Publication: Short-term cryotherapy did not substantially reduce pain and had unclear effects on physical function and quality of life in people with knee osteoarthritis: a randomised trial.
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Identifiers
Date
2019-09-11
Authors
Dantas, Lucas Ogura
Breda, Carolina Carreira
da Silva Serrao, Paula Regina Mendes
Aburquerque-Sendin, Francisco
Serafim Jorge, Ana Elisa
Cunha, Jonathan Emanuel
Barbosa, Germanna Medeiros
Durigan, Joao Luiz Quagliotti
Salvini, Tania de Fatima
Advisors
Journal Title
Journal ISSN
Volume Title
Publisher
Elsevier
Abstract
Does short-term cryotherapy improve pain, function and quality of life in people with knee osteoarthritis (OA)? Randomised controlled trial with concealed allocation, blinded assessment of some outcomes, and intention-to-treat analysis. People living in the community with knee OA. The experimental group received cryotherapy, delivered as packs of crushed ice applied to the knee with mild compression. The control group received the same regimen but with sham packs filled with sand. The interventions were applied once a day for 4 consecutive days. Participants were assessed at baseline and on the day after the 4-day intervention period. The primary outcome was pain intensity according to a visual analogue scale. Secondary outcomes were baseline to post-intervention changes according to the Western Ontario and McMaster Universities Osteoarthritis, Knee injury and Osteoarthritis Outcome; Timed Up and Go test; and 30-Second Chair to Stand test. Sixty participants were randomised into the experimental group (n = 30) or the control group (n = 30). Twenty-nine participants from each group completed the trial. The mean between-group difference in change in pain severity was -0.8 cm (95% CI -1.6 to 0.1), where negative values favour the experimental group. This result did not reach the nominated smallest worthwhile effect of 1.75 cm. The secondary outcomes had less-precise estimates, with confidence intervals that spanned worthwhile, trivial and mildly harmful effects. Short-term cryotherapy was not superior to a sham intervention in terms of relieving pain or improving function and quality of life in people with knee OA. Although cryotherapy is considered to be a widely used resource in clinical practice, this study does not suggest that it has an important short-term effect, when compared with a sham control, as a non-pharmacological treatment for people with knee osteoarthritis.
Description
MeSH Terms
Aged
Arthralgia
Cryotherapy
Disability evaluation
Female
Humans
Intention to treat analysis
Male
Middle aged
Osteoarthritis, knee
Pain management
Pain measurement
Quality of life
Arthralgia
Cryotherapy
Disability evaluation
Female
Humans
Intention to treat analysis
Male
Middle aged
Osteoarthritis, knee
Pain management
Pain measurement
Quality of life
DeCS Terms
Análisis de intención de tratar
Artralgia
Calidad de vida
Crioterapia
Dimensión del dolor
Evaluación de la discapacidad
Manejo del dolor
Osteoartritis de la rodilla
Artralgia
Calidad de vida
Crioterapia
Dimensión del dolor
Evaluación de la discapacidad
Manejo del dolor
Osteoartritis de la rodilla
CIE Terms
Keywords
Cryotherapy, Knee, Osteoarthritis, Physical therapy, Randomised trial
Citation
Dantas LO, Breda CC, da Silva Serrao PRM, Aburquerque-Sendín F, Serafim Jorge AE, Cunha JE, et al. Short-term cryotherapy did not substantially reduce pain and had unclear effects on physical function and quality of life in people with knee osteoarthritis: a randomised trial. J Physiother. 2019 Oct;65(4):215-221