Transcatheter closure of the right atrioventricular valve in a double-inlet left ventricle patient following Fontan operation

Bahar Çaran¹, Sezen Ugan Atik¹, Selman Gökalp¹, Yakup Ergül², Alper Güzeltaş¹

¹Department of Pediatric Cardiology, İstanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, İstanbul, Türkiye
²Department of Pediatric Cardiology, Al Jalila Children?s Speciality Hospital, Dubai, United Arab Emirates

DOI : 10.5606/tgkdc.dergisi.2026.27142

In this article, we report a successful percutaneous transcatheter right atrioventricular valve closure procedure using a patent foramen ovale occluder in an 11-year-old male case who previously underwent a Fontan procedure and surgical right atrioventricular valve closure for double-inlet left ventricle, hypoplastic right ventricle, ventriculoarterial discordance and coarctation of the aorta and developed severe right atrioventricular valve regurgitation during follow-up. This case report highlights our experience regarding the difficulties encountered during the procedure.

Keywords : Atrioventricular valve regurgitation, double-inlet left ventricle, Fontan circulation, percutaneous valve closure

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