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Related Experiment Video

Updated: Feb 19, 2026

Mixed Reality Assisted Radical Endoscopic Thyroidectomy
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Mixed Reality Assisted Radical Endoscopic Thyroidectomy

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Measuring Decision-Making During Thyroidectomy: Validity Evidence for a Web-Based Assessment Tool.

Amin Madani1, Jordan Gornitsky2, Yusuke Watanabe3

  • 1Department of Surgery, McGill University Health Centre, 1650 Cedar Avenue, Rm D6-257, Montreal, QC, H3G 1A4, Canada. amin.madani@mail.mcgill.ca.

World Journal of Surgery
|November 8, 2017
PubMed
Summary

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This summary is machine-generated.

Objective metrics were developed to assess surgical decision-making during thyroidectomy, showing high reliability and validity. This tool can objectively evaluate surgeon cognitive skills, improving patient safety and outcomes.

Area of Science:

  • Surgical Education
  • Medical Simulation
  • Cognitive Skill Assessment

Background:

  • Thyroidectomy errors can cause recurrent laryngeal nerve injury and other complications.
  • Evaluating intraoperative decision-making skills, crucial for patient outcomes, is challenging due to a lack of objective methods.
  • Advanced cognitive skills in surgery require robust assessment tools.

Purpose of the Study:

  • To develop objective metrics for evaluating advanced cognitive skills during thyroidectomy.
  • To obtain validity evidence for these novel assessment metrics.
  • To create an interactive online platform for surgical skill evaluation.

Main Methods:

  • Developed an interactive online learning platform (www.thinklikeasurgeon.com).
  • Created a 33-item assessment based on cognitive task analysis and expert consensus.

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  • Utilized a visual concordance test (VCT) with video frames and short answer (SA) questions for scoring.

    • Main Results:

    • The assessment demonstrated high test-retest reliability (ICC=0.96) and internal consistency (Cronbach's α=0.93).
    • Significant differences in scores were observed between novice, intermediate, and expert surgeons (p<0.01).
    • Scores strongly correlated with total case numbers (ρ=0.95 for total score).

    Conclusions:

    • Novel metrics and a web-based platform were developed to objectively assess thyroidectomy decision-making.
    • Validity evidence supports the use of these metrics for evaluating surgical cognitive skills.
    • This tool can aid in surgical training and performance assessment.