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Abstract #2117

Quantitative comparison between Multislice 2D Breath-hold Cartesian and Free-breathing Anisotropic FOV 3D Golden Angle Radial Stack-of-Stars for functional cardiac MRI

Joao Tourais1,2, Guruprasad Krishnamoorthy1,2, Marc Kouwenhoven1, Jouke Smink1, and Marcel Breeuwer1,2

1Division MR Clinical Science, Philips, Best, Netherlands, 2Dept. of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands

Radial trajectories are ideal in dynamic imaging due to its robustness to flow and motion. Multislice 2D Breath-hold Cartesian acquisition is still the most used approach to acquire functional cardiac MRI. In this work, we demonstrate the feasibility of Free-breathing 3D Radial stack-of-stars imaging with in-plane anisotropic FOV. The prosed approach can reduce imaging times in acquisitions where the object dimensions are anisotropic, while still enabling a reliable Ejection Fraction estimation.

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