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Step By Step: Microsurgical training method combining two nonliving animal models
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Phonomicrosurgery simulation: A low-cost teaching model using easily accessible materials.

Elizabeth A Zambricki1, Jennifer L Bergeron2, Elizabeth E DiRenzo2

  • 1Department of Otolaryngology, Stanford University, School of Medicine, Stanford, California, U.S.A.. kwangs@stanford.edu.

The Laryngoscope
|April 24, 2016
PubMed
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This study introduces a low-cost phonomicrosurgical trainer using accessible materials. The model effectively improved microlaryngeal surgical skills for trainees at all levels.

Area of Science:

  • Medical Education
  • Surgical Simulation
  • Otolaryngology

Background:

  • Phonomicrosurgery requires specialized training for vocal fold procedures.
  • Developing accessible and effective surgical simulation models is crucial for resident education.
  • Current training methods may not adequately prepare all residents for complex microlaryngeal surgeries.

Purpose of the Study:

  • To introduce a novel, low-cost phonomicrosurgical trainer.
  • To evaluate the effectiveness of this simulation model in improving microlaryngeal surgical skills.
  • To assess the impact of the trainer across different training levels.

Main Methods:

  • A simulation model was developed using a grape, gelatin, microscope, and microlaryngeal instruments.
  • Thirty otolaryngology trainees performed simulated vocal fold lesion excision and injection tasks.
Keywords:
Phonomicrosurgerymicrolaryngeal surgeryskill assessmentsurgical educationsurgical simulation

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  • Objective performance metrics and subjective participant surveys were analyzed pre- and post-simulation.

    • Main Results:

    • Statistically significant improvements were observed in all objective surgical skill variables, including instrument handling and tissue manipulation.
    • 100% of participants reported increased comfort and decreased intimidation with microlaryngeal instruments and procedures.
    • Intern trainees showed the most notable improvements in skills and confidence.

    Conclusions:

    • This low-cost, accessible phonomicrosurgical trainer is effective for resident education.
    • The simulation model can be used to introduce novice trainees and enhance skills of senior residents.
    • The trainer provides a valuable tool for preparing residents for phonomicrosurgical procedures.