Long-Term Survival of McKee-Farrar Total Hip Prostheses

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Abstract
Because of the recent resurgence of interest in metal-on-metal bearing components for total hip arthroplasties, the long-term results of 153 consecutive McKee-Farrar total hip arthroplasties done in 129 patients by one surgeon between 1969 and 1973 were evaluated. A retrospective chart review provided patient demographics (age, gender, weight, primary diagnosis), revision dates, indications, and implant survival data. The average age of the patients at implantation surgery was 61 years (range, 28–85 years) and these patients were observed as many as 28 years. Primary diagnoses included osteoarthritis (49% of implants), rheumatoid arthritis (38%), and other conditions (13%). During the 28 years of followup, five implants were revised for infection and 14 implants were revised for aseptic loosening. Survivorship analysis of the McKee-Farrar prostheses had a 20-year probability of implant survivorship of 84%, and a 28-year implant survivorship of 74%. Excellent long-term results of the McKee-Farrar prosthesis were seen. Given the inherent problems associated with implant wear debris, especially polyethylene wear particles, second generation metal-on-metal bearing implants may offer a viable alternative to current designs. Their excellent long-term survival may infer particular suitability for use in younger patients.

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