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Mental practice enhances surgical technical skills: a randomized controlled study.

Sonal Arora1, Rajesh Aggarwal, Pramudith Sirimanna

  • 1Department of Surgery and Cancer, Imperial College London, St. Mary's Hospital, Praed Street, London, UK. Sonal.Arora06@imperial.ac.uk

Annals of Surgery
|January 20, 2011
PubMed
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Mental practice (MP) significantly improved laparoscopic surgery performance in novice surgeons compared to traditional lectures. This cognitive strategy enhances surgical skills and may improve patient care.

Area of Science:

  • Surgical Education
  • Medical Simulation
  • Cognitive Psychology

Background:

  • Patient safety concerns necessitate innovative surgical training methods beyond the operating room.
  • Mental practice (MP), the cognitive rehearsal of a task, is a proven skill-enhancement technique in sports and music.
  • This study explores MP's efficacy in improving laparoscopic surgery skills.

Purpose of the Study:

  • To evaluate the impact of mental practice on the technical performance of novice surgeons during virtual reality laparoscopic cholecystectomy.
  • To determine if mental practice offers a superior training method compared to didactic online lectures.

Main Methods:

  • Twenty novice surgeons underwent baseline skills assessment and virtual reality (VR) training.
  • Participants were randomized into a mental practice group or a control group (online lecture).

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  • Technical performance was assessed using the Objective Structured Assessment of Technical Skills (OSATS) during five VR laparoscopic cholecystectomies, with mental imagery also evaluated.

    • Main Results:

    • No baseline differences were observed between groups.
    • The mental practice group demonstrated significantly superior technical performance across all five laparoscopic cholecystectomies compared to the control group.
    • Enhanced mental imagery in the MP group correlated positively with improved surgical performance.

    Conclusions:

    • This randomized controlled trial provides the first evidence that mental practice enhances surgical performance in VR laparoscopic cholecystectomy.
    • MP represents a potentially time- and cost-effective adjunct to traditional surgical training.
    • Implementing MP could lead to improved patient outcomes through enhanced surgical skills.