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Related Experiment Video

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The Grapefruit: An Alternative Arthroscopic Tool Skill Platform.

David A Molho1, Stephen M Sylvia2, Daniel L Schwartz2

  • 1Albert Einstein College of Medicine, Bronx, New York, U.S.A..

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
|May 16, 2017
PubMed
Summary
This summary is machine-generated.

This study validates the Grapefruit Training Model (GTM) for teaching basic arthroscopic surgical skills. The GTM demonstrates construct validity, offering a low-cost, accessible training tool for surgeons.

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Area of Science:

  • Surgical Education
  • Medical Simulation
  • Orthopaedic Surgery

Background:

  • Validated, low-cost arthroscopic training models are needed.
  • Existing models include box trainers, cadavers, and virtual reality simulators.
  • A novel training platform using a whole grapefruit was developed.

Purpose of the Study:

  • To establish the construct validity of the Grapefruit Training Model (GTM).
  • To assess the GTM's effectiveness in teaching arthroscopic tool skills: triangulation, grasping, precision biting, implant delivery, and ambidexterity.

Main Methods:

  • The GTM utilizes a whole grapefruit with portals for arthroscopic instruments.
  • Nineteen participants (medical students to fellowship-trained surgeons) performed tasks within the grapefruit.
  • Performance was evaluated based on errors, criteria achievement, and time to completion.
  • One-way ANOVA and Tukey post hoc tests analyzed differences between experience groups.

Main Results:

  • Significant differences in time to completion and errors were found between experience groups (P < .001).
  • More experienced groups (B and C) demonstrated significantly better performance (fewer errors, faster completion) than less experienced groups (A and B, respectively).

Conclusions:

  • The Grapefruit Training Model (GTM) is a valid, low-cost, and accessible training tool for basic arthroscopic skills.
  • The GTM effectively differentiates skill levels based on surgical experience.
  • It serves as a valuable addition to the arthroscopic surgical training armamentarium.