PMID: 9543431Apr 16, 1998Paper

Simultaneous multislice acquisition with arterial-flow tagging (SMART) using echo planar imaging (EPI)

Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine
Y H KaoJ R MacFall

Abstract

Arterial spin tagging techniques have been used to image tissue perfusion in MR without contrast injection or ionizing radiation. Currently, spin tagging studies are performed primarily using single-slice imaging sequences, which are time consuming. This note reports a multislice echo-planar arterial spin tagging technique (Simultaneous Multislice Acquisition with aRterial-flow Tagging, or "SMART"). Multiband RF encoding (Hadamard) is used to provide simultaneous multislice acquisition capability for spin tagging techniques (such as echo planar imaging signal targeting with alternating radio frequency and flow-sensitive alternative inversion recovery). The method is illustrated with a two-slice pulse sequence that was implemented using the FAIR technique to generate two perfusion weighted images simultaneously. Compared with single-slice sequences, this two-slice sequence provided similar image quality, signal-to-noise ratio, and twice the spatial coverage compared with the single-slice technique within the same scan time.

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Citations

Jun 17, 1999·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·G ZaharchukL L Wald
Jun 30, 2007·Neurotherapeutics : the Journal of the American Society for Experimental NeuroTherapeutics·Ronald L Wolf, John A Detre
Apr 2, 2004·Topics in Magnetic Resonance Imaging : TMRI·Xavier GolayTchoyoson C C Lim
Jul 21, 1999·Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism·F CalamanteR Turner
Mar 29, 2001·Journal of Magnetic Resonance Imaging : JMRI·E L BarbierM Décorps
May 30, 2006·Neuroimaging Clinics of North America·Xavier Golay, Esben T Petersen
Mar 4, 2006·Journal of Magnetic Resonance Imaging : JMRI·Andrew N PriestRoger J Ordidge

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