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J Am Coll Cardiol, 2006; 48:779-786, doi:10.1016/j.jacc.2006.03.054 (Published online 24 July 2006).
© 2006 by the American College of Cardiology Foundation
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Left Atrial Volume Predicts the Risk of Atrial Fibrillation After Cardiac Surgery

A Prospective Study

Martin Osranek, MD, MSc*,*, Kaniz Fatema, MD, PhD*, Fatema Qaddoura, MD*, Ahmed Al-Saileek, MD*, Marion E. Barnes, MSc*, Kent R. Bailey, PhD{dagger}, Bernard J. Gersh, MB, ChB, DPhil, FACC*, Teresa S.M. Tsang, MD, FACC*, Kenton J. Zehr, MD{ddagger} and James B. Seward, MD, FACC*

* Division of Cardiovascular Diseases
{dagger} Division of Biostatistics
{ddagger} Department of Cardiovascular Surgery, Mayo Clinic, Rochester, Minnesota


Figure 1
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  		Figure 1 Box plots of left atrial volume (LAV) according to diastolic function grade (DFG). Using linear regression, the correlation coefficient r was 0.56 (p < 0.0001).

 

Figure 2
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  		Figure 2 (A) Incidence of different types of postoperative atrial fibrillation (AF) (single episode, multiple episodes, persistent more than 24 h) according to quartiles of left atrial volume (LAV). (B) Survival free from postoperative AF stratified by quartiles of LAV.

 

Figure 3
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  		Figure 3 Survival free from postoperative atrial fibrillation stratified by left atrial volume and age.

 




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