Abstract #1099

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

Ioannis Koktzoglou^1,2, Rong Huang¹, Pascale J Aouad^1,3, Emily A Aherne^1,3, Archie L Ong^2,4, and Robert R Edelman^1,3

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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