3-D ultrasonic imaging of the structure and elasticity of the carotid bifurcation

J. R. Jackson, P. J. Benkeser, Fenwick T Nichols

Research output: Contribution to journalConference article

Abstract

The long-term goal of this work is to develop an ultrasound technique that produces a 3-D image of the structure and elasticity of the cervical common carotid artery and its bifurcation, allowing the quantitative measurement of the volume, structure and composition of atherosclerotic plaque at or near the bifurcation. An Acuson 128 imaging system was used to obtain time-gated B-mode images of the carotid in vivo. The motion of the vessel wall due to the changing blood pressure during a cardiac cycle was quantified and used to compute an estimate of the tissue elasticity distribution over each 2-D image plane. The tissue motion direction and amplitude was determined by a 2-D interframe block matching technique performed on a sequence of frames acquired at 18 frames per second. The transducer was moved linearly along the axis of the common carotid in 2mm increments to collect the set of slices used to form the 3-D image. Volumetric images of the phantom have been made. Elasticity measurements indicate that the tissue motion appears to be an adequate measure for the determination of relative elasticity distributions.

Original languageEnglish (US)
Pages (from-to)1419-1422
Number of pages4
JournalProceedings of the IEEE Ultrasonics Symposium
Volume2
StatePublished - Dec 1 1995
Externally publishedYes
EventProceedings of the 1995 IEEE Ultrasonics Symposium. Part 1 (of 2) - Seattle, WA, USA
Duration: Nov 7 1995Nov 10 1995

Fingerprint

elastic properties
ultrasonics
blood pressure
arteries
vessels
transducers
cycles
estimates

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

3-D ultrasonic imaging of the structure and elasticity of the carotid bifurcation. / Jackson, J. R.; Benkeser, P. J.; Nichols, Fenwick T.

In: Proceedings of the IEEE Ultrasonics Symposium, Vol. 2, 01.12.1995, p. 1419-1422.

Research output: Contribution to journalConference article

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