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Abstract #2874

Improved Time Efficiency and Workflow for Fully Self-Gated Non-Contrast 5D Imaging of the Heart

Jerome Yerly1,2, Davide Piccini1,3, Lorenzo Di Sopra1, Jessica AM Bastiaansen1, Simone Coppo4, and Matthias Stuber1,2

1Department of Radiology, University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland, 2Center for Biomedical Imaging (CIBM), Lausanne, Switzerland, 3Advanced Clinical Imaging Technology, Siemens Healthcare AG, Lausanne, Switzerland, 4Department of Radiology, Case Western Reserve University, Cleveland, OH, United States

Current solutions for cardiac and respiratory motion resolved whole-heart MR imaging rely on ECG signal to synchronize data acquisition, sub-optimal strategies for fat suppression which interrupts steady-state magnetization, or contrast agent for anatomical differentiation. To address these hurdles, we present a self-gated framework with bSSFP contrast and binomial spectrally selective excitation pulse which suppresses epicardial fat signal without interrupting steady-state. When compared to existing sequences, the proposed framework reduces energy deposition and acquisition time while preserving or even improving the final image quality.

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