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Why do children vomit after minor head injury?

F D Brown1, J Brown, T F Beattie

  • 1Accident and Emergency Department, The Royal Hospital for Sick Children, Edinburgh. fibrown@telstra.easymail.com.au

Journal of Accident & Emergency Medicine
|August 2, 2000
PubMed
Summary

Vomiting after minor head injury in children is linked to personal history, not injury specifics. This suggests intrinsic factors influence vomiting, requiring further study for management decisions.

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Area of Science:

  • Pediatric Emergency Medicine
  • Neurology
  • Clinical Research

Background:

  • Minor head injuries are common in children.
  • Vomiting is a frequent symptom, but its significance in minor head injury management is debated.
  • Identifying predictive factors for vomiting is crucial for clinical decision-making.

Purpose of the Study:

  • To investigate factors associated with vomiting post-minor head injury in pediatric patients.
  • To clarify the role of vomiting in guiding management strategies for pediatric head injuries.

Main Methods:

  • Prospective study of pediatric patients with minor head injury.
  • Data collection included demographics, injury characteristics, and personal/family medical history (migraine, recurrent vomiting, motion sickness).

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  • Statistical analysis (chi-squared and Fisher's exact tests) used to correlate vomiting with identified factors.

    • Main Results:

    • 15.8% of 463 pediatric patients with minor head injury experienced vomiting.
    • Vomiting was significantly associated with a personal history of recurrent vomiting (p=0.0035) and motion sickness (p=0.036).
    • No significant association found between vomiting and specific head injury features like scalp hematoma or skull fracture.

    Conclusions:

    • Vomiting after pediatric minor head injury appears primarily linked to individual intrinsic factors.
    • The findings suggest that a history of recurrent vomiting or motion sickness may predispose children to vomiting after head injury.
    • Further research is needed to define the precise role of vomiting in the clinical management of pediatric head injuries.