The effect of acute high-intensity interval exercise on post-exercise blood pressure in post coronary artery bypass graft surgery patients: a pilot study

Year 2022, , 30 - 36, 30.06.2022

Naser Heidari , Majid Kashef Alireza Ramezanı Khosro Mınavand Reza Gharakhanlou

https://doi.org/10.31459/turkjkin.1092119

Abstract

Coronary artery disease is the main cause of death worldwide. Coronary artery bypass graft (CABG) is a preferred treatment option for multi-vessel disease and left main disease patients. Physical training (recovery) enhances exercise tolerance, an activity of daily living, and quality of life in this patient. For this, the aim of the current study was to investigate the effect of acute high-intensity interval exercise on post-exercise blood pressure in CABG patients. In this study, all patients underwent open-heart surgery at least 1 month before involvement in the study. All Subjects were included after Medical rigorous screening. Participants carried out two experimental sessions of high-intensity interval exercise (HIIE) and mild continuous exercise (MCE) with a minimum of 72 h intervals: This study employed a randomized, cross-over design, Brachial systolic blood pressure (SBP) and diastolic blood pressure (DBP) and heart rate (HR) were measured Immediately before (pre) and after (post) and approximately15 min(post-15) and 30 min (post-30) after each exercise bout. The Split-Plot Analysis of Variance with repeated measures (group × time) was used to analyze the data. Significant post-exercise increases in SBP, and HR were seen following each protocol (p<0.05). Following two bouts, SBP decreased at 15- and 30-min post-exercise in two groups but this decline was more in the HIIE group than MCE. Based on the findings of this study, both high-intensity intermittent and continuous exercise can improve heart function in CABG patients by diminishing BP.

Keywords

Bypass sugery, : hypertension, interval exercise, post exercise hypotension

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