Localized Pulmonary Vein Scar Promotes Atrial Fibrillation in High Left Atrial Pressure
Abstract
Pulmonary vein (PV) ablation is unsuccessful in atrial fibrillation (AF) patients with high left atrial (LA) pressure. Increased atrial stretch by increased pressure is proarrhythmic for AF, and myocardial scar alters wall deformation. We hypothesized that localized PV scar is proarrhythmic for AF in high LA pressure.Radiofrequency energy was delivered locally in the right PV of healthy sheep. The sheep recovered for 4 months. Explanted hearts...
Paper Details
Title
Localized Pulmonary Vein Scar Promotes Atrial Fibrillation in High Left Atrial Pressure
Published Date
Aug 25, 2021
Journal
Volume
12
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