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Article Abstract
Objectives: Virtual reality (VR) technology is increasingly employed in medical settings to provide innovative solutions for complex surgeries. In this study, we introduced and compared OpVerse, a multifunctional new VR platform developed for surgical simulations, with established software Synapse 3D to assess its efficacy in facilitating complex thoracic surgeries.
Methods: Patient-specific VR digital twin thoracic models were created based on computed tomography scans of 9 patients with large thoracic neoplasms and 4 requiring tracheobronchial reconstruction. Twelve doctors as system testers were enlisted to evaluate the usability and user acceptance of OpVerse and Synapse 3D using the System Usability Scale (SUS) and the Technology Acceptance Model; they provided qualitative feedback through interviews.
Results: OpVerse achieved higher scores than Synapse 3D in SUS (73.3 ± 14.6 vs 53.8 ± 11.6, P = 0.0006), as well as perceived usefulness (4.5 ± 0.4 vs 4.1 ± 0.5, P = 0.0134), perceived ease of use (4.2 ± 0.4 vs 3.8 ± 0.6, P = 0.0364) and attitude towards using and behavioural intention to use (4.6 ± 0.4 vs 3.6 ± 0.7, P = 0.0002) in Technology Acceptance Model, compared to Synapse 3D, indicating enhanced efficiency and user engagement with the new system. Participants favoured OpVerse for its immersive qualities, intuitive interface (particularly rotation and enhanced visual transparency effects) and ability to enhance comprehension of complex 3D anatomical structures.
Conclusions: OpVerse, our streaming VR simulation platform, enables the manipulation and visualization of patient-specific digital twin thoracic models through features such as rotation, enhanced visual transparency effects and measurement. Preliminary results suggest that OpVerse may offer advantages in terms of immersion, ease of use and understanding of 3D anatomical structures compared to Synapse 3D.
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