Cruciate ligament force of knees following mobile-bearing unicompartmental knee arthroplasty is larger than the preoperative value

Abstract We analyzed the implantation effects on cruciate ligament force in unicompartmental knee arthroplasty (UKA) and determined whether kinematics is associated with the cruciate ligament force. We examined 16 patients (17 knees) undergoing medial UKA. Under fluoroscopy, each participant perform...

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Autores principales:	Kenichi Kono, Hiroshi Inui, Tetsuya Tomita, Darryl D. D’Lima, Takaharu Yamazaki, Shoji Konda, Shuji Taketomi, Ryota Yamagami, Kohei Kawaguchi, Shin Sameshima, Tomofumi Kage, Sakae Tanaka
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2e66cd0652704c15bd23c75f421813b0
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spelling	oai:doaj.org-article:2e66cd0652704c15bd23c75f421813b02021-12-02T17:25:33ZCruciate ligament force of knees following mobile-bearing unicompartmental knee arthroplasty is larger than the preoperative value10.1038/s41598-021-97655-z2045-2322https://doaj.org/article/2e66cd0652704c15bd23c75f421813b02021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97655-zhttps://doaj.org/toc/2045-2322Abstract We analyzed the implantation effects on cruciate ligament force in unicompartmental knee arthroplasty (UKA) and determined whether kinematics is associated with the cruciate ligament force. We examined 16 patients (17 knees) undergoing medial UKA. Under fluoroscopy, each participant performed a deep knee bend before and after UKA. A two-dimensional/three-dimensional registration technique was employed to measure tibiofemoral kinematics. Forces in the anteromedial and posterolateral bundles of both the anterior cruciate ligament (aACL and pACL) and the anterolateral and posteromedial bundles of the posterior cruciate ligament (aPCL and pPCL) during knee flexion were analyzed pre- and post-UKA. Correlations between changes in kinematics and ligament forces post-UKA were also analyzed. Preoperatively, the aACL forces were highly correlated with anteroposterior (AP) translation of the lateral condyles (Correlation coefficient [r] = 0.59). The pPCL forces were highly correlated with the varus–valgus angulation (r = − 0.57). However, postoperatively, the PCL forces in both bundles were highly correlated with the AP translation of the medial femoral condyle (aPCL: r = 0.62, pPCL: r = 0.60). The ACL and PCL forces of the knees post-UKA were larger than those of the knees pre-UKA. Kinematic changes were significantly correlated with the cruciate ligament force changes.Kenichi KonoHiroshi InuiTetsuya TomitaDarryl D. D’LimaTakaharu YamazakiShoji KondaShuji TaketomiRyota YamagamiKohei KawaguchiShin SameshimaTomofumi KageSakae TanakaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kenichi Kono Hiroshi Inui Tetsuya Tomita Darryl D. D’Lima Takaharu Yamazaki Shoji Konda Shuji Taketomi Ryota Yamagami Kohei Kawaguchi Shin Sameshima Tomofumi Kage Sakae Tanaka Cruciate ligament force of knees following mobile-bearing unicompartmental knee arthroplasty is larger than the preoperative value
description	Abstract We analyzed the implantation effects on cruciate ligament force in unicompartmental knee arthroplasty (UKA) and determined whether kinematics is associated with the cruciate ligament force. We examined 16 patients (17 knees) undergoing medial UKA. Under fluoroscopy, each participant performed a deep knee bend before and after UKA. A two-dimensional/three-dimensional registration technique was employed to measure tibiofemoral kinematics. Forces in the anteromedial and posterolateral bundles of both the anterior cruciate ligament (aACL and pACL) and the anterolateral and posteromedial bundles of the posterior cruciate ligament (aPCL and pPCL) during knee flexion were analyzed pre- and post-UKA. Correlations between changes in kinematics and ligament forces post-UKA were also analyzed. Preoperatively, the aACL forces were highly correlated with anteroposterior (AP) translation of the lateral condyles (Correlation coefficient [r] = 0.59). The pPCL forces were highly correlated with the varus–valgus angulation (r = − 0.57). However, postoperatively, the PCL forces in both bundles were highly correlated with the AP translation of the medial femoral condyle (aPCL: r = 0.62, pPCL: r = 0.60). The ACL and PCL forces of the knees post-UKA were larger than those of the knees pre-UKA. Kinematic changes were significantly correlated with the cruciate ligament force changes.
format	article
author	Kenichi Kono Hiroshi Inui Tetsuya Tomita Darryl D. D’Lima Takaharu Yamazaki Shoji Konda Shuji Taketomi Ryota Yamagami Kohei Kawaguchi Shin Sameshima Tomofumi Kage Sakae Tanaka
author_facet	Kenichi Kono Hiroshi Inui Tetsuya Tomita Darryl D. D’Lima Takaharu Yamazaki Shoji Konda Shuji Taketomi Ryota Yamagami Kohei Kawaguchi Shin Sameshima Tomofumi Kage Sakae Tanaka
author_sort	Kenichi Kono
title	Cruciate ligament force of knees following mobile-bearing unicompartmental knee arthroplasty is larger than the preoperative value
title_short	Cruciate ligament force of knees following mobile-bearing unicompartmental knee arthroplasty is larger than the preoperative value
title_full	Cruciate ligament force of knees following mobile-bearing unicompartmental knee arthroplasty is larger than the preoperative value
title_fullStr	Cruciate ligament force of knees following mobile-bearing unicompartmental knee arthroplasty is larger than the preoperative value
title_full_unstemmed	Cruciate ligament force of knees following mobile-bearing unicompartmental knee arthroplasty is larger than the preoperative value
title_sort	cruciate ligament force of knees following mobile-bearing unicompartmental knee arthroplasty is larger than the preoperative value
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/2e66cd0652704c15bd23c75f421813b0
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Cruciate ligament force of knees following mobile-bearing unicompartmental knee arthroplasty is larger than the preoperative value

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