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Abstract #0959

Highly Accelerated Cardiac Cine Imaging on a Lower-Field 0.75T MRI

Valery Vishnevskiy1, Christian Guenthner1, Charles McGrath1, and Sebastian Kozerke1
1University and ETH Zurich, Zurich, Switzerland

We investigated the feasibility of accelerating cardiac cine imaging on a 0.75T lower-field MRI system by performing retrospective k-t undersampling of cine data at acceleration factors of 3 to 10. Reconstructed images show no unexpected artefacts with nRMSE of 0.6% at 7-fold acceleration. Additionally, the magnetohydrodynamic effect (MHD) in the electrocardiogram was significantly reduced at 0.75T compared to 1.5T promising rapid and robust cine imaging at lower field.

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