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Abstract #2254

Assessment of the Supra-Aortic Vessels Using Time-Resolved Double-Bolus 3D TWIST-MRA

Andreas Korn1, Till K. Hauser1, Sren Danz1, Benjamin Bender1, Michael Fenchel1, Thomas Ngele1, Ulrike Ernemann1, Uwe Klose1

1Department of Neuroradiology, University Hospital Tbingen, Tbingen, Germany

MRA of the supra-aortic vessels is usually performed in CARE bolus technique, which necessitates high operator experience and interaction with the control panel. TWIST requires less operator experience and interaction. Goal of the present work was to implement an automated and therefore robust protocol for the TWIST angiography of the supra-aortic vessels with high spatial resolution and increased likelihood of optimal arterial contrast by double bolus injection. The new double bolus injection protocol allowed for good separation of arterial vessels at least after one of the two bolus applications.