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Effects of High-Intensity Interval Training Using the 3/7 Resistance Training Method on Metabolic Stress in People with Heart Failure and Coronary Artery Disease: A Randomized Cross-Over Study.

ABSTRACT: The 3/7 resistance training (RT) method involves performing sets with increasing numbers of repetitions, and shorter rest periods than the 3x9 method. Therefore, it could induce more metabolic stress in people with heart failure with reduced ejection fraction (HFrEF) or coronary artery disease (CAD). This randomized cross-over study tested this hypothesis. Eleven individuals with HFrEF and thirteen with CAD performed high-intensity interval training (HIIT) for 30 min, followed by 3x9 or 3/7 RT according to group allocation. pH, HCO^3-, lactate, and growth hormone were measured at baseline, after HIIT, and after RT. pH and HCO^3- decreased, and lactate increased after both RT methods. In the CAD group, lactate increased more (6.99 ± 2.37 vs. 9.20 ± 3.57 mmol/L, p = 0.025), pH tended to decrease more (7.29 ± 0.06 vs. 7.33 ± 0.04, p = 0.060), and HCO^3- decreased more (18.6 ± 3.1 vs. 21.1 ± 2.5 mmol/L, p = 0.004) after 3/7 than 3x9 RT. In the HFrEF group, lactate, pH, and HCO^3- concentrations did not differ between RT methods (all p > 0.248). RT did not increase growth hormone in either patient group. In conclusion, the 3/7 RT method induced more metabolic stress than the 3x9 method in people with CAD but not HFrEF.

SUBMITTER: Gillet A

PROVIDER: S-EPMC10743906 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature

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Effects of High-Intensity Interval Training Using the 3/7 Resistance Training Method on Metabolic Stress in People with Heart Failure and Coronary Artery Disease: A Randomized Cross-Over Study.

Gillet Alexis A Forton Kevin K Lamotte Michel M Macera Francesca F Roussoulières Ana A Louis Pauline P Ibrahim Malko M Dewachter Céline C van de Borne Philippe P Deboeck Gaël G

Journal of clinical medicine 20231217 24

The 3/7 resistance training (RT) method involves performing sets with increasing numbers of repetitions, and shorter rest periods than the 3x9 method. Therefore, it could induce more metabolic stress in people with heart failure with reduced ejection fraction (HFrEF) or coronary artery disease (CAD). This randomized cross-over study tested this hypothesis. Eleven individuals with HFrEF and thirteen with CAD performed high-intensity interval training (HIIT) for 30 min, followed by 3x9 or 3/7 RT a ...[more]

PMID: 38137812

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Project description:IntroductionCardiovascular diseases are the world's most common causes of morbidity and mortality in the population, including Central Europe. Cardiac rehabilitation (CR) is an effective preventive approach that includes several core components. Physical training is identified as an integral and essential part of CR. Training can positively influence several cardiovascular risk factors in people diagnosed with coronary heart disease and prevent them from clinical events. Our study aims to research the method of high-intensity interval training (HIIT) in a home environment using telerehabilitation. We assume that the HIIT form of telerehabilitation, using a heart rate monitor as a tool for backing up training data, can improve cardiorespiratory fitness and lead to higher peak oxygen uptake than the traditional moderate-intensity continuous training (MICT).MethodsThis study is designed as a monocentral randomized controlled trial at University Hospital Brno in the Czech Republic. After the coronary heart event, the suitable patients will be randomized (1:1 ratio) and separated into 2 groups: the experimental HIIT group and the control MICT group. Both groups undergo a 12-week telerehabilitation with a 1-year follow-up period. Study participants will be telemonitored during physical training in their home environment via a heart rate monitor and a web platform. Once a week, the patients will give their feedback and motivation by a telephone call.The primary outcome observed will be the effect of intervention expressed by changes in cardiorespiratory fitness. Secondary outcomes will be the health-related quality of life, anxiety, training adherence, body composition, safety, and satisfaction.DiscussionThe HIIT is widely researched predominantly in a center-based supervised form. Our study differs from others by the use of telemedicine and smart technologies in home-based settings. Previous home-based cardiac telerehabilitation studies have focused primarily on MICT, which has demonstrated feasibility, and results have shown similar improvements as center-based CR. There is a presumption that HIIT may be superior to MICT. However, it can be complicated to self-dose the method in the home environment. Investigators expect that HIIT research will provide insight into the possibilities of telemedicine feasibility, effect, and limitations of coronary heart disease patients' use at low to moderate cardiovascular risk.

