• Hazal Yakut, Hüseyin Dursun, Elvan Felekoğlu, Ahmet Anıl Başkurt, AlpaydınAylin ÖzgenAÖDepartment of Pulmonary Disease, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey., and Sevgi Özalevli.
• Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Eskişehir Osmangazi University, Eskişehir, Turkey.
• Ir J Med Sci. 2022 Dec 1; 191 (6): 253925482539-2548.

BackgroundSupervised high-intensity interval training (HIIT) has been proposed to be more effective than moderate-intensity continuous training (MICT) for improving exercise capacity, but there are not sufficient information effects of home-based HIIT and MICT in patients with myocardial infarction (MI).AimsTo compare the effects of home-based HIIT and MICT in patients with MI.MethodsTwenty-one patients with MI were randomly assigned to one of two home-based exercise modes: HIIT group and MICT group. Home-based HIIT and MICT were performed twice a week for 12 weeks with an exercise intensity of 85-95% of heart rate (HR) reserve and 70-75% HR reserve, respectively. The primary outcome measure was functional capacity. Secondary outcomes included resting blood pressure and HR, peripheral oxygen saturation, pulmonary function and respiratory muscle strength, dyspnea severity, body composition (body fat%, body mass ındex (BMI), fat free muscle), peripheral muscle strength, and health-related quality of life (HRQoL).ResultsFunctional capacity, measured by 6-minute walk test, increased in HIIT and MICT group (p < 0.05). Resting BP and HR, body fat%, and BMI were significantly decreased, and pulmonary functions, respiratory-peripheral muscle strength, and HRQoL were significantly increased in the both groups (p < 0.05). Home-based HIIT was more effective than MICT in improving pulmonary functions and lower extremity muscle strength (p < 0.05).ConclusionsThis study suggests that HIIT and MICT can be applied at home-based in patients with MI and play an important role in improving functional capacity, health outcomes, and HRQoL.Trial RegistrationClinical Trials Number: NCT04407624.© 2021. The Author(s), under exclusive licence to Royal Academy of Medicine in Ireland.

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