Left Atrial Structure and Function Predictors of New-Onset Atrial Fibrillation in Patients with Chagas Disease

Roberto M Saraiva, Nicole P Pacheco, Thayanne O J S Pereira,Andréa R Costa,Marcelo T Holanda,Luiz Henrique C Sangenis,Fernanda S N S Mendes,Andréa S Sousa,Alejandro Marcel Hasslocher-Moreno,Sergio S Xavier,Mauro Felippe F Mediano,Henrique H Veloso

Journal of the American Society of Echocardiography（2020）

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摘要

LA function evaluated on 3DE imaging or speckle-tracking echocardiography, but not LA volume, is an independent predictor of new-onset AF in patients with Chagas disease. The reservoir component of LA function measured on 3DE imaging (total LA emptying fraction < 51.8%) can identify a population at high risk for AF as depicted by the cumulative survival curves.

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关键词

Chagas disease,Atrial fibrillation,Prognosis,3D echocardiography,Left atrial function

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