Direct Assessment of Wall Shear Stress by Signal Intensity Gradient from Time-of-Flight Magnetic Resonance Angiography
3D (a) and cross-sectional (b) views of wall shear stress (WSS) from computational fluid dynamics (CFD) and TOF-MRA SIG in carotid artery. A comparison (c) of TOF-MRA SIG with wall shear stress from CFD. Labels indicate the levels where CFD WSS and TOF-MRA SIG were obtained and compared. In each section, TOF-MRA SIG values were significantly correlated with CFD WSS (all , ).
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