Effect of Simulator Practice on Trainees' Endoscopic Retrograde Cholangiopancreatography (ERCP) Performance in the Early Learning Period

Patients Undergoing ERCP Examination

mechanical simulator, ERCP, training

In a RCT, mechanical simulator practice enhances clinical ERCP performance of novice trainees during the first 3 months of usual ERCP training.

Background: The impact of mechanical simulator practice on clinical ERCP performance has not been reported. Hypothesis: Practice with mechanical simulator improves clinical ERCP performance of novice trainees. Design: A prospective randomized controlled trial. Method: 8 trainees without prior ERCP experience from 2 hospitals attended didactic lectures on ERCP. They were randomized in pairs (per hospital) to receive simulator practice and usual training (S) versus usual training only as control (C). Simulator practice included selective bile and pancreatic duct cannulation using a catheter and/or guide wire with different artificial papillae (flat, standard, dual channels) and settings (standard, rotated papilla or duodenum), and exchange of guide wire/accessories and biliary stenting. Local trainers tracked trainees' subsequent clinical ERCP performance for 3 months. Evaluation of trainee skills included success of diagnostic CBD and deep CBD cannulation. Trainer blinded to the randomization provided assessment (1=poor, 5=excellent) of each trainee performed ERCP. Statistics: Fisher exact test and Mann-Whitney U test.

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