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Abstract #1505

Design and Evaluation of a Novel 8Tx/16Rx Symmetric Coil Array for Cardiac MRI in Large Animals (Pigs) at 7T: Investigation of Decoupling Using a Common Central Ring

Ibrahim A. Elabyad1, M. Terekhov1, M. R. Stefanescu1, D. Lohr1, M. Fischer1, and L. M. Schreiber1

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

A dedicated 8Tx/16Rx coil array was designed and tested for cardiac magnetic resonance imaging (cMRI) ex-vivo pigs at 7T. The cardiac array is composed of 16-elements with physically independent anterior and posterior parts. The anterior array is composed of 8-elements and resembles a symmetric circular shape coil. The central four-elements are decoupled using a common central ring and shared decoupling capacitors. The posterior array was built using 4×2 rectangular symmetric elements configuration. Ex-vivo high-resolution cardiac images were acquired with 0.3 mm x 0.3 mm in plane resolution. The dedicated coil enhances the SNR within the heart by about four-times compared to a commercial human coil.

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