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Young JJ, Zywiel MG, Skou ST, Chandran V, Davey JR, Gandhi R, Mahomed NN, Syed K, Veillette CJH, Rampersaud YR, Perruccio AV. Total Knee Arthroplasty Versus Education and Exercise for Knee Osteoarthritis: A Propensity-Matched Analysis. Arthritis Care Res (Hoboken) 2024; 76:682-690. [PMID: 38191793 DOI: 10.1002/acr.25293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/10/2024]
Abstract
OBJECTIVE We estimate the treatment effect of total knee arthroplasty (TKA) versus an education and exercise (Edu+Ex) program on pain, function, and quality of life outcomes 3 and 12 months after treatment initiation for knee osteoarthritis (OA). METHODS Patients with knee OA who had undergone TKA were matched on a 1:1 ratio with participants in an Edu+Ex program based on a propensity score fitted to a range of pretreatment covariates. After matching, between-group differences in improvement (the treatment effect) in Knee Injury and Osteoarthritis Outcome Score 12-item version (0, worst to 100, best) pain, function, and quality of life from baseline to 3 and 12 months were estimated using linear mixed models, adjusting for unbalanced covariates, if any, after matching. RESULTS The matched sample consisted of 522 patients (Edu+Ex, n = 261; TKA, n = 261) who were balanced on all pretreatment characteristics. At 12-month follow-up, TKA resulted in significantly greater improvements in pain (mean difference [MD] 22.8; 95% confidence interval [95% CI] 19.7-25.8), function (MD 21.2; 95% CI 17.7-24.4), and quality of life (MD 18.3; 15.0-21.6). Even so, at least one-third of patients receiving Edu+Ex had a clinically meaningful improvement in outcomes at 12 months compared with 75% of patients with TKA. CONCLUSION TKA is associated with greater improvements in pain, function, and quality of life, but these findings also suggest that Edu+Ex may be a viable alternative to TKA in a meaningful proportion of patients, which may reduce overall TKA need. Confirmatory trials are needed.
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Affiliation(s)
- James J Young
- University Health Network, Toronto, Ontario, Canada, and University of Southern Denmark, Odense, Denmark
| | - Michael G Zywiel
- University Health Network and University of Toronto, Toronto, Ontario, Canada
| | - Søren T Skou
- University of Southern Denmark, Odense, Denmark, and Næstved-Slagelse-Ringsted Hospitals, Slagelse, Denmark
| | - Vinod Chandran
- University Health Network and University of Toronto, Toronto, Ontario, Canada
| | - J Rod Davey
- University Health Network and University of Toronto, Toronto, Ontario, Canada
| | - Rajiv Gandhi
- University Health Network and University of Toronto, Toronto, Ontario, Canada
| | - Nizar N Mahomed
- University Health Network and University of Toronto, Toronto, Ontario, Canada
| | - Khalid Syed
- University Health Network, Toronto, Ontario, Canada
| | | | - Y Raja Rampersaud
- University Health Network and University of Toronto, Toronto, Ontario, Canada
| | - Anthony V Perruccio
- University Health Network and University of Toronto, Toronto, Ontario, Canada
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Park JY, Kim JH, Cho JW, Kim MS, Choi W. Clinical and radiological results of high tibial of osteotomy over the age of 65 are comparable to that of under 55 at minimum 2-year follow-up: a propensity score matched analysis. Knee Surg Relat Res 2024; 36:10. [PMID: 38419060 PMCID: PMC10900727 DOI: 10.1186/s43019-024-00214-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 02/08/2024] [Indexed: 03/02/2024] Open
Abstract
PURPOSE The results of medial open-wedge high tibial osteotomy (MOWHTO) according to age is inconclusive. This study aimed to compare the clinical outcomes and failure of MOWHTO in patients < 55 years and > 65 years. METHODS Consecutive patients who underwent MOWHTO from July 2009 to August 2020 were retrospectively analyzed. 