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| http://dx.doi.org/10.1016/j.ipej.2017.07.001 | DOI Listing |
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A Novel Wave-speed Mapping Method for Visualizing Accessory Pathways in Wolff-Parkinson-White Syndrome.
J Cardiovasc Electrophysiol
December 2024
Department of Cardiovascular Medicine, University of Yamanashi, Chuo, Japan.
Introduction: Catheter ablation (CA) is the first-line treatment with a high success rate for patients with symptomatic Wolff-Parkinson-White syndrome, while three-dimensional (3D) mapping systems enable the identification of accessory pathways (APs). We aimed to develop a novel mapping method using wave-speed mapping (WSM) to determine AP locations and CA outcomes.
Methods And Results: This study included 19 patients diagnosed with atrioventricular (AV) reciprocating tachycardia.
Transcatheter ablation of atrioventricular nodal reentry tachycardia in children and congenital heart disease in the era of 3D mapping.
Front Cardiovasc Med
November 2024
Paediatric Cardiology and Cardiac Arrhythmias Complex Unit, Bambino Gesù Children's Hospital IRCCS, Rome, Italy.
Atrioventricular nodal reentrant tachycardia (AVNRT) is a common supraventricular tachycardia in children and congenital heart disease (CHD) patients. Nowadays, in large enough children, chronic treatment for symptomatic and recurrent AVNRT episodes relies on transcatheter ablation. Indeed, many three-dimensional (3D) mapping strategies and ablation techniques have been developed and it helped to increase success rates and to reduce complications.
View Article and Find Full Text PDFAblation of Atrioventricular Nodal Reentrant Tachycardia with Focal Cryoablation, Compared with Radiofrequency Ablation: Single-Center Experience.
Arq Bras Cardiol
September 2024
Izmir University of Economics - Department of Cardiology, Izmir - Turquia.
Background: The ablation of atrioventricular nodal reentrant tachycardia (AVNRT) with cryoablation is an alternative to radiofrequency (RF) ablation in patients due to the low risk of total atrioventricular block. An increase in early-late recurrences after cryoablation is reported as an important disadvantage.
Objectives: In this study, we aimed to compare the acute procedural success and the long-term recurrence rates of patients, with AVNRT who underwent methods.
Efficacy of balloon-expandable extreme-low-temperature ventricular epicardial cryoablation: A preclinical proof of concept evaluation.
Heart Rhythm
September 2024
Section of Cardiac Pacing and Electrophysiology, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio. Electronic address:
Article Synopsis
- Current epicardial ablation methods struggle to create deep lesions and can damage nearby structures, motivating the study of a new cryoablation catheter designed to address these issues.
- The study involved ten healthy pigs, where researchers used both surgical and percutaneous approaches to create epicardial lesions while measuring the effectiveness and safety of a low-temperature cryoablation system called HeartPad.
- Results showed that lesion depth increased significantly with longer exposure times, suggesting that the new catheter design may improve ablation outcomes while potentially protecting surrounding tissues.
Pulmonary Vein Isolation or Pace and Ablate in Elderly Patients With Persistent Atrial Fibrillation (ABLATE Versus PACE)-Rationale, Methods, and Design.
Can J Cardiol
December 2024
St Josefs-Hospital, Wiesbaden, Germany. Electronic address:
Age is a major risk-factor for atrial fibrillation (AF) and associated hospitalisations. With increasing emphasis on rhythm control, pulmonary vein isolation (PVI) is often suggested, even to elderly patients (≥ 75 years of age). Efficacy of PVI aiming at rhythm control is limited in persistent AF.
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