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A Case of Delayed-Onset Posthypoxic Leukoencephalopathy in a Pediatric Patient

Kristen Smolinsky1, Ivona Sediva2

  • 1Brown University Pediatric Program, Hasbro Children's Hospital, Providence, RI, USA.

Child Neurology Open
|September 6, 2018
PubMed

Insights

A severe traumatic brain injury case shows delayed-onset posthypoxic leukoencephalopathy. This condition emerged after initial recovery, highlighting the importance of monitoring neurological status post-injury.

Area of Science:

  • Neuroscience
  • Trauma Surgery

Background:

  • Severe traumatic brain injury (TBI) following motor vehicle accidents presents significant management challenges.
  • Early management includes advanced life support, neuroimaging, and surgical interventions.

Purpose of the Study:

  • To report a rare case of delayed-onset posthypoxic leukoencephalopathy after severe TBI.
  • To discuss the clinical presentation, diagnostic findings, and potential mechanisms of this complication.

Main Methods:

  • Case presentation of a 16-year-old female with severe TBI.
  • Details of initial management including intubation, decompressive hemicraniectomy, and neuroprotective strategies.
  • Serial neuroimaging (CT and MRI) and clinical assessments to monitor neurological status.

Main Results:

  • The patient initially improved after decompressive surgery and neuroprotective care.
  • On hospital day 8, she developed acute neurological deterioration with confusion and combativeness.
  • MRI revealed restricted diffusion consistent with delayed-onset posthypoxic leukoencephalopathy.

Conclusions:

  • Delayed-onset posthypoxic leukoencephalopathy is a rare but serious complication following severe TBI.
  • This case underscores the need for vigilance and continuous neurological monitoring even after initial recovery.
  • Further research is needed to elucidate the pathophysiology and optimize treatment strategies for this condition.

Keywords:
Posthypoxic Leukoencephalopathyaltered mental status, pediatricsevere hypoxic brain injury

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