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Abstract #2644

Assessing myocardial infarct using T 1 and Late Gadolinium Enhancement in vivo

Elias Yl-Herttuala 1 , Svetlana Laidinen 1 , Maarit Pulkkinen 1 , Hanne Hakkarainen 1 , and Timo Liimatainen 1

1 Biomedical Imaging Unit, University of Eastern Finland, A. I. Virtanen instute, Kuopio, Finland

We measured longitudinal rotating frame relaxation time (T 1 lower case Greek rho ) and late gadolinium enhanced (LGE) images in chronic infarct in mouse model. Infarct was induced by ligation of left anterior descending (LAD). Linear association (R 2 =0.94, p < 0.001) between the infarct volumes based on T 1 lower case Greek rho -maps and LGE images were found. We conclude that chronic infarct size can be determined by T 1 lower case Greek rho -mapping in mouse chronic infarct model.

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