Functional perfusion imaging using continuous arterial spin labeling with separate labeling and imaging coils at 3 T.
Mildner, Toralf;
Trampel, Robert;
Möller, Harald E;
Schäfer, Andreas;
Wiggins, Christopher J;
Norris, David G;
(2003)
Functional perfusion imaging using continuous arterial spin labeling with separate labeling and imaging coils at 3 T.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine, 49 (5).
pp. 791-795.
ISSN 0740-3194
DOI: https://doi.org/10.1002/mrm.10438
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Functional perfusion imaging with a separate labeling coil located above the common carotid artery was demonstrated in human volunteers at 3 T. A helmet resonator and a spin-echo echo-planar imaging (EPI) sequence were used for imaging, and a circular surface coil of 6 cm i.d. was employed for labeling. The subjects performed a finger-tapping task. Signal differences between the condition of finger tapping and the resting state were between -0.5% and -1.1 % among the subjects. The imaging protocol included a long post-label delay (PLD) to reduce transit time effects. Labeling was applied for all repetitions of the functional run to reduce the sampling interval.