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BY-NC-ND 4.0 license Open Access Published by De Gruyter September 7, 2017

Variability of intra-aneurysmal hemodynamics caused by stent-induced vessel deformation

  • Samuel Voß EMAIL logo , Philipp Berg , Gabor Janiga , Martin Skalej and Oliver Beuing

Abstract

Clinical observation revealed deformations of the local vasculature due to implanted devices related to treatment of intracranial aneurysms. Pre- and post-interventional image data is reviewed and segmented. Based on Computational Fluid Dynamics (CFD) the effect of the vessel deformation on the intra-aneurysmal hemodynamics is investigated. The simulations incorporate the vessel trees with aneurysm excluding the device itself in order to consider the isolated effect of geometric modifications. As a result, the aneurysm inflow jet is redirected, changing the local flow quantities. Finally, a neck inflow rate reduction of 52.5 % is archived. Thus, a targeted vessel straightening as a novel tool for treatment planning appear to be an idea worth to discuss in the community.

Published Online: 2017-09-07

©2017 Samuel Voß et al., published by De Gruyter

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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