Factors Affecting Squatting Ability in Total Knee Arthroplasty Using High Flexion Prosthesis

Tiejian Li,1,2 Jingyang Sun,1,2 Yinqiao Du,2,3 Zhisen Gao,2,3 Haiyang Ma,2,3 Yonggang Zhou1– 3 1Medical School of Chinese PLA, Beijing, 100853, People’s Republic of China; 2Department of Orthopedics, The First Medical Center of PLA General Hospital, Beijing, 100048, People’s Republic of China; 3Seni...

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Autores principales:	Li T, Sun J, Du Y, Gao Z, Ma H, Zhou Y
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2021
Materias:	squatting ability · joint line elevation · preoperative rom · total knee arthroplasty Therapeutics. Pharmacology RM1-950
Acceso en línea:	https://doaj.org/article/13fce6f537d042aea27281b719afc10a
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spelling	oai:doaj.org-article:13fce6f537d042aea27281b719afc10a2021-11-30T18:50:37ZFactors Affecting Squatting Ability in Total Knee Arthroplasty Using High Flexion Prosthesis1178-203Xhttps://doaj.org/article/13fce6f537d042aea27281b719afc10a2021-11-01T00:00:00Zhttps://www.dovepress.com/factors-affecting-squatting-ability-in-total-knee-arthroplasty-using-h-peer-reviewed-fulltext-article-TCRMhttps://doaj.org/toc/1178-203XTiejian Li,1,2 Jingyang Sun,1,2 Yinqiao Du,2,3 Zhisen Gao,2,3 Haiyang Ma,2,3 Yonggang Zhou1– 3 1Medical School of Chinese PLA, Beijing, 100853, People’s Republic of China; 2Department of Orthopedics, The First Medical Center of PLA General Hospital, Beijing, 100048, People’s Republic of China; 3Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, 100853, People’s Republic of ChinaCorrespondence: Yonggang ZhouDepartment of Orthopedics, PLA General Hospital, Fuxing Road, Haidian District, Beijing, People’s Republic of ChinaTel +8613801287599Email ygzhou301@163.comPurpose: Total knee arthroplasty (TKA) is widely used as a treatment for knee osteoarthritis. Few studies have analysed the factors affecting the squatting ability of patients after TKA. The purpose of this study was to comprehensively analyse the factors affecting squatting ability after TKA and to determine which ones are important.Patients and Methods: Three hundred primary TKA cases with a minimum 3-year follow-up were retrospectively analysed. All patients received a conventional posterior-stabilized TKA implant and underwent a standard perioperative care pathway. The patients were divided into two groups according to the squatting position and knee flexion angle while weight-bearing (Group I – inability to squat group, Group II – ability to squat group). Demographic, operative, and clinical data were collected. Radiographic assessment included joint line elevation, patellar position, posterior condylar offset (PCO), etc. Statistical analysis of the effect of all the above factors on squatting ability was performed.Results: The preoperative range of motion and joint line of Group I were 82.9± 12.6 and 3.24± 1.07, respectively, and those of Group II were 107± 9.6 and 1.83± 0.89 respectively. The univariate analysis showed that age, prosthesis size, preoperative ROM and joint line position were correlated with squatting ability. But in the final multivariate analysis, joint line position and preoperative ROM were independent influencing factors that affected squatting ability after TKA (p value < 0.01).Conclusion: Preoperative ROM and joint line position were independent influencing factors affecting squatting ability after TKA. Patients should be counseled accordingly and be made to understand these factors. To ensure that patients can squat postoperatively, we should improve surgical techniques to control joint line elevation.Keywords: squatting ability, joint line elevation, preoperative ROM, total knee arthroplastyLi TSun JDu YGao ZMa HZhou YDove Medical Pressarticlesquatting ability · joint line elevation · preoperative rom · total knee arthroplastyTherapeutics. PharmacologyRM1-950ENTherapeutics and Clinical Risk Management, Vol Volume 17, Pp 1249-1256 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	squatting ability · joint line elevation · preoperative rom · total knee arthroplasty Therapeutics. Pharmacology RM1-950
