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  • Title: Fenestrated and Scalloped Endovascular Grafts in Zone 0 and Zone 1 for Aortic Arch Disease.
    Author: Fernández-Alonso L, Fernández Alonso S, Martínez Aguilar E, Santamarta Fariña E, Alegret Solé J, Atienza Pascual M, López San Martín M, Sánchez Rodríguez JM, Alvarez A, Centeno Vallepuga R.
    Journal: Ann Vasc Surg; 2020 Nov; 69():360-365. PubMed ID: 32554200.
    Abstract:
    BACKGROUND: The aim of this study is to present midterm results of thoracic endovascular aortic repair (TEVAR) using scalloped or fenestrated custom-made endovascular grafts (CMEGs) in aortic arch Zones 0 and 1. METHODS: A retrospective review of prospectively collected data involving consecutive patients with aortic arch disease treated by scalloped or fenestrated Relay Plus stent grafts (Terumo Aortic, Sunrise, FL) landed in Zones 0 and 1. Patient demographics, operative details, clinical outcomes, and complications were analyzed. RESULTS: Between February 2014 and February 2020, 14 patients (9 male and 5 female) with a median age of 66 years (range 48-84) underwent scalloped or fenestrated TEVAR to preserve flow to the supra-aortic trunks (SATs). In 6 cases the landing zone was Zone 0 and in 8, Zone 1. Target vessels for the scallops were left common carotid artery in 8 cases (Zone 1) and innominate artery (IA) in 1 (Zone 0). All 5 fenestrations were designed to preserve the IA (Zone 0). Technical success was 100% with no endoleaks on completion angiography. One fatal perioperative stroke (7%) occurred in a patient with a fenestration for the IA and atherosclerotic plaques in the arch. During median follow-up of 37.5 (3-72) months, no other patient died, and all the target vessels and cervical revascularizations remained patent. There was no paraplegia, no retrograde dissection, and no other complication. Two patients (14%) with scallops in Zone 1 developed late endoleak: 1 type Ib at 6 months and 1 type Ia endoleak at 12 months. There were no endoleaks at all in the group of fenestrated endografts (Zone 0). CONCLUSIONS: When anatomy allows, endovascular treatment using scalloped or fenestrated CMEGs in Zones 0 and 1 is a feasible technique to treat patients with aortic arch disease involving the SATs.
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