A novel dry model for practicable sphincterotomy and precut needle knife sphincterotomy

Area of Science:

• Gastroenterology
• Medical Simulation
• Surgical Training

Background:

• Endoscopic retrograde cholangiopancreatography (ERCP) procedures like endoscopic sphincterotomy (ES) and needle knife precut sphincterotomy (NKP) require specialized training.
• Developing realistic and accessible simulation models is crucial for improving procedural skills and patient safety.

Purpose of the Study:

• To develop and evaluate a novel simulation dry model for training in ES and NKP.
• To assess the model's realism, usefulness, and procedural success rates in a hands-on training setting.

Main Methods:

• Utilized an ERCP trainer as a base for simulating the duodenum, bile duct, and papilla.
• Created a simulated papilla using rolled uncured ham for performing ES and NKP.
• Conducted hands-on training with 22 endoscopists, evaluating procedural success and gathering feedback via questionnaire.

Main Results:

• High procedural success rates were observed: 97% for ES (33/34 attempts) and 100% for NKP (7/7 attempts).
• Participants rated the model's realism highly, with median scores of 7 for ES and 8 for NKP (on a 1-10 scale).
• The dry model was deemed useful for ES and NKP training by participants.

Conclusions:

• The simulation dry model using uncured ham offers a realistic training environment for ES and NKP.
• This cost-effective and accessible model is a valuable tool for enhancing endoscopist skills in these critical procedures.