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TECHNICAL BRIEFS

Secondary Flow in the Human Common Carotid Artery Imaged by MR Angiography

[+] Author and Article Information
C. G. Caro, J. M. R. Graham, K. H. Parker

Centre for Biological and Medical Systems, Imperial College of Science, Technology, and Medicine, London, U.K.

C. L. Dumoulin, S. P. Souza

Medical Diagnostics Systems Branch, GE Research and Development, Schenectady, NY

J Biomech Eng 114(1), 147-149 (Feb 01, 1992) (3 pages) doi:10.1115/1.2895439 History: Received August 19, 1991; Online March 17, 2008

Abstract

The blood flow in arteries affects both the biology of the vessels and the development of atherosclerosis. The flow is three dimensional, unsteady, and difficult to measure or to model computationally. We have used phase-shift-based magnetic resonance angiography to image and measure the flow in the common carotid arteries of a healthy human subject. There was curvature of the vessels and thin-slice dynamic flow imaging showed evidence of the presence of secondary motions. Flexing the cervical spine straightened the vessels and reduced the asymmetry of the flow.

Copyright © 1992 by The American Society of Mechanical Engineers
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