CTICasesMycotic Pseudoaneurysm of the Ascending Aorta Treated with EndoAnchors
Imaging findings
Initial CT shows a mycotic pseudoaneurysm arising anteriorly from the ascending aorta. On fluoroscopic angiography after endograft placement, incomplete opposition of the proximal portion of the endograft to the aortic wall is seen as a distinct flapping motion, indicating a persistent endoleak. Following the deployment of EndoAnchors (Heli-FX helical endoscrews) through the endograft into the aortic media, the graft is securely apposed to the aortic wall, resolving the flapping motion and successfully treating the endoleak.
Key takeaways
The Heli-FX EndoAnchor system can be used to treat endoleaks resulting from incomplete endograft apposition by mechanically anchoring the stent-graft to the aortic wall. This helical screw system is designed to penetrate the aortic intima and media to secure the graft without fully perforating the adventitia.
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