Abstract
Methods Ten swine underwent transcatheter bidirectional Glenn procedures under MRI at 1.5T. An MRI antenna-needle was advanced from the superior vena cava (SVC) into the target pulmonary artery (PA) bifurcation using realtime MRI guidance. A caval-pulmonary sheath introduced endografts. Balloon-expansion secured a proximal end-to-end caval anastomosis that also occluded the azygos, and a distal end-to-side pulmonary anastomosis that preserved blood flow to both branch pulmonary arteries.
Highlights
Children with single ventricle physiology require multiple open heart surgeries for palliation, including sternotomies and cardiopulmonary bypass
Transcatheter bidirectional Glenn shunt guided by real-time MRI
Post-procedural MRI and X-ray angiography showed patent Glenn shunts with bidirectional pulmonary artery blood flow
Summary
Children with single ventricle physiology require multiple open heart surgeries for palliation, including sternotomies and cardiopulmonary bypass. Transcatheter bidirectional Glenn shunt guided by real-time MRI Kanishka Ratnayaka*, Toby Rogers, William Schenke, Jonathan R Mazal, Marcus Y Chen, Merdim Sonmez, Michael Hansen, Ozgur Kocaturk, Anthony Z Faranesh, Robert J Lederman From 18th Annual SCMR Scientific Sessions Nice, France. Background Children with single ventricle physiology require multiple open heart surgeries for palliation, including sternotomies and cardiopulmonary bypass.
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