Two-dimensional blood flow vector and wall shear stress of carotid artery obtained with dual-angle Doppler method

Osamu Akagawa, Kosuke Fukazu, Ryo Nagaoka, Yoshifumi Saijo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Biomechanical assessment of atherosclerosis has been mainly studied by tissue characterization and elasticity measurement of arterial wall in biomedical ultrasound. On the other hand, fluid shear stress on the artery is also known as an important factor to change vascular endothelium properties leading to atherosclerosis. Ultrasound is a suitable imaging modality to measure blood flow with high temporal resolution. However, conventional Doppler method merely measures the velocity component along the ultrasonic beam. In the present study, two-dimensional blood flow vectors in carotid artery are measured by dual-angle Doppler measurement and validation of the method is performed in comparison with particle image velocimetry. Further, wall shear stress is calculated by flow distribution in the carotid artery. The study contributes to understand the pathophysiology of atherosclerosis in a non-invasive manner.

Original languageEnglish
Title of host publication2016 IEEE International Ultrasonics Symposium, IUS 2016
PublisherIEEE Computer Society
ISBN (Electronic)9781467398978
DOIs
Publication statusPublished - 2016 Nov 1
Event2016 IEEE International Ultrasonics Symposium, IUS 2016 - Tours, France
Duration: 2016 Sep 182016 Sep 21

Publication series

NameIEEE International Ultrasonics Symposium, IUS
Volume2016-November
ISSN (Print)1948-5719
ISSN (Electronic)1948-5727

Other

Other2016 IEEE International Ultrasonics Symposium, IUS 2016
CountryFrance
CityTours
Period16/9/1816/9/21

Keywords

  • blood flow
  • carotid artery
  • two-dimensional vector
  • wall shear stress

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

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