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Recurrent abdominal pain of gastro-intestinal origin

I Mavromichalis1, T Zaramboukas, P I Richman

  • 1Second Paediatric Department, Aristotelian University of Thessaloniki, AHEPA General Hospital, Greece.

Insights

Recurrent abdominal pain in children often has a gastrointestinal origin, with most patients showing inflammation. This study challenges the psychogenic cause assumption for unexplained pain.

Area of Science:

  • Pediatric Gastroenterology
  • Gastrointestinal Pathology

Background:

  • Recurrent abdominal pain (RAP) is a common pediatric complaint.
  • The etiology of RAP is often unclear, with a psychogenic origin frequently assumed.
  • Gastrointestinal inflammation may be an underdiagnosed cause of RAP.

Purpose of the Study:

  • To investigate the gastrointestinal (GI) origin of recurrent abdominal pain in children.
  • To determine the prevalence of upper GI inflammatory lesions in children with RAP.
  • To explore the association between Helicobacter pylori and RAP.

Main Methods:

  • Endoscopic biopsies of the esophagus, stomach, and duodenum were performed on 71 children with RAP.
  • Histopathological examination of biopsies identified inflammatory lesions and H. pylori colonization.
  • Data were analyzed to correlate GI findings with the presence of RAP.

Main Results:

  • 66 out of 71 children (93%) exhibited inflammatory lesions, including esophagitis, gastritis (cardiac, body, antral), and duodenitis.
  • A gastric ulcer was found in one patient.
  • Helicobacter pylori colonization was identified in 5 children, with associated gastritis in 4.

Conclusions:

  • The study provides strong evidence for a gastrointestinal origin of RAP in children.
  • Findings challenge the assumption that unexplained RAP is primarily psychogenic.
  • While H. pylori was present, a direct association with RAP was not established in this cohort.

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