Improved SNR at 7T for Non-Contrast Enhanced Cardiac Perfusion Imaging Using Arterial Spin Labeling
Xiufeng Li 1 , Pierre-Francois Van de Moortele 1 , Kamil Ugurbil 1 , and Gregory J Metzger 1
Center for Magnetic Resonance Research,
University of Minnesota, Minneapolis, MN, United States
Previous applications of ASL in cardiac perfusion
imaging indicated low perfusion signal to noise ratio
(SNR) and large dominant temporal errors at 3T. Ultra
high field 7T has the potential to provide higher SNR
for ASL perfusion imaging due to greatly increased blood
T1 and imaging SNR. To explore the benefits of 7T for
ASL cardiac perfusion imaging, studies were performed on
both 3T and 7T with results indicating that 7T could
improve cardiac ASL perfusion SNR.
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