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Silva MDC, Woodward AP, Fearon AM, Perriman DM, Spencer TJ, Couldrick JM, Scarvell JM. Minimal clinically important change of knee flexion in people with knee osteoarthritis after non-surgical interventions using a meta-analytical approach. Syst Rev 2024; 13:50. [PMID: 38303000 PMCID: PMC10832130 DOI: 10.1186/s13643-023-02393-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 11/17/2023] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Minimal clinically important change (MCIC) represents the minimum patient-perceived improvement in an outcome after treatment, in an individual or within a group over time. This study aimed to determine MCIC of knee flexion in people with knee OA after non-surgical interventions using a meta-analytical approach. METHODS Four databases (MEDLINE, Cochrane, Web of Science and CINAHL) were searched for studies of randomised clinical trials of non-surgical interventions with intervention duration of ≤ 3 months that reported change in (Δ) (mean change between baseline and immediately after the intervention) knee flexion with Δ pain or Δ function measured using tools that have established MCIC values. The risk of bias in the included studies was assessed using version 2 of the Cochrane risk-of-bias tool for randomised trials (RoB 2). Bayesian meta-analytic models were used to determine relationships between Δ flexion with Δ pain and Δ function after non-surgical interventions and MCIC of knee flexion. RESULTS Seventy-two studies (k = 72, n = 5174) were eligible. Meta-analyses included 140 intervention arms (k = 61, n = 4516) that reported Δ flexion with Δ pain using the visual analog scale (pain-VAS) and Δ function using the Western Ontario and McMaster Universities Osteoarthritis Index function subscale (function-WOMAC). Linear relationships between Δ pain at rest-VAS (0-100 mm) with Δ flexion were - 0.29 (- 0.44; - 0.15) (β: posterior median (CrI: credible interval)). Relationships between Δ pain during activity VAS and Δ flexion were - 0.29 (- 0.41, - 0.18), and Δ pain-general VAS and Δ flexion were - 0.33 (- 0.42, - 0.23). The relationship between Δ function-WOMAC (out of 100) and Δ flexion was - 0.15 (- 0.25, - 0.07). Increased Δ flexion was associated with decreased Δ pain-VAS and increased Δ function-WOMAC. The point estimates for MCIC of knee flexion ranged from 3.8 to 6.4°. CONCLUSIONS The estimated knee flexion MCIC values from this study are the first to be reported using a novel meta-analytical method. The novel meta-analytical method may be useful to estimate MCIC for other measures where anchor questions are problematic. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42022323927.
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Affiliation(s)
- M Denika C Silva
- Faculty of Health, University of Canberra, Bruce, ACT, 2617, Australia.
- Trauma and Orthopaedic Research Unit, Canberra Hospital, Canberra, Australia.
- Department of Physiotherapy, General Sir John Kotelawala Defence University, Werahera, Colombo, Sri Lanka.
| | - Andrew P Woodward
- Faculty of Health, University of Canberra, Bruce, ACT, 2617, Australia
| | - Angela M Fearon
- Faculty of Health, University of Canberra, Bruce, ACT, 2617, Australia
- Trauma and Orthopaedic Research Unit, Canberra Hospital, Canberra, Australia
- Research Institute for Sport and Exercise, University of Canberra, Canberra, Australia
| | - Diana M Perriman
- Faculty of Health, University of Canberra, Bruce, ACT, 2617, Australia
- Trauma and Orthopaedic Research Unit, Canberra Hospital, Canberra, Australia
- College of Medicine and Health Sciences, Australian National University, Canberra, Australia
| | - Trevor J Spencer
- Faculty of Health, University of Canberra, Bruce, ACT, 2617, Australia
- Trauma and Orthopaedic Research Unit, Canberra Hospital, Canberra, Australia
- Research Institute for Sport and Exercise, University of Canberra, Canberra, Australia
| | - Jacqui M Couldrick
- Faculty of Health, University of Canberra, Bruce, ACT, 2617, Australia
- Trauma and Orthopaedic Research Unit, Canberra Hospital, Canberra, Australia
| | - Jennie M Scarvell
- Faculty of Health, University of Canberra, Bruce, ACT, 2617, Australia
- Trauma and Orthopaedic Research Unit, Canberra Hospital, Canberra, Australia
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Smith KM, Massey BJ, Young JL, Rhon DI. What are the unsupervised exercise adherence rates in clinical trials for knee osteoarthritis? A systematic review. Braz J Phys Ther 2023; 27:100533. [PMID: 37597491 PMCID: PMC10462806 DOI: 10.1016/j.bjpt.2023.100533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 07/11/2023] [Accepted: 08/04/2023] [Indexed: 08/21/2023] Open
Abstract
