Focal pulsed field electroporation of left ventricular premature contractions after failed radiofrequency ablation

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Pulsed field electroporation (PFE) has earned substantial attention owing to its unique, non–thermal tissue–preferential mechanism for cardiac ablation of arrhythmias and is used increasingly for pulmonary vein isolation.1, 2, 3 Recently, a pulsed electrical field delivery system consisting of a proprietary generator coupled to specified ablation catheters and 3D electroanatomical mapping systems obtained CE approval for pulmonary vein isolation in patients with paroxysmal atrial fibrillation based on results of the ECLIPSE trial.4 The utility of this system for mapping and ablation in human ventricular myocardium in the clinical setting of ventricular arrhythmias was recently reported in case form.5 In this case we present the first successful use of PFE for focal endocardial ablation of premature contractions from the left ventricle following extensive unsuccessful attempts at radiofrequency ablation (RFA) in the same procedure. Thus, in a direct intraprocedural comparison, focal PFE was superior to RFA, indicating a promising role for this ablation modality in the future treatment of ventricular arrhythmias.
OriginalsprogEngelsk
TidsskriftHeartRhythm Case Reports
Vol/bind9
Udgave nummer8
Antal sider5
ISSN2214-0271
DOI
StatusUdgivet - 2023

Bibliografisk note

Funding Information:
None. RW has received research grants and speaker honoraria from Biosense Webster and JH has received research grants and speaker honoraria from Medtronic, Biosense Webster, and Boston Scientific. All other authors have no disclosures or conflicts of interest.

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