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Delayed intracranial hypertension and cerebral edema in severe pediatric head injury: risk factor analysis

Carlos Bennett Colomer1, Felipe Solari Vergara, Felipe Tapia Perez

  • 1Department of Neurosurgery, Hospital Carlos Van Buren, Valparaíso, Chile. Carlos.Bennett@gmail.com

Pediatric Neurosurgery
|April 11, 2013
PubMed

Insights

Delayed intracranial hypertension (IH) is common in severe pediatric traumatic brain injury (TBI). Initial brain edema on CT scans is a significant risk factor for this condition in children.

Area of Science:

  • Pediatric neurosurgery
  • Trauma critical care
  • Neurology

Background:

  • Diffuse brain edema is a primary cause of intracranial hypertension (IH) after traumatic brain injury (TBI).
  • Delayed elevations in intracranial pressure (ICP) occur in a subset of TBI patients, potentially more frequently in children.
  • Understanding the temporal evolution of IH is crucial for effective management in pediatric TBI.

Purpose of the Study:

  • To investigate the incidence and risk factors of delayed intracranial hypertension in severe pediatric traumatic brain injury.
  • To compare the characteristics of patients with and without delayed IH.
  • To inform clinical practice regarding ICP monitoring duration in pediatric TBI.

Main Methods:

  • Retrospective review of severe pediatric TBI cases over a 6-year period.
  • Classification of patients based on ICP evolution: no IH, immediate IH, or delayed IH.
  • Statistical analysis to identify risk factors associated with delayed IH.

Main Results:

  • 31 severe pediatric TBI cases were analyzed (13 female, 18 male; average age 8.9 years).
  • Four patients (13%) met criteria for delayed IH; presence of edema on initial CT scan was a significant risk factor (p=0.008).
  • Three additional patients showed deterioration and brain edema after ICP monitoring was discontinued.

Conclusions:

  • Late-onset IH is a notable clinical entity in severe pediatric TBI, occurring in 13% of cases in this series.
  • A Marshall III CT scan on admission is a significant risk factor for delayed IH.
  • Prolonged ICP monitoring may be beneficial for pediatric TBI patients, especially if brain edema persists on follow-up CT.
Abstract

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