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Separation anxiety as a mediator between acute morphine administration and PTSD symptoms in injured children

Glenn Saxe1, Meaghan Geary, Katherine Bedard

  • 1Department of Child and Adolescent Psychiatry, Dowling 1 North One Boston Medical Center Place, Boston, MA 02118-2393, USA. glenn.saxe@bmc.org

Annals of the New York Academy of Sciences
|August 8, 2006
PubMed

Insights

Morphine given during hospitalization may reduce symptoms of posttraumatic stress disorder (PTSD) in children. This effect appears to be mediated by a decrease in separation anxiety, not pain or noradrenergic activity.

Area of Science:

  • Psychiatry
  • Pediatrics
  • Pharmacology

Background:

  • Hospitalized children experiencing acute injuries are at risk for developing posttraumatic stress disorder (PTSD).
  • Morphine administration during hospitalization has been anecdotally linked to reduced PTSD symptoms, but underlying mechanisms remain unclear.

Purpose of the Study:

  • To investigate potential mediators for the observed association between morphine and reduced PTSD symptoms in pediatric injury patients.
  • To examine the roles of pain reduction, noradrenergic attenuation, and separation anxiety as mediators.

Main Methods:

  • Sixty-one injured children completed assessments for pain, PTSD, and anxiety during hospitalization and 3 months post-discharge.
  • Medical records were reviewed for morphine administration and pulse rates.
  • Pathway analyses were used to test mediation models.

Main Results:

  • A reduction in separation anxiety was identified as a significant mediator.
  • Pain reduction and noradrenergic attenuation did not significantly mediate the relationship between morphine and PTSD symptom reduction.
  • Morphine administration was associated with lower PTSD symptoms at 3 months post-discharge, mediated by reduced separation anxiety.

Conclusions:

  • Separation anxiety reduction is a key mechanism through which morphine may alleviate PTSD symptoms in pediatric injury survivors.
  • Findings suggest targeted interventions for separation anxiety could be beneficial in managing psychological distress after injury.
  • This research informs clinical practice regarding pain management and psychological support for hospitalized children.

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