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Pediatric traumatic brain injury: not just little adults
Christopher C Giza1, Richard B Mink, Andranik Madikians
1Division of Neurology, Department of Pediatrics, Mattel Children's Hospital at UCLA, Los Angeles, California, USA. cgiza@mednet.ucla.edu
Insights
Pediatric traumatic brain injury (TBI) differs significantly in developing brains. Research highlights unique responses and potential benefits from specific interventions in children.
Area of Science:
- Neuroscience
- Pediatric Medicine
- Traumatology
Background:
- The developing brain exhibits unique characteristics compared to the mature brain.
- Pediatric traumatic brain injury (TBI) necessitates understanding age-specific responses.
Purpose of the Study:
- To review recent clinical and basic science findings in pediatric TBI.
- To highlight age-dependent differences in brain injury response and management.
Main Methods:
- Literature review of recent clinical research.
- Synthesis of basic science findings related to pediatric TBI.
Main Results:
- Developing brains show increased apoptosis, unique metabolic/flow parameters, and altered neuroplasticity post-TBI.
- Anesthetics and anticonvulsants may increase neuronal apoptosis in young brains.
- Interventions like decompressive craniectomy and hypothermia may benefit pediatric TBI patients.
Conclusions:
- Age-dependent guidelines are crucial for physiological monitoring and management of pediatric TBI.
- Pharmacological interventions and intracranial pressure management require age-specific considerations.
- Facilitating functional recovery in pediatric TBI necessitates tailored approaches.
Purpose Of Review:
This review will update the reader on the most significant recent findings with regards to both the clinical research and basic science of pediatric traumatic brain injury.
Recent Findings:
The developing brain is not simply a smaller version of the mature brain. Studies have uncovered important distinctions of the younger brain after traumatic brain injury, including an increased propensity for apoptosis, age-dependent parameters for cerebral blood flow and metabolism, development-specific biomarkers, increased likelihood of early posttraumatic seizures, differential sensitivity to commonly used neuroactive medications and altered neuroplasticity during recovery from injury. Specifically, there is strong preclinical evidence for increased neuronal apoptosis in the developing brain being triggered by anesthetics and anticonvulsants, making it paramount that future studies more clearly delineate preferred agents and specific indications for use, incorporating long-term functional outcomes as well as short-term benefits. In addition, the young brain may actually benefit from therapeutic interventions that have been less effective following adult traumatic brain injury, such as decompressive craniectomy and hypothermia.
Summary:
An increasing body of evidence demonstrates the importance of establishing age-dependent guidelines for physiological monitoring, pharmacological intervention, management of intracranial pressure and facilitating recovery of function.