205 patients were considered for analysis. A 1-to-1 propensity score matched analysis to assess clinical outcomes scores including International Knee Documentation Committee (IKDC) subjective score and Lysholm score, radiologic outcomes, complication, and Total Knee Arthroplasty (TKA) conversion between patients > 65 years and patients < 55 years was performed. Radiologic outcomes included Hip-Knee-Ankle (HKA) angle, Weight Bearing Line ratio (WBLR), posterior tibial slope (PTS), and Insall-Salvati (IS) ratio before and after surgery. RESULTS The follow-up period was 50.4 months in patients > 65 years and 55.3 months in patients < 55 years. There was no significant difference in the preoperative and postoperative HKA angle, WBLR, PTS, IS ratio, IKDC score and Lysholm score between the two groups. The arthroscopic evaluation of cartilage did not show any statistically significant differences between the two groups. Regarding Minimal clinically important differences (MCID), in the 26% of the older group exceeded MCID of IKDC score; 45% of the older group exceeded MCID of Lysholm score. In the younger group, 24% exceeded MCID of IKDC score and 35% exceeded MCID of Lysholm score. In older group, there were 7 (11.3%) cases of TKA conversion while no TKA conversion was recorded in the younger group. (P = 0.007) The average time to TKA conversion was 67 months. (42 months to 90 months) Kaplan-Meier analysis revealed that the survival rate was 95.2% at 4 years in the older group. CONCLUSION Similar clinical results were obtained in patients over 65 years of age that were eligible for MOWHTO at minimum 2-year follow-up as in patients under 55 years of age. MOWHTO may be a viable option in older patients if proper indications are met. However, the risk of TKA conversion must be considered preoperatively and discussed with patients. STUDY DESIGN Cohort study; Level of evidence, 3.
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Affiliation(s)
- Jae-Young Park
- Department of Orthopaedic Surgery, CHA University, CHA Bundang Medical Center, 351 Yatap-Dong, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Jae-Hwa Kim
- Department of Orthopaedic Surgery, CHA University, CHA Bundang Medical Center, 351 Yatap-Dong, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Jin-Woo Cho
- Department of Orthopaedic Surgery, CHA University, CHA Bundang Medical Center, 351 Yatap-Dong, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Min Soo Kim
- Department of Orthopaedic Surgery, CHA University, CHA Bundang Medical Center, 351 Yatap-Dong, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Wonchul Choi
- Department of Orthopaedic Surgery, CHA University, CHA Bundang Medical Center, 351 Yatap-Dong, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea.
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Hoorntje A, Pronk Y, Brinkman JM, van Geenen RCI, van Heerwaarden RJ. High tibial osteotomy versus unicompartmental knee arthroplasty for Kellgren-Lawrence grade 3-4 knee osteoarthritis in younger patients: comparable improvements in patient-reported outcomes, adjusted for osteoarthritis grade and sex. Knee Surg Sports Traumatol Arthrosc 2023; 31:4861-4870. [PMID: 37572139 PMCID: PMC10598142 DOI: 10.1007/s00167-023-07526-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 07/23/2023] [Indexed: 08/14/2023]
Abstract
PURPOSE Previous studies comparing high tibial osteotomy (HTO) with unicompartmental knee arthroplasty (UKA) have seldom accounted for differing patient characteristics between both groups. This study compared patient-reported outcomes (PROs) of HTO and UKA patients, adjusted for preoperative PROs, osteoarthritis grade and sex. METHODS A retrospective study was performed analysing prospectively collected PROs, namely the Oxford Knee Score (OKS) and pain/satisfaction scores, collected preoperatively and at 6 months, 12 months and 24 months postoperatively. Consecutive medial opening-wedge HTOs and medial UKAs from 2016-2019, with a preoperative Kellgren-Lawrence grade ≥ 3, aged 50-60 years, were included. Linear mixed model analyses, with the OKS over time as the primary outcome, were used. RESULTS We included 84 HTO patients (mean age 55.0 ± 3.0, 79% male, mean BMI 27.8 ± 3.4, 75% Kellgren-Lawrence grade 3) and 130 UKA patients (mean age 55.7 ± 2.8, 47% male, mean BMI 28.7 ± 4.0, 36% Kellgren-Lawrence grade 3). Response rates were ≥ 87% at all time points. Corrected for preoperative PROs, Kellgren-Lawrence grade and sex, the HTO group had a 2.5 (95% CI 1.0-4.0) points lower OKS over time than the UKA group (p = 0.001). The Numeric Rating Scale scores (NRS; 0-10) for pain at rest and during activity were higher (p < 0.01) in the HTO group. The EQ-5D-descriptive system (p < 0.01), NRS satisfaction (p < 0.01), anchor function and pain scores (p < 0.01) were lower over time in the HTO group. CONCLUSION UKA patients had better OKS scores, pain and satisfaction scores over time than HTO patients. However, the observed differences were below their established minimal clinically important differences. Therefore, from the patients' perspective, HTO did not appear to be inferior to UKA under the indications outlined in this study. Level of evidence Level IV.
