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Qualitative and Quantitative Assessment of Invasive Surgery Skill Based on a Custom Training Simulator.

Shichao Liang1, Long Li2, Bin Yang2

  • 1School of Life Science, Beijing Institute of Technology, Beijing, China.

Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists
|June 14, 2023
PubMed
Summary

This study developed a custom simulator to assess endovascular surgery skills, offering objective metrics for training. The simulator effectively differentiates between expert and novice performance, aiding surgical education.

Keywords:
3D printinginvasive surgerymock circulation loopquantitative assessmentsurgery training simulator

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Area of Science:

  • Biomedical Engineering
  • Medical Simulation
  • Surgical Training

Background:

  • Evaluating endovascular surgery skills is crucial for effective training.
  • Current assessment methods may lack objective performance metrics.

Purpose of the Study:

  • To establish a custom simulator for qualitative and quantitative assessment of endovascular performance.
  • To provide objective metrics for endovascular surgery skill training.

Main Methods:

  • A simulator was developed using an in vitro silicone phantom, mock circulation, and force-sensing modules.
  • Expert and novice groups performed simulated carotid artery guidewire delivery tasks.
  • Support vector machine (SVM) and Mahalanobis distance (MD) were used for qualitative and quantitative assessments, respectively.

Main Results:

  • Significant differences in kinematic and force data were observed between experts and novices.
  • Experts completed tasks faster and with higher maximum speeds than novices.
  • Qualitative assessment accuracy reached 96.67% for task 1 and 90% for task 2.

Conclusions:

  • The custom simulator provides valuable qualitative and quantitative metrics for endovascular intervention performance.
  • This simulator can serve as a useful tool for future interventional surgical training.