Improved SNR at 7T for Non-Contrast Enhanced Cardiac Perfusion Imaging Using Arterial Spin Labeling

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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