Role and Diagnostic Yield of Upper Endoscopy in Children With Chronic Abdominal Pain

Chronic Abdominal Pain in Children, Pediatric Gastrointestinal Disorders, Upper Endoscopy

Chronic abdominal pain, Paediatric abdominal pain, Functional abdominal pain, Organic gastrointestinal disease, Children, Alarm symptoms, Upper gastrointestinal endoscopy, Paediatric gastroenterology, Esophagogastroduodenoscopy

Chronic abdominal pain is a common problem in children and may be caused by functional or organic gastrointestinal disorders. While many children have no identifiable structural disease, some may have conditions that can be detected by upper gastrointestinal endoscopy. This study aims to evaluate the role and diagnostic outcome of upper gastrointestinal endoscopy in children presenting with chronic abdominal pain at Assiut University Children Hospital. Children aged 18 years or younger who have had abdominal pain for at least three months and who undergo upper gastrointestinal endoscopy as part of their routine medical care will be included. Clinical symptoms, alarm features, endoscopic findings, and biopsy results will be analyzed to determine how often endoscopy identifies an organic cause of pain. The results of this study may help guide the appropriate use of endoscopy in the evaluation of chronic abdominal pain in children.

Chronic abdominal pain in children represents a frequent and challenging clinical problem. Although the majority of affected children suffer from functional gastrointestinal disorders, a significant proportion may have underlying organic diseases such as gastritis, gastroesophageal reflux disease, peptic ulcer disease, celiac disease, or other inflammatory conditions. Differentiating between functional and organic causes is essential to guide appropriate management and avoid unnecessary investigations. Upper gastrointestinal endoscopy allows direct visualization of the esophagus, stomach, and duodenum, as well as the ability to obtain tissue biopsies for histopathological evaluation. Despite its diagnostic potential, the routine use of endoscopy in children with chronic abdominal pain remains controversial, particularly in the absence of alarm symptoms. Current guidelines suggest that endoscopy should be reserved for selected patients, but data on its diagnostic yield in pediatric populations remain limited. This analytic cross-sectional observational study will be conducted at the Pediatric Gastroenterology and Hepatology Unit of Assiut University Children Hospital over a one-year period from January 2026 to December 2026. The study will include children aged 18 years or younger who present with chronic abdominal pain lasting at least three months and who undergo upper gastrointestinal endoscopy as part of their clinical evaluation. All enrolled patients will undergo detailed clinical assessment, including medical history, evaluation of abdominal pain characteristics, presence of dyspeptic symptoms, and identification of alarm features such as weight loss, poor growth, gastrointestinal bleeding, persistent vomiting, chronic diarrhea, unexplained fever, abdominal mass, or organomegaly. Pain severity will be assessed using a standardized pain scoring scale. Physical examination findings and relevant laboratory investigations performed prior to endoscopy will be recorded. Upper gastrointestinal endoscopy findings, including esophageal, gastric, and duodenal abnormalities, will be documented. Biopsy specimens obtained during the procedure will be examined histopathologically, and the results will be correlated with clinical and endoscopic findings. The primary outcome of the study is the diagnostic yield of upper gastrointestinal endoscopy, defined as the proportion of patients with abnormal endoscopic and/or histopathological findings. Secondary outcomes include the pattern of endoscopic diagnoses and the association between alarm features and abnormal findings. Data will be analyzed using appropriate statistical methods to describe clinical characteristics and outcomes. The findings of this study are expected to provide valuable insight into the usefulness of upper gastrointestinal endoscopy in children with chronic abdominal pain and may help refine clinical decision-making regarding its appropriate use in pediatric practice.

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