Introduction: Heart rate recovery, defined as the fall in heart rate during the first minute after exercise, is an indicator of autonomic function, and has been found to be an independent predictor of mortality after acute myocardial infarction. Exercise training has several well-known benefits in terms of cardiorespiratory fitness, modifiable cardiovascular risk factors and prognosis after acute coronary events. However, there are no randomized controlled studies in the literature evaluating the effects of exercise training per se, controlling for changes in medication and diet, on heart rate recovery. Thus, this study aims to assess the effects of exercise training on autonomic function in coronary artery disease patients recovering from acute myocardial infarction.
Methods: Thirty-eight patients following a first acute myocardial infarction participated in this prospective randomized clinical trial. Patients were randomized into two groups: exercise training or control. The exercise group participated in an 8-week aerobic exercise program, while the control received standard medical care and follow-up. Changes in hemodynamics at rest and at peak exercise (heart rate, systolic and diastolic blood pressure, and rate pressure product), dietary intake, cardiorespiratory fitness, and heart rate recovery were assessed.
Results: Medication and diet remained unchanged in both groups during the study period. The exercise-training group improved resting hemodynamics, particularly resting heart rate (from 68.0 ± 9.2 to 62.6 ± 8.7 bpm, p=0.030) and systolic blood pressure (from 135 ± 7.1 to 125.6 ± 11.3 mm Hg, p=0.012), cardiorespiratory fitness (from 30.8 ± 7.8 to 33.9 ± 8.3 ml/min/kg, p=0.016), and heart rate recovery (from 20 ± 6 to 24 ± 5 bpm, p=0.007). No significant changes were observed in the control group.
Conclusions: Exercise training improved autonomic function, assessed by heart rate recovery, resting heart rate and systolic blood pressure, in the absence of changes in diet or medication.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.repc.2011.12.009 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Does mental exertion during incremental exercise change substrate oxidation and cardiorespiratory outcomes in individuals with overweight?
Physiol Rep
January 2025
Department of Biological Sciences in Sport, Faculty of Sport Sciences and Health, Shahid Beheshti University, Tehran, Iran.
Given the growing concern over the impact of brain health in individuals with overweight, understanding how mental exertion (ME) during exercise affects substrate oxidation and cardiorespiratory outcomes is crucial. This study examines how ME impacts these outcomes during an incremental exercise test in adults with overweight. Seventeen adults who were overweight completed an incremental exercise test on a cycle ergometer two times, with and without the Stroop task.
View Article and Find Full Text PDFComparison of the efficacy and safety of Landiolol and Esmolol in critically ill patients: a propensity score-matched study.
Ann Intensive Care
January 2025
Service de Médecine Intensive-Réanimation, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, Groupe de Recherche Clinique CARMAS, Université Paris-Saclay, AP-HP, Le Kremlin-Bicêtre, France.
Background: Excessive tachycardia is associated with impaired hemodynamics and worse outcome in critically ill patients. Previous studies suggested beneficial effect of β-blockers administration in ICU patients, including those with septic shock. However, comparisons in ICU settings are lacking.
View Article and Find Full Text PDFPatient-Centric Approach for the Treatment of Rheumatoid Arthritis-Associated Interstitial Lung Disease in Older People.
Drugs Aging
January 2025
Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, no. 6016U, Boston, MA, 02115, USA.
Purpose Of Review: The purpose of this review is to outline considerations for treating older adults with rheumatoid arthritis-associated interstitial lung disease (RA-ILD) as it relates to infection, comorbidities, cancer, and quality of life.
Recent Findings: The recent 2023 American College of Rheumatology/American College of Chest Physicians guideline conditionally recommended specific disease-modifying antirheumatic drugs (DMARDs), antifibrotics, and short-term glucocorticoids to treat RA-ILD. Since RA-ILD often affects older adults, we contextualize these pharmacologic options related to infection, gastrointestinal (GI) effects, cancer, cardiovascular disease, and quality of life.
Diabetes is associated with a higher incidence of short-term mortality risk and readmission in patients who undergo surgical but not transcatheter aortic valve replacement.
Open Heart
January 2025
Research Department, Weill Cornell Medicine-Qatar, Doha, Qatar
Background: Transcatheter aortic valve replacement (TAVR) is increasingly used for aortic valve replacement instead of surgical aortic valve replacement (sAVR). We aimed to examine the impact of diabetes on 30-day mortality, 30-day readmission and compare outcomes between TAVR and sAVR.
Methods: Data were extracted from the Nationwide Readmissions Database from 2012 to 2017.
Automated electronic health record-based screening for Fabry disease in unexplained left ventricular hypertrophy (FAPREV-HCM).
Open Heart
January 2025
Department of Internal Medicine I, Universitätsklinikum Würzburg, Würzburg, BY, Germany
Background And Aims: Hypertrophic cardiomyopathy (HCM) has various aetiologies, including genetic conditions like Fabry disease (FD), a lysosomal storage disorder. FD prevalence in high-risk HCM populations ranges from 0.3% to 11.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!