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Abstract #4952

Comparison of multi-delay renal PASL-FAIR and pCASL perfusion quantification at 3T

Anita A. Harteveld1, Anneloes de Boer1, Suzanne L. Franklin1,2, Tim Leiner1, Marijn van Stralen1, and Clemens Bos1

1Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands, 2C.J. Gorter Center for high field MRI, Department of Radiology, Leiden University Medical Center, Leiden, Netherlands

ASL has emerged as a non-invasive tool for measuring renal perfusion. Whereas in the brain consensus leans towards pCASL as the preferred labeling strategy, in the kidney PASL-FAIR has been reported on most. A systematic comparison of renal PASL-FAIR and pCASL perfusion measurement was performed at 3T in 16 volunteers, with separate visits to assess repeatability. PASL-FAIR perfusion values were significantly higher than those obtained with pCASL. Moreover, at 3T PASL-FAIR had approximately 2-3 times better repeatability compared to pCASL.

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