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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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