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Abstract #3518

A 4-element dual-tuned 1H/31P coil array for MR imaging and spectroscopy of the human heart at 3 Tesla

Adrianus J. Bakermans1, Bart-Jan van den Berg2, Gustav J. Strijkers3, Maarten J. Versluis4, Dennis W.J. Klomp2,5, Aart J. Nederveen1, and Jeroen A.L. Jeneson1,6

1Department of Radiology, Academic Medical Center, Amsterdam, Netherlands, 2MR Coils B.V., Drunen, Netherlands, 3Department of Biomedical Engineering and Physics, Academic Medical Center, Amsterdam, Netherlands, 4Philips Healthcare Benelux, Eindhoven, Netherlands, 5Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands, 6Neuroimaging Center, University Medical Center Groningen, Groningen, Netherlands

Maximizing the signal-to-noise ratio (SNR) in in vivo cardiac phosphorus-31 magnetic resonance spectroscopy (31P-MRS) remains a major challenge in investigations of human myocardial energy metabolism. Here, we demonstrate that with a dual-tuned 1H/31P coil array with 4 elements, it is feasible to achieve a higher SNR and a more homogeneous receive sensitivity distribution over the region of interest for cardiac 31P-MRS at 3 Tesla than with a standard linear single-turn 31P surface coil. Furthermore, the 4 channels available for 1H signal reception allow for cardiac cine 1H-MRI with parallel imaging.

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