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Title:	Impact of left atrial volume, sphericity, and fibrosis on the outcome of catheter ablation for atrial fibrillation
Author:	den Uijl, Dennis W.; Cabanelas, Nuno; Benito, Eva; Figueras, Rosa; Alarcón, Francisco; Borràs, Roger; Prat González, Susanna; Guasch i Casany, Eduard; Perea Palazón, Rosario Jesús; Sitges Carreño, Marta; Brugada Terradellas, Josep, 1958-; Berruezo Sánchez, Antonio; Mont Girbau, Lluís
Notes:	INTRODUCTION: To investigate the relation between left atrial (LA) volume, sphericity, and fibrotic content derived from contrast-enhanced cardiac magnetic resonance imaging (CE-CMR) and their impact on the outcome of catheter ablation for atrial fibrillation (AF). METHODS AND RESULTS: In 83 patients undergoing catheter ablation for AF, CE-CMR was used to assess LA volume, sphericity, and fibrosis. There was a significant correlation between LA volume and sphericity (R = 0.535, P < 0.001) and between LA volume and fibrosis (R = 0.241, P = 0.029). Multivariate analyses demonstrated that LA volume was the strongest independent predictor of AF recurrence after catheter ablation (1.019, P = 0.018). CONCLUSION: LA volume, sphericity, and fibrosis were closely related; however, LA volume was the strongest predictor of AF recurrence after catheter ablation.
Subject(s):	-Fibril·lació auricular -Arrítmia -Ressonància magnètica -Atrial fibrillation -Arrhythmia -Magnetic resonance
Rights:	(c) Wiley, 2018
Document type:	Article Article - Accepted version
Published by:	Wiley
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