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Breath-hold R2* mapping with a multiple gradient-recalled echo sequence: application to the evaluation of intrarenal
P V Prasad1, Q Chen, J W Goldfarb
1Department of Radiology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, MA 02215, USA.
Journal of Magnetic Resonance Imaging : JMRI
|December 24, 1997
Abstract:
Blood oxygenation level dependent (BOLD) MRI is sensitive to changes in regional oxygen supply versus demand and is therefore potentially useful in evaluating susceptibility to ischemic injury. Recently, we have demonstrated the use of BOLD MRI to evaluate intrarenal oxygenation using single shot echo-planar imaging (EPI). Here, we present an alternate implementation of BOLD MRI sequence, using multiple gradient echoes, that does not require any specialized hardware.