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Abstract #2698

Sub-millimeter in-plane spatial resolution CINE imaging of the heart at 7.0 T using a 16 channel bow tie antenna transceiver coil array

Celal Oezerdem 1 , Lukas Winter 1 , Andreas Graessl 1 , Katharina Paul 1 , Antje Els 1 , and Thoralf Niendorf 1,2

1 Berlin Ultra-High Field Facility (B.U.F.F.), MDC, Berlin, Germany, 2 Experimental and Clinical Research Center, a joint cooperation between Charit Medical Faculty and the Max Delbrueck Center, Berlin, Germany

Improvements in signal-to-noise-ratio (SNR)and B 1 + efficiency of the TX/RX array configurations hold the promise to increase the spatial resolution, which is promising in order to gain better insight into myocardial microstructures. For this reason this work investigates the capabilities of a 16 channel cardiac array for sub-millimeter spatial resolution of the heart at 7.0 T. For this purpose numerical field simulations are performed. A phase setting is derived to afford uniform and efficient excitation. 2D CINE FLASH imaging of the heart is performed in healthy subject using spatial resolutions up to (0.8x0.8x2.5)mm 3 .The results of this work demonstrated that high resolution CINE imaging of the heart at 7.0 T is feasible.

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