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Abstract #0986

Radial MOLLI sequence for fast, precise and accurate myocardium T1 mapping

Benjamin Marty1,2, Bertrand Coppa1,2, and Pierre G Carlier1,2

1NMR laboratory, Institute of Myology, Paris, France, 2NMR laboratory, CEA, I2BM, MIRCen, Paris, France

Quantitative cardiac NMR imaging, and more particularly T1 mapping has become a popular modality to characterize myocardial tissue. In this work, we developed and validated a radial variant of the MOLLI acquisition (raMOLLI) that allows to significantly decrease the acquisition time down to 5 heart beats, while keeping high precision on T1 estimation due to a large number of acquired data-points along the T1 relaxation recovery curve. Insensitivity of measured T1 values to heart rate was also demonstrated with this sequence.

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