Feasibility of tissue proximity indication during atrial fibrillation rhythm as an indicator of acute pulmonary vein reconnection using variable-loop pulsed field ablation catheter.
TPI assessment during AF rhythm is useful, particularly with version 8.1 and combined with bipolar voltage, despite a slight site-dependency, but the utility of these metrics was slightly site-dependent, with reduced accuracy observed at the roof/floor lines and the anterior region of the left inferior PV and the carin...