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KMID : 1103720140710060304
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Journal of the Korean Society of Radiology
2014 Volume.71 No. 6 p.304 ~ p.309
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Computational Fluid Dynamics in Three Dimensional Angiography: Preliminary Hemodynamic Results of Various Proximal Geometry
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Kim Ha-Youn
Park Sung-Tae
Bae Won-Kyung
Goo Dong-Erk
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Abstract
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We studied the influence of proximal geometry on the results of computational fluid dynamics (CFD). We made five models of different proximal geometry from three dimensional angiography of 63-year-old women with intracranial aneurysm. CFD results were analyzed as peak systolic velocity (PSV) at inlet and outlet as well as flow velocity profile at proximal level of internal carotid artery (ICA) aneurysm. Modified model of cavernous one with proximal tubing showed faster PSV at outlet than that at inlet. The PSV of outlets of other models were slower than that of inlets. The flow velocity profiles at immediate proximal to ICA aneurysm showed similar patterns in all models, suggesting that proximal vessel geometries could affect CFD results.
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KEYWORD
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Computational Fluid Dynamics, Internal Carotid Artery Aneurysm, Peak Systolic Velocity
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