Comparison of the Effect of Eight Weeks Aerobic and Combined Exercise on Some Hemodynamic Indicators in Middle-Aged Male Patients Undergoing Coronary Artery Bypass Graft Surgery

Peyman Kaikhosro Doulatyari; Sedigheh  Hosseinpour Delavar; Mehran Ghahramani; Mohammad Rouzbahani

doi:10.18502/ssu.v31i12.14980

Peyman Kaikhosro Doulatyari Department of Exercise Physiology, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran.
Sedigheh Hosseinpour Delavar Department of Exercise Physiology, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran.
Mehran Ghahramani Department of Exercise Physiology, Gilan-E-Gharb Branch, Islamic Azad University, Gilan-E-Gharb, Iran.
Mohammad Rouzbahani Cardiovascular Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.

DOI: https://doi.org/10.18502/ssu.v31i12.14980

Keywords: Blood pressure, Heart rate, Peripheral oxygen saturation, Aerobic and combined exercises, Coronary artery bypass graft surgery.

Abstract

Introduction: Exercise training by modulating blood pressure and heart rate have a protective role for middle-aged cardiac patients. Aim of this study was to compare the effect of eight weeks of aerobic and combined exercise on some hemodynamic indicators in middle-aged male patients undergoing coronary artery bypass graft surgery.

Methods: In this clinical trial, a sample of 30 middle-aged men who underwent coronary artery surgery in 2023 were enrolled after meeting predetermined eligibility criteria and randomized for participation. They were divided into three aerobic (n=10), combined (n=10) and control (n=10) groups. The individuals of the 2 intervention groups performed selected aerobic and combined exercises (with an intensity of 55 - 75% of the maximum heart rate, for 60 minutes) for 8 weeks, 3 sessions per week. Blood pressure, heart rate and peripheral oxygen saturation (SpO2) were measured before and after the intervention. The parametric paired sample t-test, one-way ANOVA test and Tukey's Test were used to examine differences at a significance level of P ≤ 0.05.

Results: The effect of aerobic exercises on systolic blood pressure (P=0.036), diastolic blood pressure (P=0.040) and heart rate (P=0.013) was significant and caused a decrease in these indicators, but the decrease in the combined group was not significant (P>0.05). The intergroup effect difference was not significant (P>0.05). In both aerobic (P=0.000) and combined (P=0.007) groups, the peripheral oxygen saturation has increased significantly and intergroup mean difference was significant (P=0.004).

Conclusion: It seems that aerobic and combined exercises as a helpful intervention strategy to improve hemodynamic indicators, make the patient more adaptable to the conditions after coronary artery bypass graft surgery.