[Ascite and head trauma in a child]

C Laplace1, M Bonnard-Gougeon

  • 1Service de chirurgie infantile, Hôtel-Dieu, avenue Vercingétorix, BP 69, 63003 Clermont-Ferrand 1, France. laplace.christophe@wanadoo.fr

Insights

A pediatric brain injury case revealed unexpected ascites, likely due to central beta-sympathetic hyperactivity. This condition resolved spontaneously within weeks, highlighting a novel trauma complication.

Area of Science:

  • Pediatric Traumatology
  • Neurocritical Care
  • Gastroenterology

Background:

  • Traumatic brain injury (TBI) in pediatric patients can lead to complex systemic complications.
  • Ascites, the accumulation of fluid in the peritoneal cavity, is an uncommon finding post-trauma.

Observation:

  • An 11-month-old boy sustained a severe TBI with right frontal lobe contusion and bleeding after a fall.
  • Ascites developed 6 days post-trauma, confirmed as transudative fluid via CT, with no identified abdominal lesions.
  • The ascites resolved spontaneously by day 19 post-trauma.

Findings:

  • The ascites was hypothesized to be mediated by beta-sympathetic hyperactivity originating from the central nervous system.
  • This suggests a potential link between TBI severity and autonomic nervous system dysregulation affecting fluid balance.
  • Sequential echography demonstrated progressive improvement and eventual resolution of the ascites.

Implications:

  • This case highlights a rare, potentially overlooked complication of pediatric TBI.
  • It underscores the importance of considering central nervous system-mediated autonomic dysfunction in unexplained post-traumatic ascites.
  • Further research into the neuro-autonomic pathways involved in post-TBI fluid dysregulation is warranted.

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