Abstract
Between 1988 and 2002, 47 patients (50 hips) were treated with acetabular shell augmentation arthroplasty for recurrent idiopathic dislocation of their total hip arthroplasty. Apparent causes for dislocation such as deep infection, component malposition, or polyethylene wear were excluded. Follow-up averaged 74 months (range, 12–178 months), and clinically, 30 hips (60%) did not present a subsequent dislocation at most recent follow-up. In five hips (10%), deep infection after the augmentation procedure necessitated removal of the entire prosthesis. In our opinion, this technique cannot be recommended as it has an unacceptable failure and high infection rate.
Résumé
Entre 1988 et 2002, 47 patients (50 hanches) ont été traités avec un secteur additionnel pour luxation récidivante de la PTH. Les causes apparentes de luxations avec infection profonde, malposition du composant et usure du polyéthylène ont été exclues de cette étude. Le suivi moyen a été de 74 mois (de 12 à 178 mois), 60% des hanches (30 hanches) ne présentent pas de récidive de la luxation au dernier suivi. Dans 5 hanches (10%), une infection profonde est survenue, nécessitant l’ablation de la prothèse. Pour nous cette technique ne peut être recommandée car elle présente un taux d’échecs inacceptable et un taux d’infection important.
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Bosker, B.H., Ettema, H.B., Verheyen, C.C.P.M. et al. Acetabular augmentation ring for recurrent dislocation of total hip arthroplasty: 60% stability rate after an average follow-up of 74 months. International Orthopaedics (SICO 33, 49–52 (2009). https://doi.org/10.1007/s00264-007-0456-0
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DOI: https://doi.org/10.1007/s00264-007-0456-0