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Abstract #0993

2D High Resolution Myocardial TRAFF2 Mapping: Reproducibility and Accuracy

Joao Tourais1, Ingo Hermann1,2, 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 2nd rotating frame (TRAFF2) have shown promise for the depiction of acute myocardial infarct in a mouse model. In this work, in vivo myocardial TRAFF2 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 TRAFF2 in vivo. This makes TRAFF2 an excellent candidate for myocardial tissue characterization in clinical use.

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