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Abstract #1678

Continuous Golden-Angle Spiral Acquisition as a Flexible Tool for Studying CSF Flow Dynamics

Daniel D Borup1, Sandeep K Ganji2, Petrice Mostardi Cogswell1, and James G Pipe1
1Radiology, Mayo Clinic, Rochester, MN, United States, 2Philips Healthcare, Gainesville, FL, United States

The use of a 2D golden-angle spiral trajectory is demonstrated for the measurement of CSF flow at the cerebral aqueduct and foramen magnum. The results compare favorably with a standard cardiac-gated Cartesian scan when retrospectively binned using the cardiac waveform. The spiral data also show variation in the CSF flow waveforms across the respiratory cycle and can be reconstructed as a time-resolved image series for spectral analysis of the flow dynamics.

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