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Abstract #2697

Analysis and correction of eddy current induced artifacts in spiral phase contrast MRI using Point RESolved Spectroscopy

Rene Bastkowski1, Kilian Weiss1,2, David Maintz1, and Daniel Giese1

1Department of Radiology, University Hospital of Cologne, Cologne, Germany, 2Philips Healthcare, Hamburg, Germany

A novel method based on single-voxel-spectroscopy (PRESS) for the analysis and correction of eddy-current induced artefacts in spiral phase-contrast MRI is presented. It is demonstrated, that 0th and 1st order corrections result in residual background offsets of less than 0.5cm/s, inherently correcting for geometrical misalignments between flow acquisitions as well as 2nd order spatial phase offsets. The method does not require special hardware and can be applied as a pre-scan.

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