Abstract
We studied all Stanmore total hip arthroplasties (THA, n=325) implanted at our center between 1980 and 1990. Seven patients (seven hips), followed for less than 12 months, were excluded. Five hips were lost at follow-up. The mean follow-up was 117 (12–252) months. A total of 18 hips were revised, with median time between operation and revision 163 months. With revision as endpoint, a survival rate analysis was calculated. The mean survival for all hips was 82% at 18 years (95% confidence interval 64–101%). For hips with rheumatoid arthritis, the survival rate was 58%, whereas in osteoarthritic hips the rate was 95% after 18 years. A high proportion of acetabular loosening was seen in rheumatoid hips.
Résumé
Nous avons étudié toutes les Arthroplasties totales de la hanche de type Stanmore ( n=325) implantées à notre centre entre 1980 et 1990. Sept malades (7 hanches), suivis moins de 12 mois, ont été exclus. Cinq hanches ont été perdues de vue. Le suivi moyen était 117 (12–252) mois. Un total de 18 hanches a été révisé avec un temps médian de 163 mois entre l'opération et la révision. Avec la révision comme point final une analyse du taux de survie a été faite. La survie moyenne pour toutes les hanches était 82% à 18 années (95% intervalle de la confiance 64–101%). Pour les hanches avec une polyarthrite rhumatoïde le taux de la survie était 58%, alors que dans les hanches arthrosiques le taux était 95% après 18 années. Une grande proportion de descellements acétabulaires a été notée dans les hanches rhumatoïdes.
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van der Lugt, J.C.T., Onstenk, R. & Nelissen, R.G.H.H. Primary Stanmore total hip arthroplasty with increased cup loosening in rheumatoid patients. International Orthopaedics (SICOT) 27, 291–293 (2003). https://doi.org/10.1007/s00264-003-0473-6
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DOI: https://doi.org/10.1007/s00264-003-0473-6