The Use of Semi-Constrained Knee Prostheses
Abstract
Introduction: Semi-constrained implants in TKA are indicated in cases where knee stability is compromised, either in primary or revision surgeries. Materials and Methods: 43 patients were evaluated at the same institution, treated by the same surgical team between 2015-2022, with Sigma TC3 (Johnson & JohnsonTM) implants. Results: the WOMAC, KSS function and Oxford functionality scales had good/very good results. The scores were lower in patients over 75 years of age if they used gait assistance and if they had previous pathologies (statistically significant). 86% had no pain, 91% were satisfied, 11% had complications. There were no infections or revision surgeries. Conclusions: TKAs with Sigma TC3 present good outcomes in the short and medium term with a low rate of complications in this series, with no statistical differences in function between primary and revision surgeries.Downloads
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