Volume 27, Issue 3 (In Press 2026)
Arch Rehabil 2026, 27(3): 522-543 |
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Ethics code: IR.MAZUMS.REC.1402.386
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alizadeh saravi Z, Bagheri – Nesami M, Madani Z, Ranjbar M, Hosseinnataj A. Effect of a Cardiac Rehabilitation Program on Dyspnea Severity and the 6-minute Walk Test Parameters in Patients With Heart Failure: A Randomized Clinical Trial. Arch Rehabil 2026; 27 (3) :522-543
URL: http://rehabilitationj.uswr.ac.ir/article-1-3635-en.html
URL: http://rehabilitationj.uswr.ac.ir/article-1-3635-en.html
Zahra Alizadeh saravi1 
, Masoumeh Bagheri – Nesami *2 , Zahra Madani3 , Maryam Ranjbar4 , Abolfazl Hosseinnataj5
, Masoumeh Bagheri – Nesami *2 , Zahra Madani3 , Maryam Ranjbar4 , Abolfazl Hosseinnataj5
1- Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran.
2- Traditional and Complementary Medicine Research Center, Addiction Institute, Mazandaran University of Medical Sciences, Sari, Iran. ,Anna3043@gmail.com
3- Department of Sports Medicine, Traditional and Complementary Medicine Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
4- Department of Cardiology, Cardiovascular Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
5- Department of Biostatistics and Epidemiology, Faculty of Health, Mazandaran University of Medical Sciences, Sari, Iran.
2- Traditional and Complementary Medicine Research Center, Addiction Institute, Mazandaran University of Medical Sciences, Sari, Iran. ,
3- Department of Sports Medicine, Traditional and Complementary Medicine Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
4- Department of Cardiology, Cardiovascular Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
5- Department of Biostatistics and Epidemiology, Faculty of Health, Mazandaran University of Medical Sciences, Sari, Iran.
Abstract: (1220 Views)
Objective Regarding to the high prevalence of heart failure (HF) and its complications in various aspects of life, including decreased exercise tolerance and dyspnea, this study aimed to determine the effect of a cardiac rehabilitation program on the severity of dyspnea and the 6-minute walk test (6MWT) parameters in patients with HF.
Materials & Methods In this randomized controlled trial (RCT), 74 patients with HF hospitalized in cardiac intensive care unit of a hospital in Sari, Iran, participated. In the intervention group (n=37) underwent a one-month cardiac rehabilitation program (combined aerobic and resistance training) in 3 one-hour sessions, once a week, while the control group (n=37) received only conventional drug treatments. A sociodemographic and medical form, the modified Medical Research Council (mMRC) dyspnea scale, and the 6MWT (with parameters including systolic and diastolic blood pressures, heart rate, SpO2, distance walked in the corridor) were used to collect data before and one month after the intervention. Data analysis was done in SPSS software, version 22.
Results There was no statistically significant difference in the mean mMRC scale score before the study in the intervention and control groups (P=0.366). After the intervention, a statistically significant difference was observed (P<0.001). Regarding the 6MWT indicators, there was no significant difference between the two groups before the intervention (P<0.05). After the intervention, a significant difference was observed between the two teams only in the distance walked in the corridor (P<0.001).
Conclusion Combining aerobic and resistance training can reduce dyspnea severity and improve distance walked in the corridor in patients with HF after discharge. Therefore, training in these exercises is recommended as a complementary treatment alongside drug treatment after discharge from the hospital.
Materials & Methods In this randomized controlled trial (RCT), 74 patients with HF hospitalized in cardiac intensive care unit of a hospital in Sari, Iran, participated. In the intervention group (n=37) underwent a one-month cardiac rehabilitation program (combined aerobic and resistance training) in 3 one-hour sessions, once a week, while the control group (n=37) received only conventional drug treatments. A sociodemographic and medical form, the modified Medical Research Council (mMRC) dyspnea scale, and the 6MWT (with parameters including systolic and diastolic blood pressures, heart rate, SpO2, distance walked in the corridor) were used to collect data before and one month after the intervention. Data analysis was done in SPSS software, version 22.
Results There was no statistically significant difference in the mean mMRC scale score before the study in the intervention and control groups (P=0.366). After the intervention, a statistically significant difference was observed (P<0.001). Regarding the 6MWT indicators, there was no significant difference between the two groups before the intervention (P<0.05). After the intervention, a significant difference was observed between the two teams only in the distance walked in the corridor (P<0.001).
Conclusion Combining aerobic and resistance training can reduce dyspnea severity and improve distance walked in the corridor in patients with HF after discharge. Therefore, training in these exercises is recommended as a complementary treatment alongside drug treatment after discharge from the hospital.
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This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 (CC-By-NC 4.0), which permits use, distribution, and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
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