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. Klomp^2,5, Aart J. Nederveen¹, and Jeroen A.L. Jeneson^1,6

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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