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The arrhythmogenic role of epicardial adipose tissue (EAT) in atrial arrhythmias is well established, but its effect on ventricular arrhythmias has been significantly less investigated. Since ventricular arrhythmias are thought to cause 75%-80% of cases of sudden cardiac death, this is not a trivial issue. We provide an overview of clinical data as well as experimental and molecular data linking EAT to ventricular arrhythmias, attempting to dissect possible mechanisms and indicate future directions of research and possible clinical implications. However, despite a wealth of data indicating the role of epicardial and intramyocardial fat in the induction and propagation of ventricular arrhythmias, unfortunately there is currently no direct evidence that indeed EAT triggers arrhythmia or can be a target for antiarrhythmic strategies. Copyright © 2023 Heart Rhythm Society. Published by Elsevier Inc. All rights reserved.


Marta Załęska-Kocięcka, Zuzanna Wojdyńska, Małgorzata Kalisz, Anna Litwiniuk, Michał Mączewski, Przemysław Leszek, Aleksandra Paterek. Epicardial fat and ventricular arrhythmias. Heart rhythm. 2024 Feb;21(2):206-212

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PMID: 37972673

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