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Updated: Jun 24, 2025

A Pediatric Concussion Model in Mice: Closed Head Injury with Long-Term Disorders (CHILD)
Published on: February 7, 2025
Child with Closed Head Injury and Persistent Vomiting
1Sidra Medical and Research Centre, Department of Emergency Medicine, Doha, Qatar.
Insights
A child with autism experienced persistent vomiting after a head injury. Abdominal imaging revealed ingested magnets causing internal fistulas, highlighting the need to consider intra-abdominal issues in such cases.
Area of Science:
- Pediatric Gastroenterology
- Pediatric Surgery
- Autism Spectrum Disorder
Background:
- Vomiting after closed head injury (CHI) can indicate serious intracranial pathology.
- Persistent vomiting warrants investigation for intra-abdominal causes, particularly in children with developmental challenges.
Purpose of the Study:
- To report a rare case of enteroenteric fistula caused by ingested magnets in a child with autism and CHI.
- To emphasize the importance of considering unwitnessed foreign body ingestion in children with autism presenting with persistent vomiting post-CHI.
Main Methods:
- Case report of a six-year-old child with autism presenting with persistent vomiting after CHI.
- Diagnostic imaging including head CT and abdominal radiography.
- Surgical intervention for enteroenteric fistula secondary to magnet ingestion.
Main Results:
- Head CT was normal, ruling out intracranial hemorrhage.
- Abdominal radiography revealed multiple ingested rare-earth magnets.
- Enteroenteric fistula formation was identified as the cause of persistent vomiting.
Conclusions:
- Persistent vomiting after CHI in children with autism necessitates a thorough evaluation for intra-abdominal pathology.
- Rare-earth magnet ingestion can lead to severe complications like enteroenteric fistulas.
- Developmentally challenged children are at higher risk for unwitnessed foreign body ingestions.
Case Presentation:
We present the case of a six-year-old child with autism who presented with persistent vomiting in the setting of a closed head injury (CHI). Computed tomography of the head was normal, but due to persistent vomiting a radiograph of the abdomen was done, which showed multiple, rare-earth magnets in the abdomen. There was no history of witnessed ingestion. These magnets had caused enteroenteric fistula formation leading to persistent vomiting.
Discussion:
In the setting of CHI, vomiting can be a sign of concussion or intracranial hemorrhage. In cases of CHI where intracranial pathology is ruled out and vomiting still persists, it is important to explore intra-abdominal causes of vomiting, especially in developmentally challenged children as they have higher incidence of unwitnessed foreign body ingestions.
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