Abstract #1997

Accelerated Kinetic ASL Using 3D Spiral TSE and Compressed Sensing

Li Zhao¹, Xiao Chen¹, Samuel W. Fielden¹, Frederick H. Epstein¹, John P. Mugler III², Josef Pfeuffer³, Manal Nicolas-Jilwan², Max Wintermark², Craig H. Meyer¹,²

¹Biomedical Engineering, University of Virginia, Charlottesville, VA, United States; ²Radiology, University of Virginia, Charlottesville, VA, United States; ³Siemens, Erlangen, Germany

To achieve high SNR, we develop 3DTSE with stack spiral acquisition. To shorten scan time, compress sensing is modified to perform on spiral trajectory. CBF and MTT are estimated from dynamic data properly and off-line reconstruction with acceleration rate of 3 shows little difference.