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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Artículo Open Access |
| Published: |
Wiley
2025
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| Online Access: | https://onlinelibrary.wiley.com/doi/10.1111/jce.16607 |
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Table of Contents:
- Safety of Ablation Within the Coronary Venous Sinus in Pediatric Patients Shankar Baskar Martin J. LaPage Nicholas J. Ollberding David S. Spar Brynn E. Dechert Audrey Dionne Luis Ochoa Ian Law Peter P. Karpawich Diana Torpoco‐Rivera Christopher W. Follansbee Jason Garnreiter Richard J. Czosek Journal of Cardiovascular Electrophysiology ABSTRACTBackgroundCatheter‐based ablation in the coronary venous sinus (CS) can be associated with inadvertent coronary artery (CA) injury. However, a significant gap remains in the literature with regard to safety of such ablation in pediatrics.ObjectivesThe primary aim of this study was to describe the safety of catheter‐based ablation within the CS. Secondary aim was to describe the practice pattern of ablation energy source within the CS among pediatric centers.MethodsThis was a multi‐center, retrospective study over a period of 20 years (1999–2019) involving seven centers. Pediatric patients (≤ 21 years of age) undergoing ablation within the CS were included.ResultsA total of 211 patients were included (median age: 14 [IQR: 10.5, 16.0]). Accessory pathways were the target in almost 90% of the patients with cryoablation in 55%, nonirrigated RF in 40% and irrigated RF in 6%. Only 16% had coronary arteriogram done before RF. There was a single patient who had CA injury, in the form of a transient spasm of the left circumflex CA following RF in the proximal CS. There was transient high‐grade AV block in six patients (2.8%) who either had RF or cryoablation. There was no permanent AV block.ConclusionThe use coronary arteriogram before RF in the CS is infrequent, although acute CA injury appears to be rare following such ablation. Transient heart block is not uncommon, and the operators need to be vigilant in monitoring AV nodal conduction. 10.1111/jce.16607 http://onlinelibrary.wiley.com/termsAndConditions#vor