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Previous head injury is a risk factor for subsequent head injury in children: a longitudinal cohort study

Bonnie R Swaine1, Camille Tremblay, Robert W Platt

  • 1School of Rehabilitation, Université de Montréal, Montréal, Québec, Canada. bonnie.swaine@umontreal.ca

Pediatrics
|April 4, 2007
PubMed

Insights

Children who experience a head injury are at increased risk for future head injuries. This study confirms that a prior head injury significantly elevates the risk of subsequent head injuries in children.

Area of Science:

  • Pediatric Emergency Medicine
  • Neurotrauma Research
  • Public Health

Background:

  • Head injuries in children are a significant concern.
  • Understanding risk factors for recurrent head injuries is crucial for prevention.

Purpose of the Study:

  • To investigate if children treated for a head injury have a higher risk of subsequent head injuries within 6 and 12 months.
  • To compare this risk against children treated for non-head injuries.

Main Methods:

  • Longitudinal cohort study in pediatric emergency departments.
  • Interviewed parents of 11,867 injured children (aged 1-18) at 6 and 12 months.
  • Assessed subsequent head injury using parental recall and physician claims data.

Main Results:

  • Children with an initial head injury were at higher risk for a subsequent head injury within 6 months.
  • 245 and 386 children sustained repeat head injuries within 6 and 12 months, respectively.
  • Confounding factors like age and gender had a weak effect; the risk remained substantial.

Conclusions:

  • A previous head injury substantially increases a child's risk of experiencing another head injury.
  • This finding highlights the importance of monitoring and preventive strategies for children with head injuries.
Abstract

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