Long-term results of a hydroxyapatite-coated femoral component in total hip replacement: A 15 to  21 year follow-up study January 2008Updated 7/3/09

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http://www.ncbi.nlm.nih.gov/pubmed/18160495 Rajaratnam SS, Jack C, Tavakkolizadeh A, George MD, Fletcher RJ, Hankins M, Shepperd JA.

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 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.