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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/58147
Title: Characteristics and outcomes of atrial fibrillation in patients without traditional risk factors: An RE-LY AF registry analysis
Authors: Mariëlle Kloosterman
Jonas Oldgren
David Conen
Jorge A. Wong
Stuart J. Connolly
Alvaro Avezum
Salim Yusuf
Michael D. Ezekowitz
Lars Wallentin
Marie Ntep-Gweth
Philip Joseph
Tyler W. Barrett
Supachai Tanosmsup
William F. McIntyre
Shun Fu Lee
Ratika Parkash
Guy Amit
Alex Grinvalds
Isabelle C. Van Gelder
Jeff S. Healey
Population Health Research Institute, Ontario
Hopital Central de Yaounde
Vanderbilt University Medical Center
Instituto Dante Pazzanese de Cardiologia
Akademiska Sjukhuset
Mahidol University
Lankenau Institute for Medical Research
University of Groningen, University Medical Center Groningen
QEII Health Sciences Centre
Keywords: Medicine
Issue Date: 1-Jun-2020
Citation: Europace. Vol.22, No.6 (2020), 870-877
Abstract: © 2019 Published on behalf of the European Society of Cardiology. All rights reserved. The Author(s) 2020. For permissions, please email: journals.permissions@oup.com. Aims: Data on patient characteristics, prevalence, and outcomes of atrial fibrillation (AF) patients without traditional risk factors, often labelled 'lone AF', are sparse. Methods and results: The RE-LY AF registry included 15 400 individuals who presented to emergency departments with AF in 47 countries. This analysis focused on patients without traditional risk factors, including age ≥60 years, hypertension, coronary artery disease, heart failure, left ventricular hypertrophy, congenital heart disease, pulmonary disease, valve heart disease, hyperthyroidism, and prior cardiac surgery. Patients without traditional risk factors were compared with age- and region-matched controls with traditional risk factors (1:3 fashion). In 796 (5%) patients, no traditional risk factors were present. However, 98% (779/796) had less-established or borderline risk factors, including borderline hypertension (130-140/80-90 mmHg; 47%), chronic kidney disease (eGFR < 60 mL/min; 57%), obesity (body mass index > 30; 19%), diabetes (5%), excessive alcohol intake (>14 units/week; 4%), and smoking (25%). Compared with patients with traditional risk factors (n = 2388), patients without traditional risk factors were more often men (74% vs. 59%, P < 0.001) had paroxysmal AF (55% vs. 37%, P < 0.001) and less AF persistence after 1 year (21% vs. 49%, P < 0.001). Furthermore, 1-year stroke occurrence rate (0.6% vs. 2.0%, P = 0.013) and heart failure hospitalizations (0.9% vs. 12.5%, P < 0.001) were lower. However, risk of AF-related re-hospitalization was similar (18% vs. 21%, P = 0.09). Conclusion: Almost all patients without traditionally defined AF risk factors have less-established or borderline risk factors. These patients have a favourable 1-year prognosis, but risk of AF-related re-hospitalization remains high. Greater emphasis should be placed on recognition and management of less-established or borderline risk factors.
URI: http://repository.li.mahidol.ac.th/dspace/handle/123456789/58147
metadata.dc.identifier.url: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85086051549&origin=inward
ISSN: 15322092
10995129
Appears in Collections:Scopus 2020

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