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Abstract #3167

High resolution Magnetic Resonance Imaging (MRI) combined with Magnetization Transfer (MT) for the visualization of the cardiac structure: an ex vivo proof of concept

Julie Magat1, Arnaud Fouillet1, Jérôme Naulin1, David Benoist1, Yunbo Guo1, Olivier Bernus1, Bruno Stuyvers1, and Bruno Quesson1

1IHU LIRYC, Université de Bordeaux, Pessac, France

The motivation of this study was to investigate Magnetization Transfer MRI as a technique of contrast for visualization of the Purkinje Fiber (PF) network in ex vivo cardiac sample of a large animal. We first optimized MT parameters to obtain the best contrast: offset frequency, duration of the module and radiofrequency field. We performed 2D and 3D acquisition on pig ex vivo heart. We were able to enhance contrast between PF network and muscle and visualize insert points inside the myocardium in 3D.

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