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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