Directly Observed Polypectomy Skills (DOPyS) is a validated tool used to assess polypectomy skills in the UK(1). DOPyS has 34 parameters measuring technical & non-technical polypectomy skills and an overall polypectomy proficiency score on which a trainee is scored on a grade of 1-4. Trainees are certified as competent in level 1 (<1cm) & level 2 (1-2cm) polypectomy if they achieve overall scores 3 or 4 in their last 4 consecutive DOPyS, alongside other key performance indicators. Stable colonoscope position, tip control, cecal intubation rate (CIR), variability in endoscopic technique & time spent to examine the polypectomy site have all been suggested as factors critical in competent polypectomy(2), however, there is currently no literature on trainees’ skill-set or learning curve required to achieve safe & competent polypectomy.
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