Influence of Preoperative Physical Function on Gait 1 Month After Total Knee Arthroplasty

Background : This study aimed to identify the preoperative physical performance factors that predict gait speed and endurance 1 month after total knee arthroplasty (TKA). Methods : This prospective cohort study included all patients who underwent unilateral primary TKA in December 2014-2016. Before...

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Main Authors: So Young Lee, Bo Ryun Kim, Sang Rim Kim, Eun Young Han, Kwang Woo Nam, Yong-Geun Park
Format: Article
Language:English
Published: Korea Geriatrics Society 2017-12-01
Series:Annals of Geriatric Medicine and Research
Subjects:
Online Access:http://www.e-agmr.org/journal/view.html?doi=10.4235/agmr.2017.21.4.188
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author So Young Lee
Bo Ryun Kim
Sang Rim Kim
Eun Young Han
Kwang Woo Nam
Yong-Geun Park
author_facet So Young Lee
Bo Ryun Kim
Sang Rim Kim
Eun Young Han
Kwang Woo Nam
Yong-Geun Park
author_sort So Young Lee
collection DOAJ
description Background : This study aimed to identify the preoperative physical performance factors that predict gait speed and endurance 1 month after total knee arthroplasty (TKA). Methods : This prospective cohort study included all patients who underwent unilateral primary TKA in December 2014-2016. Before and at 1 month after TKA, gait variables, bilateral isometric knee extensor and flexor strength, and range of motion (ROM) (flexion and extension) of the operated knee were measured; further, a 6-minute walk test (6MWT), a Timed Up and Go (TUG) test, and a stair-climbing test (SCT) were conducted. The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), the EuroQoL 5-dimension (EQ-5D) questionnaire, and the visual analogue scale (VAS) of knee pain were also completed. Results : A total of 84 patients were included. Bivariate analyses showed that postoperative gait speed significantly and positively correlated with preoperative gait speed, gait cadence, ROM of knee flexion, and 6MWT, but significantly and negatively correlated with age and preoperative TUG test, SCT-descent, WOMAC-Function score, and VAS score. The postoperative 6MWT significantly and positively correlated with preoperative gait cadence and 6MWT, but significantly and negatively with preoperative body mass index (BMI), TUG test, SCT-ascent, and WOMAC-Function score. Linear regression analyses showed that age, preoperative ROM of knee flexion, and TUG test were independent predictors of postoperative gait speed, while preoperative BMI and 6MWT predicted postoperative 6MWT. Conclusion : These preoperative predictive factors will be useful in developing pre- and postoperative rehabilitation strategies aimed at improving gait function in the early stages after TKA.
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spelling doaj.art-23d4558c53e74e81a68dc966b139d2752022-12-22T02:20:53ZengKorea Geriatrics SocietyAnnals of Geriatric Medicine and Research2508-47982017-12-0121418819610.4235/agmr.2017.21.4.188agmr.2017.21.4.188Influence of Preoperative Physical Function on Gait 1 Month After Total Knee ArthroplastySo Young Lee0Bo Ryun Kim1Sang Rim Kim2Eun Young Han3Kwang Woo Nam4Yong-Geun Park5Department of Rehabilitation Medicine, Regional Rheumatoid and Degenerative Arthritis Center, Jeju National University Hospital, Jeju National University School of Medicine, Jeju, KoreaDepartment of Rehabilitation Medicine, Regional Rheumatoid and Degenerative Arthritis Center, Jeju National University Hospital, Jeju National University School of Medicine, Jeju, KoreaDepartment of Orthopedic Surgery, Regional Rheumatoid and Degenerative Arthritis Center, Jeju National University Hospital, Jeju National University School of Medicine, Jeju, KoreaDepartment of Rehabilitation Medicine, Regional Rheumatoid and Degenerative Arthritis Center, Jeju National University Hospital, Jeju National University School of Medicine, Jeju, KoreaDepartment of Orthopedic Surgery, Regional Rheumatoid and Degenerative Arthritis Center, Jeju National University Hospital, Jeju National University School of Medicine, Jeju, KoreaDepartment of Orthopedic Surgery, Regional Rheumatoid and Degenerative Arthritis Center, Jeju National University Hospital, Jeju National University School of Medicine, Jeju, KoreaBackground : This study aimed to identify the preoperative physical performance factors that predict gait speed and endurance 1 month after total knee arthroplasty (TKA). Methods : This prospective cohort study included all patients who underwent unilateral primary TKA in December 2014-2016. Before and at 1 month after TKA, gait variables, bilateral isometric knee extensor and flexor strength, and range of motion (ROM) (flexion and extension) of the operated knee were measured; further, a 6-minute walk test (6MWT), a Timed Up and Go (TUG) test, and a stair-climbing test (SCT) were conducted. The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), the EuroQoL 5-dimension (EQ-5D) questionnaire, and the visual analogue scale (VAS) of knee pain were also completed. Results : A total of 84 patients were included. Bivariate analyses showed that postoperative gait speed significantly and positively correlated with preoperative gait speed, gait cadence, ROM of knee flexion, and 6MWT, but significantly and negatively correlated with age and preoperative TUG test, SCT-descent, WOMAC-Function score, and VAS score. The postoperative 6MWT significantly and positively correlated with preoperative gait cadence and 6MWT, but significantly and negatively with preoperative body mass index (BMI), TUG test, SCT-ascent, and WOMAC-Function score. Linear regression analyses showed that age, preoperative ROM of knee flexion, and TUG test were independent predictors of postoperative gait speed, while preoperative BMI and 6MWT predicted postoperative 6MWT. Conclusion : These preoperative predictive factors will be useful in developing pre- and postoperative rehabilitation strategies aimed at improving gait function in the early stages after TKA.http://www.e-agmr.org/journal/view.html?doi=10.4235/agmr.2017.21.4.188OsteoarthritisKneeArthroplastyGaitRehabilitation
spellingShingle So Young Lee
Bo Ryun Kim
Sang Rim Kim
Eun Young Han
Kwang Woo Nam
Yong-Geun Park
Influence of Preoperative Physical Function on Gait 1 Month After Total Knee Arthroplasty
Annals of Geriatric Medicine and Research
Osteoarthritis
Knee
Arthroplasty
Gait
Rehabilitation
title Influence of Preoperative Physical Function on Gait 1 Month After Total Knee Arthroplasty
title_full Influence of Preoperative Physical Function on Gait 1 Month After Total Knee Arthroplasty
title_fullStr Influence of Preoperative Physical Function on Gait 1 Month After Total Knee Arthroplasty
title_full_unstemmed Influence of Preoperative Physical Function on Gait 1 Month After Total Knee Arthroplasty
title_short Influence of Preoperative Physical Function on Gait 1 Month After Total Knee Arthroplasty
title_sort influence of preoperative physical function on gait 1 month after total knee arthroplasty
topic Osteoarthritis
Knee
Arthroplasty
Gait
Rehabilitation
url http://www.e-agmr.org/journal/view.html?doi=10.4235/agmr.2017.21.4.188
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AT eunyounghan influenceofpreoperativephysicalfunctionongait1monthaftertotalkneearthroplasty
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