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Hydroxyapatite ceramic-coated femoral stems in young patients

A PROSPECTIVE TEN-YEAR STUDY

Department of Orthopaedics, Epsom General Hospital, Dorking Road, Epsom, Surrey KY18 7EG, UK.

S. P. Trikha, MRCS, Orthopaedic Specialist Registrar; and A. J. Edge, FRCS, Consultant Orthopaedic Surgeon

Department of Orthopaedics, Worthing and Southlands NHS Trust, Lyndhurst Road, Worthing, West Sussex BN11 2DE, UK.

Correspondence should be sent to Mr S. Singh at 7 Ardmay Gardens, Surbiton, Surrey KT6 4SW, UK.

We describe the clinical and radiological results of 38 total hip replacements (THR) using the JRI Furlong hydroxyapatite-ceramic (HAC)-coated femoral component in patients younger than 50 years. The mean age at the time of operation was 42 years (22 to 49) and the mean length of follow-up was ten years (63 to 170 months). All patients receiving a Furlong HAC THR were entered into the study regardless of the primary pathology including patients who had undergone previous hip surgery.

The mean Harris hip score improved from 44 before operation to 92 at the last postoperative review. After 12 years the cumulative surivival for the stem was 100% (95% confidence interval 89 to 100). No femoral component was revised. Our results show that the Furlong HAC implant gives excellent long-term results in young patients with high demands.

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