NDLI: Comparison of Hemodynamic Visualization in Cerebral Arteries: Can Magnetic Resonance Imaging Replace Computational Fluid Dynamics?

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Comparison of Hemodynamic Visualization in Cerebral Arteries: Can Magnetic Resonance Imaging Replace Computational Fluid Dynamics?

Content Provider	MDPI
Author	Ngo, Minh Lee, Ui Ha, Hojin Jin, Ning Chung, Gyung Kwak, Yeong Jung, Jinmu Kwak, Hyo
Copyright Year	2021
Description	A multimodality approach was applied using four-dimensional flow magnetic resonance imaging (4D flow MRI), time-of-flight magnetic resonance angiography (TOF-MRA) signal intensity gradient (SIG), and computational fluid dynamics (CFD) to investigate the 3D blood flow characteristics and wall shear stress (WSS) of the cerebral arteries. TOF-MRA and 4D flow MRI were performed on the major cerebral arteries in 16 healthy volunteers (mean age 34.7 ± 7.6 years). The flow rate measured with 4D flow MRI in the internal carotid artery, middle cerebral artery, and anterior cerebral artery were 3.8, 2.5, and 1.2 mL/s, respectively. The 3D blood flow pattern obtained through CFD and 4D flow MRI on the cerebral arteries showed reasonable consensus. CFD delivered much greater resolution than 4D flow MRI. TOF-MRA SIG and CFD WSS of the major cerebral arteries showed reasonable consensus with the locations where the WSS was relatively high. However, the visualizations were very different between TOF-MRA SIG and CFD WSS at the internal carotid artery bifurcations, the anterior cerebral arteries, and the anterior communicating arteries. 4D flow MRI, TOF-MRA SIG, and CFD are complementary methods that can provide additional insight into the hemodynamics of the human cerebral artery.
Starting Page	253
e-ISSN	20754426
DOI	10.3390/jpm11040253
Journal	Journal of Personalized Medicine
Issue Number	4
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-03-30
Access Restriction	Open
Subject Keyword	Journal of Personalized Medicine Hematology Hemodynamics Visualization Cerebral Arteries Four-dimensional Flow Magnetic Resonance Imaging (4d Flow Mri) Signal Intensity Gradient From Time-of-flight Magnetic Resonance Angiography (tof-mra Sig) Computational Fluid Dynamics (cfd)
Content Type	Text
Resource Type	Article

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