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Abstract #3110

Comparison Between Spin Echo and Stimulated Echo Diffusion Encoding for Diffusion-Weighted Cardiac Magnetic Resonance (DW-CMR) at 3T

Christopher Nguyen1, Peter Speier2, Xiaoming Bi3, and Debiao Li1,4

1Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States, 2Siemens Healthcare GmbH, Erlangen, Germany, 3Siemens Healthcare, Los Angeles, CA, United States, 4Bioengineering, University of California Los Angeles, Los Angeles, CA, United States

Clinical application of diffusion-weighted cardiac magnetic resonance (DW-CMR) has demonstrated promise in detecting and characterizing the tissue microphysiology and/or microstructure. The aim of this study is to compare a recently developed SE diffusion-prepared approach with a conventional STE DW-CMR technique in normal volunteers on a 3T system. M2-SE derived MD values were significantly higher than STE derived values despite the same prescribed b-value and the difference is not dependent on heart rate. Both DW-CMR techniques were reproducible and motion corruption was seen to be overall less in M2-SE.

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