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Background: Abstract
Esophagogastroduodenoscopy (EGD) is essential for diagnosing and treating upper GI
diseases, making effective training crucial. A commonly used simulator for beginners
involves endoscope tip control on a concave “A to Z” surface, with a completion benchmark of
under 60 seconds. However, optimal training schedules and quality assessment data
remain limited. This study evaluates the impact of short vs. long training sessions on tip
control quality and completion time.
Methods: Thirty-six first-year gastroenterology fellows from the 2024 Gastroenterological Association
of Thailand program were retrospectively analyzed. All received initial instruction in tip
control using standard gastroscopes. Practice duration and frequency were based on
trainee preference and recorded. Performance was assessed at weeks 2 and 4, with ongoing
feedback throughout. Training sessions were categorized as short (15–30 minutes) or long
(30–60 minutes).
Results: Fifteen trainees chose short, frequent sessions (16.3±1.6 min/session, 16 sessions), while
21 opted for long, infrequent ones (40.1±12.1 min/session, 12 sessions). At 2 weeks, the
long-session group had slightly higher tip control scores (2.7±0.5 vs. 2.3±0.3, p=0.04)
(Table). By 4 weeks, the short-session group outperformed the long-session group (3.6±0.5
vs. 2.7±0.5, p<0.001), showing significant improvement over time (p<0.001), unlike the
long-session group which showed no significant improvement (Figure). Completion times
did not differ significantly between groups.
Conclusion: Short, frequent sessions improved tip control more effectively than longer, infrequent ones.
Trainees should adopt shorter, consistent practice to maximize skill development over
a 4-week period.
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