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  • Title: Endovascular repair of thoracoabdominal aortic aneurysms with a novel multibranch stent-graft design: preliminary experience.
    Author: Kinstner C, Teufelsbauer H, Neumayer C, Domenig C, Wressnegger A, Wolf F, Funovics M.
    Journal: J Cardiovasc Surg (Torino); 2014 Aug; 55(4):543-50. PubMed ID: 25008061.
    Abstract:
    AIM: The aim of this paper was to report our preliminary experience in outcome, safety and mid-term results in the treatment of thoracoabdominal aortic aneurysms (TAAA) with a novel multibranchstentgraft (E-xtra DESIGN ENGINEERING, JOTEC, Germany). METHODS: Eight patients (mean age 66 years, 2 female) with TAAA (Crawford type I: 2 cases, type III: 3 cases, type IV: 3 cases), mean aneurysm diameter 61 mm, growth over 5 mm per year were treated. Implantation was performed under general anesthesia and surgical exposition of the common femoral artery. Brachial access was percutaneous in 5/8 patients. Balloon-expandable (Advanta V12) bridging stent-grafts were employed and lined with self-expanding nitinol stents. All patients except type IV TAAA received a spinal drainage catheter. RESULTS: The device was successfully deployed in 8/8 patients. 29/32 visceral branches were engaged. One stenosed celiac trunk was left untreated without further consequences, two renal arteries which could not be cannulated were revascularized with iliorenal bypass. One patient needed surgical revision of groin hematoma, one patient suffered from permanent protopathic sensory deficit. No renal complications occurred. Since the primary implantation was deliberately kept short and amount of contrast agent was minimised, four patients needed a secondary percutaneous procedure (Palmaz stent implantation for type I endoleak, re-PTA or additional bridging stent-graft implantation for type III endoleak). The assisted primary success rate was 8/8. Mean follow-up was 18 months. Success was stable in 7/8 patients, one patient shows type V endoleak with 5mm sac expansion. No mortality or complication occurred during follow-up. CONCLUSION: The JOTEC E-xtra DESIGN ENGINEERING multibranch stent-graft is a promising new candidate for endovascular TAAA treatment with sufficient safety and efficacy. Its short delivery time suggests its use in patients with rapid aneurysm growth or high anxiety.
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