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The effect of exercise on sleep quality in heart failure

Suna, Jessica, Scott, Adam, Stewart, Ian, & Mudge, Alison M. (2012) The effect of exercise on sleep quality in heart failure. In Suna, Jessica, Scott, Adam, Stewart, Ian B., & Mudge, Alison M. (Eds.) Proceedings of European Society of Cardiology Heart Failure Congress 2012, Belgrade, Serbia.

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    Abstract

    Purpose The primary objective of this study was to examine the effect of exercise on subjective sleep quality in heart failure patients.

    Methods This study used a randomised, controlled trial design with blinded end-point analysis. Participants were randomly assigned to a 12-week programme of education and self-management support (control) or to the same programme with the addition of a tailored physical activity programme designed and supervised by an exercise specialist (intervention). The intervention consisted of 1 hour of aerobic and resistance exercise twice a week.

    Participants included 108 patients referred to three hospital heart failure services in Queensland, Australia.

    Results Patients who participated in supervised exercise classes showed significant improvement in subjective sleep quality, sleep latency, sleep disturbance and global sleep quality scores after 12 weeks of supervised hospital based exercise. Secondary analysis showed that improvements in sleep quality were correlated with improvements in geriatric depression score (p=0.00) and exercise performance (p=0.03). General linear models were used to examine whether the changes in sleep quality following intervention occurred independently of changes in depression, exercise performance and weight. Separate models adjusting for each covariate were performed. Results suggest that exercise significantly improved sleep quality independent of changes in depression, exercise performance and weight.

    Conclusion This study supports the hypothesis that a 12 week program of aerobic and resistance exercise improves subjective sleep quality in patients with heart failure. This is the first randomised controlled trial to examine the role of exercise in the improvement of sleep quality for patients with this disease. While this study establishes exercise as a therapy for poor sleep quality, further research is needed to investigate exercise as a treatment for other parameters of sleep in this population. Study investigators plan to undertake a more in-depth examination within the next 12 months

    Impact and interest:

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    ID Code: 54541
    Item Type: Conference Paper
    DOI: 10.1093/eurjhf/hss001
    Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CARDIOVASCULAR MEDICINE AND HAEMATOLOGY (110200) > Cardiology (incl. Cardiovascular Diseases) (110201)
    Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > HUMAN MOVEMENT AND SPORTS SCIENCE (110600) > Human Movement and Sports Science not elsewhere classified (110699)
    Divisions: Current > QUT Faculties and Divisions > Faculty of Health
    Current > Institutes > Institute of Health and Biomedical Innovation
    Current > Schools > School of Exercise & Nutrition Sciences
    Deposited On: 05 Nov 2012 11:26
    Last Modified: 07 Nov 2012 11:19

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