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Article

Ablation of Atrioventricular Nodal Re-Entrant Tachycardia Combining Irrigated Flexible-Tip Catheters and Three-Dimensional Electroanatomic Mapping: Long-Term Outcomes

by
Michele Malagù
*,
Francesco Vitali
,
Federico Marchini
,
Alessio Fiorio
,
Paolo Sirugo
,
Daniela Mele
,
Alessandro Brieda
,
Cristina Balla
and
Matteo Bertini
Cardiological Center, S. Anna Hospital, Via Aldo Moro 8, 44124 Ferrara, Italy
*
Author to whom correspondence should be addressed.
J. Cardiovasc. Dev. Dis. 2021, 8(6), 61; https://doi.org/10.3390/jcdd8060061
Submission received: 20 April 2021 / Revised: 19 May 2021 / Accepted: 20 May 2021 / Published: 25 May 2021
(This article belongs to the Section Electrophysiology and Cardiovascular Physiology)
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Abstract

Background: Transcatheter ablation is the standasrd treatment for atrioventricular nodal re-entrant tachycardia (AVNRT). However, different techniques are available. Data about the use of irrigated flexible-tip catheters and three-dimensional electroanatomical mapping (3D EAM) for AVNRT ablation are scant. The aim of this study was to evaluate in long-term follow-up efficacy and safety of a novel approach for AVNRT treatment. Methods: This is a cohort single arm study with long-term follow-up. Patients with AVNRT were treated with catheter ablation by means of irrigated flexible-tip catheters combined with 3D EAM. Results: One-hundred-and-fifty patients were enrolled and followed-up for a median of 38 months (minimum 12, maximum 74). Acute procedural success rate was 96.7% (145/150 patients). During follow-up, 11 patients had arrhythmia recurrences (7.3%). No patient developed atrioventricular conduction block with need for pacemaker implantation (0%). Fourteen patients died during follow-up (9.3%). Conclusions: Acute procedural success and long-term follow-up show that AVNRT could be safely and effectively treated with irrigated flexible-tip catheters and 3D EAM.
Keywords: arrhythmias; atrioventricular nodal re-entrant tachycardia; AVNRT; transcatheter ablation; irrigated catheter; electroanatomic mapping; radiofrequency arrhythmias; atrioventricular nodal re-entrant tachycardia; AVNRT; transcatheter ablation; irrigated catheter; electroanatomic mapping; radiofrequency

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MDPI and ACS Style

Malagù, M.; Vitali, F.; Marchini, F.; Fiorio, A.; Sirugo, P.; Mele, D.; Brieda, A.; Balla, C.; Bertini, M. Ablation of Atrioventricular Nodal Re-Entrant Tachycardia Combining Irrigated Flexible-Tip Catheters and Three-Dimensional Electroanatomic Mapping: Long-Term Outcomes. J. Cardiovasc. Dev. Dis. 2021, 8, 61. https://doi.org/10.3390/jcdd8060061

AMA Style

Malagù M, Vitali F, Marchini F, Fiorio A, Sirugo P, Mele D, Brieda A, Balla C, Bertini M. Ablation of Atrioventricular Nodal Re-Entrant Tachycardia Combining Irrigated Flexible-Tip Catheters and Three-Dimensional Electroanatomic Mapping: Long-Term Outcomes. Journal of Cardiovascular Development and Disease. 2021; 8(6):61. https://doi.org/10.3390/jcdd8060061

Chicago/Turabian Style

Malagù, Michele, Francesco Vitali, Federico Marchini, Alessio Fiorio, Paolo Sirugo, Daniela Mele, Alessandro Brieda, Cristina Balla, and Matteo Bertini. 2021. "Ablation of Atrioventricular Nodal Re-Entrant Tachycardia Combining Irrigated Flexible-Tip Catheters and Three-Dimensional Electroanatomic Mapping: Long-Term Outcomes" Journal of Cardiovascular Development and Disease 8, no. 6: 61. https://doi.org/10.3390/jcdd8060061

APA Style

Malagù, M., Vitali, F., Marchini, F., Fiorio, A., Sirugo, P., Mele, D., Brieda, A., Balla, C., & Bertini, M. (2021). Ablation of Atrioventricular Nodal Re-Entrant Tachycardia Combining Irrigated Flexible-Tip Catheters and Three-Dimensional Electroanatomic Mapping: Long-Term Outcomes. Journal of Cardiovascular Development and Disease, 8(6), 61. https://doi.org/10.3390/jcdd8060061

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