Evaluation of Intraprocedural Strategies to Assess Acute Pulmonary Vein Isolation After First-Pass Wide Antral Circumferential Ablation

Background

Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia. While pulmonary vein isolation (PVI) remains the cornerstone of AF ablation, the optimal method for confirming complete acute isolation remains uncertain. This study evaluated the diagnostic value of pulmonary vein (PV) pacing compared with repeat three-dimensional (3D) electroanatomical mapping following wide antral circumferential ablation (WACA).