Effect of High-Intensity Interval Training on Physical Health in Coronary Artery Disease Patients: A Meta-Analysis of Randomized Controlled Trials

The effects of exercise-based cardiac rehabilitation (CR) on physical health in coronary artery disease (CAD) patients has long been established, while the optimal exercise mode remains to be determined. This meta-analysis compared the efficacy of high-intensity interval training (HIIT) versus moder...

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Autores principales:	Litao Du, Xianliang Zhang, Ke Chen, Xiaoyu Ren, Si Chen, Qiang He
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	high-intensity interval training moderate-intensity continuous training coronary artery disease exercise-based cardiac rehabilitation Diseases of the circulatory (Cardiovascular) system RC666-701
Acceso en línea:	https://doaj.org/article/2c4e9c42f73c445a9aeb90eabb97f20a
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spelling	oai:doaj.org-article:2c4e9c42f73c445a9aeb90eabb97f20a2021-11-25T18:00:28ZEffect of High-Intensity Interval Training on Physical Health in Coronary Artery Disease Patients: A Meta-Analysis of Randomized Controlled Trials10.3390/jcdd81101582308-3425https://doaj.org/article/2c4e9c42f73c445a9aeb90eabb97f20a2021-11-01T00:00:00Zhttps://www.mdpi.com/2308-3425/8/11/158https://doaj.org/toc/2308-3425The effects of exercise-based cardiac rehabilitation (CR) on physical health in coronary artery disease (CAD) patients has long been established, while the optimal exercise mode remains to be determined. This meta-analysis compared the efficacy of high-intensity interval training (HIIT) versus moderate-intensity continuous training (MICT) in CAD patients. Databases were searched up to December 2020. Twenty-five studies with 1272 participants were analyzed. The results showed that both HIIT and MICT induced significant VO<sub>2peak</sub> improvement with a 4.52 mL/kg/min (<i>p</i> < 0.01) and 2.36 mL/kg/min (<i>p</i> < 0.01), respectively. Additionally, a larger improvement of VO<sub>2peak</sub> (1.92 mL/kg/min, <i>p</i> < 0.01) was observed in HIIT over MICT. HIIT with medium and long intervals, higher work/rest ratio induced larger VO<sub>2peak</sub> improvement than the compared subgroup. Interestingly, non-isocaloric exercise protocols induced larger VO<sub>2peak</sub> improvement compared with isocaloric protocols. In addition, both HIIT and MICT significantly increased anaerobic threshold and peak power with HIIT superior to MICT. No significant different changes were observed in blood pressure after HIIT or MICT intervention, however when HIIT was compared with MICT, MICT seems superior to HIIT in reducing systolic blood pressure (−3.61 mmHg, <i>p</i> < 0.01) and diastolic blood pressure (−2.37 mmHg, <i>p</i> < 0.01). Although, HIIT and MICT induced significant improvement of most other parameters, like HR<sub>rest</sub>, HR<sub>peak</sub>, left ventricular ejection fraction (LVEF), quality of life (QoL), no significant differences were noted between groups. This meta-analysis suggested that HIIT is superior to MICT in increasing VO<sub>2peak</sub>, anaerobic threshold, peak power in CAD patients. Additionally, the efficacy of HIIT over MICT in improving VO<sub>2peaks</sub> was influenced by HIIT intervals, work/rest ratio and total caloric consumption. Both HIIT and MICT did not significantly influence resting BP, however, MICT seemed to be more effective in reducing BP than HIIT. HIIT and MICT equally significantly influenced HR<sub>rest</sub>, HR<sub>peak</sub>, HRR1min, OUES, LVEF%, QoL.Litao DuXianliang ZhangKe ChenXiaoyu RenSi ChenQiang HeMDPI AGarticlehigh-intensity interval trainingmoderate-intensity continuous trainingcoronary artery diseaseexercise-based cardiac rehabilitationDiseases of the circulatory (Cardiovascular) systemRC666-701ENJournal of Cardiovascular Development and Disease, Vol 8, Iss 158, p 158 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	high-intensity interval training moderate-intensity continuous training coronary artery disease exercise-based cardiac rehabilitation Diseases of the circulatory (Cardiovascular) system RC666-701
