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Abstract #3113

Precision and sensitivity of radial MOLLI sequence for fast myocardial T1 mapping

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

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

Quantitative cardiac NMR imaging, and more particularly T1 mapping has become a most important modality to characterize myocardial tissue. In this work, we evaluated the precision and sensitivity of a fast radial MOLLI sequence by comparison with conventional MOLLI on 14 subjects presenting different heart rates, BMI and cardiac conditions. This sequence demonstrated the same precision on T1 estimates than conventional MOLLI, and was not influenced by heart rate variations. It might represent a good candidate for ultra-fast acquisition of myocardial T1 maps.

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