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Updated: Jul 26, 2025

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
Published on: July 11, 2025
A novel approach to improving colonoscopy learning efficiency through a colonoscope roaming system: randomized
Dandan Ning1, Huiyong Geng2, Jingming Guan1
1Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang Province, China.
The Colonoscope Roaming System (CRS) e-learning tool effectively trained beginner colonoscopists. Participants using CRS showed improved post-training scores and examination performance compared to traditional methods.
Area of Science:
- Medical Education
- Gastroenterology
- Simulation Technology
Background:
- Colonoscopy is crucial for lower digestive tract disease diagnosis and treatment.
- Training novice colonoscopists is time-consuming and faces patient consent challenges.
- E-learning offers a flexible, self-paced solution for endoscopy training.
Purpose of the Study:
- To develop and evaluate the effectiveness of the Colonoscope Roaming System (CRS) e-learning software for colonoscopy training.
- To assess the impact of CRS on beginner colonoscopists' skills through subjective and objective measures.
Main Methods:
- A randomized controlled trial compared an e-learning group (EG) using CRS with a control group (CG) using traditional methods.
- Participants underwent pretest and posttest evaluations, including a colonoscopy examination.
- The EG also completed a satisfaction questionnaire regarding the CRS.
Main Results:
- No significant pretest score differences were observed between the EG and CG.
- Posttest scores and colonoscopy examination performance were significantly higher in the EG (p < 0.001 and p < 0.01, respectively).
- 86.25% of participants expressed satisfaction with the CRS.
Conclusions:
- The Colonoscope Roaming System (CRS) demonstrates effectiveness in enhancing colonoscopy skills for beginners.
- E-learning, specifically through CRS, offers a promising avenue for improving endoscopy training programs.
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