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Abstract #3105

Identifying tissue changes of “normal-appearing” myocardium in pediatric myocarditis patients using quantitative T1 and T2 mapping techniques

Haipeng Wang1, Bin Zhao2, Cuiyan Wang1, Tianyi Qian3, Guangbin Wang2, Jing An4, Fei Gao2, Andreas Greiser5, and Junyu Zhao6

1Shandong Medical Imaging Research Institute, Ji'nan, People's Republic of China, 2Shandong Medical Imaging Research Institute, 3Siemens Healthcare, MR Collaborations NE Asia, Beijing, People's Republic of China, 4Siemens SSMR, APPL, 5Siemens Healthcare, Application Development, Erlangen, Germany, 6Shandong Provincial Qianfoshan Hospital

This study aimed to identify diffuse myocardial tissue changes in pediatric myocarditis patients by applying T1 and T2 mapping techniques. The correlations between T1 and T2 values and cardiac function were assessed. Abnormal post-contrast T1 values and extracellular volume (ECV) of “normal appearing” myocardium in pediatric myocarditis patients were found and were correlated with left ventricular cardiac function and stroke volume (SV) in children with chronic myocarditis.

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