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Component Alignment in Simultaneous Bilateral versus Unilateral Total Knee Arthroplasty
The Journal of Korean Knee Society ; : 31-36, 2019.
Artículo en Inglés | WPRIM | ID: wpr-759359
ABSTRACT

PURPOSE:

The purpose of this study was to investigate differences in component alignment between first and second knees in simultaneous bilateral total knee arthroplasty (SBTKA) and unilateral TKA (UTKA). MATERIALS AND

METHODS:

274 SBTKAs and 198 UTKAs were included in study. Patients were divided into three groups as SBTKA on the right knee (group A), SBTKA on the left knee (group B) and UTKA (group C). Femoral and tibial component alignment was checked in both coronal plane (alpha [α] and beta [β] angles) and sagittal plane (gamma [γ] and delta [δ] angles) radiographs.

RESULTS:

There were no statistically significant differences among groups in the preoperative anatomical varus angle and Kellgren–Lawrence gonarthrosis classification grade (p=0.139 and p=0.329, respectively). In the coronal plane, the alignment of femoral component (α angle) and tibial component (β angle) was similar in all three groups (α angle, 95.01 vs. 95.14 vs. 94.9, p=0.945; β angle, 90.03 vs. 89.67 vs. 89.98, p=0.483). The sagittal plane alignment of femoral component (γ angle) and tibial component (δ angle) did not show significant differences (γ angle, 7.04 vs. 6.98 vs. 7.00, p=0.132; δ angle, 86.56 vs. 87.41 vs. 86.73, p=0.610).

CONCLUSIONS:

The angular alignment of components was similar between SBTKA and UTKA.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Artroplastia / Clasificación / Artroplastia de Reemplazo de Rodilla / Rodilla Límite: Humanos Idioma: Inglés Revista: The Journal of Korean Knee Society Año: 2019 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Artroplastia / Clasificación / Artroplastia de Reemplazo de Rodilla / Rodilla Límite: Humanos Idioma: Inglés Revista: The Journal of Korean Knee Society Año: 2019 Tipo del documento: Artículo