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Transpedicular Approach on a Novel Spine Simulator: A Validation Study
David Fürst1, Marianne Hollensteiner1, Stefan Gabauer1
1Research Group for Surgical Simulators Linz, Upper Austria University of Applied Sciences, Linz, Austria.
Journal of Surgical Education
|February 4, 2018
Summary
This study validates a new spine simulator for surgical training. The simulator accurately assesses image-guided surgery skills and differentiates expertise levels, proving effective for medical education.
Area of Science:
- Medical Simulation
- Surgical Training
- Spine Surgery
Background:
- Simulation is increasingly popular in medical training.
- Most existing simulators focus on laparoscopic or endoscopic procedures.
- There is a need for simulators in specialized surgical areas like spine surgery.
Purpose of the Study:
- To evaluate the validity (face, content, construct, concurrent) of a novel spine simulator.
- To assess the simulator's effectiveness in training image-guided surgery skills.
- To determine if the simulator can accurately differentiate surgical expertise levels.
Main Methods:
- Participants performed a transpedicular surgical access task on a novel spine simulator.
- Validity was assessed using questionnaires, a simulation-based performance score, and specialist ratings.
- 43 participants (novices, intermediates, experts) were grouped by experience.
Main Results:
- Experts significantly outperformed novices and intermediates on the simulation-based performance score (p < 0.01).
- A strong correlation was found between the simulation-based performance score and specialist ratings (R = 0.86, p < 0.01).
- Novices were impressed with the simulator's appearance; intermediates and experts would recommend it.
Conclusions:
- The novel spine simulator is a valid and applicable tool for training image-guided surgery skills.
- The simulator's realistic design enhances its educational value.
- The simulation-based assessment score accurately classifies different levels of surgical expertise.
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