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 Li^1,4

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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