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Abstract #2897

Breath-hold Multi-contrast 3D Dark Blood MRI of the Heart and Great Vessels with Gated Unbalanced T1 Relaxation-Enhanced Steady-State (uT1RESS)

Robert R Edelman1,2, Nondas Leloudas3, Jianing Pang4, and Ioannis Koktzoglou3,5
1Radiology, NorthShore University HealthSystem, EVANSTON, IL, United States, 2Feinberg School of Medicine, Northwestern University, Chicago, IL, United States, 3Radiology, NorthShore University HealthSystem, Evanston, IL, United States, 4Siemens Medical Solutions USA, Chicago, IL, United States, 5Pritzker School of Medicine, University of Chicago, Chicago, IL, United States

We recently described a novel class of steady-state pulse sequence called T1 Relaxation-Enhanced Steady-State (T1RESS). The unbalanced variant, called uT1RESS, generates dark blood images without the need to apply additional preparation modules. We sought to determine whether an electrocardiogram (ECG)-gated implementation of uT1RESS could be used to generate dark blood images for evaluation of the heart and great vessels. A pilot study of healthy volunteers and patients undergoing cardiac MRI was approved by the hospital institutional review board. Initial results suggest that ECG-gated uT1RESS shows promise for volumetric multi-contrast evaluation of the heart and great vessels.

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