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Abstract #1223

Combined Luminal and Hemodynamic Nonenhanced Neck MR Angiography Using an Efficient Tilted Multiple Thin-Overlapping-Slab Strategy

Ioannis Koktzoglou1,2, Onural Ozturk1,3, Zachary B Bulwa2,4, Fulvio R Gil2,4, William J Ares2,5, Elham Azizi2,4, Nondas Leloudas1, and Robert R Edelman1,6
1Radiology, Endeavor Health, Evanston, IL, United States, 2Pritzker School of Medicine, University of Chicago, Chicago, IL, United States, 3Northwestern University, Chicago, IL, United States, 4Neurology, Endeavor Health, Evanston, IL, United States, 5Neurosurgery, Endeavor Health, Evanston, IL, United States, 6Feinberg School of Medicine, Northwestern University, Chicago, IL, United States

Synopsis

Keywords: Vascular/Vessel Wall, Velocity & Flow

Motivation: Luminal and hemodynamic measurements inform the diagnosis and management of cervical arterial disease, however, few imaging protocols efficiently provide both evaluations in a single standalone protocol.

Goal(s): To test an efficient nonenhanced tilted stack-of-stars thin-overlapping-slab quiescent interval slice-selective (tilted-SOS-QISS) MRA protocol that provides both hemodynamic and high-resolution luminal evaluation of the cervical arteries.

Approach: 3D tilted-SOS-QISS was acquired in 20 subjects. Image quality was scored. Hemodynamic comparisons were made with phase contrast MRI.

Results: Nonenhanced 3D tilted-SOS-QISS provided excellent image quality for displaying the cervical arteries, and provided reliable time-averaged hemodynamic flow velocity and flow rate data that agreed with phase contrast MRI.

Impact: The provision of high-quality luminal and hemodynamic data in a single and efficient nonenhanced MRA protocol may help to reduce costs, enhance our ability to evaluate the hemodynamic impact of cervical arterial disease, and inform clinical decision-making.

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Keywords