CTICasesType A Aortic Dissection repaired with Frozen Elephant Trunk
Imaging findings
CT chest shows a type A aortic dissection (intramural hematoma and arch tear) with associated hemopericardium. Post-operative CT shows ascending aorta and arch reconstruction using a frozen elephant trunk (FET) graft and aortic valve replacement. A suture-off side-arm protrusion and axillary bypass graft stump are visible.
Key takeaways
The frozen elephant trunk (FET) procedure is an advanced surgical technique for repairing complex Type A dissections. It involves placing a hybrid stent graft in the arch to cover the entry tear and promote positive remodeling of the downstream descending aorta, avoiding late aneurysms.
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