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Professional Experience Modulates the Effect of Impulsiveness on Laparoscopic Simulator Performance.

Bas Kengen1, Harry van Goor1, Jan-Maarten Luursema1

  • 1Department of Surgery, Radboud University Medical Center, Nijmegen, GA, The Netherlands.

Journal of Surgical Education
|February 7, 2025
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Summary

High impulsiveness in surgical trainees leads to faster task completion but more damage in simulated laparoscopy. Professional experience mitigates these effects, as experienced surgeons show no performance difference regardless of impulsiveness.

Keywords:
impulsivenesslaparoscopyprofessional experiencesurgical performancesurgical training

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Area of Science:

  • Surgical Education
  • Psychology
  • Human Factors Engineering

Background:

  • High impulsiveness is linked to negative outcomes in various fields, including driving and job performance.
  • In surgical training, impulsiveness correlates with increased damage during simulated laparoscopic procedures.
  • Understanding the influence of impulsiveness on surgical skills is crucial for effective training.

Purpose of the Study:

  • To investigate the impact of professional experience on the relationship between impulsiveness and simulated laparoscopic performance.
  • To determine if experienced surgeons' performance differs from that of inexperienced trainees concerning impulsiveness.

Main Methods:

  • 120 participants (inexperienced and experienced laparoscopic surgeons) performed standardized tasks on a LapSim Virtual Reality trainer.
  • Participants were grouped into high and low impulsiveness based on the UPPSP scale.
  • Mann-Whitney U tests and Spearman's rank correlation were used to analyze performance metrics and impulsiveness facets.

Main Results:

  • Inexperienced trainees with high impulsiveness completed tasks faster but caused more tissue damage.
  • Experienced surgeons showed no significant performance differences related to impulsiveness in task duration or tissue damage.
  • For inexperienced trainees, specific impulsiveness facets like lack of premeditation correlated with speed, while urgency and perseverance issues related to damage.

Conclusions:

  • High impulsiveness negatively impacts laparoscopic simulator performance in inexperienced trainees, increasing speed at the cost of safety.
  • Professional experience appears to buffer the adverse effects of impulsiveness on surgical simulation performance.
  • These findings suggest that experience is a key factor in managing impulsiveness in surgical training.