| High-intensity interval training followed by moderate intensity aerobic continuous exercise model for chronic heart failure |
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| DOI： |
| EN KeyWords: chronic heart failure cardio-pulmonary function exercise high-intensity interval training |
| Fund Project:重庆市卫计委医学科研计划项目（2015MSXM066）；重庆医科大学附属康复医院医学科研培育基金（RHCQMU2017005） |
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| EN Abstract: |
| Objective:To compare the effect of high-intensity interval training followed by moderate intensity aerobic continuous exercise (HFM) model and moderate intensity aerobic continuous exercise (MCE) in the treatment of patients with chronic heart failure.Methods:Seventy-eight patients were randomly divided into a HFM group and a MCE group (n=39 for each). HFM group was given 12-week HFM. MEC group was subjected to 12-week MEC. Cardiopulmonary exercise test (CPET) was performed to assess the change of cardio-pulmonary ability at baseline and after 12 weeks, to determine whether the HFM model was safe and effective.Results:In the first 8 weeks, rate pressure product (RPP) and rating of perceived exertion (RPE) in HFM group each week were significantly higher than in MCE group after training (P<0.05). After high-intensity interval training (HIIT), RPP rose in the normal controllable range, and it was close to quiet after 5 min of rest. After 12 week training, anaerobic threshold (AT), maximal oxygen uptake (Peak VO2), peak oxygen pulse, forced vital capacity (FVC), forced expiratory volume in one second/forced vital capacity% ( FEV1%) and left ventricular ejection fraction (LVEF) in two groups were significantly higher than before training (P<0.05), and those in HFM group were significantly higher than in MCE group (P<0.05). Conclusion:HFM model was safer and more effective in improving cardio-pulmonary function in patients with chronic heart failure. |
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