Abstract #3007

Towards Black Blood MRI of the Heart and Large Vessels at 7.0 T: Assessment of Inversion Pulse Quality in Phantom Experiments and In-Vivo Applications

Antonia Barghoorn^1,2, Katharina Paul¹, Till Huelnhagen¹, and Thoralf Niendorf^1,3

¹Berlin Ultrahigh Field Facility (B.U.F.F.), Max Delbrück Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany, ²Technische Universität, Berlin, Germany, ³Experimental and Clinical Research Center (ECRC), a joint cooperation between the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany

Inversion recovery prepared cardiac black blood RARE techniques (IR-RARE) are routinely applied at clinical field strengths while still facing numerous challenges at 7.0 T. Realizing the clinical importance of IR-RARE and the benefits of UHF, this study aims at the design of a double inversion recovery prepared imaging technique at 7.0 T. The inversion efficiency and signal suppression efficiency of hyperbolic secant (HS4 and HS8) inversion pulses were analyzed in phantom experiments. First preliminary in-vivo applications using the implemented HSn pulses showed promising results.

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