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Abstract #1532

Temporal Changes in Calculated Values of Longitudinal and Transverse Magnetisation Time Constant Values, T1 and T2*, for Fetal and Adult Simulated Subdural Haematoma

Peter Wright1, Hannah Webley2, Andrew Fry1, and Elspeth Whitby2

1MIMP, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom, 2Academic Unit of Reproductive and Developmental medicine, University of Sheffield, Sheffield, United Kingdom

Subdural haematoma (SDH) resulting from traumatic brain injury relating to non accidental head injury is unfortunately relatively common in the UK at 36 per 100000 incidence in children < 6 months old. However, adult models are used when aging SDH. This study aimed to compare calculated relaxation time constants, T2* and T1 of fetal and adult blood samples in a simulated SDH for data acquired daily over 28 days. Significant differences between fetal and adult were found in T2* and T1 values for week 1 and weeks 1, 3 and 4 respectively.

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