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High-Fidelity Surgical Middle Ear Simulator: A Pilot Study.

Timothy Shim1, Yeshwant Chillakuru, Christina Darwish

  • 1Division of Otolaryngology, George Washington University, Washington, DC.

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|June 26, 2021
PubMed
Summary

A high-fidelity middle ear simulator effectively trained novice surgical trainees, showing significant skill improvement. This tool may aid in selecting and assessing future surgeons before graduation.

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Area of Science:

  • Medical Education
  • Surgical Simulation
  • Otolaryngology

Background:

  • Surgical training requires effective simulation tools for skill development.
  • Novice trainees need objective methods to assess and improve surgical proficiency.
  • Middle ear surgery simulation offers a controlled environment for learning complex procedures.

Purpose of the Study:

  • To evaluate a high-fidelity middle ear simulator as a surgical training tool for novice trainees.
  • To assess the simulator's utility in measuring surgical skill acquisition.
  • To determine if simulator training correlates with objective skill assessment.

Main Methods:

  • A prospective pilot study involving 21 medical and physician assistant students.
  • Participants performed stapedotomies on a high-fidelity middle ear simulator.
  • Skills were assessed using validated objective skills assessment test (OSAT) criteria by expert raters.

Main Results:

  • Strong inter-rater reliability was observed for all assessed skills.
  • Trainees showed significant improvement up to the seventh attempt, with diminishing returns thereafter.
  • Performance on a baseline pegboard test did not correlate with simulator skill improvement.

Conclusions:

  • A high-fidelity middle ear simulator can be a valuable tool for surgical training and assessment.
  • The simulator may assist in selecting surgical trainees and customizing educational pathways.
  • It offers a potential method for evaluating surgical capacity prior to graduation.