Flow Compensation in Non-Balanced SSFP

Santini, F; Bieri, O; Scheffler, K

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Flow Compensation in Non-Balanced SSFP

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https://cds.ismrm.org/ismrm-2008/files/1_program.pdf
(Abstract)

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Citation

Santini, F., Bieri, O., & Scheffler, K. (2008). Flow Compensation in Non-Balanced SSFP. Poster presented at 16th Scientific Meeting and Exhibition of the International Society of Magnetic Resonance in Medicine (ISMRM 2008), Toronto, Canada.

Cite as: https://hdl.handle.net/21.11116/0000-0003-9334-C

Abstract

Flow compensation is a critical issue in non-balanced SSFP imaging because high first-order moments are achieved in the dephasing direction. Phase
accumulation leads to steady-state disruption and consequent blurring artifacts and signal loss, especially in presence of long-T2 tissues. In this work, a
theoretical explanation of the artifacts is given, showing how phase fluctuations influence the amplitude and the stability of the signal, and optimized flow
compensated SSFP-FID and SSFP-echo sequences are presented. Finally, In vivo application of the sequence is demonstrated.