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Refining How We Define Laparoscopic Expertise.

Aodhnait S Fahy1, Luai Jamal1, Brian Carrillo1

  • 11 Division of General and Thoracic Surgery, Hospital for Sick Children, Toronto, Canada.

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PubMed
Summary
This summary is machine-generated.

Expert video assessment offers a more refined method for evaluating surgical simulation skills than traditional case number stratification. This approach, analyzing force analysis parameters (FAP), better distinguishes between novice, intermediate, and expert laparoscopic surgeons.

Keywords:
expertiseforcelaparoscopicpediatricsimulation

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Area of Science:

  • Surgical Education
  • Medical Simulation
  • Psychomotor Skill Assessment

Background:

  • Traditional methods for stratifying expertise in laparoscopic simulation rely on case numbers.
  • This study explores whether expert video assessment can offer a more precise evaluation of psychomotor expertise.

Purpose of the Study:

  • To investigate the efficacy of expert video assessment in refining the discrimination of psychomotor expertise in laparoscopic surgery simulation.
  • To compare traditional stratification methods with video assessment using measurable parameters.

Main Methods:

  • 105 participants performed a standardized intracorporeal suturing task in a force-sensing laparoscopic simulator.
  • Participants were stratified by case numbers, self-declaration, and expert video rating.
  • Precision, time to completion, and force analysis parameters (FAP) were analyzed.

Main Results:

  • Stratification by case numbers or self-declaration showed differences in task completion time but not in FAP.
  • Expert video assessment successfully discriminated between skill levels using both task completion time and FAP (total, mean forces across axes).
  • Precision did not differentiate skill levels across any stratification method.

Conclusions:

  • Expert video assessment provides a more refined discrimination of psychomotor expertise in surgical simulation compared to traditional methods.
  • Force analysis parameters (FAP) show potential as a valuable tool for teaching and assessing laparoscopic skills.