Keywords: Myocardium, Spectroscopy, RF Coils, Metabolism
Motivation: Cardiac 31P MRS is limited by the low sensitivity of commonly used transmit-receive surface coils at larger distances from the coil. Therefore, with transmit-receive surface coils, data is often acquired in prone position, which brings the heart closer to the coil.
Goal(s): Determine the sensitivity of cardiac 3D 31P MRSI in prone and supine positions using an integrated 31P whole-body birdcage transmit coil at 7T.
Approach: A male and female subject were scanned in prone and supine position.
Results: 3D 31P MRSI data were obtained with good sensitivity throughout the whole heart, regardless of the position of the subject.
Impact: With an integrated 31P whole-body transmit coil at 7T, cardiac 31P MRS can be performed in the more comfortable supine position, with good sensitivity also in the posterior cardiac wall.
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