CTICasesBentall Graft Infection with Dehiscence
Imaging findings
CT angiography shows severe dilation of the aortic root with dehiscence of a bioprosthetic valve and Bentall graft from the aortic annulus, resulting in a large paravalvular leak. Extensive fluid and shaggy enhancement surround the ascending aortic graft, tracking into the anterior mediastinum and the sternotomy site.
Key takeaways
Bentall graft infection is a catastrophic complication of aortic root reconstruction. It is characterized by paravalvular fluid, phlegmon, and dehiscence of the graft, which can lead to pseudoaneurysm formation or free rupture. Management requires urgent re-operation, which carries a very high mortality rate.
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