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. 2009 Feb;33(1):117-21.
doi: 10.1007/s00264-007-0502-y. Epub 2008 Jan 9.

Total knee arthroplasty using cementless keels and cemented tibial trays: 10-year results

Frank R Kolisek  1 , Michael A Mont, Thorsten M Seyler, David R Marker, Nenette M Jessup, Junaed A Siddiqui, Eric Monesmith, Slif D Ulrich
Affiliations

Total knee arthroplasty using cementless keels and cemented tibial trays: 10-year results

Frank R Kolisek et al. Int Orthop. 2009 Feb.

Abstract
in English, French

The problem of early mechanical stability of cemented and cementless keels of the tibial component in total knee arthroplasty (TKA) is controversial. The purpose of this study was to assess clinical and radiographic outcomes of a cohort of 51 TKAs using a cemented platform with cementless keel fixation. At a mean follow-up of 10.4 years (range, 7 to 14 years), the mean Knee Society Score (KSS) was 93 points (range, 59 to 100 points), and the mean functional score was 73 points (range, 0 to 100 points). Only one patient demonstrated progressive tibial radiolucencies at 13.1 years follow-up, which resolved with a revision with an exchange of components. The results of this study suggest that a proximally cemented tibial tray with a press-fit keel TKA provides excellent mean 10-year outcomes.

Le problème de la stabilité précoce immédiate de la quille du composant tibial d’une prothèse totale du genou est sujet à controverse. Le propos de cette étude est d’étudier le devenir clinique et radiographique d’une cohorte de 51 prothèses totales du genou, avec un plateau cimenté sans fixation cimentée de la quille. Après un suivi moyen de 10,4 ans (de 7 à 14 ans), le score de la Knee Society a été de 93 points (59 à 100 points) et le score fonctionnel moyen de 73 points (de 0 à 100 points). Seulement un patient a présenté un liseré tibial progressif 13,1 ans après l’intervention avec une nécessité de révision et de changement prothétique. Le résultat de cette étude permet de penser qu’un plateau tibial cimenté avec une quille en press-fit permet d’obtenir de bons résultats avec au moins 10 ans de recul.

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Figures

Fig. 1
Fig. 1
Intraoperative picture demonstrating the surgical technique. The tibial tray is cemented in place with a minimum cement mantle of 2 mm and the keel is inserted in a press-fit manner
Fig. 2
Fig. 2
An 83-year-old man. a Preoperative anteroposterior view. Thirteen-year follow-up b Anterior/posterior and c lateral views of the left knee
Fig. 3
Fig. 3
Fifteen-year Kaplan-Meier survival curves for both normal and worst cases
See this image and copyright information in PMC

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