Mehrdad Ghoreishi1, Aakash Shah2, Jean Jeudy3, Chetan Pasrija2, Joshua Lebowitz2, David Kaczorowski2, Anuj Gupta4, Shahab Toursavadkohi5, Bradley S Taylor2. 1. Division of Cardiac Surgery, University of Maryland School of Medicine, Baltimore, Maryland. Electronic address: mghoreishi@som.umaryland.edu. 2. Division of Cardiac Surgery, University of Maryland School of Medicine, Baltimore, Maryland. 3. Department of Diagnostic Radiology, Thoracic Imaging, University of Maryland School of Medicine, Baltimore, Maryland. 4. Division of Vascular Surgery, University of Maryland School of Medicine, Baltimore, Maryland. 5. Division of Interventional Cardiology, University of Maryland School of Medicine, Baltimore, Maryland.
Abstract
BACKGROUND: Up to 30% of patients presenting with ascending aortic disease are deemed inoperable. Ascending aortic endovascular repair provides an alternative option for these patients. METHODS: From 2018 to 2019, 13 patients who were considered to have prohibitive risk for open ascending aortic repair underwent endovascular repair. Aortic disease included type A dissection (n = 8), pseudoaneurysm (n = 3), penetrating ulcer (n = 3), and chronic aortic aneurysm (n = 1). Ascending aortic stent placement with thoracic endovascular aortic repair was performed in 9 patients, endovascular cuff extension was inserted in 3, and in 1 patient endovascular coil embolization was undertaken. Preoperative and follow-up electrocardiogram-gated computed tomographic analysis was performed to compare the remodeling effect of the stent on the aorta. The median follow-up time was 13 months. RESULTS: The stent graft was successfully implanted in all patients (100%). Operative mortality and stroke rate were 15% (2 of 13) and 8% (1 of 13), respectively. One patient required transcatheter aortic valve replacement for severe aortic insufficiency 5 months after ascending thoracic endovascular aortic repair. The location of the aortic pathologic process was in zone 0A in 2 patients, zone 0B in 7 patients, and zone 0C in 3 patients. No endoleak was observed after the ascending endovascular repair in 9 patients (70%). Follow-up computed tomographic scan analysis revealed a tendency of favorable aortic remodeling in the mid-ascending and descending aorta. CONCLUSIONS: Ascending aortic stent placement for ascending aortic disease is feasible and is associated with favorable aortic remodeling. Despite persistent perfusion to the false lumen in a subset of patients, there is minimal aortic dilation at short-term follow-up with excellent survival.
BACKGROUND: Up to 30% of patients presenting with ascending aortic disease are deemed inoperable. Ascending aortic endovascular repair provides an alternative option for these patients. METHODS: From 2018 to 2019, 13 patients who were considered to have prohibitive risk for open ascending aortic repair underwent endovascular repair. Aortic disease included type A dissection (n = 8), pseudoaneurysm (n = 3), penetrating ulcer (n = 3), and chronic aortic aneurysm (n = 1). Ascending aortic stent placement with thoracic endovascular aortic repair was performed in 9 patients, endovascular cuff extension was inserted in 3, and in 1 patient endovascular coil embolization was undertaken. Preoperative and follow-up electrocardiogram-gated computed tomographic analysis was performed to compare the remodeling effect of the stent on the aorta. The median follow-up time was 13 months. RESULTS: The stent graft was successfully implanted in all patients (100%). Operative mortality and stroke rate were 15% (2 of 13) and 8% (1 of 13), respectively. One patient required transcatheter aortic valve replacement for severe aortic insufficiency 5 months after ascending thoracic endovascular aortic repair. The location of the aortic pathologic process was in zone 0A in 2 patients, zone 0B in 7 patients, and zone 0C in 3 patients. No endoleak was observed after the ascending endovascular repair in 9 patients (70%). Follow-up computed tomographic scan analysis revealed a tendency of favorable aortic remodeling in the mid-ascending and descending aorta. CONCLUSIONS: Ascending aortic stent placement for ascending aortic disease is feasible and is associated with favorable aortic remodeling. Despite persistent perfusion to the false lumen in a subset of patients, there is minimal aortic dilation at short-term follow-up with excellent survival.
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