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Affiliation(s)
- A Hoorntje
- Department of Orthopaedic Surgery and Sports Medicine, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
- Amsterdam Movement Sciences, Program Musculoskeletal Health, Amsterdam, The Netherlands.
| | - Y Pronk
- Research Department, Kliniek ViaSana, Mill, The Netherlands
| | - J M Brinkman
- Department of Orthopaedic Surgery, Kliniek ViaSana, Mill, The Netherlands
| | - R C I van Geenen
- Department of Orthopaedic Surgery, Foundation for Orthopaedic Research Care and Education, Amphia Hospital, Breda, The Netherlands
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Ishimatsu T, Takeuchi R, Ishikawa H, Maeyama A, Osawa K, Kimura N, Yamamoto T. Clinical outcomes of hybrid closed wedge high tibial osteotomy for advanced osteoarthritis of the knee compared with total knee arthroplasty. J Orthop Surg (Hong Kong) 2022; 30:10225536221137754. [PMID: 36331144 DOI: 10.1177/10225536221137754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
PURPOSE To evaluate clinical outcomes between hybrid closed wedge high tibial osteotomy (HCWHTO) and total knee arthroplasty (TKA) for advanced medial compartmental osteoarthritis of the knee (advanced knee OA). METHODS In more than grade 3 OA based on the Kellgren-Lawrence classification, when patients' age was less than 60 years or activity level was more than level 5 based on the UCLA activity score, 22 knees (18 patients) underwent HCWHTO. The other 22 knees (18 patients) that underwent TKA were evaluated retrospectively. Muscle strength was evaluated preoperatively and at 1 year postoperatively. The visual analogue scale (VAS) and Japanese version of the Knee injury and Osteoarthritis Outcome Score (J-KOOS) were used to evaluate clinical outcomes preoperatively and at a mean 66-months follow-up. RESULTS All postoperative muscle strength measures improved to preoperative equivalent levels in the HCWHTO group; they were significantly higher in the HCWHTO group than in the TKA group (p < .05). The VAS score and total J-KOOS significantly improved in both groups (HCWHTO, p = .001; TKA, p = .040); there were no significant differences in the scores between the groups at the final follow-up. Hybrid closed wedge HTO significantly improved the activities of daily living and sport/recreation scores, whereas TKA did not at the final follow-up. CONCLUSIONS In advanced knee OA, HCWHTO led to improved muscle strength, and its midterm clinical outcomes were equivalent to those of TKA. To postpone or even to avoid TKA, HCWHTO is considered an appropriate treatment for young and high-activity patients with advanced knee OA. LEVEL OF EVIDENCE Therapeutic Level III.
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Affiliation(s)
- Tetsuro Ishimatsu
- Department of Joint Surgery Center, 38068Yokosuka Municipal Hospital, Yokosuka city, Kanagawa, Japan.,Department of Orthopaedic Surgery, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Ryohei Takeuchi
- Department of Joint Surgery Center, 38068Yokosuka Municipal Hospital, Yokosuka city, Kanagawa, Japan.,Department of Joint Surgery Center, 50211Saiwaitsurumi Hospital, Yokosuka city, Kanagawa, Japan
| | - Hiroyuki Ishikawa
- Department of Joint Surgery Center, 38068Yokosuka Municipal Hospital, Yokosuka city, Kanagawa, Japan
| | - Akira Maeyama
- Department of Orthopaedic Surgery, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Katsunari Osawa
- Department of Joint Surgery Center, 38068Yokosuka Municipal Hospital, Yokosuka city, Kanagawa, Japan.,Department of Joint Surgery Center, 50211Saiwaitsurumi Hospital, Yokosuka city, Kanagawa, Japan
| | - Natsumi Kimura
- Department of Rehabilitation, Yokosuka Municipal Hospital, Yokosuka city, Kanagawa, Japan
| | - Takuaki Yamamoto
- Department of Orthopaedic Surgery, Fukuoka University Faculty of Medicine, Fukuoka, Japan
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