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Abstract #1124

Initial experiences with a fully-removable whole-body birdcage transmit coil and 16-element receive array for cardiac 31P-MRS at 7T

Ladislav Valkovic1, Iulius Dragonu2, Karsten Wicklow2, Ulrich Joerg Fontius2, Salam Almujayyaz3, Alex Batzakis3, Liam Young1, Lucian AB Purvis1, William T Clarke1, Tobias Wichmann4, Titus Lanz4, Stefan Neubauer1, Matthew D Robson1, Dennis WJ Klomp3,5, and Christopher T Rodgers1

1Oxford Centre for Clinical MR Research (OCMR), RDM Cardiovascular Medicine, University of Oxford, Oxford, United Kingdom, 2Siemens Healthcare GmbH, Erlangen, Germany, 3MR Coils BV, Zaltbommel, Netherlands, 4Rapid Biomedical GmbH, Rimpar, Germany, 5Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands

This abstract describes our experiences implementing a volume transmit, local receive setup for cardiac 31P-MRS on a Siemens research 7T MRI scanner. Two strands of development work have been performed in tandem: (i) development of a fully removable whole-body transmit RF-coil and testing with the standard 8kW RFPA and SAR monitoring and combined with a 16ch receive array, and (ii) integration of a 35kW RF power amplifier, a new energy chain, and adapted SAR monitoring.

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