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Resting heart rate in late adolescence and long term risk of cardiovascular disease in Swedish men

Journal article
Authors Martin Lindgren
Josefina Robertson
Martin Adiels
Maria Schaufelberger
Maria A I Åberg
Kjell Torén
Margda Waern
N David Åberg
Annika Rosengren
Published in International Journal of Cardiology
Volume 259
Pages 109-115
ISSN 0167-5273
Publication year 2018
Published at Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
Institute of Medicine, Department of Public Health and Community Medicine
Institute of Medicine, Department of Public Health and Community Medicine, Section of Occupational and environmental medicine
Institute of Medicine, Department of Internal Medicine and Clinical Nutrition
Institute of Medicine, Department of Molecular and Clinical Medicine
Pages 109-115
Language en
Links https://doi.org/10.1016/j.ijcard.20...
Keywords Cardiovascular disease, Coronary heart disease, Epidemiology, Heart failure, Mortality, Resting heart rate
Subject categories Epidemiology, Cardiovascular medicine

Abstract

Aim: To investigate the association of resting heart rate (RHR) measured in late adolescence with the long term risk of myocardial infarction (MI), ischemic stroke (IS), heart failure (HF), atrial fibrillation (AF), cardiovascular- and all-cause death. Methods and results: We followed a cohort of Swedish men enrolled for conscription in 1968–2005 (n = 1,008,485; mean age = 18.3 years) until December 2014. Outcomes were collected from the national inpatient - (IPR), outpatient - (OPR) and cause of death registries. Cox proportional hazard models were used to analyze the longitudinal association between RHR and outcomes while adjusting for potential confounders. While we found no independent association between RHR and risk of IS or MI when comparing the highest with the lowest quintile of the RHR distribution, but a positive association persisted between RHR and incident HF (Hazard ratio (HR) = 1.39 [95% confidence interval (CI) = 1.29–1.49]) after adjustment for body mass index (BMI) and blood pressure (BP). In similarly adjusted models, an inverse association was found for AF while there were weaker associations with death from cardiovascular disease (CVD) and all causes (adjusted HR = 1.12 [CI = 1.04–1.21] and 1.20 [CI = 1.17–1.24]). After further adjustment for cardiorespiratory fitness (CRF), the associations persisted for HF (HR = 1.26 [1.17–1.35] for any diagnostic position and HR = 1.43 [1.28–1.60] for HF as a main diagnosis) and for all-cause death (HR 1.09 [1.05–1.12]) but not for CVD death. Conclusion: Adolescent RHR is associated with future risk of HF and death, independently of BP, BMI and CRF, but not with CVD death, MI or IS, suggesting a causal pathway between elevated heart rate and myocardial dysfunction. © 2018 The Authors

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