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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