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Establishing In Situ Closed Circuit Perfusion of Lower Abdominal Organs and Hind Limbs in Mice

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Reperfused human cadaver as a new simulation model for colonoscopy: a pilot study.

A Rohr¹, C Perrenot^2,3, A Pitta¹

¹Gastroenterology and Digestive Oncology Department, Centre Hospitalier Universitaire de Reims, Hospital Robert Debré, Rue du Général Koenig, 51100, Reims, France.

Surgical Endoscopy

|November 28, 2022

Summary

The reperfused human cadaver is a valid simulator for colonoscopy training. This model demonstrated high realism and educational value, making it suitable for developing gastrointestinal endoscopy skills.

Keywords:

Education, medical Endoscopy, gastrointestinal Learning curve Simulation training

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Area of Science:

Medical Simulation
Gastrointestinal Endoscopy Training
Surgical Education

Background:

The reperfused human cadaver is an established surgical simulator.
This study investigated its utility as a colonoscopy simulator.

Purpose of the Study:

To evaluate the construct validity of a reperfused human cadaver model for colonoscopy training.
To assess the model's realism, educational content, and participant task load.

Main Methods:

Novice, intermediate, and skilled participants performed colonoscopies on the cadaver model.
Key metrics included reaching rates, time to anatomical landmarks, and validated survey instruments (SRS, CVS, NASA-TLX).

Main Results:

Skilled participants demonstrated significantly faster times to reach the rectosigmoid junction and descending colon.
The model received highly favorable ratings for realism and educational content.
Task load increased with lower participant experience levels.

Conclusions:

The reperfused human cadaver model shows significant potential as a valid simulation tool for diagnostic colonoscopy training.
Its high realism and educational value support its use in skill development for gastrointestinal endoscopy.