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Related Experiment Videos

Skill retention following proficiency-based laparoscopic simulator training.

Dimitrios Stefanidis1, James R Korndorffer, Rafael Sierra

  • 1Tulane Center for Minimally Invasive Surgery, Tulane University School of Medicine, New Orleans, LA 70112-2699, USA.

Surgery
|September 13, 2005
PubMed
Summary
This summary is machine-generated.

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Surgical residents retain skills learned through virtual reality (VR) and videotrainer (VT) simulators, though retention is better with VT. Proficiency-based training leads to durable laparoscopic skills.

Area of Science:

  • Medical Education
  • Surgical Simulation
  • Laparoscopic Skills Training

Background:

  • Proficiency-based curricula using virtual reality (VR) and videotrainer (VT) simulators are effective for surgical training.
  • Little is known about the long-term retention of skills acquired through these simulation methods.

Purpose of the Study:

  • To assess the retention of laparoscopic skills after completion of a validated proficiency-based curriculum.
  • To compare skill retention between VR and VT simulators.

Main Methods:

  • Fourteen surgery residents with no prior VR/VT experience practiced tasks until proficiency.
  • Skill assessment occurred at baseline, post-training, and at a 7-month retention interval.
  • One VR task (diathermy manipulation) and one VT task (bean drop) were evaluated.

Related Experiment Videos

Main Results:

  • Residents achieved proficiency in all curriculum tasks.
  • An initial performance decrement was observed at posttest (17%-45%), followed by skill maintenance.
  • Skill retention was significantly better for VT compared to VR (P < .02).

Conclusions:

  • Proficiency-based simulator training results in durable laparoscopic skills, although not all skills are retained.
  • Skill retention is superior with VT compared to VR simulators.
  • Further research is needed to optimize curriculum design and improve skill retention.