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Non-gated Vessel Wall Imaging of the Internal Carotid Artery Using Radial Scanning and Fast Spin Echo Sequence: Evaluation of Vessel Signal Intensity by Flow Rate at 3.0 Tesla.
MedLine Citation:
PMID:  24256649     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Vessel wall imaging using radial scanning does not use a blood flow suppression pulse with gated acquisition. It has been proposed that there may not be a flow void effect if the flow rate is slow; however, this has yet to be empirically tested. To clarify the relationship between the signal intensity of the vessel lumen and the blood flow rate in a flow phantom, we investigated the usefulness of vessel wall imaging at 3.0 tesla (T). We measured the signal intensity while changing the flow rate in the flow phantom. Radial scanning at 1.5 T showed sufficient flow voids at above medium flow rates. There was no significant difference in lumen signal intensity at the carotid artery flow rate. The signal intensity of the vessel lumen decreased sufficiently using the radial scan method at 3.0 T. We thus obtained sufficient flow void effects at the carotid artery flow rate. We conclude this technique to be useful for evaluating plaque if high contrast can be maintained for fixed tissue (such as plaque) and the vessel lumen.
Authors:
Manami Nakamura; Takeshi Makabe; Masaki Ichikawa; Ryohei Hatakeyama; Hiroyuki Sugimori; Motomichi Sakata
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Nihon Hoshasen Gijutsu Gakkai zasshi     Volume:  69     ISSN:  0369-4305     ISO Abbreviation:  Nihon Hoshasen Gijutsu Gakkai Zasshi     Publication Date:  2013  
Date Detail:
Created Date:  2013-11-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7505722     Medline TA:  Nihon Hoshasen Gijutsu Gakkai Zasshi     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1261-1265     Citation Subset:  -    
Affiliation:
Central Division of Radiology, Hakodate Municipal Hospital.
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