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Abstract #1099

Feasibility of Rapid Quiescent-Interval Slice-Selective MRA of the Carotid Arteries Using Radial Sampling and Deep Learning Reconstruction

Ioannis Koktzoglou1,2, Rong Huang1, Pascale J Aouad1,3, Emily A Aherne1,3, Archie L Ong2,4, and Robert R Edelman1,3
1Radiology, NorthShore University HealthSystem, Evanston, IL, United States, 2The University of Chicago Pritzker School of Medicine, Chicago, IL, United States, 3Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States, 4Neurology, NorthShore University HealthSystem, Evanston, IL, United States

Ungated quiescent-interval slice-selective (QISS)-based magnetic resonance angiography (MRA) of the extracranial carotid arteries normally carries scan times of approximately 7 minutes. This work evaluated the feasibility of 3-fold accelerated single-shot QISS MRA in under three minutes using radial k-space sampling and a patch-based deep learning image reconstructive strategy.

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