Abstract #0993

2D High Resolution Myocardial TRAFF2 Mapping: Reproducibility and Accuracy

Joao Tourais¹, Ingo Hermann^1,2, Rick Voncken³, Ömer Burak Demirel⁴, Sebastian Weingärtner¹, and Mehmet Akcakaya⁴

¹Magnetic Resonance Systems Lab, Department of Imaging Physics, TU Delft, Delft, Netherlands, ²Computer Assisted Clinical Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany, ³Scannexus BV, Maastricht, Netherlands, ⁴Department for Electrical and Computer Engineering, and Center for Magnetic Resonance Research, University of Minnesota, Minnesota, MN, United States

Relaxation Along a Fictitious Field (RAFF) times in the 2^nd rotating frame (T_RAFF2) have shown promise for the depiction of acute myocardial infarct in a mouse model. In this work, in vivo myocardial T_RAFF2 maps are acquired in a single breath-hold at 3T. An additional image was acquired following saturation preparation to enable reconstruction with a three-parameter fit model. Visually high-quality map quality, homogeneous signal, artifact resilience and low inter-scan variability were achieved with T_RAFF2 in vivo. This makes T_RAFF2 an excellent candidate for myocardial tissue characterization in clinical use.

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