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An improved method for acquiring cerebrovascular reactivity maps.

Abstract:

This study aims to improve the method used to produce cerebrovascular reactivity (CVR) maps by MRI. Previous methods have used a standard boxcar presentation of carbon dioxide (CO(2)). Here this is replaced with a sinusoidally modulated CO(2) stimulus. This allowed the use of Fourier analysis techniques to measure both the amplitude and phase delay of the BOLD CVR response, and hence characterize the arrival sequence of blood to different regions of the brain. This characterization revealed s...

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Publisher copy:
10.1002/mrm.22719

Authors


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Institution:
University of Oxford
Department:
Oxford, MSD, Clinical Medicine
Role:
Author
Journal:
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine
Volume:
65
Issue:
5
Pages:
1278-1286
Publication date:
2011-05-05
DOI:
EISSN:
1522-2594
ISSN:
0740-3194
URN:
uuid:5d9054ec-72c8-4b84-9dfb-41f9992923c0
Source identifiers:
265206
Local pid:
pubs:265206

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