Motivation: To present our experience with native T1 mapping in Post-COVID Vaccine-related myocarditis.
Goal(s): To evaluate paediatric native T1 mapping values in Post-COVID Vaccine-related myocarditis
Approach: Data was collated over August 2021 - August 2023 in 15 patients (13 boys and 2 girls), aged 9 to 16 years old. Patients were scanned in a 3 Tesla MRI scanner.
Results: Majority of T1 values ranged 1201-1250ms. 17 segments had T1 values above 1250ms which correlated with LGE, (mostly in the basal region), ranging 1256ms – 1606ms. Thus, we perceived the normal range of T1 values to be 1100ms-1250ms and those above as increased T1 values.
Impact: Our study evaluated the characteristics of post-COVID vaccine-related myocarditis, a relatively new disease, in children aged 9 to 16 years-old using native T1 Mapping at 3T MRI, filling up the current gap in data in paediatric myocardial native T1 values
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