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The impact of high intensity interval training on disease activity and patient disease perception in patients with psoriatic arthritis: a randomized controlled trial

Thomsen, Ruth Stoklund; Nilsen, Tom Ivar Lund; Haugeberg, Glenn; Bye, Anja; Kavanaugh, Arthur; Hoff, Mari
Journal article, Peer reviewed
Accepted version
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URI
http://hdl.handle.net/11250/2586914
Date
2018
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  • Institutt for nevromedisin og bevegelsesvitenskap [1645]
  • Institutt for samfunnsmedisin og sykepleie [1713]
  • Institutt for sirkulasjon og bildediagnostikk [1012]
  • Publikasjoner fra CRIStin - NTNU [19793]
Original version
Arthritis care & research. 2018, .   10.1002/acr.23614
Abstract
Objective

The aim of this study was to evaluate the impact of high intensity interval training (HIIT) on disease activity and patient disease perception in patients with psoriatic arthritis (PsA), and evaluating if a potential effect could be sustained for a longer period.

Methods

We randomly assigned 67 PsA patients (43 women and 24 men) to an intervention group performing HIIT for 11 weeks or a control group who were instructed to not change their physical exercise habits. Outcomes were assessed at three and nine months with the patient global assessment (PGA), fatigue, and pain measured on a 100 mm visual analog scale and the composite disease activity score of 44 joints (DAS44) was calculated. We used linear mixed models to calculate mean difference with 95% confidence interval (CI) between the groups according to the intention‐to‐treat principle.

Results

At three months there was no clear difference in PGA (‐0.49; 95% CI ‐10.91 to 9.94), DAS44 (‐0.08; 95% CI ‐0.36 to 0.20) or pain intensity (5.45; 95% CI ‐4.36 to 15.26) between the groups. However, the HIIT group reported less fatigue (‐12.83; 95% CI ‐25.88 to 0.23) than the control group. There was no evidence of long‐term effects of HIIT on outcomes measured at nine months.

Conclusion

HIIT showed no clear effects on disease activity markers in patients with PsA, but the exercise group reported meaningfully less fatigue after the intervention period. This study suggests that PsA patients tolerate HIIT without deterioration of disease activity and with improvement in fatigue.
Publisher
Wiley
Journal
Arthritis care & research

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