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Abstract #0794

Comparison of ASL inversion efficiency and CBF quantification for 3 perfusion techniques at 3 magnetic fields

Clement Stephan Debacker 1,2 , Jan M Warnking 1,3 , Sacha Koehler 2 , Jerome Voiron 2 , and Emmanuel L Barbier 1,3

1 GIN, Univ. Grenoble Alpes, Grenoble, France, 2 Bruker BioSpin MRI, Ettlingen, Germany, 3 U836, INSERM, Grenoble, France

The purpose of this study is to evaluate the reproducibility across magnetic field of cerebral blood flow (CBF) quantification using Arterial Spin Labeling (ASL) methods. Three ASL methods (pulsed ASL (PASL), continuous ASL (CASL), and pseudo-continuous ASL (pCASL)) were evaluated at 4.7, 7, and 11.7T in 43 rats. Among the three techniques evaluated, pCASL appears as the most reproducible method across magnetic fields.

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