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Abstract #4731

The Effect of Meal and Exercise on the in Vivo 31P-NMR Liver Spectrum: Initial Findings

Antti Hakkarainen1, Jesper Lundbom1,2, Esa K.J. Tuominen1, Marja-Riitta Taskinen, Kirsi Hannele Pietilinen3, Nina Lundbom1

1Helsinki Medical Imaging Centre, University of Helsinki, Helsinki, Finland; 2Department of Medicine, Division of Cardiology, University of Helsinki, Helsinki, Finland; 3Obesity Research Unit, Department of Psychiatry, Helsinki University Central Hospital, Helsinki, Finland

We studied the effects of a normal high-fat meal and subsequent exercise on the 31P MR spectrum of healthy volunteers using a proton-decoupled 31P MR spectroscopy at 3 T. We found a trend of rising ATP resonance at postprandial state suggesting that the physiological state may have an impact and should be standardized in phosphorus studies.