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Can ICD Electrograms Help Ventricular Tachycardia Ablation?: Results From the Multicenter Randomized AIDEG-VTA Trial.
J Am Coll Cardiol
November 2024
Electrophysiology Laboratory and Arrhythmia Unit, Centro Integral de Enfermedades Cardiovasculares, Hospital Monteprincipe, Grupo HM Hospitales, Madrid, Spain. Electronic address:
Background: The results of ablation of sustained monomorphic ventricular tachycardia (SMVT) are suboptimal. For many patients with implantable cardioverter-defibrillators (ICDs), ICD electrograms (ICD-EGs) provide the only available information on SMVT. ICD-EGs have the ability to distinguish morphologically distinct SMVT and can be used for pace mapping.
View Article and Find Full Text PDFElectrical storm in a patient with Charcot-Marie-Tooth disease treated with radiofrequency ablation and subsequent serious complication of implantable cardioverter defibrillator implantation: a case report.
Eur Heart J Case Rep
January 2025
Department of Internal Medicine and Cardiology, Faculty of Medicine, University Hospital Ostrava, University of Ostrava, 17. listopadu 1790, 708 52 Ostrava, Czech Republic.
Background: Charcot-Marie-Tooth is the most common inherited neuromuscular disorder. Rarely, it can be associated with heart failure and various arrhythmic disturbances. This case illustrates the challenges of making decisions to prevent sudden cardiac death in a patient with Charcot-Marie-Tooth disease.
View Article and Find Full Text PDFPre-ablation and Post-ablation Factors Influencing the Prognosis of Patients with Electrical Storm Treated by Radiofrequency Catheter Ablation: An Update.
Rev Cardiovasc Med
December 2024
Department of Cardiothoracic Pathology, Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, 050474 Bucharest, Romania.
Catheter ablation-based management strategies for the drug-refractory electrical storm (ES) have been proven to abolish acute ventricular arrhythmic episodes and improve long-term outcomes. However, this effect is highly influenced by multiple independently acting factors, which, if identified and addressed, may allow a more tailored management to each particular case to improve results. This review synthesizes existing evidence concerning ES outcome predictors of patients undergoing ablation and introduces the role of novel scoring algorithms to refine risk stratification.
View Article and Find Full Text PDFArrhythmic storm in a liver transplant recipient: Could bezlotoxumab be the trigger?
Med Clin (Barc)
December 2024
Internal Medicine Department, Clínica Universidad de Navarra, Pamplona, Spain; Infectious Diseases Division, Clínica Universidad de Navarra, Pamplona, Spain; IdiSNA, Navarra Institute for Health Research, Pamplona, Spain.
Extracorporeal membrane oxygenation for patients with electrical storm or refractory ventricular arrhythmias: Management and outcomes.
Can J Cardiol
December 2024
Department of Medicine, University of Toronto, Toronto, Canada; Peter Munk Cardiac Centre, Toronto General Hospital, University Health Network, Toronto, Canada. Electronic address:
Patients on veno-arterial extracorporeal membrane oxygenation (VA-ECMO) are at high risk for ventricular arrhythmias due to derangements in myocardial perfusion, hemodynamics, and heightened catecholamine states. Existing data on the management and outcomes of patients with electrical storm or refractory ventricular tachycardia/fibrillation (VT/VF) treated with VA-ECMO are primarily derived from retrospective observational studies. Typical survival rates are in the range of 40-50%, with 15-20% of patients undergoing VT ablation and 30-40% of patients requiring advanced heart failure therapies (cardiac transplant or durable left ventricular assist device).
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