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. 2009 Jun;33(3):675-8.
doi: 10.1007/s00264-008-0561-8. Epub 2008 Jul 2.

A 5 to 8 year follow-up study of the Rotaglide mobile bearing total knee arthroplasty

Alastair Hudd  1 , Kumar Kunasingam, David Ricketts, John Bush
Affiliations

A 5 to 8 year follow-up study of the Rotaglide mobile bearing total knee arthroplasty

Alastair Hudd et al. Int Orthop. 2009 Jun.

Abstract
in English, French

We report the medium-term outcomes of the Rotaglide mobile bearing total knee arthroplasty (RTK). Between 1994 and 1999, 357 RTK prostheses were implanted at our institution. Of 150 knees attending for follow-up, none had needed revision. Mean American Knee Society Score (AKSS), Oxford knee score and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score at 8 years were 153.6, 23.1 and 16.5, respectively. Radiological analysis revealed no prosthesis with signs of impending failure requiring revision. Survivorship was 100% in those attending. However, we are aware of two failures requiring revision, both of which were due to infection. We have no reported failures requiring revision due to aseptic loosening. This may be a result of the implant design. Limitations of the study include loss to follow-up and radiological analysis. The RTK gives good to excellent medium-term results and we support its continued use.

Nous rapportons les résultats à moyen terme de la prothèse à plateau mobile de type Rotaglide. Entre 1994 et 1999, 357 prothèses ont été implantées dans notre établissement. Sur 150 genoux pris en compte dans le suivi aucun n’a nécessité de révision. Les scores AKSS, Oxford et Womac à 8 ans ont été respectivement de153.6, 23.1 et de 16.5. L’analyse radiologique n’a pas montré de signes de faillite nécessitant une révision. La courbe de survie est de 100% sur cette période. Nous surveillons deux échecs qui ont nécessité une révision dont tous les deux sont secondaires à une infection. Nous n’avons pas non plus rapporté d’échecs nécessitant une révision pour descellement aseptique. Ces bons résultats sont secondaires au design de l’implant. Les limites de cette étude sont les perdus de vue de l’analyse radiologique. Nous pouvons conclure que la prothèse totale du genou de type Rotaglide RTK permet de bons et d’excellents résultats à moyen terme et nous sommes encouragés à poursuivre son utilisation.

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Figures

Fig. 1
Fig. 1
AKSS scores
Fig. 2
Fig. 2
Oxford knee scores
Fig. 3
Fig. 3
WOMAC scores
See this image and copyright information in PMC

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