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Comparative Study
Journal Article
Comparison of Adult and Pediatric Surgeons: Insight into Simulation-Based Tools That May Improve Expertise Among Experts.
BACKGROUND: Laparoscopic models are increasingly recognized as important tools in surgical training. The purpose of this study was to compare pediatric and adult laparoscopic surgical skills, and gain insight into the upskilling in both groups.
MATERIALS AND METHODS: Adult- and pediatric-sized laparoscopic simulators were fitted with custom-built motion tracking hardware and software. Participants were recruited at the Education Booth of the 2012 combined SAGES/IPEG meeting. They each performed 1 adult and 1 pediatric intracorporeal suturing task. Velocity, acceleration, and range were studied in all degrees of freedom available during laparoscopic surgery (pitch, yaw, roll, and surge). Participants were stratified by expertise based on the traditional metrics of self-reported caseloads.
RESULTS: A total of 57 participants (15 novices, 7 intermediates, and 35 experts) were recruited. Experts had significantly higher extreme events in three of the four degrees of freedom when using the pediatric simulator than when using the adult simulator. Few significant differences were seen when comparing novice and intermediate performances on the adult versus pediatric simulator. Linear regression showed no difference between adult and pediatric experts tested on the adult or pediatric simulator.
CONCLUSIONS: Experts were more challenged with the pediatric than with the adult suturing task. No difference was noted for overall averaged performance metrics comparing adult and pediatric experts suturing in adult versus pediatric simulators. As a participant's level of expertise improves, a model progressing from larger to smaller domains in the performance of defined laparoscopic tasks may, by virtue of its greater challenge, encourage psychomotor development.
MATERIALS AND METHODS: Adult- and pediatric-sized laparoscopic simulators were fitted with custom-built motion tracking hardware and software. Participants were recruited at the Education Booth of the 2012 combined SAGES/IPEG meeting. They each performed 1 adult and 1 pediatric intracorporeal suturing task. Velocity, acceleration, and range were studied in all degrees of freedom available during laparoscopic surgery (pitch, yaw, roll, and surge). Participants were stratified by expertise based on the traditional metrics of self-reported caseloads.
RESULTS: A total of 57 participants (15 novices, 7 intermediates, and 35 experts) were recruited. Experts had significantly higher extreme events in three of the four degrees of freedom when using the pediatric simulator than when using the adult simulator. Few significant differences were seen when comparing novice and intermediate performances on the adult versus pediatric simulator. Linear regression showed no difference between adult and pediatric experts tested on the adult or pediatric simulator.
CONCLUSIONS: Experts were more challenged with the pediatric than with the adult suturing task. No difference was noted for overall averaged performance metrics comparing adult and pediatric experts suturing in adult versus pediatric simulators. As a participant's level of expertise improves, a model progressing from larger to smaller domains in the performance of defined laparoscopic tasks may, by virtue of its greater challenge, encourage psychomotor development.
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