Project description:BackgroundExercise training significantly improves cardiorespiratory fitness (CRF) in heart failure with reduced ejection fraction (HFrEF) patients, but high-intensity interval training (HIIT) is not superior to moderate-intensity interval training (MIIT). Whether HIIT is more beneficial than MIIT in patients with heart failure with preserved ejection fraction (HFpEF) remains unclear.MethodsOn August 29, 2021, we conducted a comprehensive computerized literature search of the Medline, EMBASE, Web of Science, and Cochrane databases using the following keywords: "HF or diastolic HF or HFpEF or HF with normal ejection fraction and exercise training or aerobic exercise or isometric exercises or physical activity or cardiac rehabilitation." Only randomized controlled trials (RCTs) reporting comparisons between HIIT and MIIT in HFpEF were included in the final analysis to maintain consistency and obtain robust pooled estimates. Methodological quality was assessed based on the ratings of individual biases. To generate an overall test statistic, the data were analyzed using the random-effects model for a generic inverse variance. Outcome measures were reported as an odds ratio, and confidence intervals (CIs) were set at 95%. The study followed PRISMA guidelines.ResultsThis meta-analysis included only RCTs comparing the efficacy of HIIT and MIIT in HFpEF patients. This study included 150 patients from 3 RCTs. In the current pooled data analysis, HIIT significantly improves diastolic function measured by E/A ratio (WMD, 0.13; 95% CI, 0.03-0.23, P = .009). However, no significant change was observed in the diastolic function measured by E/e' ratio (WMD, 0.39; 95% CI, -2.40 to 3.18, P = .78), and CRF evaluated by both VO2 (mL/kg per min; WMD, -0.86; 95%CI, -5.27 to 3.55, P = .70) and VE/CO2 slope (WMD, 0.15; 95% CI, -10.24 to 10.53, P = .98), and systolic function (EF-WMD, -2.39; 95% CI, -12.16% to 7.38%, P = .63) between HIIT and MIIT in patients with HFpEF.ConclusionIn HFpEF patients, HIIT may be superior to MIIT in improving diastolic function, measured by E/A, but not CRF and left ventricular systolic function.

Project description:IntroductionExercise training is strongly recommended as a therapeutic approach to treat individuals with heart failure. High-intensity exercise training modalities still controversial in this population. The study aims to preliminary assess the consequences of high-intensity exercise training modalities, aerobic interval training (HIIT) and progressive high circuit-resistance training (CRT), on primarily endothelial function and cardiorespiratory fitness, and secondly on muscle strength and physical performance in heart failure patients.MethodsThis preliminary multicentric randomized controlled trial comprised 23 heart failure patients, aged 56 ± 10 years old, mainly New York Heart Association classification I and II (%), hemodynamically stable, who compromise at least 36 exercise sessions of a randomly assigned intervention (HIIT, CRT or control group). Endothelial function, cardiopulmonary exercise testing, muscle strength and physical performance were completed at baseline and post-intervention.ResultsAlthough no effects on endothelial function; both HIIT and CRT modalities were able to produce a positive effect on [Formula: see text] peak (HIIT = +2.1±6.5, CRT = +3.0±4.2 and control group = -0.1± 5.3 mL/kg/min, time*group p-value<0,05) and METs (HIIT = +0.6±1.8, CRT = +0.9±1.2 and control group = 0±1.6, time*group p-value<0,05). Only HIIT increased isokinetic torque peak (HIIT = +8.8±55.8, CRT = 0.0±60.7 and control group = 1.6±57.6 Nm) matched p-value<0,05. Regarding the physical performance, the CRT modality reduced chair stand test completion time (HIIT = -0.7±3.1, CRT = -3.3±3.2 and control group = -0.3±2.5 s, matched p-value<0,05 and HIIT improved global physical performance(time*group p<0,05).ConclusionThis preliminary study trends to indicate for the first time that high-intensity interval training promotes a jointly superior effect compared to progressive high intensity circuit-resistance training by improving cardiorespiratory fitness, muscular strength, and physical performance. Further research with larger cohort is necessary.Clinical trial registration numberReBEC RBR-668c8v.

Dataset Information

Effects of High-Intensity Interval Training Using the 3/7 Resistance Training Method on Metabolic Stress in People with Heart Failure and Coronary Artery Disease: A Randomized Cross-Over Study.

Publications

Effects of High-Intensity Interval Training Using the 3/7 Resistance Training Method on Metabolic Stress in People with Heart Failure and Coronary Artery Disease: A Randomized Cross-Over Study.

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