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Published on: March 28, 2025
Endovascular treatment of aortic arch aneurysms
G Melissano1, E Civilini, L Bertoglio
1Department of Vascular Surgery, Vita-Salute University, Scientific Institute H. San Raffaele, Milan, Italy. g.melissano@hsr.it
Introduction:
The aim of this study was to review our clinical experience with endovascular treatment of aortic arch aneurysms using different commercially available grafts (Gore, Talent, Endomed, Cook).
Methods:
From 1999 to 2004, 97 patients received endovascular treatment for diseases of the thoracic aorta. In 30 cases (26 males, 4 females) the aortic arch was involved. The left subclavian artery was overstented (Ishimaru zone '2') in 18 cases (60%). Only in the first three cases had the subclavian artery been revascularized. The left common and subclavian arteries were covered (zone '1') in 6 (20%) cases-all had the carotid artery reconstructed, either simultaneously (five cases) or as a staged procedure (one case). Finally, the whole aortic arch was over-stented (zone '0') in 6 (20%) cases, with simultaneous (five cases) or staged (one case) grafting of the supra-aortic vessels from the ascending aorta.
Results:
Perioperative mortality was 2/30 (7%), due to graft migration (zone '2') and intra-operative stroke (zone '0'), respectively. One minor stroke was observed. No cases of paraplegia were recorded. Three type I endoleaks were observed. Two resolved at 6 months follow-up; one zone '0' graft is still being followed. There was one surgical conversion for endograft failure 2 weeks after implantation. Thus, the technical success rate was 87% (26/30) cases. The mean follow-up time was 23+/-17 months. No new onset endoleaks or aneurysm-related deaths were recorded.
Conclusions:
Currently available grafts may be deployed in the aortic arch in most instances. De-branching of the aortic arch with surgical revascularization for zone '0' and '1' seems to be adequate to obtain a satisfactory proximal landing zone.
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