Human cardiac 31P magnetic resonance spectroscopy at 7 Tesla.
PURPOSE: Phosphorus magnetic resonance spectroscopy ((31)P-MRS) affords unique insight into cardiac energetics but has a low intrinsic signal-to-noise ratio (SNR) in humans. Theory predicts an increased (31)P-MRS SNR at 7T, offering exciting possibilities to better investigate cardiac metabolism. We therefore compare the performance of human cardiac (31)P-MRS at 7T to 3T, and measure T1s for (31)P metabolites at 7T. METHODS: Matched (31)P-MRS data were acquired at 3T and 7T, on nine normal vo...Expand abstract
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