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Updated: Jun 3, 2025
Author Spotlight: Detection and Treatment of Helicobacter pylori Infection
Published on: July 28, 2023
UTILITY OF ENDOSCOPIC NARROW-BAND IMAGING FOR IDENTIFYING H. PYLORI-ASSOCIATED GASTRITIS IN CHILDREN
Pooja Semwal1, Rishi Bolia2, Nowneet Kumar Bhat1
1Division of Paediatric Gastroenterology, Department of Paediatrics, All India Institute of Medical Sciences, Rishikesh, India.
Narrow band imaging (NBI) improves detection of Helicobacter pylori (H. pylori) gastritis in children compared to white light endoscopy. NBI findings correlate with H. pylori presence but not its severity.
Area of Science:
- Gastroenterology
- Pediatric Endoscopy
- Microbiology
Background:
- Conventional white light endoscopy (WLE) for H. pylori gastritis lacks specificity.
- Narrow band imaging (NBI) offers enhanced visualization of gastric mucosal patterns.
- NBI may improve the identification of H. pylori-associated gastritis.
Purpose of the Study:
- To evaluate NBI's role in detecting H. pylori-associated gastritis in children.
- To assess NBI's ability to classify the severity of H. pylori gastritis.
- To compare NBI's diagnostic performance against WLE.
Main Methods:
- Prospective observational study of children with chronic abdominal pain.
- Gastroscopy with NBI and biopsies for H. pylori detection (histopathology, rapid urease test).
- NBI findings graded using Alboudy et al. classification; association with H. pylori presence and severity analyzed.
Main Results:
- H. pylori detected in 32% of pediatric patients.
- NBI identified mucosal abnormalities in 93.1% of H. pylori positive cases.
- Higher NBI grades correlated significantly with H. pylori presence (P<0.001).
- NBI sensitivity (0.82) surpassed WLE (0.55) for H. pylori gastritis detection.
- NBI showed a higher area under the curve (0.79) than WLE (0.65).
Conclusions:
- NBI's morphological patterns are valuable for identifying H. pylori-associated gastritis in children.
- NBI enhances diagnostic accuracy compared to conventional WLE.
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