Total Endovascular Aortic arch Replacement with Chimney/Sandwich Techniques.

Traditional open total zone 0 replacement of the aortic arch is one of the most complex, challenging, and demanding operative procedures in cardiovascular surgery, associated with significant morbidity (30-40%) and mortality (8-20%). Total endovascular zone 0 replacement of the aortic arch with chimney/sandwich techniques as described by Lobato and Camacho-Lobato is a feasible, less invasive, less demanding, and time-consuming option to hybrid and/or traditional open replacement of the aortic arch, particularly in the urgent/emergent settings. We are reporting a case of a 49-year-old patient with chronic type B aortic dissection complicated with descending thoracic aortic aneurysm and an unsuccessful zone 3 thoracic endovascular aortic repair, complicated with type Ia endoleak. He presented with an enlarging and symptomatic descending thoracic aortic aneurysm. An extended proximal (to the zone 0) and distal thoracic endovascular aortic repair was performed to ensure appropriate proximal and distal landing zones (C-TAG). Left subclavian artery endorevascularization was undertaken with periscope sandwich technique (Viabahn), while brachiocephalic trunk and left carotid artery endorevascularizations were carried on with the chimney graft technique (Viabahn). The procedure was uneventful and the one-month and one-year follow-up angio-computed tomography revealed no endoleaks, patency of all branches, and exclusion of the aneurysm.

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