Contemporary catheter ablation of complex atrial tachycardias after prior atrial fibrillation ablation: pulsed field versus radiofrequency current energy ablation guided by high-density mapping.

Melanie A Gunawardene Tim HarloffMario JularicJannis Dickow Rahin Wahedi Omar Anwar Peter Wohlmuth Nele GesslerJens HartmannStephan Willems

Published in: Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology (2024)

PFA of post-ablation LAT using a pentaspline catheter is feasible, safe and faster but less effective compared to standard RFC ablation after one-year of follow-up. Future catheter-designs and optimization of the electrical field may further improve practicability and efficacy of PFA for LAT.

Keyphrases

catheter ablation
atrial fibrillation
high density
left atrial
left atrial appendage
oral anticoagulants
heart failure
direct oral anticoagulants
high resolution
ultrasound guided
mass spectrometry
acute coronary syndrome
current status
radiofrequency ablation
finite element analysis