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Related Experiment Video

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Reducing the number of animals used for microsurgery training programs by using a task-trainer simulator.

P Guerreschi1, A Qassemyar, J Thevenet

  • 1French National Center for Rare Cranio-maxillofacial Malformations, Lille University Hospital, Lille, France.

Laboratory Animals
|December 25, 2013
PubMed
Summary

A new simulation program for microsurgery training significantly reduces the number of animals needed for vascular anastomosis practice. This innovative approach enhances surgical skills while adhering to the 3R principles of humane experimental techniques.

Keywords:
3Rs (reduceanimal welfaremedical educationmicrosurgeryrefinereplace)simulation

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Area of Science:

  • Medical Education
  • Surgical Training
  • Animal Research Ethics

Background:

  • Microsurgery requires extensive training, including complex in vivo procedures on animal models.
  • Current training methods often necessitate a high number of animals, raising ethical concerns.
  • The 3R principles (Replacement, Reduction, Refinement) guide efforts to minimize animal use in research.

Purpose of the Study:

  • To introduce and evaluate a novel simulation program for microsurgery training.
  • To assess the program's effectiveness in reducing animal usage during vascular anastomosis training.
  • To demonstrate a cost-efficient and user-friendly simulation tool for surgical residents.

Main Methods:

  • A task-trainer simulation program was developed with progressive difficulty levels and a scoring system.
  • Two groups of surgical residents (Group A: traditional training, Group B: simulation-first training) were compared.
  • The number of animals (rats) used and the success rate of vascular anastomoses were recorded for both groups.

Main Results:

  • Group B, utilizing the simulation program, required significantly fewer animals (77 rats) compared to Group A (149 rats).
  • Both groups successfully achieved permeable vascular anastomoses.
  • The simulation program required an average of 6 hours for validation before in vivo training.

Conclusions:

  • The developed simulation program effectively reduces animal use in microsurgery training.
  • This approach aligns with ethical guidelines for humane experimental techniques.
  • Integrating simulation tools is crucial for efficient and ethical mastery of microsurgical skills.