biostudies-literatureSteensma BRStichting voor de Technische Wetenschappen7-18https://www.ebi.ac.uk/biostudies/studies/S-EPMC5813068biostudies-literatureUnknown31(1)<h4>Objective</h4>To demonstrate imaging performance for cardiac MR imaging at 7 T using a coil array of 8 transmit/receive dipole antennas and 16 receive loops.<h4>Materials and methods</h4>An 8-channel dipole array was extended by adding 16 receive-only loops. Average power constraints were determined by electromagnetic simulations. Cine imaging was performed on eight healthy subjects. Geometrical factor (g-factor) maps were calculated to assess acceleration performance. Signal-to-noise ratio (SNR)-scaled images were reconstructed for different combinations of receive channels, to demonstrate the SNR benefits of combining loops and dipoles.<h4>Results</h4>The overall image quality of the cardiac functional images was rated a 2.6 on a 4-point scale by two experienced radiologists. ImagingMagma (New York, N.Y.)An 8-channel Tx/Rx dipole array combined with 16 Rx loops for high-resolution functional cardiac imaging at 7 T.PMC581306813783Klomp DWJvan den Berg CATHabets JLeiner TRaaijmakers AJELuijten PRSteensma BRVoogt IJfalseAn 8-channel Tx/Rx dipole array combined with 16 Rx loops for high-resolution functional cardiac imaging at 7 T.<h4>Objective</h4>To demonstrate imaging performance for cardiac MR imaging at 7 T using a coil array of 8 transmit/receive dipole antennas and 16 receive loops.<h4>Materials and methods</h4>An 8-channel dipole array was extended by adding 16 receive-only loops. Average power constraints were determined by electromagnetic simulations. Cine imaging was performed on eight healthy subjects. Geometrical factor (g-factor) maps were calculated to assess acceleration performance. Signal-to-noise ratio (SNR)-scaled images were reconstructed for different combinations of receive channels, to demonstrate the SNR benefits of combining loops and dipoles.<h4>Results</h4>The overall image quality of the cardiac functional images was rated a 2.6 on a 4-point scale by two experienced radiologists. Imaging2018-01-01T00:00:00Z2018 Feb2025-04-26T06:52:31.224Z2019-03-26T23:03:42ZS-EPMC58130682917777210.1007/s10334-017-0665-5