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An optimized design to reduce eddy current sensitivity in velocity-selective arterial spin labeling using symmetric BIR-8 pulses.

Abstract:

PURPOSE: Velocity-selective arterial spin labeling (VSASL) tags arterial blood on a velocity-selective (VS) basis and eliminates the tagging/imaging gap and associated transit delay sensitivity observed in other ASL tagging methods. However, the flow-weighting gradient pulses in VS tag preparation can generate eddy currents (ECs), which may erroneously tag the static tissue and create artificial perfusion signal, compromising the accuracy of perfusion quantification. METHODS: A novel VS prepa...

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Publication status:
Published

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Publisher copy:
10.1002/mrm.25227

Authors


Meakin, JA More by this author
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Institution:
University of Oxford
Department:
Oxford, MSD, Clinical Neuroscience
Journal:
Magnetic resonance in medicine
Volume:
73
Issue:
3
Pages:
1085-1094
Publication date:
2015-03-05
DOI:
EISSN:
1522-2594
ISSN:
0740-3194
URN:
uuid:0f3b6dcc-4d83-4be3-a140-36f3120418db
Source identifiers:
462123
Local pid:
pubs:462123

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