Computational Simulations to Predict Fenestrated Stent Graft Rotation on Deployment
نویسندگان
چکیده
منابع مشابه
Infolding of fenestrated endovascular stent graft
We report a case of infolding of a fenestrated stent graft involving the visceral vessel segment after a juxtarenal abdominal aorta aneurysm repair. The patient remains free of any significant endoleak, and the aortic sac has shown regression. The patient remains asymptomatic, with no abdominal pain, with normal renal function, and without ischemic limb complications. We hypothesize that signif...
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Fenestrated endovascular aneurysm repair is a minimally invasive method to treat abdominal aortic aneurysms. Stent grafts used in this process contain fenestrations that need to be aligned with the visceral arteries; however, fenestration misalignment (rotation) is a common occurrence and can result in severe complications. The objective of this work is to develop a finite element model of the ...
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OBJECTIVES The Anaconda fenestrated stent graft (Vascutek, Inchinnan, United Kingdom) is a new device that can easily be repositioned during deployment. This study evaluated its feasibility for treating abdominal aortic aneurysms with inadequate infrarenal sealing zones. METHODS Patients undergoing stent graft placement at two institutions in the United Kingdom were recruited. RESULTS A tot...
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OBJECTIVE We wanted to investigate the hemodynamic effect of fenestrated stents on the renal arteries with using a fluid structure interaction method. MATERIALS AND METHODS Two representative patients who each had abdominal aortic aneurysm that was treated with fenestrated stent grafts were selected for the study. 3D realistic aorta models for the main artery branches and aneurysm were genera...
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M anagement of superficial femoral artery (SFA) occlusive disease remains one of the great challenges for peripheral endovascular therapy. Failure of percutaneous balloon angioplasty as a result of residual luminal narrowing or dissection is a frequent occurrence, especially in patients with calcified lesions, long stenoses, or occlusions.1 The implantation of nitinol stents for treatment of va...
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ژورنال
عنوان ژورنال: Journal of Vascular Surgery
سال: 2017
ISSN: 0741-5214
DOI: 10.1016/j.jvs.2017.07.045