Successful slow pathway modification with radiofrequency ablation in a patient with AVNRT and congenital IVC continuity with azygos vein

Background: Congenital anomalies of the inferior vena cava (IVC), such as interrupted or azygos continuation, complicate catheter-based procedures like atrioventricular nodal reentrant tachycardia (AVNRT) ablation. Understanding IVC variations is crucial for successful outcomes in interventional car...

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Bibliographic Details
Main Authors: Elizabeth Rimsky, Kaiyu Jia, Aysan Sattarzadeh, Michel El Khoury, Antonios Zakharia, Philippe Akhrass
Format: Article
Language:English
Published: SMC MEDIA SRL 2025-05-01
Series:European Journal of Case Reports in Internal Medicine
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Online Access:https://www.ejcrim.com/index.php/EJCRIM/article/view/5401
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Summary:Background: Congenital anomalies of the inferior vena cava (IVC), such as interrupted or azygos continuation, complicate catheter-based procedures like atrioventricular nodal reentrant tachycardia (AVNRT) ablation. Understanding IVC variations is crucial for successful outcomes in interventional cardiology. Case presentation: A 57-year-old male with long-standing paroxysmal atrial fibrillation (AF) underwent successful catheter ablation for AVNRT. Intra-procedurally, a congenital IVC anomaly was identified, requiring modified vascular access. Conclusion: Recognizing IVC anomalies and adapting access strategies are key to overcoming procedural challenges and ensuring successful ablation outcomes. Comprehensive imaging and planning are vital for managing patients with IVC variations.
ISSN:2284-2594