Abstract #1260
Reliability and reproducibility of arterial transit time-corrected whole-brain pseudo-continuous arterial spin labeling
Kazunobu Tsuji 1 , Tatsuro Tsuchida 1 , Yasuhiro Fujiwara 1,2 , Masayuki Kanamoto 1 , Tsuyoshi Matsuda 3 , R. Marc Lebel 4 , and Hirohiko Kimura 1
1
Radiology, University of Fukui, Yoshida-gun,
Fukui, Japan,
2
Medical
Imaging, Kumamoto University, Kumamoto, Japan,
3
Global
MR Applications and Workflow, GE Healthcare, Tokyo,
Japan,
4
Global
MR Applications and Workflow, GE Healthcare, AB, Canada
Arterial spin labeling (ASL) signals reflect blood flow
delivery to local brain tissue, but may be affected by
arterial transit time (ATT). Low-resolution ATT pre-scan
has been proposed as a means of reducing the ATT
contribution1. Reproducibility studies have recently
been reported from several groups using different ASL
schemes, but no reports have described the
reproducibility of ATT and ATT-corrected CBF. This study
was to assess the reproducibility and reliability of ATT
and ATT-corrected CBF maps compared with those of
uncorrected CBF calculated using fixed transit time
delay.
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