Prevalence, Evolution, and Extent of Impaired Cerebral Autoregulation in Children Hospitalized With Complex Mild Traumatic Brain Injury

Objectives: To examine cerebral autoregulation in children with complex mild traumatic brain injury. Design: Prospective observational convenience sample. Setting: PICU at a level I trauma center. Patients: Children with complex mild traumatic brain injury (trauma, admission Glasgow Coma Scale score 13–15 with either abnormal head CT, or history of loss of consciousness). Interventions: Cerebral autoregulation was tested using transcranial Doppler ultrasound between admission day 1 and 8. Measurements and Main Results: The primary outcome was prevalence of impaired cerebral autoregulation (autoregulation index

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