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Related Experiment Video

Updated: Nov 1, 2025

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A new basic thoracoscopic surgical skill training and assessment system using automatic scoring techniques.

Jian Zhou1,2,3,4, Hu Liao1,2,3,4, Zhangyu Lin2

  • 1Department of Thoracic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Chengdu, Sichuan, 610041, China.

Surgical Endoscopy
|June 25, 2021
PubMed
Summary

The Huaxi Intelligent Thoracoscopic Skill Training and Assessment (HITSTA) system offers automatic scoring for surgical skills. This new system demonstrated better discrimination of thoracoscopic surgical skill levels compared to traditional manual scoring methods.

Keywords:
Automatic assessmentSurgical trainingThoracoscopy

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Area of Science:

  • Medical Education
  • Surgical Training
  • Medical Technology

Background:

  • Thoracoscopic surgery requires specialized skills.
  • Objective assessment of surgical proficiency is crucial for effective training.
  • Current manual assessment methods can be subjective and time-consuming.

Purpose of the Study:

  • To introduce the Huaxi Intelligent Thoracoscopic Skill Training and Assessment (HITSTA) system, which utilizes automatic scoring techniques.
  • To evaluate the discriminative ability of the HITSTA system compared to conventional manual scoring.

Main Methods:

  • Retrospective collection of training data from 39 board-certified thoracic surgeons.
  • Simultaneous assessment of surgeons using the HITSTA system and human examiners.
  • Bland-Altman analysis to compare automatic and manual scoring agreement.
  • Comparison of differentiation ability between the two scoring methods across three surgical tasks.

Main Results:

  • The HITSTA system showed significant differences in scores based on training status and duration for the 'suture with knot' task.
  • Automatic scoring by HITSTA could discriminate skill levels related to training status and duration for total scores.
  • While not fully consistent with manual scoring, HITSTA demonstrated potential in differentiating skill levels.

Conclusions:

  • The HITSTA system shows promise in objectively assessing and discriminating varying levels of thoracoscopic surgical skills.
  • HITSTA may offer a more effective alternative to traditional manual scoring methods.
  • Further validation through larger prospective studies is recommended to confirm the system's differentiation capabilities.