BACKGROUND Exercise is an effective intervention for knee osteoarthritis (OA), and unsupervised exercise programs should be a common adjunct to most treatments. However, it is unknown if current clinical trials are capturing information regarding adherence. OBJECTIVE To summarize the extent and quality of reporting of unsupervised exercise adherence in clinical trials for knee OA. METHODS Reviewers searched five databases (PubMed, CINAHL, Medline (OVID), EMBASE and Cochrane). Randomized controlled trials where participants with knee OA engaged in an unsupervised exercise program were included. The extent to which exercise adherence was monitored and reported was assessed and findings were subgrouped according to method for tracking adherence. The types of adherence measurement categories were synthesized. A quality assessment was completed using the Physiotherapy Evidence Database (PEDro) scores. RESULTS Of 3622 abstracts screened, 176 studies met criteria for inclusion. PEDro scores for study quality ranged from two to ten (mean=6.3). Exercise adherence data was reported in 72 (40.9%) studies. Twenty-six (14.8%) studies only mentioned collection of adherence. Adherence rates ranged from 3.7 to 100% in trials that reported adherence. For 18 studies (10.2%) that tracked acceptable adherence, there was no clear superiority in treatment effect based on adherence rates. CONCLUSIONS Clinical trials for knee OA do not consistently collect or report adherence with unsupervised exercise programs. Slightly more than half of the studies reported collecting adherence data while only 40.9% reported findings with substantial heterogeneity in tracking methodology. The clinical relevance of these programs cannot be properly contextualized without this information.
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Affiliation(s)
- Kristin M Smith
- Science Program in Physical Therapy, Bellin College, Green Bay, WI, USA.
| | - B James Massey
- Science Program in Physical Therapy, Bellin College, Green Bay, WI, USA; Department of Physical Therapy, Wingate University, Wingate, NC, USA
| | - Jodi L Young
- Science Program in Physical Therapy, Bellin College, Green Bay, WI, USA
| | - Daniel I Rhon
- Science Program in Physical Therapy, Bellin College, Green Bay, WI, USA; Department of Rehabilitation Medicine, School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
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Holden MA, Nicolson PJA, Thomas MJ, Corp N, Hinman RS, Bennell KL. Osteoarthritis year in review 2022: rehabilitation. Osteoarthritis Cartilage 2023; 31:177-186. [PMID: 36244626 DOI: 10.1016/j.joca.2022.10.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/26/2022] [Accepted: 10/06/2022] [Indexed: 11/07/2022]
Abstract
This year in review presents key highlights from research relating to osteoarthritis (OA) rehabilitation published from the 1st April 2021 to the 18th March 2022. To identify studies for inclusion in the review, an electronic database search was carried out in Medline, Embase and CINAHLplus. Following screening, included studies were grouped according to their predominant topic area, including core OA rehabilitation treatments (education, exercise, weight loss), adjunctive treatments, novel and emerging treatments or research methods, and translation of rehabilitation evidence into practice. Studies of perceived high clinical importance, quality, or controversy in the field were selected for inclusion in the review. Headline findings include: the positive role of technology to support remote delivery of core OA rehabilitation treatments, the importance of delivering educational interventions alongside exercise, the clinical and cost-effectiveness of a stepped approach to exercise, controversy around the potential mechanisms of action of exercise, mixed findings regarding the use of splinting for thumb base OA, increasing research on blood flow restriction training as a potential new intervention for OA, and evidence that the beneficial effects from core OA treatments seen in randomised controlled trials can be seen when implemented in clinical practice. A consistent finding across several recently published systematic reviews is that randomised controlled trials testing OA rehabilitation interventions are often small, with some risk of bias. Whilst future research is warranted, it needs to be large scale and robust, to enable definitive answers to important remaining questions in the field of OA rehabilitation.
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Affiliation(s)
- M A Holden
- School of Medicine, David Weatherall Building, Keele University, Staffordshire, UK.
| | - P J A Nicolson
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, UK
| | - M J Thomas
- School of Medicine, David Weatherall Building, Keele University, Staffordshire, UK; Haywood Academic Rheumatology Centre, Midlands Partnership NHS Foundation Trust, Haywood Hospital, Staffordshire, UK
| | - N Corp
- School of Medicine, David Weatherall Building, Keele University, Staffordshire, UK
| | - R S Hinman
- Centre for Health, Exercise & Sports Medicine, Department of Physiotherapy, University of Melbourne, Australia
| | - K L Bennell
- Centre for Health, Exercise & Sports Medicine, Department of Physiotherapy, University of Melbourne, Australia
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