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Updated: Jul 15, 2026
03:43
Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
Published on: July 11, 2025
Factors associated with the technical performance of colonoscopy: An EPAGE Study
J K Harris1, F Froehlich, V Wietlisbach
1Institute of Social & Preventive Medicine, University of Lausanne, Rue du Bugnon 17, CH-1005 Lausanne, Switzerland.
Summary
Colonoscopy quality varies, with private centers and senior endoscopists improving complete colonoscopies and adenoma detection. Difficult procedures increase examination time, highlighting areas for quality improvement.
Area of Science:
- Gastroenterology
- Health Services Research
Background:
- Variations in colonoscopy practices may indicate differences in healthcare quality.
- Colonoscopy is a crucial diagnostic and screening tool for colorectal diseases.
Purpose of the Study:
- To identify factors associated with key colonoscopy quality indicators.
- Investigate determinants of complete colonoscopy, adenomatous polyp diagnosis, and procedure duration.
Main Methods:
- Prospective observational study involving 6,004 patients from 21 centers in 11 countries.
- Utilized multivariable regression analyses to determine factors influencing quality indicators.
Main Results:
- Patients from private, open-access centers had higher odds of complete colonoscopy (OR: 3.17).
- Centers with >50% senior endoscopists showed increased adenoma diagnosis likelihood and longer withdrawal times (OR: 1.08).
- Procedural difficulties prolonged cecum intubation and withdrawal durations (TR: 2.87 and 1.26, respectively).
Conclusions:
- Several factors, both modifiable and non-modifiable, are linked to colonoscopy quality.
- Identifying patients at risk for lower quality colonoscopy is possible through non-modifiable factors.
- Modifiable factors present opportunities to enhance colonoscopy quality and patient outcomes.
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