Long-term outcome of total knee replacement in patients with rheumatoid arthritis - 19/04/08
, Maximillian Schmid a, Thomas Stulnig b, Wolfgang Huber a, Axel Wanivenhaus a
Corresponding author. Klinikum Kreuzschwestern Wels, Grieskirchnerstr. 42, 4600 Wels, Austria. Tel.: +43 724 2415 2074; fax: +43 724 2415 3938.Bienvenue sur EM-consulte, la référence des professionnels de santé.
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Abstract |
Objectives |
We analysed the long-term clinical and radiological results of 68 consecutive total knee replacements in 50 patients with rheumatoid arthritis.
Methods |
At a mean follow-up of 11.2±1.2 years (range, 9.7–13.7) all revisions were included. Thirty-seven knees in 28 patients still alive were followed retrospectively clinically and radiologically, all other patients who died without revision were censored at time of the last clinical follow-up and no patient was lost to follow-up. Revision was necessary in 13 knees (19%, one revised twice), including an overall deep infection rate of 1.47%.
Results |
The survival rate was 81.6±0.05% at 12 years with any revision or removal of the prosthesis as an end point. There was no significant difference in survival between cemented, uncemented or hybrid fixation (log rank, 0.2544). The average Knee Society Scores were 77.2 points clinical (range, 40–95 points) and 75.3 points functional (range, 30–100 points), respectively, at final follow-up. The body mass index (BMI) was 25.9 at surgery and 25.3 at follow-up (n.s.). There was no correlation between BMI, age, side, gender and revision frequency. No arthroplasty was at risk for removal or revision at follow-up.
Conclusions |
The study shows good 10–12-year clinical and radiological results for the PCA knee replacement in patients with rheumatoid arthritis without preference for the method of fixation or patient weight.
Le texte complet de cet article est disponible en PDF.Keywords : Rheumatoid arthritis, Knee arthroplasty, Long-term, Outcome
Plan
Vol 75 - N° 2
P. 163-166 - mars 2008 Retour au numéro
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