Atrial fibrillation in the setting of cardiac amyloidosis - A review of the literature.
Journal article
Bazoukis, George, Saplaouras, Athanasios, Efthymiou, Polyxeni, Yiannikourides, Andronicos, Liu, Tong, Sfairopoulos, Dimitrios, Korantzopoulos, Panagiotis, Varrias, Dimitrios, Letsas, Konstantinos P, Thomopoulos, Costas, Tse, Gary and Stavrakis, Stavros 2024. Atrial fibrillation in the setting of cardiac amyloidosis - A review of the literature. Journal of Cardiology. https://doi.org/10.1016/j.jjcc.2024.03.008
Authors | Bazoukis, George, Saplaouras, Athanasios, Efthymiou, Polyxeni, Yiannikourides, Andronicos, Liu, Tong, Sfairopoulos, Dimitrios, Korantzopoulos, Panagiotis, Varrias, Dimitrios, Letsas, Konstantinos P, Thomopoulos, Costas, Tse, Gary and Stavrakis, Stavros |
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Abstract | Cardiac amyloidosis (CA) is related to the aggregation of insoluble fibrous deposits of misfolded proteins within the myocardium. Transthyretin amyloidosis (ATTR) and immunoglobulin light-chain amyloidosis are the main forms of CA. Atrial fibrillation (AF) is a common arrhythmia in CA patients, especially in those with ATTR amyloidosis. Increased atrial preload and afterload, atrial enlargement, enhanced atrial wall stress, and autonomic dysfunction are the main mechanisms of AF in CA patients. CA is associated with the formation of endocardial thrombi and systemic embolism. The promoters of thrombogenesis include endomyocardial damage, blood stasis, and hypercoagulability. The prevalence of thrombi in patients with AF remains elevated despite long-term anticoagulation. Consequently, transesophageal ultrasound examinations before cardioversion should be performed to exclude endocardiac thrombi despite anticoagulation. Furthermore, the CHA DS -VASc score should not be used to assess the thromboembolic risk in CA patients with AF. Rate control is challenging in patients with CA, while rhythm control is the preferred treatment option, especially in the early stages of the disease process. Although catheter ablation is an effective treatment option, more data are needed to explore the role of the procedure in CA patients. [Abstract copyright: Copyright © 2024. Published by Elsevier Ltd.] |
Keywords | Atrial fibrillation; Cardiac amyloidosis; Atrial arrhythmias; Catheter ablation |
Year | 2024 |
Journal | Journal of Cardiology |
ISSN | 1876-4738 |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.jjcc.2024.03.008 |
https://doi.org/S0914-5087(24)00053-4 | |
Official URL | https://www.sciencedirect.com/science/article/pii/S0914508724000534?via%3Dihub |
Publication dates | |
Online | 31 Mar 2024 |
Publication process dates | |
Accepted | 22 Mar 2024 |
Deposited | 17 Apr 2024 |
Output status | Published |
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