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Related Experiment Videos

FLS simulator performance predicts intraoperative laparoscopic skill.

A L McCluney1, M C Vassiliou, P A Kaneva

  • 1Steinberg-Bernstein Centre for Minimally Invasive Surgery, McGill University Health Centre, 1650 Cedar Avenue, #L9.309, Montreal, Quebec, H3G 1A4, Canada.

Surgical Endoscopy
|June 27, 2007
PubMed
Summary
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Laparoscopic simulator performance predicts surgical skill. A cutoff score of 70 on the Fundamentals of Laparoscopic Surgery (FLS) test accurately identifies surgeons with expert intraoperative performance.

Area of Science:

  • Surgical Education
  • Minimally Invasive Surgery
  • Medical Simulation

Background:

  • Laparoscopic simulators are increasingly used for surgical training and assessment.
  • A definitive link between simulator performance and actual operative skill remains to be established.

Purpose of the Study:

  • To test the hypothesis that performance on a laparoscopic simulator predicts intraoperative laparoscopic skill.
  • To determine if simulator scores can reliably indicate a surgeon's proficiency in the operating room.

Main Methods:

  • 40 surgeons (novice, intermediate, experienced) were assessed using the Fundamentals of Laparoscopic Surgery (FLS) simulator and the Global Operative Assessment of Laparoscopic Skill (GOALS) intraoperatively.
  • Statistical analyses included ANOVA, linear regression, and ROC curve analysis to evaluate the predictive value of FLS scores on GOALS scores.

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Main Results:

  • FLS and GOALS scores significantly increased with surgical experience.
  • FLS scores were a significant independent predictor of intraoperative GOALS scores (correlation coefficient 0.77, p < 0.001).
  • An FLS cutoff score of 70 demonstrated high sensitivity (91%) and specificity (86%) for predicting expert-level intraoperative performance.

Conclusions:

  • Fundamentals of Laparoscopic Surgery (FLS) simulator scores are independently predictive of intraoperative laparoscopic skill.
  • An FLS score of 70 is a validated cutoff for identifying surgeons with expert-level operative performance.
  • Further prospective studies are recommended to confirm these findings.