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Updated: May 26, 2025

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Validation of the Toronto Upper Gastrointestinal Cleaning Score in children

Łukasz Dembiński1, Lorenzo Norsa2, Sian Copley3

  • 1Department of Pediatric Gastroenterology and Nutrition, Medical University of Warsaw, Warsaw, Poland.

Journal of Pediatric Gastroenterology and Nutrition
|February 23, 2025
PubMed

Insights

The Toronto Upper Gastrointestinal Cleaning Score (TUGCS) is a reliable tool for assessing pediatric gastroscopy quality. This validated method ensures consistent upper GI mucosal visualization in children.

Area of Science:

  • Pediatric Gastroenterology
  • Endoscopic Quality Assessment
  • Gastrointestinal Imaging

Background:

  • Gastroscopy is crucial for examining the upper GI tract in children.
  • A validated method for assessing pediatric gastroscopy quality is currently lacking.
  • Standardized endoscopic scales enhance study quality and inter-center consistency.

Purpose of the Study:

  • To validate the Toronto Upper Gastrointestinal Cleaning Score (TUGCS) for pediatric gastroscopy.
  • To assess the reliability and consistency of the TUGCS in a pediatric population.

Main Methods:

  • A multicenter, prospective, single-masked study involving 10 European centers.
  • Seventeen endoscopists assessed prerecorded pediatric gastroscopies using the TUGCS.
  • Statistical analysis included inter-rater, intra-rater correlations, and Cronbach's alpha for internal consistency.

Main Results:

  • The TUGCS showed high within-rater consistency (0.64) and excellent test-retest reliability (0.97).
  • High internal consistency was confirmed (Cronbach's α = 0.95).
  • No significant differences in TUGCS assessment were noted based on endoscopist experience, specialization, age, or gender.

Conclusions:

  • The TUGCS is a reliable and validated tool for evaluating upper GI mucosal visualization quality in pediatric patients.
  • The score is easy to learn and useful for clinical trials and standardization.
Abstract

Keywords:
gastroscopypediatricspreparation for examinationquality of examinationvisualization

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