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