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- Title
Effectiveness of an Internet-Delivered Exercise and Pain-Coping Skills Training Intervention for Persons With Chronic Knee Pain: A Randomized Trial.
- Authors
Bennell, Kim L; Nelligan, Rachel; Dobson, Fiona; Rini, Christine; Keefe, Francis; Kasza, Jessica; French, Simon; Bryant, Christina; Dalwood, Andrew; Abbott, J Haxby; Hinman, Rana S
- Abstract
<bold>Background: </bold>Effective, accessible biopsychosocial treatments are needed to manage chronic knee pain on a population level.<bold>Objective: </bold>To evaluate the effectiveness of Internet-delivered, physiotherapist-prescribed home exercise and pain-coping skills training (PCST).<bold>Design: </bold>Pragmatic parallel-group randomized, controlled trial. (Australian New Zealand Clinical Trials Registry: ACTRN12614000243617).<bold>Setting: </bold>Community (Australia).<bold>Patients: </bold>148 persons aged 50 years or older with chronic knee pain.<bold>Intervention: </bold>The intervention was delivered via the Internet and included educational material, 7 videoconferencing (Skype [Microsoft]) sessions with a physiotherapist for home exercise, and a PCST program over 3 months. The control was Internet-based educational material.<bold>Measurements: </bold>Primary outcomes were pain during walking (11-point numerical rating scale) and physical function (Western Ontario and McMaster Universities Osteoarthritis Index) at 3 months. Secondary outcomes were knee pain, quality of life, global change (overall, pain, and functional status), arthritis self-efficacy, coping, and pain catastrophizing. Outcomes were also measured at 9 months.<bold>Results: </bold>Of participants enrolled, 139 (94%) completed primary outcome measures at 3 months and 133 (90%) completed secondary outcome measures at 9 months; multiple imputation was used for missing data. The intervention group reported significantly more improvement in pain (mean difference, 1.6 units [95% CI, 0.9 to 2.3 units]) and physical function (mean difference, 9.3 units [CI, 5.9 to 12.7 units]) than the control group at 3 months, and improvements were sustained at 9 months (mean differences, 1.1 units [CI, 0.4 to 1.8 units] and 7.0 units [CI, 3.4 to 10.5 units], respectively). Intervention participants showed significantly more improvement in most secondary outcomes than control participants. At both time points, significantly more intervention participants reported global improvements.<bold>Limitation: </bold>Participants were unblinded.<bold>Conclusion: </bold>For persons with chronic knee pain, Internet-delivered, physiotherapist-prescribed exercise and PCST provide clinically meaningful improvements in pain and function that are sustained for at least 6 months.<bold>Primary Funding Source: </bold>National Health and Medical Research Council.
- Subjects
CHRONIC pain treatment; OSTEOARTHRITIS treatment; ADAPTABILITY (Personality); CHRONIC pain; COMPARATIVE studies; EXERCISE therapy; PATIENT aftercare; INTERNET; KNEE diseases; RESEARCH methodology; MEDICAL cooperation; OSTEOARTHRITIS; PATIENT education; RESEARCH; EVALUATION research; PAIN measurement; RANDOMIZED controlled trials; TREATMENT effectiveness; THERAPEUTICS
- Publication
Annals of Internal Medicine, 2017, Vol 166, Issue 4, pN.PAG
- ISSN
0003-4819
- Publication type
journal article
- DOI
10.7326/M16-1714