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| http://dx.doi.org/10.1016/j.hrcr.2020.03.004 | DOI Listing |
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Localization and Spread of Challenging Conduction Gaps of Pulmonary Veins for Atrial Fibrillation Cryoablation.
Pacing Clin Electrophysiol
December 2024
Department of Cardiology, International University of Health and Welfare Hospital, Tochigi, Japan.
Background: Cryoballoon ablation has been widely performed in patients with paroxysmal atrial fibrillation (AF). In some challenging pulmonary veins (PVs), the procedure requires additional touch-up applications against the residual conduction gaps. It implies that there could exist difficult sites to cover with standard cryoballoon applications (CBAs), resulting in resistant conduction gaps (RCGs).
View Article and Find Full Text PDFLong-Term Patient-Reported Outcomes After Radiofrequency Ablation and Cryoballoon Ablation for Paroxysmal Atrial Fibrillation: The Effect of Additional Ablations.
J Cardiovasc Dev Dis
November 2024
Department of Cardiovascular Sciences, Clinical Science Wing, University of Leicester, Glenfield Hospital, Groby Road, Leicester LE3 9QP, UK.
Background: pulmonary vein isolation (PVI) for paroxysmal atrial fibrillation (PAF) improves health-related quality of life (QoL). This study compares QoL improvement after radiofrequency ablation (RF) and cryoballoon ablation (cryo) and assesses additional ablations' role in QoL improvement.
Methods: we evaluated the QoL of consecutive patients with first-time RF and cryo for PAF between January 2017 and June 2019.
Impact of the Individual Operator Experience and Learning Curve of a Novel Size Adjustable Cryoballoon.
J Cardiovasc Electrophysiol
December 2024
Department of Cardiovascular Medicine, Institute of Science Tokyo, Tokyo, Japan.
Background: Cryoballoon ablation is less operator-dependent than radiofrequency ablation. Recently, size-adjustable cryoballoons (SA-CBs) have become available. We sought to analyze the individual baseline operator experience's impact on procedural results.
View Article and Find Full Text PDFA new stepwise approach to minimize phrenic nerve injury during cryoballoon pulmonary vein isolation.
J Interv Card Electrophysiol
December 2024
Clinic for Electrophysiology, Herz- und Diabeteszentrum NRW, Ruhr-Universität Bochum, Bad Oeynhausen, Germany.
Background: A phrenic nerve injury (PNI) during cryoballoon (CB) pulmonary vein isolation (PVI) continues to represent a limitation of this technique. The objective of this study was to develop a novel technique with the aim of reducing the incidence of PNI.
Methods: We performed a retrospective analysis of data from two hospitals in patients with symptomatic, drug-resistant atrial fibrillation (AF) over 7 years to evaluate the incidence and clinical characteristics of PNI during cryoballoon PVI.
Concurrent assessment of time-to-isolation and temperature at 30 s as an innovative metric for predicting the persistence of pulmonary vein isolation using second-generation cryoballoons.
J Cardiothorac Surg
December 2024
The Shengli Clinical Medical College, Fujian Medical University, Fuzhou, 350001, Fujian Province, P.R. China.
Background: We attempted to establish correlations between intraoperative variables such as time-to-isolation (TTI) and temperature (T) at the 30-second mark, and the sustained efficacy of pulmonary vein isolation.
Methods: One hundred patients underwent repeat procedures subsequent to their index ablation. Five time intervals were delineated based on TTI metrics of 30, 35, 40, 45, and 60 s during the initial procedure.
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