title: Upper endoscopic findings in children with recurrent abdominal pain: high prevalence of hiatus hernia.
abstract: OBJECTIVE
  Recurrent abdominal pain (RAP) by itself is one of the common reasons in child-aged patients to refer to a clinician. Some of these patients are presented with more serious features, so-called the "red flag". The most important issue in management of RAP is to distinguish the type of it, whether it is functional or organic. In this study we aimed to assess the redundancy of red-flagged RAP with findings of esophago-gastro-deudonoscopy.
  
  
  METHODS
  In a 2 year prospective study 150 consecutive children with RAP who showed red flags underwent esophago-gastro-deudonoscopy. The prevalence of each finding was recorded. Overall positive predictive value of predicting an endoscopic finding while having a red-flag was calculated.
  
  
  RESULTS
  Among all the patients, 126 cases showed at least a positive finding in their endoscopy that corresponded to the positive predictive value of 84% for predicting the presence of an endoscopic finding according to red flags. Interestingly, 20% of patients showed hiatus hernia when surveyed.
  
  
  CONCLUSIONS
  Comprehensive physical examination is needed to avoid performing esophago-gastro-deudonoscopy without indication in patients with recurrent abdominal pain.
authors: Department of Pediatrics, Tehran University of Medical Sciences, Tehran, Iran ; Pediatrics Center of Excellence, Children's Medical Center, Tehran, Iran.
authors: Farzaneh
authors: F
authors: Motamed
authors: Sayna
authors: S
authors: Norouzi
authors: Mehri
authors: M
authors: Najafi
authors: Ahmad
authors: A
authors: Khodadad
authors: Fatemeh
authors: F
authors: Farahmand
authors: Sara
authors: S
authors: Mossahebi
authors: Giv
authors: G
authors: Heidari-Bateni
keywords: Children; Esophago-Gastro-Deudonoscopy; Hiatus Hernia; Recurrent Abdominal Pain
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