Application Repetition and Electrode-Tissue-Contact Results in Deeper Lesions Using a Pulsed-Field Ablation Circular Variable Loop Catheter.
Luigi Di BiaseJacopo MarazzatoTara GomezEric ByunFengwei ZouVito GrupposoSanghamitra MohantyVincenzo Fazia La FaziaGiuseppe AmmiratiAung LinDomingo Ynoa GarciaDomenico Giovanni Della RoccaAmin Al-AhmadMarco SchiavoneAlessio GasperettiMichael FreilichJuan Cedeno SernaGiovanni Battista ForleoXu LiuDhanunjaya R LakkireddyClaudio TondoSanghamitra MohantyXiao-Dong ZhangPublished 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 delivered via a circular catheter showed that both repetition and catheter contact led independently to deeper lesion formation. These findings indicate that endpoints for effective PFA ablation are more related to PFA biophysics than mere EGM attenuation.