Revista de la Facultad de Ciencias Medicas (Cordoba, Argentina) · 2022
[Lower limb discrepancy after total knee arthroplasty. Is it really an issue?].
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Sanchez Mele Hernan, Astoul Bonorino Juan Felix, Barbaglia Victoria, Nicolino Tomas
Аннотация
INTRODUCTION: Lower limb discrepancy after total knee arthroplasty (TKA) is common. The main objective of this study is to evaluate the incidence of lower limb discrepancy after TKA.
MATERIALS AND METHODS: this is an observational analytical retrospective cohort study. We have included all the patients who underwent unilateral TKA with the same type of implant. The limb length was measured with a panoramic lower limb x-ray. The cut-off point to consider the discrepancy was > 10 mm. The type of deformity and the functional outcomes were evaluated.
RESULTS: In a total of 60 patients, 18 (30%) showed a lower limb discrepancy. Out of the patients who presented discrepancy, the most frequent deformity was valgus deformity with a 55,6% followed by varus deformity with 38.89% and 5.56% with neutral axis. The functional outcomes according to the KSS score and the postoperative knee KSS score demonstrated no difference in long term follow up between both groups.
CONCLUSIONS: the incidence of lower limb discrepancy after TKA was 30%. None of the patients required surgery as a consequence of the discrepancy. The functional outcomes and pain in a long term follow up did not demonstrate differences between both groups.
MATERIALS AND METHODS: this is an observational analytical retrospective cohort study. We have included all the patients who underwent unilateral TKA with the same type of implant. The limb length was measured with a panoramic lower limb x-ray. The cut-off point to consider the discrepancy was > 10 mm. The type of deformity and the functional outcomes were evaluated.
RESULTS: In a total of 60 patients, 18 (30%) showed a lower limb discrepancy. Out of the patients who presented discrepancy, the most frequent deformity was valgus deformity with a 55,6% followed by varus deformity with 38.89% and 5.56% with neutral axis. The functional outcomes according to the KSS score and the postoperative knee KSS score demonstrated no difference in long term follow up between both groups.
CONCLUSIONS: the incidence of lower limb discrepancy after TKA was 30%. None of the patients required surgery as a consequence of the discrepancy. The functional outcomes and pain in a long term follow up did not demonstrate differences between both groups.