Abstract
BackgroundCHA2DS2-VASc score (congestive heart failure; hypertension; ages ≥ 74 years (2 points); diabetes; stroke, transient ischemic attack, or systemic embolism (2 points); vascular disease; ages 65 - 74 years; sex (female)) is a widely used clinical scale to estimate the risk of stroke in patients with non-valvular atrial fibrillation (AF). However, the relationship between the increase in CHA2DS2-VASc score and atrial remodeling remains unsettled.MethodsTwenty-five consecutive patients undergoing cardiac computed tomography (CT) were recruited. The systolic and diastolic volumes of left atrium and left atrial appendage (LAA) were measured. Risk of stroke was estimated using the CHA2DS2-VASc score. The relationship of the CHA2DS2-VASc score with morphological and functional variables was analyzed by Pearson’s correlation.ResultsA positive correlation was documented between the CHA2DS2-VASc score and systolic (r = 0.419, P = 0.037) and diastolic (r = 0.415, P = 0.039) LAA volumes. Atrial volumes and left atrial ejection fraction showed no significant correlations with CHA2DS2-VASc.ConclusionsThis study shows, for the first time, a positive correlation between CHA2DS2-VASc score and LAA remodeling.
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