Abstract

Thoracic endovascular aortic repairs (TEVAR) have become the procedure of choice for aneurysms of the descending thoracic aorta and type B aortic dissection since their approval by the US Food and Drug Administration in 2005. Coverage of the left subclavian artery (LSA) is commonly required when TEVAR is performed in zone 3 of the descending thoracic aorta to allow for an adequate proximal landing zone for the endograft. Practice guidelines from the Society for Vascular Surgery suggest routine revascularization following LSA coverage in several categories of patients.

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