AVNRT cryoablation in children <26 kg: efficacy and safety of electrophysiologically guided low-voltage bridge strategy.

Autor: Drago F; Paediatric Cardiology and Cardiac Arrhythmias Complex Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Raimondo C; Paediatric Cardiology and Cardiac Arrhythmias Complex Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Tamborrino PP; Paediatric Cardiology and Cardiac Arrhythmias Complex Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Silvetti MS; Paediatric Cardiology and Cardiac Arrhythmias Complex Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Alberio AMQ; Paediatric Cardiology and Cardiac Arrhythmias Complex Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy., Annibali R; Abbott Medical Italia, Sesto San Giovanni, Milan, Italy., Fanti V; Abbott Medical Italia, Sesto San Giovanni, Milan, Italy., Raponi M; Medical Directorate, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.
Jazyk: angličtina
Zdroj: Pacing and clinical electrophysiology : PACE [Pacing Clin Electrophysiol] 2023 Jun; Vol. 46 (6), pp. 543-547. Date of Electronic Publication: 2023 Mar 12.
DOI: 10.1111/pace.14660
Abstrakt: The recently published "electrophysiologically guided low-voltage bridge (LVB) strategy" is effective in the ablation of atrioventricular nodal re-entry tachycardia (AVNRT) in children. This study aimed to evaluate its efficacy and safety in children <26 kgs. Fourteen children [64% males, median age 6.5 years (IQR 6-8 years), median weight 25.5 kg (IQR 24-26 kg)] with AVNRT were treated. In all patients, we detected a LVB associated to a typical slow pathway potential. The acute success rate was 100% with a mean of 5.5 cryoablation deliveries. All procedures were performed with near-zero fluoroscopic exposure (median time 0.15 min, IQR 0-0.7 min), in six patients fluoroscopy was 0 min. There were no complications or recurrences during the follow-up (median 20.91 months, IQR 11.7-26.7 months).
(© 2023 The Authors. Pacing and Clinical Electrophysiology published by Wiley Periodicals LLC.)
Databáze: MEDLINE
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