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Atrial fibrillation among patients under investigation for suspected obstructive sleep apnea
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Family Medicine.
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Family Medicine.
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Pulmonary Medicine.
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2017 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 12, no 2, e0171575Article in journal (Refereed) Published
Abstract [en]

STUDY OBJECTIVES: Obstructive sleep apnea is common among patients with atrial fibrillation, but the prevalence and risk factors for atrial fibrillation among patients who are being investigated on suspicion of sleep apnea are not well known. The aim of the study was to estimate the prevalence of atrial fibrillation among patients investigated for suspected obstructive sleep apnea and to identify risk factors for atrial fibrillation among them.

METHODS: The prevalence of atrial fibrillation was investigated among 201 patients referred for suspected obstructive sleep apnea. Patients without known atrial fibrillation were investigated with a standard 12-lead ECG at hospital and short intermittent handheld ECG recordings at home, during 14 days.

RESULTS: Atrial fibrillation occurred in 13 of 201 subjects (6.5%), and in 12 of 61 men aged 60 years and older (20%). The prevalence of atrial fibrillation increased with sleep apnea severity (p = 0.038). All patients with atrial fibrillation were men and all had sleep apnea. Age 60 or older, the occurrence of central sleep apnea and diabetes mellitus were independent risk factors for atrial fibrillation after adjustments for body mass index, gender, sleep apnea and cardiovascular disease.

CONCLUSIONS: Atrial fibrillation is common among subjects referred for sleep apnea investigation and the prevalence of atrial fibrillation increases with sleep apnea severity. Independent risk factors for atrial fibrillation among patients investigated for suspected obstructive sleep apnea include the occurrence of coexisting central sleep apnea, age 60 years or older and diabetes mellitus.

Place, publisher, year, edition, pages
2017. Vol. 12, no 2, e0171575
National Category
Respiratory Medicine and Allergy
Identifiers
URN: urn:nbn:se:umu:diva-131353DOI: 10.1371/journal.pone.0171575ISI: 000393712500051PubMedID: 28178304OAI: oai:DiVA.org:umu-131353DiVA: diva2:1073757
Available from: 2017-02-13 Created: 2017-02-13 Last updated: 2017-05-02Bibliographically approved

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CiteExportLink to record
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Citation style
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