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Erschienen in:
2018 | OriginalPaper | Buchkapitel
Impact of Gradual Vascular Deformations on the Intra-aneurysmal Hemodynamics
verfasst von : Samuel Voß, Patrick Saalfeld, Sylvia Saalfeld, Oliver Beuing, Gabor Janiga, Bernhard Preim
Erschienen in: Bildverarbeitung für die Medizin 2018
Verlag: Springer Berlin Heidelberg
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The treatment of intracranial aneurysms based on stentassisted coiling often leads to local vascular deformations. Patient-specific data of an aneurysm in the pre interventional and follow-up state is used to interpolate intermediate vessel-aneurysm configurations. Computational Fluid Dynamics simulations are performed in order to quantify the effect of vessel deformation on the blood flow. Results reveal gradual changes in the blood flow patterns shifting the load on the aneurysm wall from the dome to the neck region. Based on this novel concept, it is possible to virtually evaluate how different types of stents can improve or impair the treatment goal of reducing the intra-aneurysmal blood flow.