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Premature atrial contractions in the general population : frequency and risk factors

Conen, D. and Adam, M. and Roche, F. and Barthelemy, J. C. and Felber, Dietrich and Imboden, M. and Künzli, N. and Von Eckardstein, A. and Regenass, S. and Hornemann, T. and Rochat, T. and Gaspoz, J. M. and Probst-Hensch, N. and Carballo, D.. (2012) Premature atrial contractions in the general population : frequency and risk factors. Circulation, Vol. 126, H. 19. pp. 2302-2308.

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Official URL: http://edoc.unibas.ch/dok/A6094321

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Abstract

BACKGROUND: Premature atrial contractions (PACs) are independent predictors of atrial fibrillation, stroke and death. However, little is known about PAC frequency in the general population and its association with other cardiovascular risk factors. METHODS AND RESULTS: We performed a cross-sectional analysis among participants of the population-based Swiss cohort Study on Air Pollution and Lung Diseases in Adults (SAPALDIA). 24-hour Holter electrocardiograms to assess PAC prevalence and frequency were performed in a random sample of 1742 participants aged </=50 years. The median (interquartile range) number of PACs per hour was 0.8 (0.4-1.8), 1.1 (0.5-2.4), 1.4 (0.7-4.6), 2.3 (0.8-6.9) and 2.6 (1.2-6.5) among participants aged 50-55, 55-60, 60-65, 65-70 and 70+ years, respectively (p/=2 hours per day (RR 0.69, p=0.002) and HDL cholesterol (RR per SD 0.80, p=0.0002). Hypertension and body mass index were not significantly related to PAC frequency. CONCLUSIONS: To our knowledge, this is the first study to assess risk factors for PAC frequency in the general population aged 50 years or older. PACs are common and their frequency is independently associated with age, height, history of cardiovascular disease, natriuretic peptide levels, physical activity and HDL cholesterol. The underlying mechanisms of these relationships need to be addressed in future studies
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Chronic Disease Epidemiology
UniBasel Contributors:Felber Dietrich, Denise and Künzli, Nino and Probst Hensch, Nicole and Adam, Martin and Imboden, Medea
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Lippincott Williams & Wilkins
ISSN:0009-7322
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:19 Jul 2013 07:43
Deposited On:19 Jul 2013 07:39

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