Abstract #2151

Acceleration Factor Analysis of Different Dedicated 8Tx/16Rx Coil Arrays for Cardiac MRI at 7T

Maria Roxana Stefanescu¹, Maxim Terekhov¹, Ibrahim A. Elabyad¹, David Lohr¹, Michael Hock¹, and Laura Maria Schreiber¹

¹Chair of Cellular and Molecular Imaging, Comprehensive Heart Failure Center (CHFC), University Hospital Wuerzburg, Wuerzburg, Germany

Signal-to-noise ratio (SNR) in cardiac MRI (cMRI) is a parameter associated with the field strength, the parallel imaging (PI) acceleration factor and the geometry of receive array element arrangement (g-factor). The purpose of this work was to evaluate four different arrays with symmetrical and asymmetrical distribution of 16RX and 8TX elements ex-vivo in swine at 7T MRI. The asymmetrical design proved to be superior with regard to SNR and image homogeneity.

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