Keywords: Neuro, Arterial spin labellingDelayed perfusion in patients with Moyamoya vasculopathy can lead to a bias in CBF quantification, especially for single-delay ASL acquisitions. In this work, we investigate the clinical utility of arterial transit time corrected CBF derived from a 7-delay prototype ASL sequence for assessment of hemodynamically mediated perfusion failure in pediatric Moyamoya patients. The multi-delay ASL acquisition proved successful in capturing the whole distribution of transit times in the investigated patient cohort and may thus be a valid contrast agent-free alternative to DSC-enhanced perfusion imaging.
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