Abstract #3936

31P MRSI of Human Calf muscles Using Flyback Echo Planar Spectroscopic Imaging (EPSI) Readout Gradients

Alejandro Santos Diaz¹, Alireza Akbari¹, and Michael Noseworthy^1,2,3

¹School of Biomedical Engineering, McMaster University, Hamilton, ON, Canada, ²Imaging Research Centre, St Joseph's Healthcare, Hamilton, ON, Canada, ³Electrical and Computer Engineering, McMaster University, Hamilton, ON, Canada

Long acquisition time due to the low sensitivity is one of the main constrains for using 31P MRSI on a regular basis. Different methods have been proposed to accelerate the acquisition showing advantages and limitations. In this work we present for the first time an in vivo experiment using flyback-Echo Planar Spectroscopic Imaging readout and compare it with the traditional fidCSI sequence. Results suggest that the technique might be suitable for clinical applications.

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