We herein report a case of thoracic endovascular aortic repair( TEVAR) for chronic aortic dissection with an aberrant left vertebral artery( LVA) originating from the aortic arch. A 51-year-old man with a medical history of Stanford type B acute aortic dissection 2 years ago was transferred to our institution for the treatment of an aortic expansion. Computed tomography showed a large entry just distal to the takeoff of the left subclavian artery and a dilated dissected thoracic aorta. A left cervical incision over the anterior border of the sternocleidomastoid was made, and the LVA was identified. The proximal LVA was ligated and anastomosed to the left common carotid artery in an end-to-side fashion. After completion of the carotid-subclavian bypass, TEVAR was performed in the usual fashion. The postoperative course was uneventful without stroke or spinal cord injury. At the 1-year follow-up, the false lumen had shrunk and the LVA remained patent.
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