spellingShingle	high-intensity interval training moderate-intensity continuous training coronary artery disease exercise-based cardiac rehabilitation Diseases of the circulatory (Cardiovascular) system RC666-701 Litao Du Xianliang Zhang Ke Chen Xiaoyu Ren Si Chen Qiang He Effect of High-Intensity Interval Training on Physical Health in Coronary Artery Disease Patients: A Meta-Analysis of Randomized Controlled Trials
description	The effects of exercise-based cardiac rehabilitation (CR) on physical health in coronary artery disease (CAD) patients has long been established, while the optimal exercise mode remains to be determined. This meta-analysis compared the efficacy of high-intensity interval training (HIIT) versus moderate-intensity continuous training (MICT) in CAD patients. Databases were searched up to December 2020. Twenty-five studies with 1272 participants were analyzed. The results showed that both HIIT and MICT induced significant VO<sub>2peak</sub> improvement with a 4.52 mL/kg/min (<i>p</i> < 0.01) and 2.36 mL/kg/min (<i>p</i> < 0.01), respectively. Additionally, a larger improvement of VO<sub>2peak</sub> (1.92 mL/kg/min, <i>p</i> < 0.01) was observed in HIIT over MICT. HIIT with medium and long intervals, higher work/rest ratio induced larger VO<sub>2peak</sub> improvement than the compared subgroup. Interestingly, non-isocaloric exercise protocols induced larger VO<sub>2peak</sub> improvement compared with isocaloric protocols. In addition, both HIIT and MICT significantly increased anaerobic threshold and peak power with HIIT superior to MICT. No significant different changes were observed in blood pressure after HIIT or MICT intervention, however when HIIT was compared with MICT, MICT seems superior to HIIT in reducing systolic blood pressure (−3.61 mmHg, <i>p</i> < 0.01) and diastolic blood pressure (−2.37 mmHg, <i>p</i> < 0.01). Although, HIIT and MICT induced significant improvement of most other parameters, like HR<sub>rest</sub>, HR<sub>peak</sub>, left ventricular ejection fraction (LVEF), quality of life (QoL), no significant differences were noted between groups. This meta-analysis suggested that HIIT is superior to MICT in increasing VO<sub>2peak</sub>, anaerobic threshold, peak power in CAD patients. Additionally, the efficacy of HIIT over MICT in improving VO<sub>2peaks</sub> was influenced by HIIT intervals, work/rest ratio and total caloric consumption. Both HIIT and MICT did not significantly influence resting BP, however, MICT seemed to be more effective in reducing BP than HIIT. HIIT and MICT equally significantly influenced HR<sub>rest</sub>, HR<sub>peak</sub>, HRR1min, OUES, LVEF%, QoL.
format	article
author	Litao Du Xianliang Zhang Ke Chen Xiaoyu Ren Si Chen Qiang He
author_facet	Litao Du Xianliang Zhang Ke Chen Xiaoyu Ren Si Chen Qiang He
author_sort	Litao Du
title	Effect of High-Intensity Interval Training on Physical Health in Coronary Artery Disease Patients: A Meta-Analysis of Randomized Controlled Trials
title_short	Effect of High-Intensity Interval Training on Physical Health in Coronary Artery Disease Patients: A Meta-Analysis of Randomized Controlled Trials
title_full	Effect of High-Intensity Interval Training on Physical Health in Coronary Artery Disease Patients: A Meta-Analysis of Randomized Controlled Trials
title_fullStr	Effect of High-Intensity Interval Training on Physical Health in Coronary Artery Disease Patients: A Meta-Analysis of Randomized Controlled Trials
title_full_unstemmed	Effect of High-Intensity Interval Training on Physical Health in Coronary Artery Disease Patients: A Meta-Analysis of Randomized Controlled Trials
title_sort	effect of high-intensity interval training on physical health in coronary artery disease patients: a meta-analysis of randomized controlled trials
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2c4e9c42f73c445a9aeb90eabb97f20a
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Effect of High-Intensity Interval Training on Physical Health in Coronary Artery Disease Patients: A Meta-Analysis of Randomized Controlled Trials

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