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Abstract #3630

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

Hernán Mella1,2,3, Hui Wang4,5, and Sergio Uribe2,3,6
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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