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  • Title: Endovascular Repair of Thoracoabdominal and Arch Aneurysms in Patients with Connective Tissue Disease Using Branched and Fenestrated Devices.
    Author: Clough RE, Martin-Gonzalez T, Van Calster K, Hertault A, Spear R, Azzaoui R, Sobocinski J, Haulon S.
    Journal: Ann Vasc Surg; 2017 Oct; 44():158-163. PubMed ID: 28546044.
    Abstract:
    BACKGROUND: Prophylactic open surgery is the standard practice in patients with connective tissue and thoracoabdominal aortic aneurysm (TAAA) and aortic arch disease. Branched and fenestrated devices offer a less invasive alternative but there are concerns regarding the durability of the repair and the effect of the stent graft on the fragile aortic wall. The aim of this study is to evaluate mid-term outcomes of fenestrated and/or branched endografting in patients with connective tissue disease. METHODS: All patients with connective tissue disease who underwent TAAA or arch aneurysm repair using a fenestrated and/or branched endograft in a single, high-volume center between 2004 and 2015 were included. Ruptured aneurysms and acute aortic dissections were excluded from this study, but not chronic aortic dissections. RESULTS: In total, 427 (403 pararenal and TAAAs, and 24 arch aneurysms) endovascular interventions were performed during the study period. Of these, 17 patients (4%) (16 TAAAs, 1 arch) had connective tissue disease. All patients were classified as unfit for open repair. The mean age was 51 ± 8 years. Thirteen patients with TAAA were treated with a fenestrated, 1 with a branched, and 2 with a combined fenestrated/branch device. A double inner branch device was used to treat the arch aneurysm. The technical success rate was 100% with no incidence of early mortality, spinal cord ischemia, stroke, or further dissection. Postoperative deterioration in renal function was seen in 3 patients (18.8%) and no hemodialysis was required. The mean follow-up was 3.4 years (0.3-7.4). Aneurysm sac shrinkage was seen in 35% of patients (6/17) and the sac diameter remained stable in 65% of patients (11/17). No sac or sealing zone enlargement was observed in any of the patients and there were no conversions to open repair. Reintervention was required in 1 patient at 2 years for bilateral renal artery occlusion (successful fibrinolysis). One type II endoleak (lumbar) is under surveillance and 1 type III (left renal stent) sealed spontaneously. One patient died at 2 years after the procedure from nonaortic causes (endocarditis). CONCLUSIONS: The favorable mid-term outcomes in this series that demonstrate fenestrated and/or branched endografting should be considered in patients with connective tissue and TAAA and aortic arch disease, which are considered unfit for open surgery. All patients require close lifetime surveillance at a center specializing in aortic surgery, with sufficient experience in both open and endovascular aortic surgery, so that if endovascular treatment failure occurs it can be recognized early and further treatment offered.
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