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Updated: Jul 13, 2026

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
Published on: July 11, 2025
Intensive training over 5 days improves colonoscopy skills long-term.
S Thomas-Gibson1, P Bassett, N Suzuki
1Wolfson Unit for Endoscopy, St. Mark's Hospital, Harrow, Middlesex, UK. siwan@doctors.org.uk
An intensive, hands-on colonoscopy training course significantly improved doctors' skills and knowledge, with these gains sustained long-term. This demonstrates the effectiveness of the accelerated colonoscopy training week (ACTW) in enhancing colonoscopy competency.
Area of Science:
- Medical Education
- Gastroenterology
- Surgical Skills Training
Background:
- Concerns regarding colonoscopy service quality and colorectal cancer screening necessitate robust training.
- High-quality colonoscopy training and competency assessment are crucial for effective screening programs.
Purpose of the Study:
- To evaluate the effectiveness of a 1-week intensive hands-on colonoscopy training course.
- To assess the impact of novel assessment tools on colonoscopy skills.
Main Methods:
- A prospective study of 21 doctors with varied experience attending an accelerated colonoscopy training week (ACTW).
- Assessment included knowledge (MCQ), simulator performance, Direct Observation of Procedural Skills (DOPS), and video analysis of insertion technique.
- Training and assessment were conducted by two independent trainers at baseline, post-course, and at 9-month follow-up.
Main Results:
- Significant improvements were observed in MCQ scores (P < 0.001) and simulator test case times (P = 0.02, P = 0.003).
- Global DOPS scores also showed significant improvement (P < or = 0.02).
- All performance enhancements were sustained at the 9-month follow-up.
Conclusions:
- This study presents the first evidence of a positive, sustained impact from an intensive hands-on colonoscopy training course.
- The training course effectively improved performance in key colonoscopy skill acquisition areas.
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