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Abstract #0530

Synthetic T1rho dispersion imaging for improved myocardial tissue characterization using dispersion reconstruction

Maximilian Gram1,2, Daniel Gensler1,3, Patrick Winter1,2, Michael Seethaler2,3, Peter Jakob2, and Peter Nordbeck1,3
1Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany, 2Experimental Physics 5, University of Würzburg, Würzburg, Germany, 3Comprehensive Heart Failure Center (CHFC), University Hospital Würzburg, Würzburg, Germany

T dispersion imaging is a very time-consuming process because full T-mapping at different spin-lock amplitudes is required. Due to this issue, investigation of T dispersion is hardly feasible in the limited measurement time of a small animal experiment. In this work, we present a novel approach for the rapid measurement of cardiac T dispersion called dispersion reconstruction. With our new concept a T dispersion image is generated by only acquiring a fraction of the required mapping data. Phantom and in vivo experiments confirm the applicability of our new method as part of a conventional protocol for small animal studies.

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