Ultrasonic imaging is widely applied for visualization of blood flow using different imaging modalities. However, due to the inherent physical limitations of the ultrasonic imaging process, the actual flow dynamics and the information embedded in the ultrasound image do not necessarily strictly correspond. Computational fluid dynamics (CFD) can play an important role in interpreting and improving ultrasound imaging via numerical simulation of ultrasound images. For this purpose, CFD velocity data can be directly processed to mimic ultrasonic images (1st order approach) or can be further coupled to ultrasound simulation software, providing a fully coupled approach. We compared both methods for the clinically relevant case of color flow imaging of the carotid artery. We conclude that for this application, the 1st order approach leads to results lacking indispensable properties of the imaging process, i.e., (i) the imaging dynamics, and (ii) the statistical properties of the ultrasonic velocity estimator.
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ASME 2009 Summer Bioengineering Conference
June 17–21, 2009
Lake Tahoe, California, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
978-0-7918-4891-3
PROCEEDINGS PAPER
Numerical Simulation of Ultrasonic Color Blood Flow Imaging in the Carotid Artery: Comparing a 1st Order and Fully Coupled Approach Available to Purchase
Abigail Swillens,
Abigail Swillens
Ghent University, Ghent, Belgium
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Lasse Løvstakken,
Lasse Løvstakken
NTNU, Trondheim, Norway
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Thomas De Schryver,
Thomas De Schryver
Ghent University, Ghent, Belgium
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Patrick Segers
Patrick Segers
Ghent University, Ghent, Belgium
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Abigail Swillens
Ghent University, Ghent, Belgium
Lasse Løvstakken
NTNU, Trondheim, Norway
Thomas De Schryver
Ghent University, Ghent, Belgium
Hans Torp
NTNU, Trondheim, Norway
Patrick Segers
Ghent University, Ghent, Belgium
Paper No:
SBC2009-206142, pp. 1015-1016; 2 pages
Published Online:
July 19, 2013
Citation
Swillens, A, Løvstakken, L, De Schryver, T, Torp, H, & Segers, P. "Numerical Simulation of Ultrasonic Color Blood Flow Imaging in the Carotid Artery: Comparing a 1st Order and Fully Coupled Approach." Proceedings of the ASME 2009 Summer Bioengineering Conference. ASME 2009 Summer Bioengineering Conference, Parts A and B. Lake Tahoe, California, USA. June 17–21, 2009. pp. 1015-1016. ASME. https://doi.org/10.1115/SBC2009-206142
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