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The Journal of Cardiovascular Surgery 2012 December;53(6):773-6

Copyright © 2012 EDIZIONI MINERVA MEDICA

lingua: Inglese

Novel chimney-graft technique for preserving hypogastric flow in complex aortoiliac aneurysms

Heckenkamp J. 1, Brunkwall J. 2, Luebke T. 2, Aleksic M. 3, Schöndube F. 4, Stojanovic T. 4

1 Department of Vascular Surgery, Niels-Stensen-Hospital, Osnabrueck, Germany; 2 Department of Vascular Surgery, University of Cologne, Cologne, Germany; 3 Division of Vascular Surgery, Medical Center, Cologne-Merheim, University of Witten/Herdecke, Cologne, Germany; 4 Department of Thoracic and Cardiovascular Surgery, University of Goettingen, Goettingen, Germany


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We describe the feasibility and result of a novel approach to preserve pelvic perfusion during endovascular aortoiliac aneurysm repair (EVAR) in patients with aortoiliac aneurysms extending to the iliac bifurcation. The iliac chimney-graft technique consists of the deployment of a ViaBahn™ graft into the hypogastric artery in combination with standard abdominal aortic stent-grafts. The chimney graft was deployed using a transsubclavian access and placed parallel with the iliac limb into the standard aortic stent graft, which was deployed directly before. The technical procedure was successful. Postoperative control showed a sufficiently excluded aneurysm without evidence of endoleak and good distal perfusion of both iliac arteries. The CT-scan after 6 months confirmed the result. The chimney-graft stent grafts to maintain perfusion to hypogastric arteries are feasible and provide an alternative to hypogastric artery exclusion or branched grafts. Long-term follow-up is needed to evaluate stent-graft patency and failure rates.

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