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Optimizing training cost-effectiveness of simulation-based laparoscopic inguinal hernia repairs.

Roberto Hernández-Irizarry1, Benjamin Zendejas1, Shahzad M Ali1

  • 1Department of Surgery, College of Medicine, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA.

American Journal of Surgery
|December 9, 2015
PubMed
Summary

Part-task (PT) training for laparoscopic inguinal hernia repair is more cost-effective than whole-task (WT) training. PT simulation-based training leads to faster skill acquisition and better skill retention.

Keywords:
Contextual interferenceInguinal hernia repairsLaparoscopyMotor learning theoryRetentionSimulation-based training

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Area of Science:

  • Surgical Education
  • Medical Simulation
  • Motor Learning Theory

Background:

  • Motor learning theory supports part-task (PT) training for complex skills over whole-task (WT) training.
  • Randomized practice within PT enhances skill retention and transfer.

Purpose of the Study:

  • To compare the efficacy of part-task (PT) versus whole-task (WT) simulation-based training for laparoscopic inguinal hernia repair.
  • To evaluate skill acquisition, retention, and transfer between PT and WT training methods.

Main Methods:

  • General surgery residents were randomized to either PT or WT mastery learning simulation-based training.
  • Training time, resource utilization, skill retention at 1 month, and intraoperative performance were compared.

Main Results:

  • Part-task (PT) training resulted in significantly faster mastery acquisition (17 minutes less) and reduced costs ($121 per learner).
  • PT trainees demonstrated higher skill retention rates at 1-month follow-up (59% vs. 22.7%).
  • No significant differences in intraoperative performance or time were observed between groups.

Conclusions:

  • Randomized part-task (PT) simulation-based training is a more cost-effective approach for laparoscopic inguinal hernia repair.
  • PT training improves learning efficiency and long-term skill retention compared to WT training.