• Rob A Vermond, Bastiaan Geelhoed, Niek Verweij, Robert G Tieleman, Pim Van der Harst, Hans L Hillege, Wiek H Van Gilst, Isabelle C Van Gelder, and Michiel Rienstra.
• Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
• J. Am. Coll. Cardiol. 2015 Sep 1; 66 (9): 1000-7.

BackgroundImportant improvements have been made in treatment of diseases associated with atrial fibrillation (AF), such as hypertension, myocardial infarction, and heart failure. Incidence rates and risk factors may have changed with the aging of the population and changing lifestyles. Currently, the risk for AF is only partially explained, possibly because of differences between older cohorts and contemporary populations.ObjectivesThis study investigated the incidence of AF in a contemporary cohort in the Netherlands, together with comorbidities associated with AF and associations of AF with cardiovascular outcomes.MethodsIncident AF was ascertained for hospital and study electrocardiograms in 8,265 participants of the PREVEND (Prevention of Renal and Vascular End-Stage Disease) study in Groningen, the Netherlands.ResultsDuring 9.7 ± 2.3 years of follow-up, 265 participants developed AF, with a resulting overall AF incidence of 3.3 per 1,000 person-years. Advancing age, male sex, antihypertensive drug use, higher body mass index, previous myocardial infarction, and previous stroke were associated with AF. After multivariable adjustment, AF was associated with cardiovascular events (hazard ratio [HR]: 2.24; 95% confidence interval [CI]: 1.06 to 4.75; p = 0.035), heart failure with either reduced or preserved ejection fraction (HR: 4.52; 95% CI: 2.02 to 10.09; p < 0.001), and all-cause mortality (HR: 3.02; 95% CI: 1.73 to 5.27; p < 0.001).ConclusionsThe incidence of AF in the present cohort was comparable to that shown in data of older studies. Obesity has become a major risk factor for incident AF. Although overall cardiovascular event rates were lower in the present study, the present study confirms the association of incident AF with such events.Copyright © 2015 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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