Catheter Ablation of Lone Atrial Fibrillation

Author(s): Nebojsa M. Mujovic, Milan M. Marinkovic, Tatjana S. Potpara, Laszlo Geller.

Journal Name: Current Pharmaceutical Design

Volume 21 , Issue 5 , 2015

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Abstract:

Atrial fibrillation is the most common sustained arrhythmia in clinical practice, associated with increased mortality, risk of stroke and heart failure, as well as the reduction of the quality of life. Atrial fibrillation may be encountered in young otherwise healthy individuals, due to the isolated electrophysiological disorder limited mostly to the pulmonary veins and posterior left atrial wall, or associated with the presence of advanced underlying heart disease and numerous cardiac and non-cardiac comorbidities with significant structural remodeling of the atrial myocardium. Due to limited efficacy and serious side effects of antiarrhythmic drugs, catheter ablation of atrial fibrillation, based on the pulmonary vein isolation for paroxysmal atrial fibrillation and adjunctive substrate modification for persistent atrial fibrillation, has emerged as an attractive and promissing alternative therapeutic option for selected patients with atrial fibrillation. In this review article, we discuss the electrophysiological left atrial abnormalities underlying lone atrial fibrillation and the role of pulmonary veins in pathophysiology of arrhythmia, and we summarize results of the studies on the long term outcome of catheter ablation of atrial fibrillation, as well as the studies on comparison of antiarrhythmic drugs with catheter ablation for treatment of atrial fibrillation. In addition, we present available data that provide better understanding of mechanisms, diagnosis, prevention and treatment of specific procedure-related complications and discuss current periprocedural anticoagulation strategies and their impact on the thromboembolic risk reduction.

Keywords: Atrial fibrillation, lone atrial fibrillation, pulmonary vein isolation, catheter ablation.

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Article Details

VOLUME: 21
ISSUE: 5
Year: 2015
Page: [591 - 612]
Pages: 22
DOI: 10.2174/1381612820666140825144226
Price: $58

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