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Abstract #4361

High Resolution Respiratory Self-Gated Golden Angle Cardiac MRI: Comparison of Self-Gating Methods in Combination with k-t SPARSE SENSE

Jan Paul 1 , Evica Divkovic 1 , Stefan Wundrak 1 , Peter Bernhardt 1 , Wolfgang Rottbauer 1 , Heiko Neumann 2 , and Volker Rasche 1

1 Internal Medicine II, University Hospital of Ulm, Ulm, Germany, 2 Institute of Neural Information Processing, University of Ulm, Ulm, Germany

Several methods for self-gating (SG) are described in literature. However, to our knowledge, no comprehensive comparison of these variants has been performed yet. We compare different respiratory self-gating methods from radial acquisition by means of increase in image sharpness relative to non-gated reconstructions. In addition, high temporal resolution k-t SPARSE SENSE reconstruction of the gated data is investigated, which reveals more details of the heart motion.

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