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Step By Step: Microsurgical training method combining two nonliving animal models
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Chicken wing training model for endoscopic microsurgery.

Ignacio Jusue-Torres1, Sananthan Sivakanthan1, Carlos Diogenes Pinheiro-Neto2

  • 1Department of Neurological Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States.

Journal of Neurological Surgery. Part B, Skull Base
|January 18, 2014
PubMed
Summary

This study validates an inexpensive chicken wing model for practicing endoscopic endonasal microsurgery. The model effectively improves surgical skills, reducing task completion time significantly with practice.

Keywords:
chicken wing dissectionendoscopic surgical skillstraining model

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Area of Science:

  • Surgical Education
  • Microsurgery Training
  • Endoscopic Procedures

Background:

  • Developing proficiency in endoscopic endonasal microsurgery requires realistic simulation.
  • Current training models may be costly or lack fidelity.
  • Objective assessment of skill acquisition is crucial for surgical training.

Purpose of the Study:

  • To introduce and validate a novel ex vivo chicken wing model for endoscopic endonasal microsurgical skill development.
  • To assess the efficacy of the model in improving surgical task performance.
  • To provide an accessible and cost-effective training tool for microsurgeons.

Main Methods:

  • A simulated surgical environment was created using a chicken wing model.
  • Participants performed four sequential microsurgical tasks: skin incision, neurovascular sheath exposure, sheath opening, and nerve-artery separation.
  • Task completion times were recorded over 10 training sessions.

Main Results:

  • Average task completion time decreased from 48.8 minutes in the first session to 22.4 minutes by the tenth session.
  • All participants demonstrated statistically significant improvements in performance.
  • Kaplan-Meier analysis indicated a 50% improvement was achieved within an average of five attempts.

Conclusions:

  • The ex vivo chicken wing model is a cost-effective and realistic platform for endoscopic dissection training.
  • The model facilitates measurable skill improvement in microsurgical techniques.
  • This simulation offers a valuable adjunct for surgical education in endoscopic endonasal procedures.