American College of Cardiology

Size matters: Obesity leading risk factor of left atrial enlargement during aging

Published in Hematology Week, November 23rd, 2009

Aside from aging itself, obesity appears to be the most powerful predictor of left atrial enlargement (LAE), upping one's risk of atrial fibrillation (the most common type of arrhythmia), stroke and death, according to findings published in the November 17, 2009, issue of the Journal of the American College of Cardiology.

This prospective study-the first to evaluate factors affecting left atrial remodeling during aging over 10 years-found obesity and hypertension to be independent predictors of LAE, both resulting in a variety of structural and functional changes in the heart. The highest measures of left atrial volume (iLA) were seen in obese patients with high blood...

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Source: Hematology Week (2009-11-23)

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