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Abstract #0146

31-channel receive coil array combined with an 8-channel whole-brain dipole transmit array

Jérémie Clément1, Rolf Gruetter1,2,3, and Özlem Ipek4

1LIFMET, EPFL, Lausanne, Switzerland, 2Department of Radiology, University of Lausanne, Lausanne, Switzerland, 3Department of Radiology, University of Geneva, Geneva, Switzerland, 4CIBM-AIT, EPFL, Lausanne, Switzerland

To increase the parallel imaging performances while keeping high transmit field, the combination of a high-density receive coil array and a tight-fitted whole-brain dipole coil array was investigated. Measured noise correlation matrix, signal-to-noise ratio and g-factor maps were evaluated for the 31-channel receive coil array, and MRI acquisition time could be decreased up to 3.4 times without attenuation in data quality. MR images demonstrated a large spatial coverage, including cerebellum and cerebral cortex, thanks to the whole-brain dipole transmit array while the 31-channel receive coil array provided highly accelerated image acquisition.

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