Three-dimensional color Doppler imaging of the carotid artery

Paul A. Picot; Daniel W. Rickey; Ross Mitchell; Richard N. Rankin M.D.; Aaron Fenster

doi:10.1117/12.45172

1 May 1991 Three-dimensional color Doppler imaging of the carotid artery

Paul A. Picot, Daniel W. Rickey, Ross Mitchell, Richard N. Rankin M.D., Aaron Fenster

Proceedings Volume 1444, Medical Imaging V: Image Capture, Formatting, and Display; (1991) https://doi.org/10.1117/12.45172
Event: Medical Imaging '91, 1991, San Jose, CA, United States

Abstract

Stroke is the third leading cause of death in the United States. It is caused by ischemic injury to the brain, usually resulting from emboli from atherosclerotic plaques. The carotid bifurcation in humans is prone to atherosclerotic disease and is a site where emboli may originate. Currently, carotid stenoses are evaluated by non-invasive duplex Doppler ultrasound, with preoperative verification by intra-arterial angiography. We have developed a system that uses a color Doppler ultrasound imaging system to acquire in-vivo 3-D color Doppler images of the human carotid artery, with the aim of increasing the diagnostic accuracy of ultrasound and decreasing the use of angiography for verification. A clinical TL Ultramark 9 color Doppler ultrasound system was modified by mounting the hand-held ultrasound scan head on a motor-driven translation stage. The stage allows planar ultrasound images to be acquired over 45 mm along the neck between the clavicle and the mandible. A 3- D image is acquired by digitizing, in synchrony with the cardiac cycle, successive color ultrasound video images as the scan head is stepped along the neck. A complete volume set of 64 frames, comprising some 15 megabytes of data, requires approximately 2 minutes to acquire. The volume image is reformatted and displayed on a Sun 4/360 workstation equipped with a TAAC-1 graphics accelerator. The 3-D image may be manipulated in real time to yield the best view of blood flow in the bifurcation.

Citation Download Citation

Paul A. Picot, Daniel W. Rickey, Ross Mitchell, Richard N. Rankin M.D., and Aaron Fenster "Three-dimensional color Doppler imaging of the carotid artery", Proc. SPIE 1444, Medical Imaging V: Image Capture, Formatting, and Display, (1 May 1991); https://doi.org/10.1117/12.45172

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