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Quantification of Cerebral Artery Motion during the Cardiac Cycle

Quantification of Cerebral Artery Motion during the Cardiac Cycle SUMMARY: This is the first report of success in numerically quantifying and visualizing cardiac cycle−related intracranial vessel motion and pulse waves in human subjects by using 320-detector CTA and a newly developed motion-detection algorithm to better understand the physiologies of intracranial arteries. This new technique promises to provide significant novel information for analyzing the elasticity of cerebral vessels and should be incorporated in the analysis of vessel fluid dynamics. ABBREVIATIONS Acom anterior communicating artery BA basilar artery bpm beats per minute CORE voxels with a value of 10 CTA CT angiography FOV field of view HALO surrounding voxels with values ranging from 1 to 9 HR heart rate ICA internal carotid artery Lt left MCA middle cerebral artery MRA MR angiography PCA posterior cerebral artery Rt right VOI voxels of interest http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Neuroradiology American Journal of Neuroradiology

Quantification of Cerebral Artery Motion during the Cardiac Cycle

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Publisher
American Journal of Neuroradiology
Copyright
Copyright © 2011 by the American Society of Neuroradiology.
ISSN
0195-6108
eISSN
1936-959X
DOI
10.3174/ajnr.A2354
pmid
21349962
Publisher site
See Article on Publisher Site

Abstract

SUMMARY: This is the first report of success in numerically quantifying and visualizing cardiac cycle−related intracranial vessel motion and pulse waves in human subjects by using 320-detector CTA and a newly developed motion-detection algorithm to better understand the physiologies of intracranial arteries. This new technique promises to provide significant novel information for analyzing the elasticity of cerebral vessels and should be incorporated in the analysis of vessel fluid dynamics. ABBREVIATIONS Acom anterior communicating artery BA basilar artery bpm beats per minute CORE voxels with a value of 10 CTA CT angiography FOV field of view HALO surrounding voxels with values ranging from 1 to 9 HR heart rate ICA internal carotid artery Lt left MCA middle cerebral artery MRA MR angiography PCA posterior cerebral artery Rt right VOI voxels of interest

Journal

American Journal of NeuroradiologyAmerican Journal of Neuroradiology

Published: Dec 1, 2011

References