spellingShingle	squatting ability · joint line elevation · preoperative rom · total knee arthroplasty Therapeutics. Pharmacology RM1-950 Li T Sun J Du Y Gao Z Ma H Zhou Y Factors Affecting Squatting Ability in Total Knee Arthroplasty Using High Flexion Prosthesis
description	Tiejian Li,1,2 Jingyang Sun,1,2 Yinqiao Du,2,3 Zhisen Gao,2,3 Haiyang Ma,2,3 Yonggang Zhou1– 3 1Medical School of Chinese PLA, Beijing, 100853, People’s Republic of China; 2Department of Orthopedics, The First Medical Center of PLA General Hospital, Beijing, 100048, People’s Republic of China; 3Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, 100853, People’s Republic of ChinaCorrespondence: Yonggang ZhouDepartment of Orthopedics, PLA General Hospital, Fuxing Road, Haidian District, Beijing, People’s Republic of ChinaTel +8613801287599Email ygzhou301@163.comPurpose: Total knee arthroplasty (TKA) is widely used as a treatment for knee osteoarthritis. Few studies have analysed the factors affecting the squatting ability of patients after TKA. The purpose of this study was to comprehensively analyse the factors affecting squatting ability after TKA and to determine which ones are important.Patients and Methods: Three hundred primary TKA cases with a minimum 3-year follow-up were retrospectively analysed. All patients received a conventional posterior-stabilized TKA implant and underwent a standard perioperative care pathway. The patients were divided into two groups according to the squatting position and knee flexion angle while weight-bearing (Group I – inability to squat group, Group II – ability to squat group). Demographic, operative, and clinical data were collected. Radiographic assessment included joint line elevation, patellar position, posterior condylar offset (PCO), etc. Statistical analysis of the effect of all the above factors on squatting ability was performed.Results: The preoperative range of motion and joint line of Group I were 82.9± 12.6 and 3.24± 1.07, respectively, and those of Group II were 107± 9.6 and 1.83± 0.89 respectively. The univariate analysis showed that age, prosthesis size, preoperative ROM and joint line position were correlated with squatting ability. But in the final multivariate analysis, joint line position and preoperative ROM were independent influencing factors that affected squatting ability after TKA (p value < 0.01).Conclusion: Preoperative ROM and joint line position were independent influencing factors affecting squatting ability after TKA. Patients should be counseled accordingly and be made to understand these factors. To ensure that patients can squat postoperatively, we should improve surgical techniques to control joint line elevation.Keywords: squatting ability, joint line elevation, preoperative ROM, total knee arthroplasty
format	article
author	Li T Sun J Du Y Gao Z Ma H Zhou Y
author_facet	Li T Sun J Du Y Gao Z Ma H Zhou Y
author_sort	Li T
title	Factors Affecting Squatting Ability in Total Knee Arthroplasty Using High Flexion Prosthesis
title_short	Factors Affecting Squatting Ability in Total Knee Arthroplasty Using High Flexion Prosthesis
title_full	Factors Affecting Squatting Ability in Total Knee Arthroplasty Using High Flexion Prosthesis
title_fullStr	Factors Affecting Squatting Ability in Total Knee Arthroplasty Using High Flexion Prosthesis
title_full_unstemmed	Factors Affecting Squatting Ability in Total Knee Arthroplasty Using High Flexion Prosthesis
title_sort	factors affecting squatting ability in total knee arthroplasty using high flexion prosthesis
publisher	Dove Medical Press
publishDate	2021
url	https://doaj.org/article/13fce6f537d042aea27281b719afc10a
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Factors Affecting Squatting Ability in Total Knee Arthroplasty Using High Flexion Prosthesis

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