Abstract #4211

Comparison of human cardiac 31P-MRS on 3 T Trio and Prisma scanners

Jane Ellis¹, Moritz Hundertmark¹, Marco Spartera¹, William Watson¹, Christopher T. Rodgers^1,2, and Ladislav Valkovic^1,3

¹OCMR, RDM Cardiovascular Medicine, University of Oxford, Oxford, United Kingdom, ²Wolfson Brain Imaging Centre, Department of Clinical Neurosciences, University of Cambridge, Cambridge, United Kingdom, ³Institute of Measurement Science, Slovak Academy of Sciences, Bratislava, Slovakia

Cardiac PCr/ATP ratios measured by ³¹P MRS are a measure of the biochemical “energy reserve” in the heart. They decrease early in the progression of a wide range of diseases, making them a valuable biomarker. Logistically, it is often important for a long-running study to be able to compare data acquired on different MRI scanners. In this study, we show that comparable results may be acquired with 3T Prisma and 3T Trio scanners by scanning 10 healthy volunteers with ³¹P-CSI and ³¹P-DRESS on both systems. It is legitimate to pool 3T Prisma and 3T Trio data for clinical studies.

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