• Meredith L Borland, Stuart R Dalziel, Natalie Phillips, Sarah Dalton, Mark D Lyttle, Silvia Bressan, Ed Oakley, Amit Kochar, Jeremy Furyk, John A Cheek, Jocelyn Neutze, Nitaa Eapen, Stephen Jc Hearps, Vanessa C Rausa, Franz E Babl, and Paediatric Research in Emergency Departments International Collaborative (PREDICT) group.
• Emergency Department, Perth Children's Hospital, Perth, Western Australia, Australia.
• Emerg Med Australas. 2023 Apr 1; 35 (2): 289296289-296.

ObjectiveIncidence and short-term outcomes of clinically important traumatic brain injury (ciTBI) in head-injured children presenting to ED with post-traumatic seizure (PTS) is not described in current literature.MethodsPlanned secondary analysis of a prospective observational study undertaken in 10 Australasian Paediatric Research in Emergency Departments International Collaborative (PREDICT) network EDs between 2011 and 2014 of head-injured children <18 years with and without PTS. Clinical predictors and outcomes were analysed by attributable risk (AR), risk ratios (RR) and 95% confidence interval (CI), including the association with Glasgow Coma Scale (GCS) scores.ResultsOf 20 137 head injuries, 336 (1.7%) had PTS with median age of 4.8 years. Initial GCS was 15 in 268/336 (79.8%, AR -16.1 [95% CI -20.4 to -11.8]), 14 in 24/336 (7.1%, AR 4.4 [95% CI 1.6-7.2]) and ≤13 in 44/336 (13.1%, AR 11.7 [95% CI 8.1-15.3]) in comparison with those without PTS, respectively. The ciTBI rate was 34 (10.1%) with PTS versus 219 (1.1%) without PTS (AR 9.0 [95% CI 5.8-12.2]) with 5/268 (1.9%), 6/24 (25.0%) and 23/44 (52.3%) with GCS 15, 14 and ≤13, respectively. In PTS, rates of admission ≥2 nights (34 [10.1%] AR 9.0 [95% CI 5.8-12.3]), intubation >24 h (9 [2.7%] AR 2.5 [95% CI 0.8-4.2]) and neurosurgery (8 [2.4%] AR 2.0 [95% CI 0.4-3.7]), were higher than those without PTS. Children with PTS and GCS 15 or 14 had no neurosurgery, intubations or death, with two deaths in children with PTS and GCS ≤13.ConclusionsPTS was uncommon in head-injured children presenting to the ED but associated with an increased risk of ciTBI in those with reduced GCS on arrival.© 2022 The Authors. Emergency Medicine Australasia published by John Wiley & Sons Australia, Ltd on behalf of Australasian College for Emergency Medicine.

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