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Abstract #3921

High Resolution Cine of the Heart at 3T with Free Breathing Cine-GRICS

Pierre-Andr Vuissoz 1,2 , Freddy Odille 1,2 , Christophe Meyer 1,2 , Laurent Bonnemains 3,4 , Damien Mandry 1,4 , and Jacques Felblinger 1,3

1 Imagerie Adaptative Diagnostique et Interventionnelle, Universit de Lorraine, Nancy, France, 2 U947, INSERM, Nancy, France, 3 CIT801, INSERM, Nancy, France, 4 University Hospital Nancy, Nancy, France

Valves and coronary vessels remain difficult to observe in low resolution dynamic cine MR images. High resolution cardiac cine MRI implies a long acquisition time requiring free breathing which leads to breathing motion artifacts. Cine-GRICS reconstructs motion compensated images using physiological sensors. On six volunteers, series of 5mm thickness 384x384 free breathing cine images covering the heart in anatomical orientations have been acquired at 3T. Despite contrast change due to long TR in high resolution SSFP, expected anatomical details could be observed. A high resolution protocol covering the heart with cine images was performed in less than one hour.

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