Low prevalence of atrial fibrillation in asymptomatic adults in Geneva, Switzerland

Schmutz, Mathieu; Beer-Borst, Sigrid; Meiltz, Alexandre; Urban, Philip; Gaspoz, Jean-Michel; Costanza, Michael C; Morabia, Alfredo; Zimmermann, Marc (2009). Low prevalence of atrial fibrillation in asymptomatic adults in Geneva, Switzerland. Europace, 12(4), pp. 475-481. Oxford: Oxford University Press 10.1093/europace/eup379

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Aims To determine the prevalence of atrial fibrillation (AF) in a population-based sample of adults. Methods and results Between January 2005 and December 2007 individuals aged >/=50 years, residents of the city of Geneva, who had participated in a previous random survey were invited for follow-up examination. AF was assessed on a single resting 6-lead ECG. Reported prevalences were standardized for the age distribution of Canton Geneva. Overall participation was 72.8%. Twenty-nine cases of AF (22 men) were diagnosed among 3285 subjects (1696 men). The crude prevalence of AF (95% CI) was 0.88% (0.86, 0.90) overall, but higher in men [1.30% (1.26, 1.34)] than in women [0.44% (0.41, 0.47)]. The age-standardized AF prevalence was slightly higher [overall: 0.94% (0.91, 0.97), men: 1.23% (1.19, 1.27), women: 0.54% (0.47, 0.61)]. AF prevalence increased with age in both sexes. A 'history of suspected arterial embolism' (brain or legs) was higher in the AF cases (10.3 vs. 3.3%; P = 0.03). Conclusion This population-based survey of a general Swiss population indicates that the prevalence of AF remains below 1%. These results are less alarming than those from previous studies based on patients seeking medical care.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Cardiology

UniBE Contributor:

Schmutz, Mathieu

ISSN:

1099-5129

Publisher:

Oxford University Press

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 15:09

Last Modified:

08 Jun 2016 10:50

Publisher DOI:

10.1093/europace/eup379

PubMed ID:

20007160

Web of Science ID:

000276049400010

URI:

https://boris.unibe.ch/id/eprint/30498 (FactScience: 194542)

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