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Abstract #2405

Optimized Two-Element Coil-Array for Cardiac Imaging in Mice at 9.4 T

Matthias Korn 1 , Titus Lanz 1 , Carsten Kgler 1 , Vicky Thornton 2 , and Jrgen E. Schneider 2

1 RAPID Biomedical GmbH, Rimpar, Germany, 2 Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom

Cardiac imaging on mice needs both high performance gradient systems and optimized RF coils. The limited available space leads to either optimized gradient performance with a birdcage as Tx/Rx coil, which is the most commonly used design. Alternatively, larger gradient diameters allow for operating (large) Tx resonators and receive arrays. The aim of this work is to develop a Tx resonator and an Rx coil array, optimized for murine cardiac MRI and to be combined with a high-performance microscopy gradient system. Bench and MRI characterizations are provided, and a comparison with a quadrature driven Tx / Rx coil is performed, demonstrating superior performance of the coil-array for cardiac imaging.

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