Autonomic function change following a supervised exercise program in patients with congestive heart failure

سال انتشار: 1392
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 157

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شناسه ملی سند علمی:

JR_RYA-9-2_006

تاریخ نمایه سازی: 3 شهریور 1401

چکیده مقاله:

BACKGROUND: Few studies have investigated changes in autonomic function after training in patients with cardiovascular diseases, particularly patients with congestive heart failure (CHF). Heart rate recovery (HRR) is a strong predictor of mortality in CAD patients. The aim of this study was to determine the effect of ۸ weeks of supervised exercise training on autonomic function, which were assessed by heart rate, systolic blood pressure (SBP), and rate-pressure product (RPP) in CHF patients. METHODS: ۶۵ patients aged ۵۷-۸۲ years with CHF were assigned to two groups randomly. The first group received a supervised ۸-week aerobic training program of ۳۰-۴۵ min sessions, ۳ days per week on alternate days, while controls received standard medical care and were followed up. Body weight, body mass index, functional capacity, resting heart rate, HRR, resting systolic blood pressure, peak heart rate, peak systolic blood pressure, and RPP were measured before and after the study period. Medications and diet recommendations remained unchanged in both groups during the study period. RESULTS: The exercise group consisted of ۳۳ patients with mean age of ۶۱.۵۴ ± ۵.۸۹ years and the controls were ۳۲ patients with mean age of ۶۰.۹۴ ± ۵.۰۳ years. One-way analysis of variance (ANOVA) with repeated measures revealed a statistically significant difference in the exercise group compared to the control group regarding body mass index, resting heart rate, heart rate recover, functional capacity, peak heart rate, peak systolic blood pressure, peak RPP after ۸ weeks (P ≤ ۰.۰۵). CONCLUSION: In conclusion, a multidisciplinary CR program with supervised exercise training support significantly improves functional capacity and autonomic function in CHF patients. Therefore, a supervised and guided exercise training program is safe and beneficial for patients with CHF with different etiologies.   Keywords: Aerobic Exercise, Cardiorespiratory Fitness, Hemodynamics, Autonomic Function, CHF

نویسندگان

Diana Keyhani

School of Physical Education and Sport Sciences, University of Isfahan, Isfahan, Iran

Mehdi Kargarfard

Associate Professor, School of Physical Education and Sport Sciences, University of Isfahan, Isfahan, Iran

Nizal Sarrafzadegan

Professor, Cardiovascular Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Masoumeh Sadeghi

Associate Professor, Cardiac Rehabilitation Research Center, Isfahan Cardiovascular Research Institue, Isfahan University of Medical Sciences, Isfahan, Iran