Transcatheter reduction of a large, stented fenestration in a paediatric patient post-Fontan palliation

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Abstract
Staged Fontan pathway treatment is a recognised surgical approach for managing congenital heart lesions with single ventricle physiology. Some patients necessitate communication between the tunnel and the atrium to maintain circulatory balance. During follow-up, adjustments to fenestration size may be required. While methods for enlarging or completely closing fenestrations are common, partially reducing flow through a fenestration remains challenging. We present an effective technique for partially reducing the size of a large, stented fenestration using a coronary stent and a vascular occluder.

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