Evaluation of cross-beam vector Doppler ultrasound systems for accurate 3-D velocity measurements

Author

Hussain, Babar ; Wong, Emily Y. ; Yiu, Billy Y. S. ; Yu, Alfred C. H. ; Poepping, Tamie L.

Author_Institution

Dept. of Phys. & Astron., Univ. of Western Ontario, London, ON, Canada

fYear

2012

fDate

7-10 Oct. 2012

Firstpage

326

Lastpage

329

Abstract

Vector Doppler ultrasound (VDUS) systems offer the potential for improved accuracy in mapping of complex flow parameters, such as recirculation, turbulence, and shear stress which are probable risk factors leading to vascular disease and stroke. Cross-beam VDUS systems were evaluated for velocity accuracy to optimize the number of receivers for the inter-beam angle, wall filter, system orientation, and complexity of flow seen in a stenosed carotid artery. Preliminary results for velocity estimation show promise for validation of numerical results.

Keywords

Doppler effect; biomedical ultrasonics; blood vessels; diseases; haemodynamics; velocity measurement; 3D velocity measurements; cross-beam VDUS systems; cross-beam vector Doppler ultrasound systems; flow complexity; flow parameters; interbeam angle; stenosed carotid artery; stroke; system orientation; vascular disease; velocity estimation; wall filter; Carotid arteries; Computational fluid dynamics; Doppler effect; Estimation; Receivers; Ultrasonic imaging; Vectors; blood velocity; carotid artery; hemodynamics; vector Doppler ultrasound;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultrasonics Symposium (IUS), 2012 IEEE International

Conference_Location

Dresden

ISSN

1948-5719

Print_ISBN

978-1-4673-4561-3

Type

conf

DOI

10.1109/ULTSYM.2012.0080

Filename

6562548