Abstract #2690

Vessel-selective time-resolved cerebral angiograms in less than one minute

Eleanor S K Berry¹, Peter Jezzard¹, and Thomas W Okell¹

¹FMRIB Centre, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom

Vessel-encoded pseudo-continuous arterial spin labeling (VEPCASL) can be used to obtain vessel-selective time-resolved angiograms. Here we compare accelerated Cartesian and radial readouts to demonstrate the feasibility of speeding up their acquisition, enabling better prospects for use of the method in a clinical setting. It was possible to acquire 2D vessel-selective angiograms in less than one minute. Accelerated (undersampled) radial acquisition consistently led to angiograms with higher signal-to-noise ratio and better quality peripheral artery imaging versus accelerated Cartesian imaging.

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