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Rotational acetabular osteotomy for advanced osteoarthritis of the hip joint with acetabular dysplasia

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Abstract

Between August 1986 and July 1997, we performed rotational acetabular osteotomy (RAO) according to the methods of Ninomiya and Tagawa in 161 patients (179 hips). Among them, 63 patients (68 hips) had advanced osteoarthritis. We assessed the outcome at a mean of 12 years after rotational acetabular osteotomy was performed for the treatment of advanced osteoarthritis in a series of patients with acetabular dysplasia. Eleven patients did not return for final follow-up and were excluded from the study, leaving 52 patients (57 hips) for analysis. The mean Merle d’Aubigné clinical score improved from 12.6 points (range 9–16) preoperatively to 14.3 points (range 7–18) postoperatively (p < 0.002), mainly because of increased scores for pain. At final follow-up, 50 of the 57 hips were still functioning. The results of rotational acetabular osteotomy for correction of advanced osteoarthritis in adults with acetabular dysplasia were satisfactory after a mean of 12.2 years.

Résumé

Entre août 1986 et juillet 1997, nous avons réalisé une ostéotomie de repositionnement du cotyle selon la méthode de Ninomiya et Tagawa chez 161 patients (179 hanches). Parmi ceux-ci, 63 patients (68 hanches) avaient une coxarthrose déjà évoluée. Nous avons évalué le devenir de ces patients à 12 ans de recul cette ostéotomie étant réalisée pour une coxarthrose déjà évoluée pour des patients présentant une dysplasie acétabulaire. 11 patients n’ont pas été revus et ont été exclus de l’étude il restait 52 patients (57 hanches) pour l’analyse. Le score moyen de Merle d’Aubigné a été amélioré de 12.6 points (de 9 à 16) en préopératoire à 14.3 points (de 7 à 18) en postopératoire (p < 0.002), ce score étant majoré surtout par la douleur. Au suivi final 50 des 57 hanches sont toujours fonctionnelles. En conclusion, on peut considérer que l’ostéotomie de rotation de l’accétabulum dans les cas de coxarthroses d’adultes déjà évoluées avec dysplasie acétabulaire permet d’avoir un résultat satisfaisant après un recul moyen de 12,2 ans.

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Correspondence to Masahiko Nozawa.

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Nozawa, M., Maezawa, K., Matsuda, K. et al. Rotational acetabular osteotomy for advanced osteoarthritis of the hip joint with acetabular dysplasia. International Orthopaedics (SICOT) 33, 1549–1553 (2009). https://doi.org/10.1007/s00264-008-0657-1

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  • DOI: https://doi.org/10.1007/s00264-008-0657-1

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