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Abstract #2455

Dynamic T 1 -Quantification in Small Rodents: A Retrospective Approach with Variable Temporal Resolution

Fabian Tobias Gutjahr 1 , Thomas Kampf 1 , Xavier Helluy 1 , Patrick Winter 2 , Christian Herbert Ziener 3 , Peter Michael Jakob 1,4 , and Wolfgang Rudolf Bauer 5

1 Experimental Physics 5, University of Wuerzburg, Wuerzburg, Bavaria, Germany, 2 Experimental Physics 5, University of Wuerzburg, Bavaria, Germany, 3 DKFZ, Heidelberg, Baden Wuerttemberg, Germany, 4 Magnetic Resonance Bavaria, Wuerzburg, Bavaria, Germany, 5 Medizinische Klinik und Poliklinik I, Universitaetsklinikum Wuerzburg, Wuerzburg, Bavaria, Germany

A retrospectively triggered approach to high temporal resolution dynamic T1 quantification in small rodent myocardium is demonstrated. An inversion recovery snapshot FLASH method is used. The retrospective approach allows to correct for drift in the triggering and to chose the highest temporal resolution afforded by SNR. A Manganese Enhanced MRI (MEMRI) experiment in rats is shown. The drift in triggering is corrected automatically and a temporal resolution of 66s is achieved.

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