Wall Shear Stress Estimation for 4D Flow MRI Using Navier–Stokes Equation Correction

This study introduces a novel wall shear stress (WSS) estimation method for 4D flow MRI. The method improves the WSS accuracy by using the reconstructed pressure gradient and the flow-physics constraints to correct velocity gradient estimation. The method was tested on synthetic 4D flow data of anal...

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Veröffentlicht in:	Annals of biomedical engineering 2022-12, Vol.50 (12), p.1810-1825
Hauptverfasser:	Zhang, Jiacheng, Rothenberger, Sean M., Brindise, Melissa C., Markl, Michael, Rayz, Vitaliy L., Vlachos, Pavlos P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Aneurysm Aneurysms Aorta Aorta - diagnostic imaging Biochemistry Biological and Medical Physics Biomedical and Life Sciences Biomedical Engineering and Bioengineering Biomedicine Biophysics Blood Flow Velocity Blood vessels Cardiovascular diseases Classical Mechanics Data acquisition Hemodynamics Humans In vivo methods and tests Intracranial Aneurysm - diagnostic imaging Magnetic resonance imaging Magnetic Resonance Imaging - methods Navier-Stokes equations Original Article Shear stress Spatial discrimination Spatial resolution Stress, Mechanical Velocity Velocity distribution Velocity gradient Wall shear stresses
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