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Introduction: Conventionally, a Glasgow Coma Scale (GCS) score of 13-15 defines mild traumatic brain injury (mTBI). The aim of this study was to identify the factors that predict progression on repeat head computed tomography (RHCT) and neurosurgical intervention (NSI) in patients categorized as mild TBI with intracranial injury (intracranial haemorrhage and/or skull fracture). Methods: This study performed a retrospective chart review of all patients with traumatic brain injury who presented to a level 1 trauma centre. Patients with blunt TBI, an intracranial injury and admission GCS of 13-15 without anti-platelet and anti-coagulation therapy were included. The outcome measures were: progression on RHCT and need for neurosurgical intervention (craniotomy and/or craniectomy). Results: A total of 1800 patients were reviewed, of which 876 patients were included. One hundred and fifteen (13.1%) patients had progression on RHCT scan. Progression on RHCT was 8-times more likely in patients with subdural haemorrhage ≥10 mm, 5-times more likely with epidural haemorrhage ≥10 mm and 3-times more likely with base deficit ≥4. Forty-seven patients underwent a neurosurgical intervention. Patients with displaced skull fracture were 10-times more likely and patients with base deficit >4 were 21-times more likely to have a neurosurgical intervention. Conclusion: In patients with intracranial injury, a mild GCS score (GCS 13-15) in patients with an intracranial injury does not preclude progression on repeat head CT and the need for a neurosurgical intervention. Base deficit greater than four and displaced skull fracture are the greatest predictors for neurosurgical intervention in patients with mild TBI and an intracranial injury. [ABSTRACT FROM AUTHOR]

The type, location, and size of intracranial hemorrhage are known to be associated with variable outcomes in patients with traumatic brain injury (TBI). The aim of our study was to assess the outcomes in patients with isolated epidural hemorrhage (EDH) based on the location of EDH. We performed a 3-year (2010-2012) retrospective chart review of the patients with TBI in our level 1 trauma center. Patients with an isolated EDH on initial head CT scan were included. Patients were divided into four groups based on the location of EDH: frontal, parietal, temporal, and occipital. Differences in demographics and outcomes between the four groups were assessed. Outcome measures were progression on repeat head CT and neurosurgical intervention (NI). A total of 76 patients were included in this study. The mean age was 20.6 ± 15.2 years, 68.4 per cent were male, median Glasgow Coma Scale (GCS) score 15 (13-15), and median head Abbreviated Injury Scale score was 3 (2-4). About 32.9 per cent patients (n = 25) had frontal EDH, 26.3 per cent (n = 20) had temporal EDH, 10.5 per cent (n = 8) had occipital EDH, while the remaining 30.3 per cent (n = 23) had parietal EDH. The overall progression rate was 21.1 per cent (n = 12) and NI rate was 29 per cent (n = 22). There was no difference in the outcome of patients based on location of EDH. Patients with NI had a longer hospital length of stay (P = 0.02) and longer intensive care unit length of stay (P = 0.05). The incidence of isolated EDH is low in patients with blunt TBI. Patients with isolated EDH undergoing NI have longer hospital stays compared to patients without NI. Further investigation is warranted to identify factors associated with need for NI and adverse outcomes in the cohort of patients with isolated EDH. [ABSTRACT FROM AUTHOR]