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 Tourais^1,2, Guruprasad Krishnamoorthy^1,2, Marc Kouwenhoven¹, Jouke Smink¹, and Marcel Breeuwer^1,2

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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