Intra- and multicenter reproducibility of pulsed, continuous and pseudo-continuous arterial spin labeling methods for measuring cerebral perfusion

Sanna Gevers*, Matthias J. van Osch, Reinoud P. H. Bokkers, Dennis A. Kies, Wouter M. Teeuwisse, Charles B. Majoie, Jeroen Hendrikse, Aart J. Nederveen

*Corresponding author for this work

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Intra- and multicenter reproducibility of currently used arterial spin labeling (ASL) methods were assessed at three imaging centers in the Netherlands, equipped with Philips 3TMR scanners. Six healthy participants were scanned twice at each site. The imaging protocol consisted of continuous ASL (CASL), pseudo-continuous ASL (p-CASL) with and without background suppression, pulsed ASL (PASL) with single and multiple inversion times (TIs), and selective ASL for segmentation. Reproducibility was expressed in terms of the coefficient of repeatability and the repeatability index. Voxelwise analysis of variance was performed, yielding brain maps that reflected regional variability. Intra- and multicenter reproducibility were comparable for all methods, except for single TI PASL, with better intracenter reproducibility (F-test of equality of two variances, P

Original languageEnglish
Pages (from-to)1706-1715
Number of pages10
JournalJournal of Cerebral Blood Flow and Metabolism
Issue number8
Publication statusPublished - Aug-2011


  • arterial spin labeling
  • multicenter
  • reference values
  • regional variability
  • reproducibility
  • MRI
  • FMRI
  • TIME

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