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Virtual-reality simulation to assess performance in hip fracture surgery
Poul Pedersen1, Henrik Palm, Charlotte Ringsted
1Department of Orthopaedic Surgery , Hospital of Nykøbing F.
Acta Orthopaedica
|May 3, 2014
Summary
This study developed a reliable virtual-reality surgical simulator test for hip fracture fixation. The test effectively differentiates novice and experienced surgeons, ensuring competency before patient practice.
Area of Science:
- Orthopedic Surgery
- Medical Simulation
- Surgical Education
Background:
- Internal fixation of hip fractures is a critical skill for orthopedic surgeons.
- Virtual-reality (VR) training offers potential to enhance surgical skills acquisition.
- A standardized simulation-based test is needed to assess surgeon competency.
Purpose of the Study:
- To develop and validate a reliable simulation-based test for internal fixation of hip fractures.
- To establish credible pass/fail standards for junior surgeons.
- To ensure basic competency before supervised patient practice.
Main Methods:
- Twenty physicians (10 novices, 10 experts) performed 3 hip fracture fixation procedures on a trauma simulator.
- Performance was assessed using predefined simulator metrics.
- Inter-case reliability and validity were evaluated by comparing novice and expert scores.
Main Results:
- The simulation test demonstrated good inter-case reliability (ICC=0.83).
- Experienced surgeons achieved significantly higher scores (76%) than novices (30%).
- A pass/fail standard of 58% correctly identified novice and expert performance levels.
Conclusions:
- The VR simulation test is reliable and valid for assessing hip fracture fixation skills.
- The established pass/fail standard effectively distinguishes between surgeon experience levels.
- VR simulation can ensure basic competency for junior surgeons prior to patient care.
