Abstract
To report the outcomes of thoracic endovascular aortic repair (TEVAR) for shaggy thoracic aortic aneurysms (STA). It is a single center, retrospective, observational, cohort study. Data were collected prospectively between January 2005 and May 2019. STA was defined, based on computed tomography angiography findings, as the presence of an irregular/ulcerated atheroma protruding and/or thrombus thickness ≥ 5mm protruding into the aortic lumen, and/or occupying more than two thirds of the circumference of the aortic diameter axially. Primary outcomes were early (≤ 30days) and late survival and freedom from major complication due to end-organ or peripheral ischemic embolization. Nine (2.3%) of 391 patients met the inclusion criteria. Mean age was 71years ± 10 (range 55-83). Mean aneurysm diameter was 68mm ± 0.5 (range 60-75). Four patients presented symptomatic: rupture (n = 2), blue toe syndrome (n = 2). TEVAR was performed in 7 of the 9 patients. Operative-related embolization occurred in 1 patient (transient ischemic attack and acute kidney injury). In-hospital mortality was observed in 1 patient following spinal cord ischemia and multiple organ failure development. Median follow-up was 48months (IQR 5-84). Freedom from major complication due to end-organ or peripheral ischemic embolization was achieved in all patients. No patient developed further localization of STA in the proximal or distal aorta, and did not experience reno-visceral or peripheral atheroembolization episodes. Risk of atheroembolism in STA is still threatening but TEVAR proved to be an effective and durable treatment in this high-risk cohort.
Published Version
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