Abstract #3630

An Off-Resonance Insensitive Orthogonal CSPAMM Sequence (ORI-O-CSPAMM)

Hernán Mella^1,2,3, Hui Wang^4,5, and Sergio Uribe^2,3,6

¹Department of Electrical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile, ²Biomedical Imaging Center, Pontificia Universidad Católica de Chile, Santiago, Chile, ³Millennium Nucleus for Cardiovascular Magnetic Resonance, ANID - Millennium Science Initiative Program, Santiago, Chile, ⁴Philips, Cincinnati, OH, United States, ⁵Department of Radiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States, ⁶Department of Radiology, Pontificia Universidad Católica de Chile, Santiago, Chile

We propose the Off-Resonance Insensitive Orthogonal CSPAMM sequence (ORI-O-CSPAMM). ORI-O-CSPAMM allows the acquisition of a CSPAMM grid in half of the acquisition time, removing off-resonance effects during the tagging preparation. Additionally, ORI-O-CSPAMM allows Magnitude Image CSPAMM Reconstruction (MICSR), which improves the tagging contrast through the cardiac cycle and remove spurious phases gained during the readout.

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