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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
Delayed intimal blowout after endovascular repair of aortic dissection
Anirudh Mirakhur1, Jehangir J Appoo, William Kent
1Division of Interventional Radiology, Department of Diagnostic Imaging, Foothills Medical Centre, University of Calgary, 1403 29th St. NW, Room G29, Calgary, Alberta, Canada T2N 2T9.
Abstract:
The authors have seen four cases of asymptomatic delayed intimal injury adjacent to a stent graft diagnosed 7 to 16 months after thoracic endovascular aortic repair. Endovascular repeat intervention was successfully performed in three of the four cases as described in the present report. A second consecutive "intimal blowout" in one patient remains under close radiologic surveillance. Possible causes for the intimal blowouts, including stent-graft size, landing zone anatomy, and intrinsically weak aortic tissue, are discussed.
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