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Simultaneous MR Acquisition of Arterial and Brain Signal‐Time Curves
Author(s) -
Perman William H.,
Gado Mokhtar H.,
Larson Kenneth B.,
Perlmutter Joel S.
Publication year - 1992
Publication title -
magnetic resonance in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.696
H-Index - 225
eISSN - 1522-2594
pISSN - 0740-3194
DOI - 10.1002/mrm.1910280108
Subject(s) - cerebral blood flow , pulse (music) , blood flow , tracer , internal carotid artery , nuclear medicine , parenchyma , brain tissue , medicine , nuclear magnetic resonance , biomedical engineering , radiology , cardiology , pathology , computer science , physics , telecommunications , detector , nuclear physics
Regional cerebral blood flow (rCBF) provides important information about local neuronal functional and cerebrovascular status. Determination of rCBF requires sequential measurements of tracer concentration in arterial blood and brain tissue unless the tracer is trapped in the brain in proportion to rCBF. Since gadopentate dimeglumine is not trapped within brain tissue, we have developed the simultaneous dual FLASH pulse sequence (SDFLASH) which sequentially measures the MR signal change in both the internal carotid artery and brain parenchyma simultaneously during the passage of a bolus of paramagnetic contrast material.© 1992 Academic Press,Inc.