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Abstract #3317

A Flexible 16-Element Transceiver 8Tx/16Rx Coil Array for Parallel Transmit Cardiac MRI in Pigs at 7T

Ibrahim A. Elabyad1, Maxim Terekhov1, David Lohr1, Maya Bille1, and Laura M. Schreiber1
1Chair of Molecular and Cellular Imaging, Comprehensive Heart Failure Center (CHFC), University Hospital Wuerzburg, Wuerzburg, Germany


A dedicated flexible 16-element transceiver coil array was developed, simulated, and tested for cardiac MRI (cMRI) in pigs at 7T. The 16-elements of the array are printed on a flexible (Kapton polyimide) substrate to conform to the pig thorax. The performance of the elastic array is evaluated by EM-simulations and MR-measurements in a pig phantom and a 45-kg pig in-vivo. The flexible array supports parallel imaging with acceleration factors up to R=4 with reasonable g-factors (g=1.2) in an ROI at the position heart. The array enables geometrical conformity to pig body weights within a large range of sizes and shapes.

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