Long‐Term Outcome of Left Atrial Voltage‐Guided Substrate Ablation During Atrial Fibrillation: A Novel Adjunctive Ablation Strategy

Voltage‐Guided Atrial Fibrillation Substrate Ablation Introduction Left atrium (LA) low voltage area (LVA) on 3‐D electroanatomic bipolar voltage mapping (EAVM), as a surrogate for scar, is associated with poor AF ablation outcome. We evaluated the long‐term outcome of an LVA‐guided atrial fibrillat...

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Bibliographic Details
Published in:Journal of cardiovascular electrophysiology 2017-02, Vol.28 (2), p.147-155
Main Authors: YAGISHITA, ATSUHIKO, GIMBEL, J. ROD, OLIVEIRA, SAMER, MANYAM, HARISH, SPARANO, DINA, CAKULEV, IVAN, MACKALL, JUDITH, ARRUDA, MAURICIO
Format: Article
Language:English
Subjects:
Ablation
Action Potentials
Adult
Aged
Aged, 80 and over
atrial fibrillation
Atrial Fibrillation - diagnosis
Atrial Fibrillation - physiopathology
Atrial Fibrillation - surgery
Atrial Remodeling
Atrium
Cardiac arrhythmia
catheter ablation
Catheter Ablation - adverse effects
Catheter Ablation - methods
Chi-Square Distribution
Complications
Disease-Free Survival
electroanatomical mapping
Electrophysiologic Techniques, Cardiac
Female
Fibrillation
Heart Atria - physiopathology
Heart Atria - surgery
Heart Rate
Humans
Kaplan-Meier Estimate
Logistic Models
Low voltage
Male
Mapping
Middle Aged
Multivariate Analysis
Odds Ratio
Predictive Value of Tests
Proportional Hazards Models
pulmonary vein isolation
Pulmonary Veins - physiopathology
Pulmonary Veins - surgery
Risk Factors
Strategy
Time Factors
Treatment Outcome
Ventricular Function, Left
Voltage
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Summary:Voltage‐Guided Atrial Fibrillation Substrate Ablation Introduction Left atrium (LA) low voltage area (LVA) on 3‐D electroanatomic bipolar voltage mapping (EAVM), as a surrogate for scar, is associated with poor AF ablation outcome. We evaluated the long‐term outcome of an LVA‐guided atrial fibrillation (AF) substrate modification strategy as an adjunct to pulmonary vein isolation (PVI). Methods and Results Two hundred and one consecutive patients with AF (82% persistent/Non‐PAF, age 65 years), who underwent EAVM during AF prior to PVI, were divided into 2 groups according to the presence or absence of LVA outside the PV antra, defined as bipolar voltage of
ISSN:1045-3873
1540-8167
DOI:10.1111/jce.13122