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Related Experiment Video

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Porcine As a Training Module for Head and Neck Microvascular Reconstruction
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A non-living, effective model for microvascular training.

Cristina Pires Camargo1, Daniel Imbassahy de Sa Bittencourt de Camara E Silva2, Fauze Camargo Maluf3

  • 1PhD, Division of Plastic Surgery, Department of Surgery, School of Medicine, Universidade de São Paulo (USP), Brazil. Intellectual and scientific content of the study, interpretation of data, statistical analysis, manuscript writing, critical revision.

Acta Cirurgica Brasileira
|January 11, 2018
PubMed
Summary

This study presents a novel, non-animal microvascular training model using ox tongues. The model proved feasible and enhanced trainee confidence in microsurgical skills.

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Area of Science:

  • Surgical training and simulation
  • Microsurgery
  • Vascular anatomy

Background:

  • Microsurgical skills are critical but require extensive, often animal-based, training.
  • A need exists for accessible, ethical, and cost-effective training models.
  • Vascular anatomy variations present challenges in surgical training.

Purpose of the Study:

  • To introduce a novel, nonliving microvascular training model.
  • To assess the feasibility of the model based on vessel diameter and accessibility.
  • To evaluate the model's effectiveness in improving trainee confidence.

Main Methods:

  • Ten ox tongues were dissected, with pedicles divided into proximal, middle, and distal segments.
  • External vessel diameters were measured descriptively.
  • Beginner and intermediate-level students performed microsurgical anastomoses using the model, with confidence assessed via Likert scale.

Main Results:

  • Ox tongue pedicles provided accessible vessels with measurable diameters (e.g., proximal artery 3.9 ± 0.7mm, vein 5.04 ± 1.44mm).
  • Ten anastomoses were successfully performed by the trainees.
  • A statistically significant increase in trainee confidence (p=0.03) was observed post-training.

Conclusions:

  • The developed ox tongue model is a feasible non-animal alternative for microsurgical training.
  • The model effectively enhances confidence levels in both beginner and intermediate trainees.
  • This approach offers a reproducible and ethical method for practicing microvascular anastomoses.