Aortic outflow occlusion predicts rupture of abdominal aortic aneurysm

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Presentation transcript:

Aortic outflow occlusion predicts rupture of abdominal aortic aneurysm Jeffrey D. Crawford, MD, Venkat Keshav Chivukula, PhD, Stephen Haller, BS, Nasibeh Vatankhah, MD, Colin J. Bohannan, BS, Gregory L. Moneta, MD, Sandra Rugonyi, PhD, Amir F. Azarbal, MD Journal of Vascular Surgery Volume 64, Issue 6, Pages 1623-1628 (December 2016) DOI: 10.1016/j.jvs.2016.03.454 Copyright © 2016 Terms and Conditions

Fig 1 Examples of aortic outflow occlusion (AOO). Journal of Vascular Surgery 2016 64, 1623-1628DOI: (10.1016/j.jvs.2016.03.454) Copyright © 2016 Terms and Conditions

Fig 2 Methodology for computational fluid dynamics (CFD) and finite element analysis (FEA) calculations with aortic bifurcation modeling. AOO, Aortic outflow occlusion; CTA, computed tomography angiography; DICOM, Digital Imaging and Communications in Medicine. Journal of Vascular Surgery 2016 64, 1623-1628DOI: (10.1016/j.jvs.2016.03.454) Copyright © 2016 Terms and Conditions

Fig 3 Mean abdominal aortic aneurysm (AAA) rupture diameter with and without aortic outflow occlusion (AOO). Mean diameter of ruptured AAA (rAAA) of patients with AOO was significantly lower than that of patients without AOO. Journal of Vascular Surgery 2016 64, 1623-1628DOI: (10.1016/j.jvs.2016.03.454) Copyright © 2016 Terms and Conditions

Fig 4 Wall stress obtained from simulations with and without aortic outflow occlusion (AOO). Peak wall stress (PWS) is listed below each case. rAAA, Ruptured abdominal aortic aneurysm. Journal of Vascular Surgery 2016 64, 1623-1628DOI: (10.1016/j.jvs.2016.03.454) Copyright © 2016 Terms and Conditions