Physical Performance and Patient-Reported Outcomes Remain Stable at 5 Years After Total Knee Arthroplasty

Purpose: To evaluate changes in physical performance tests (PPTs) and patient-reported outcome measures (PROMs) at baseline, 1 year after total knee arthroplasty (TKA), and a minimum of 5 years after TKA. Methods: We enrolled patients who underwent TKA between 2013 and 2015 performed by a single art...

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Main Authors: Pakpoom Ruangsomboon, M.D., M.Sc., Onlak Ruangsomboon, M.D., M.Sc., Chirathit Anusitviwat, M.D., Bheeshma Ravi, M.D., Ph.D., F.R.C.S.C., Aasis Unnanuntana, M.D., M.Sc.
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:Arthroscopy, Sports Medicine, and Rehabilitation
Online Access:http://www.sciencedirect.com/science/article/pii/S2666061X25000306
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author Pakpoom Ruangsomboon, M.D., M.Sc.
Onlak Ruangsomboon, M.D., M.Sc.
Chirathit Anusitviwat, M.D.
Bheeshma Ravi, M.D., Ph.D., F.R.C.S.C.
Aasis Unnanuntana, M.D., M.Sc.
author_facet Pakpoom Ruangsomboon, M.D., M.Sc.
Onlak Ruangsomboon, M.D., M.Sc.
Chirathit Anusitviwat, M.D.
Bheeshma Ravi, M.D., Ph.D., F.R.C.S.C.
Aasis Unnanuntana, M.D., M.Sc.
author_sort Pakpoom Ruangsomboon, M.D., M.Sc.
collection DOAJ
description Purpose: To evaluate changes in physical performance tests (PPTs) and patient-reported outcome measures (PROMs) at baseline, 1 year after total knee arthroplasty (TKA), and a minimum of 5 years after TKA. Methods: We enrolled patients who underwent TKA between 2013 and 2015 performed by a single arthroplasty surgeon at Siriraj Hospital, Mahidol University, Bangkok, Thailand. We evaluated PPTs and PROMs over a minimum 5-year follow-up period to assess changes over time, identified independent factors associated with PPT deterioration, and determined TKA survivorship. Results: The study included 126 participants with a mean age of 77.8 years. The average follow-up time was 7.4 ± 2.3 years. PPTs and PROMs changed significantly over time from baseline. However, the 2-minute walk test and timed up-and-go test results slightly declined after 1 year but did not attain minimal clinically important differences, and PROMs were maintained and showed no clinically significant changes after 1 year. Hospitalizations owing to complex medical conditions or trauma were independently associated with PPT deterioration. There was a 98.8% survivorship rate at 7.6 years. Conclusions: In an Asian population undergoing TKA, PPTs and PROMs are maintained within acceptable ranges for at least 5 years after primary TKA. Trauma or hospitalizations arising from complex medical conditions were found to be associated with functional decline. A combined evaluation of PPTs and PROMs is advocated for a comprehensive assessment of patients after TKA. Level of Evidence: Level III, cohort study.
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spelling doaj-art-b8349c8fefc9417da9cdf8e4a96ca11c2025-06-27T05:52:16ZengElsevierArthroscopy, Sports Medicine, and Rehabilitation2666-061X2025-06-0173101104Physical Performance and Patient-Reported Outcomes Remain Stable at 5 Years After Total Knee ArthroplastyPakpoom Ruangsomboon, M.D., M.Sc.0Onlak Ruangsomboon, M.D., M.Sc.1Chirathit Anusitviwat, M.D.2Bheeshma Ravi, M.D., Ph.D., F.R.C.S.C.3Aasis Unnanuntana, M.D., M.Sc.4Department of Orthopaedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand; Sunnybrook Health Sciences Centre, Division of Orthopaedic Surgery, University of Toronto, Toronto, CanadaUpstream Lab, MAP Centre for Urban Health Solutions, Li Ka Shing Knowledge Institute, Unity Health Toronto, Toronto, Canada; Department of Emergency Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, ThailandDepartment of Orthopedics, Faculty of Medicine, Prince of Songkla University, Songkhla, ThailandSunnybrook Health Sciences Centre, Division of Orthopaedic Surgery, University of Toronto, Toronto, CanadaDepartment of Orthopaedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand; Address correspondence to Aasis Unnanuntana, M.D., M.Sc., Department of Orthopaedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok 10700, Thailand.Purpose: To evaluate changes in physical performance tests (PPTs) and patient-reported outcome measures (PROMs) at baseline, 1 year after total knee arthroplasty (TKA), and a minimum of 5 years after TKA. Methods: We enrolled patients who underwent TKA between 2013 and 2015 performed by a single arthroplasty surgeon at Siriraj Hospital, Mahidol University, Bangkok, Thailand. We evaluated PPTs and PROMs over a minimum 5-year follow-up period to assess changes over time, identified independent factors associated with PPT deterioration, and determined TKA survivorship. Results: The study included 126 participants with a mean age of 77.8 years. The average follow-up time was 7.4 ± 2.3 years. PPTs and PROMs changed significantly over time from baseline. However, the 2-minute walk test and timed up-and-go test results slightly declined after 1 year but did not attain minimal clinically important differences, and PROMs were maintained and showed no clinically significant changes after 1 year. Hospitalizations owing to complex medical conditions or trauma were independently associated with PPT deterioration. There was a 98.8% survivorship rate at 7.6 years. Conclusions: In an Asian population undergoing TKA, PPTs and PROMs are maintained within acceptable ranges for at least 5 years after primary TKA. Trauma or hospitalizations arising from complex medical conditions were found to be associated with functional decline. A combined evaluation of PPTs and PROMs is advocated for a comprehensive assessment of patients after TKA. Level of Evidence: Level III, cohort study.http://www.sciencedirect.com/science/article/pii/S2666061X25000306
spellingShingle Pakpoom Ruangsomboon, M.D., M.Sc.
Onlak Ruangsomboon, M.D., M.Sc.
Chirathit Anusitviwat, M.D.
Bheeshma Ravi, M.D., Ph.D., F.R.C.S.C.
Aasis Unnanuntana, M.D., M.Sc.
Physical Performance and Patient-Reported Outcomes Remain Stable at 5 Years After Total Knee Arthroplasty
Arthroscopy, Sports Medicine, and Rehabilitation
title Physical Performance and Patient-Reported Outcomes Remain Stable at 5 Years After Total Knee Arthroplasty
title_full Physical Performance and Patient-Reported Outcomes Remain Stable at 5 Years After Total Knee Arthroplasty
title_fullStr Physical Performance and Patient-Reported Outcomes Remain Stable at 5 Years After Total Knee Arthroplasty
title_full_unstemmed Physical Performance and Patient-Reported Outcomes Remain Stable at 5 Years After Total Knee Arthroplasty
title_short Physical Performance and Patient-Reported Outcomes Remain Stable at 5 Years After Total Knee Arthroplasty
title_sort physical performance and patient reported outcomes remain stable at 5 years after total knee arthroplasty
url http://www.sciencedirect.com/science/article/pii/S2666061X25000306
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