Fully hydroxyapatite-coated total hip replacement: ten-year results

Author:

Pertegàs Màrius Valera1,Vergara-Valladolid Pedro12,Crusi-Sererols Xavier1,Sancho-Navarro Rogelio1

Affiliation:

1. Orthopaedics Department, Hospital de la Santa Creu i Sant Pau, Barcelona - Spain

2. Orthopaedics Department, Hospital Militar de la Defensa, Zaragoza - Spain

Abstract

We assess 254 consecutive primary total hip replacements (THRs) using a fully hydroxyapatite (HA)-coated stem and socket (Furlong; JRI, London, UK). Minimum follow-up was 10 years. Harris hip score (HHS) increased from 49.8 preoperatively to 86.2 at follow-up. The most remarkable clinical finding was the near absence of thigh pain. After 10 years of follow-up, all stems met stability criteria and none needed revision for aseptic loosening. Three cups (1.2%) were revised for aseptic loosening. Two more cups were revised for recidivant dislocation. Varus placement of the femoral stem was present in 63 hips (24.8%) and valgus in 13 hips (5%). None of these technical defects showed radiologic progression, and there was no measurable correlation between them and the clinical score. Intraoperative femoral fractures occurred in 25 cases (9.8%) with no further influence on implant evolution. These findings strongly support the use of the JRI Furlong system for primary THR because it provides excellent clinical and radiologic results, with 0% and 1.2% cup and stem aseptic loosening, respectively, at 10 years. In addition, its tolerance to technical implantation defects makes it suitable even for less experienced hip surgeons.

Publisher

SAGE Publications

Subject

Orthopedics and Sports Medicine,Surgery

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