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Abstract #0988

Are myocardial MOLLI T1 differences between athletic and non-athletic subjects real or dependent on center differences or MOLLI scheme? 

Tom Dresselaers1,2, Ruben De Bosscher3, Sofie Tilborghs4,5, Alexandru Cernicanu6, Christophe Dausin7, Oliver Ghekiere8, Rik Willems3, Guido Claessen3, and Jan Bogaert1,2
1Radiology, UZ Leuven, Leuven, Belgium, 2Imaging and Pathology, KU Leuven, Leuven, Belgium, 3Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium, 4Department of Electrical Engineering (ESAT), KU Leuven, Leuven, Belgium, 5Medical Imaging Research Center, Medical Physics and Quality Assessment, KU Leuven, Leuven, Belgium, 6Philips Benelux, Eindhoven, Netherlands, 7Exercise Physiology Research Group, KU Leuven, Leuven, Belgium, 8Jessa Hospital, Hasselt, Belgium

We analysed differences in myocardial T1 between non-athletic subjects and athletes (which started endurance training early or late in life) to determine inter-center consistency. In addition, we implemented and extended MOLLI scheme (5s5s1s) to improve precision at very low heart rate typical in athlete's and compared with results from a standard 5s3s MOLLI. Absolute levels were dependent on MOLLI scheme and site, but group differences were very similar as evident from full myocardium T1 histograms.

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