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| http://dx.doi.org/10.1016/j.hrcr.2016.11.002 | DOI Listing |
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A tailored substrate-based approach using focal pulsed field catheter ablation in patients with atrial fibrillation and advanced atrial substrate: Procedural data and 6-months success rates.
Heart Rhythm
January 2025
Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Maastricht, The Netherlands; Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark. Electronic address:
Background: Focal pulsed-field ablation (F-PFA) integrated in electroanatomical mapping (EAM) systems allows tailored lesion sets in patients with atrial fibrillation (AF).
Objective: To determine feasibility, safety and 6-months outcome of F-PFA for a tailored substrate-based catheter ablation (CA) approach in patients with AF and advanced atrial substrate.
Methods: Consecutive patients with AF and advanced atrial substrate treated by a F-PFA system (Cardiofocus) through contact-force sensing catheters integrated in EAM systems were prospectively enrolled.
A catheter ablation case of confluent inferior and left superior pulmonary veins: a rare pulmonary vein variation.
J Interv Card Electrophysiol
January 2025
Department of Cardiology, Sapporo Kosei General Hospital, 8-5 Kita 3 Jo Higashi, Chuo-Ku, Sapporo City, Hokkaido, Japan.
Pulmonary vein (PV) variations are commonly detected by preoperative imaging modalities in catheter ablation for atrial fibrillation. However, rare variations that have not been previously reported exist. The present case is the first reported instance of three PVs originating from a common trunk.
View Article and Find Full Text PDFA CT-based evaluation and comparison of ganglionated plexus targeting techniques for cardioneuroablation.
Heart Rhythm
January 2025
Bordeaux University Hospital, Bordeaux, France.
Background: Cardioneuroablation (CNA) targets ganglionated plexus (GP) to treat neurally-mediated syncope, yet a standardized GP identification method is lacking. Post-processing of cardiac computed tomography (CT) identifies epicardial fat thus allowing for fat pad identification. While CT-guided CNA's feasibility is documented, data about GP anatomy and comprehensive evaluations of GP targeting methods remain scarce.
View Article and Find Full Text PDFPeak Frequency Analysis and Functional Substrate Mapping to Predict Critical Isthmus of Atypical Atrial Tachycardia; Findings from a Novel Automated Annotation Algorithm to Detect Near Field Signals.
Heart Rhythm
January 2025
Hacettepe University, Faculty of Medicine, Department of Cardiology, Ankara, Turkey.
Background: Atypical atrial tachycardia (AT) is a commonly encountered rhythm disorder especially in patients with underlying atrial scar. Peak frequency (PF) annotation of bipolar electrograms is a novel method, which mainly aims to discriminate near-field and far-field signals.
Objective: To evaluate the association between PF annotation of low-voltage zones (LVZ) and deceleration zones (DZ) during sinus / paced rhythm and their role to predict the critical isthmus (CI) and termination sites of atypical ATs.
Atypical Atrial Flutter: Electrophysiological Characterization and Effective Catheter Ablation.
J Cardiovasc Electrophysiol
January 2025
Division of Cardiology, Geneva University Hospitals, Geneva, Switzerland.
Atrial flutter (AFL), defined as macro-re-entrant atrial tachycardia, is associated with debilitating symptoms, stroke, heart failure, and increased mortality. AFL is classified into typical, or cavotricuspid isthmus (CTI)-dependent, and atypical, or non-CTI-dependent. Atypical AFL is a heterogenous group of re-entrant atrial tachycardias that most commonly occur in patients with prior heart surgery or catheter ablation.
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