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Factors affecting socket fixation after cemented revision

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Summary. Factors influencing the radiographic outcome of revised cemented sockets have been investigated in 360 cases; 70 with radiological signs of failure were analysed. The acetabular bone stock at revision and preparation of the acetabular floor were the two factors which had a significant influence on the outcome. The thickness of the cement mantle around the socket also had an influence. Young patients were at a higher risk of failure. The use of a flanged socket and an acetabular cement pressuriser appeared to improve the radiographic result, but this was not statistically significant.

Résumé. Nous étudions les facteurs influen*ant l’évolution radiologique des cupules cimentées après changement. Dans cette étude, 360 cupules cimentées dont 70 présentant un descellement radiologique ont eu à une analyse statistique. Le capital osseux de l’acétabulum et la préparation du fond du cotyle lors du changement de la prothèse se sont révélés être les deux facteurs ayant une influence hautement significative (p = 0.0001) sur l’évolution de ces cupules. Nous avons aussi constaté que l’épaisseur du manteau de ciment autour de la cupule influence le pronostic. En outre, les patients jeunes présentent un risque élevé de descellement radiologique. L’utilisation du pressurisateur à ciment et des cupules avec rebord tend à améliorer l’évolution radiologique, mais de fa*on non significative statistiquement.

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Accepted: 12 July 1996

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Raut, V., Kay, P., Siney, P. et al. Factors affecting socket fixation after cemented revision. International Orthopaedics SICOT 21, 83–86 (1997). https://doi.org/10.1007/s002640050125

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  • DOI: https://doi.org/10.1007/s002640050125

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