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Abstract #4468

How to Achieve a 100% Success Rate in Cardiac 1H MR Spectroscopy

sa Carlsson1, 2, Maja Sohlin2, Maria Ljungberg1, 2, Eva Forssell-Aronsson1, 2

1Department of Medical physics and Biomedical Engineering, Sahlgrenska University Hospital, Gothenburg, Sweden; 2Department of Radiation Physics, University of Gothenburg, Gothenburg, Sweden

Localised proton MR-spectroscopy can be used for lipid quantification in the human myocardium but it is difficult as the method suffers from both motion and large susceptibility effects. It is, however, possible to achieve a 100% success rate in healthy volunteers and obtain good spectral quality every single time if following a strict measurement protocol where every step is optimised for each individual. The three most important steps were: 1) Planning the VOI completely within the ventricular septum, 2) using navigator triggered field mapping for shimming, and 3) optimising the cardiac triggering time delay using spectroscopy.