Cryoballoon ablation is a well-established therapeutic tool for paroxysmal atrial fibrillation (PAF). We herein report a rare case of a 69-year-old man with PAF undergoing hemodialysis due to chronic kidney disease who developed hyperkalemia caused by possible cold agglutinin disease during cryoballoon ablation therapy. During the procedure, his electrocardiogram showed wide QRS when we finished cryoablation therapy. We detected hyperkalemia and performed urgent hemodialysis. We should bear in mind that cold agglutinin disease can occur during cryoballoon ablation.
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http://dx.doi.org/10.2169/internalmedicine.2888-19 | DOI Listing |
J Arrhythm
February 2025
Heart Center Munich-Bogenhausen, Department of Cardiology and Internal Intensive Care Medicine Munich Hospital Bogenhausen, Munich Municipal Hospital Group Munich Germany.
Purpose: Pulmonary vein isolation (PVI) is effective in treating atrial fibrillation (AF), but outcomes are worse for persistent AF (persAF) patients than paroxysmal AF (PAF) patients. The study aimed to identify differences in left atrial (LA) and left atrial appendage (LAA) anatomy in different AF types.
Methods: In a single-center observational study, a blinded retrospective analysis of preprocedural cardiac computed tomography angiography (CCTA) images was performed.
Heart Rhythm
January 2025
Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel - Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Brussels, Belgium.
Background: Catheter ablation is an effective treatment for atrial fibrillation (AF). Pulsed field ablation (PFA) has emerged as a novel energy modality, which relies on high-voltage electric fields to achieve cardiac tissue ablation. Data on its efficacy in the elderly are scarce.
View Article and Find Full Text PDFJ Cardiothorac Surg
January 2025
Department of Cardiology, School of Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
Pulmonary vein isolation (PVI) with cryoballoon (CB) ablation technology is widely used to treat drug-resistant atrial fibrillation (AF). During CB ablation, there is a possibility of forming an ice cap of contrast-color on top of the balloon. If automatic balloon deflate occurs before the ice cap dissolves, embolization to the systemic circulation is possible.
View Article and Find Full Text PDFFront Surg
January 2025
Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
We report a case of a patient with dilated cardiomyopathy who experienced recurrent ventricular tachycardia (VT) and multiple defibrillations following CRT-D implantation. Due to worsening cardiac function, the patient required surgical implantation of a left ventricular assist device (LVAD) as a bridge to heart transplantation. During the procedure, we used the Ensite three-dimensional mapping system to perform activation and substrate mapping of the VT targets, followed by endocardial and epicardial cryoballoon ablation of clinical VT.
View Article and Find Full Text PDFEuropace
January 2025
Bielefeld University, Medical School and University Medical Center OWL, Public Hospital of Bielefeld, Department of Cardiology and Intensive Care Medicine.
Background And Aims: Early rhythm-control therapy in atrial fibrillation (AF) results in higher freedom from atrial arrhythmia (AA) recurrence and improved cardiovascular outcomes. The optimal timing of Cryoballoon ablation (CBA) is unknown.
Methods: We evaluated AA recurrence and procedure-related complications of early vs.
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