CTICasesAortic dissection
Imaging findings
Post-operative CT of the chest shows an ascending aortic graft, a surgical graft in the arch, and a hybrid stent-graft extending into the proximal descending aorta (frozen elephant trunk) with a surgical fenestration/scallop at the left common carotid origin and a short stent at the left subclavian origin, in a patient who underwent acute Type A aortic dissection repair.
Key takeaways
The frozen elephant trunk (FET) technique is a hybrid procedure combining open surgery of the ascending aorta/arch with endovascular stenting of the proximal descending aorta during a single operation for acute Type A dissection. It aims to promote false lumen thrombosis in the descending aorta and prevent late aneurysmal degeneration.
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