Computational and Mathematical Methods in Medicine / 2016 / Article / Fig 9

Research Article

Computational Hemodynamic Analysis for the Diagnosis of Atherosclerotic Changes in Intracranial Aneurysms: A Proof-of-Concept Study Using 3 Cases Harboring Atherosclerotic and Nonatherosclerotic Aneurysms Simultaneously

Figure 9

((a)–(d)) Graphs showing the results of computational hemodynamic analysis in Case 2. The graph of the atherosclerotic aneurysm (AN5) is colored yellow. (a) Pulsatile flow rates of the internal carotid artery (volume, 305.2 (mL/min); heart rate, 67 (bpm); heart beat duration (T), 0.896 (s)). (b) Volume of inflow. (c) Mean flow velocity inside aneurysms. (d) The spatially averaged value and the maximum value of blood age over 5 cardiac cycles. ((e) and (f)) A surface (e) and a cutting plane (f) of the contour of blood age in AN5 at the time point shown in (d) (a black arrow). Streamlines are also shown in (f) to demonstrate vortex flow inside the aneurysm. Note that old blood was seen at the center of the vortex. WSS: wall shear stress.
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