It was reported in the literature article, management of type b aortic dissection with an isolated left vertebral artery, that 9 patients, out of the 31 mentioned, received a chimney stent.All patients received aortic stent grafts; nine patients also received chimney stents, and 10 patients received aortic arch bypasses.One patient received a complete se stent and two received a maris stent.The technical success rate was 96.8%, with only one patient (3.2%) showing immediate type ia endoleak.One patient experienced transient neurologic deficit, and a puncture-related femoral artery pseudoaneurysm was observed in one patient; both recovered completely before their hospital discharge.There was no death in the early term.The median duration of follow-up was 33 months.Reintervention for a type ii endoleak by using coils to seal the origin of the left subclavian artery was performed in one case 72 months postoperatively.One death occurred 42 months after operation as a result of rectal cancer.Thirteen patients received a valiant thoracic aortic stent graft.No neurologic deficits, chimney stent occlusions, or bypass occlusions were observed during the follow-up period.
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