Using Immersive Virtual Reality to Classify Pediatric Thoracolumbar Spine Injuries

Area of Science:

• Orthopedics
• Spine Surgery
• Medical Education

Background:

• The AO Spine Thoracolumbar Injury Classification System is crucial for standardizing spinal trauma management.
• Assessing the reliability and reproducibility of classification systems is vital for clinical practice and research.
• Virtual reality (VR) presents a novel approach for medical training and assessment.

Purpose of the Study:

• To evaluate the reliability and reproducibility of the AO Spine Thoracolumbar Injury Classification System when applied using virtual reality (VR).
• To test the hypothesis that VR enhances the accuracy and consistency of classifying traumatic spine injuries.

Main Methods:

• 3D VR models were generated from CT scans of 26 pediatric patients with thoracolumbar spine injuries.
• Seven orthopedic trainees utilized the VR platform and AO Spine classification system for injury assessment.
• Classifications were analyzed for intra-observer and inter-observer reliability using Fleiss's kappa and Krippendorff's alpha.

Main Results:

• Intra-observer reproducibility for primary classifications ranged from moderate to almost perfect (kappa=0.55-0.94).
• Inter-observer reliability for primary classifications was substantial (kappa=0.61-0.63) across all reads.
• Subclassifications demonstrated substantial to almost perfect intra-observer and inter-observer reliability (alpha=0.68-0.91).

Conclusions:

• Virtual reality (VR) is a reliable and reproducible tool for classifying pediatric thoracolumbar spine injuries.
• VR serves as a valuable educational platform for trainees learning complex classification systems.
• Further investigation is warranted to explore VR's utility in classifying other spinal conditions.