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Effect of interval compared to continuous exercise training on physiological responses in patients with Chronic Respiratory Diseases: a systematic review and meta-analysis.

Alexiou, C., Ward, L., Hume, E., Armstrong, M., Wilkinson, M. and Vogiatzis, I., 2021. Effect of interval compared to continuous exercise training on physiological responses in patients with Chronic Respiratory Diseases: a systematic review and meta-analysis. Chronic Respiratory Disease, 18. (In Press)

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DOI: 10.1177/14799731211041506

Abstract

Background: Current evidence suggests that interval (IET) and continuous exercise training (CET) produce comparable benefits in exercise capacity, cardiorespiratory fitness and symptoms in patients with chronic obstructive pulmonary disease (COPD). However, the effects of these modalities have only been reviewed in patients with COPD. . This meta-analysis compares the effectiveness of IET versus CET on exercise capacity, cardiorespiratory fitness and exertional symptoms in patients with chronic respiratory diseases (CRDs). Methods: PubMed, CINHAL, Scopus, Cochrane Central Register of Controlled Trials (CENTRAL) and Nursing and Allied health were searched for randomised controlled trials from inception to September 2020. Eligible studies included the comparison between IET and CET, reporting measures of exercise capacity, cardiorespiratory fitness and symptoms in individuals with CRDs. Results: Thirteen randomised control trials (530 patients with CRDs) with fair to good quality on the PEDro scale were included. Eleven studies involved n=446 patients with COPD, one involved n=24 patients with cystic fibrosis (CF) and one n=60 lung transplantation candidates (LT). IET resulted in greater improvements in peak work rate (2.40 W, 95% CI: 0.83 to 3.97 W; p=0.003) and lower exercise-induced dyspnoea (–0.47, 95% CI: -0.86 to 0.09; p=0.02) compared to CET, however these improvements did not exceed the minimal importance difference for these outcomes. No significant differencesin peak oxygen uptake, heart rate, minute ventilation, lactate threshold and leg discomfort were found between the interventions. Conclusions: IET is superior to CET in improving exercise capacity and exercise-induced dyspnoea sensations in patients with CRDs, however the extent of the clinical benefit is not considered clinically meaningful.

Item Type:Article
ISSN:1479-9723
Uncontrolled Keywords:exercise, respiratory disease, systematic review
Group:Faculty of Health & Social Sciences
ID Code:36188
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:03 Nov 2021 10:32
Last Modified:03 Nov 2021 10:32

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