joint Surgery - British Volume, 90, (1), . (doi:10.1302/0301-620X.90B1.19731).
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Between 1986 and 1991 we implanted 331 consecutive Furlong hydroxyapatite-coated femoral components of a total hip replacement in 291 patients. A cemented acetabular prosthesis was used in 217 hips and a hydroxyapatite-coated component in 114. We describe the long-term clinical and radiological survival of the femoral component at a mean follow-up of 17.5 years (15 to 21). Only two patients (0.68%) were lost to follow-up. With revision of the femoral component for any reason as the endpoint, the survival at a mean of 17 years was 97.4% (95% confidence interval 94.1 to 99.5), and with revision for aseptic loosening as the endpoint it was 100%. The survival at a maximum of 21 years with revision of the femoral component for any reason as the endpoint was 97.4% (95% confidence interval 81.0 or 99.5). These results compare favourably with the best long-term results of cemented or uncemented femoral components used in total hip replacement.
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