Abstract
Purpose
Our goal was to evaluate the five-year follow-up results of the Scorpio single radius total knee arthroplasty.
Method
We performed a retrospective study based upon a multicentre database to evaluate the minimum five-year follow-up clinical and radiological results of 747 patients (831 knees) who underwent primary Scorpio single radius total knee arthroplasty.
Results
The mean age of the patients was 71.9 years. At a minimal five-year follow-up, 141 patients were lost to follow-up, 83 patients had died, eight patients had undergone revision of a component, and the remaining 589 patients (602 knees) had a complete clinical and radiological evaluation after a median of six years (range, 5–8). The mean clinical component of the knee score was 92.2 points, and the mean functional component of the knee score was 76.9 points. At last follow-up, 530 of the 602 knees were rated as excellent or good. Only four knees developed patellar complications requiring revision. The survival rate at six years was 95.2% ± 1.9% and 98.3% ± 0.6 with revision for any reason and revision for mechanical failure as the end point, respectively.
Conclusion
This medium-term study indicates favourable clinical and radiological results for this single flexion-extension radius design arthroplasty, with a low complication rate on the patellar side.
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Borrione, F., Bonnevialle, P., Mabit, C. et al. Scorpio single radius total knee arthroplasty. A minimal five-year follow-up multicentric study. International Orthopaedics (SICOT) 35, 1777–1782 (2011). https://doi.org/10.1007/s00264-011-1226-6
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DOI: https://doi.org/10.1007/s00264-011-1226-6