In patients with structural heart disease, ventricular tachycardia (VT) worsens the clinical condition and may severely affect the short- and long-term prognosis. Several therapeutic options can be considered for the management of this arrhythmia. Among others, catheter ablation, a closed-chest therapy, can prevent arrhythmia recurrences by abolishing the arrhythmogenic substrate. Over the last two decades, different techniques have been developed for an effective approach to both tolerated and untolerated VTs. The clinical outcome of patients undergoing ablation has been evaluated in multiple studies. This editorial gives an overview of the role, methodology, clinical outcome and innovative approaches in catheter ablation of VT.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3224867 | PMC |
http://dx.doi.org/10.4330/wjc.v3.i11.339 | DOI Listing |
JACC Clin Electrophysiol
January 2025
Cardiac Arrhythmia Service, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
Background: Postprocedural pericarditis (PP) can occur in up to 29.4% of patients undergoing epicardial catheter ablation of ventricular tachycardia (VT). Despite several proposed strategies to mitigate this adverse outcome, rates of PP and pericarditic pain remain high.
View Article and Find Full Text PDFJACC Clin Electrophysiol
January 2025
Department of Cardiology, Hospital Clínic Cardiovascular Institute (ICCV), Universitat de Barcelona, Barcelona, Catalonia, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain. Electronic address:
JACC Clin Electrophysiol
January 2025
Section of Cardiac Electrophysiology, Cardiovascular Medicine Division, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA.
Background: Literature on the prevalence and management of atrial arrhythmias in patients with myotonic muscular dystrophy type 1 (MMD1) or myotonic muscular dystrophy type 2 (MMD2) is limited.
Objectives: This study sought to describe incidence, prevalence, and predictors of atrial fibrillation (AF) and atrial flutter (AFL) in a contemporary cohort of patients with myotonic muscular dystrophy (MMD).
Methods: Associations between patient factors and incident AF/AFL were analyzed in patients with MMD referred for routine electrophysiology evaluation between January 2013 and September 2023.
JACC Clin Electrophysiol
January 2025
Department of Cardiology, Westmead Hospital, Sydney, New South Wales, Australia; Westmead Applied Research Centre, University of Sydney, Sydney, New South Wales, Australia. Electronic address:
Background: Accurate electroanatomic mapping is critical for identifying scar and the long-term success of ventricular tachycardia ablation.
Objectives: This study sought to determine the accuracy of multielectrode mapping (MEM) catheters to identify scar on cardiac magnetic resonance (CMR) and histopathology.
Methods: In an ovine model of myocardial infarction, we examined the effect of electrode size, spacing, and mapping rhythm on scar identification compared to CMR and histopathology using 5 multielectrode mapping catheters.
JACC Clin Electrophysiol
January 2025
Division of Cardiac Electrophysiology, Virginia Commonwealth University, Richmond, Virginia, USA; Division of Cardiac Electrophysiology, Central Virginia Veterans Affairs Health System, Richmond, Virginia, USA. Electronic address:
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