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Comparison of learning curves and cross-over effects using articulating laparoscopic instruments versus standard
Jean-Paul Bereuter1,2, Maximiliano Emmanuel Ceron Malpica3,4, Mark Enrik Geissler5,3
1Department of Visceral, Thoracic and Vascular Surgery, Faculty of Medicine and University Hospital Carl Gustav Carus, TUD Dresden University of Technology, Fetscherstraße 74, 01307, Dresden, Germany. jean-paul.bereuter@ukdd.de.
Articulating laparoscopic instruments (ALI) show a slower initial learning curve but effectively transfer skills to standard laparoscopic instruments (SLI). Training with ALI enhances dexterity and can be integrated into surgical education.
Area of Science:
- Minimally Invasive Surgery
- Surgical Simulation
- Medical Education Technology
Background:
- Novel articulating laparoscopic instruments (ALI) offer enhanced dexterity, mimicking robotic systems at lower costs.
- Comparative data on ALI learning curves and performance versus standard laparoscopic instruments (SLI) are limited.
- This study evaluates ALI training and performance in a simulated surgical environment.
Purpose of the Study:
- To investigate the learning curve and performance of articulating laparoscopic instruments (ALI) compared to standard laparoscopic instruments (SLI).
- To assess the transferability of skills acquired using ALI to SLI.
- To evaluate the impact of ALI on surgical training and education.
Main Methods:
- Fifty-three medical students trained using a modified Fundamentals of Laparoscopic Surgery (FLS) curriculum, randomized to ALI or SLI.
- Learning curves for Peg transfer and suture tasks were tracked until proficiency.
- Performance was assessed via peak force, motion metrics, task time, error rates, and workload (SURG-TLX).
Main Results:
- The ALI group exhibited a slower learning curve for Peg transfer tasks (task time, peak force, path length).
- Final assessments showed comparable peak force but increased path length and task time with ALI.
- Error rates and workload scores did not significantly differ between ALI and SLI groups.
Conclusions:
- While ALI present a steeper learning curve, skills acquired with them transfer effectively to standard laparoscopic procedures.
- The enhanced dexterity and accessibility of ALI support their integration into surgical training programs.
- ALI training can improve overall laparoscopic surgical skill acquisition and proficiency.
