Contact Index-Guided Pulsed Field Ablation: A Two-Phase Validation of the Impedance Change Threshold to Prevent Acute Pulmonary Vein Gaps
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Background: Pulsed field ablation (PFA) for atrial fibrillation (AF) requires adequate catheter-tissue contact. The Contact Index visualizes impedance change for the pentaspline catheter, but a validated contact threshold is unkn... ...
