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  • Title: Management of type B aortic dissection with an isolated left vertebral artery.
    Author: Ding H, Zhu Y, Wang H, Luo S, Liu Y, Huang W, Dong H, Xue L, Fan R, Luo J.
    Journal: J Vasc Surg; 2019 Oct; 70(4):1065-1071. PubMed ID: 30837179.
    Abstract:
    OBJECTIVE: The objective of this study was to report our single-center experience of thoracic endovascular aortic repair (TEVAR) and concomitant procedures in patients with type B aortic dissection (TBAD) with an isolated left vertebral artery (ILVA) and the early to midterm outcomes in these patients. METHODS: Between March 2011 and June 2018, there were 31 patients (27 men; median age, 55 years; range, 31-66 years) with TBAD and an ILVA who received TEVAR and concomitant procedures in our center. Demographics, coexisting medical conditions, imaging features, operation details, and follow-up outcomes in these patients were retrospectively collected and analyzed. RESULTS: All patients received aortic stent grafts; nine patients also received chimney stents, and 10 patients received aortic arch bypasses. The technical success rate was 96.8% (30/31), 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 (range, 2-90 months). Reintervention for a type II endoleak by using coils to seal the origin of the left subclavian artery was performed in one (3.1%) case 72 months postoperatively. One (3.2%) death occurred 42 months after operation as a result of rectal cancer. No neurologic deficits, chimney stent occlusions, or bypass occlusions were observed during the follow-up period. CONCLUSIONS: Our limited experience reveals that TEVAR and concomitant procedures are relatively safe and viable for treatment of TBAD with an ILVA. Further studies with larger samples of patients and longer follow-ups are needed to confirm these findings.
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