The intermediate-term (24-month) results of the 30 patients in this multicenter study are concordant with previous single-center studies and support the concept that placement of fenestrated endovascular grafts is safe and effective at centers with experience in endovascular repair and renal/mesenteric stent placement.

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We developed a methodology to estimate invivo wall stress distribution for abdominal aortic aneurysm (AAA) on a patient-to-patient basis. Computed tomography (CT) scans were used to three-dimensionally reconstruct the in-situ geometry of intact AAA. The 3D models of 6 AAA and 1 non-aneurysmal control aorta were meshed with hyperelastic. quadrilateral shell elements with constant wall thickness, and the finite element method was used to compute wall stress distribution under systolic blood pressure.

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