Abstract
We report the results of the Charnley Elite Plus femoral stem in multiple surgeons’ hands at a minimum of 3 years after implantation. Over a 4-year period, 244 patients underwent 268 primary hip arthroplasty procedures using this particular stem. Patients underwent postal and radiographic review at a mean of 4.5 (3.0–6.8) years following their arthroplasty. There were five revision procedures for aseptic loosening (5/268; 1.9%). Radiological assessment revealed gross radiological failure in a further 12 femoral stems (12/208; 5.8%). In the best case scenario, using revision for aseptic loosening as the endpoint, the survivorship for this period was 98.1%. If radiographic failures are incorporated into this endpoint, survivorship is 93.1%. This failure rate at an early stage raises concerns as to the long-term survivorship of this prosthesis.
Résumé
Nous rapportons les résultats de la tige fémorale Charnley Élite Plus dans les mains de multiples chirurgiens après un minimum d’implantation de trois années. Sur une période de quatre années, 244 malades ont subi 268 arthroplasties primaires de la hanche utilisant cette tige particulière. Les malades ont eu un examen postal et radiographique à une moyenne de 4,5 ans (3,0–6,8) aprés leur arthroplastie. Il y avait cinq révisions pour descellement aseptique (5/268 : 1,9%). L’estimation radiologique a révélé un échec certain pour 12 tiges fémorales supplémentaires (12/208 : 5,8%). Dans le meilleur scénario, en utilisant la révision pour descellement aseptique comme point final, la survie pour cette période est de 98,1%. Si les échecs radiographiques sont incorporés comme événement final, la survie est de 93,1%. Ce taux d’échec à un stade précoce de l’évolution est une inquiétude pour la survie à long terme de cette prothèse.
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Rowsell, M., Der Tavitian, J., Birtwistle, S. et al. Survivorship of the Charnley Elite Plus cemented femoral stem. International Orthopaedics (SICOT) 29, 214–218 (2005). https://doi.org/10.1007/s00264-005-0660-8
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DOI: https://doi.org/10.1007/s00264-005-0660-8