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Traumatic brain injury in infants: the phenomenon of subdural hemorrhage with hemispheric hypodensity ("Big Black

Ann-Christine Duhaime1, Susan Durham

  • 1Pediatric Neurosurgery, Children's Hospital at Dartmouth, Dartmouth Hitchcock Medical Center, Lebanon, NH 03756, USA. acd@hitchcock.org

Progress in Brain Research
|July 10, 2007
PubMed

Insights

Infants may experience a unique "big black brain" response to acute subdural hematoma. This pattern likely results from combined stressors during a specific developmental window in immature patients.

Area of Science:

  • Neuroscience
  • Pediatric Traumatology
  • Developmental Biology

Background:

  • Traumatic brain injury (TBI) research predominantly focuses on adults, with limited studies on pediatric TBI.
  • Significant knowledge gaps exist regarding age-specific responses to brain injury.
  • Infants exhibit distinct injury patterns not observed in adults.

Purpose of the Study:

  • To review the distinctive "big black brain" injury pattern in infants resulting from acute subdural hematoma.
  • To explore the pathophysiology and contributing factors of this infant-specific injury.
  • To synthesize current understanding from clinical and experimental evidence.

Main Methods:

  • Review of clinical case observations of infant head injuries.
  • Analysis of experimental studies investigating TBI in immature models.
  • Synthesis of existing literature on acute subdural hematoma in infants.

Main Results:

  • The "big black brain" is a characteristic injury pattern observed in infants with acute subdural hematoma.
  • The pathophysiology involves a complex interplay of factors, not fully elucidated.
  • Evidence suggests a combination of stressors during a critical maturation period is necessary for this injury pattern.

Conclusions:

  • The "big black brain" response in infants is a significant indicator of acute subdural hematoma.
  • Understanding the specific maturational vulnerabilities is crucial for diagnosing and managing TBI in infants.
  • Further research is needed to fully elucidate the mechanisms underlying this unique injury pattern.

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