Document Detail

Association of atrial fibrillation and obstructive sleep apnea.
MedLine Citation:
PMID:  15249509     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Obstructive sleep apnea (OSA) is associated with recurrent atrial fibrillation (AF) after electrocardioversion. OSA is highly prevalent in patients who are male, obese, and/or hypertensive, but its prevalence in patients with AF is unknown. METHODS AND RESULTS: We prospectively studied consecutive patients undergoing electrocardioversion for AF (n=151) and consecutive patients without past or current AF referred to a general cardiology practice (n=312). OSA was diagnosed with the Berlin questionnaire, which is validated to identify patients with OSA. We also assessed its accuracy compared with polysomnography in a sample of the study population. Groups were compared with the 2-tailed t, Wilcoxon, and chi2 tests. Logistic regression modeled the association of AF and OSA after adjustment for relevant covariates. Patients in each group had similar age, gender, body mass index, and rates of diabetes, hypertension, and congestive heart failure. The questionnaire performed with 0.86 sensitivity, 0.89 specificity, and 0.97 positive predictive value in our sample. The proportion of patients with OSA was significantly higher in the AF group than in the general cardiology group (49% versus 32%, P=0.0004). The adjusted odds ratio for the association between AF and OSA was 2.19 (95% CI 1.40 to 3.42, P=0.0006). CONCLUSIONS: The novel finding of this study is that a strong association exists between OSA and AF, such that OSA is strikingly more prevalent in patients with AF than in high-risk patients with multiple other cardiovascular diseases. The coinciding epidemics of obesity and AF underscore the clinical importance of these results.
Apoor S Gami; Gregg Pressman; Sean M Caples; Ravi Kanagala; Joseph J Gard; Diane E Davison; Joseph F Malouf; Naser M Ammash; Paul A Friedman; Virend K Somers
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.     Date:  2004-07-12
Journal Detail:
Title:  Circulation     Volume:  110     ISSN:  1524-4539     ISO Abbreviation:  Circulation     Publication Date:  2004 Jul 
Date Detail:
Created Date:  2004-07-27     Completed Date:  2005-01-25     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0147763     Medline TA:  Circulation     Country:  United States    
Other Details:
Languages:  eng     Pagination:  364-7     Citation Subset:  AIM; IM    
Division of Cardiovascular Diseases, Mayo Clinic College of Medicine, 200 First St SW, Rochester, Minn 55905, USA.
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MeSH Terms
Atrial Fibrillation / epidemiology*,  etiology
Diabetes Mellitus / epidemiology
Electric Countershock
Heart Failure / epidemiology
Hypertension / epidemiology
Middle Aged
Neck / pathology
Obesity / complications
Prospective Studies
Sensitivity and Specificity
Sleep Apnea, Obstructive / complications,  diagnosis,  epidemiology*,  physiopathology
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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