Abstract
Background
Within the next few years, the medical industry will launch increasingly affordable three-dimensional (3D) vision systems for the operating room (OR). This study aimed to evaluate the effect of two-dimensional (2D) and 3D visualization on surgical skills and task performance.
Methods
In this study, 34 individuals with varying laparoscopic experience (18 inexperienced individuals) performed three tasks to test spatial relationships, grasping and positioning, dexterity, precision, and hand–eye and hand–hand coordination. Each task was performed in 3D using binocular vision for open performance, the Viking 3Di Vision System for laparoscopic performance, and the DaVinci robotic system. The same tasks were repeated in 2D using an eye patch for monocular vision, conventional laparoscopy, and the DaVinci robotic system.
Results
Loss of 3D vision significantly increased the perceived difficulty of a task and the time required to perform it, independently of the approach (P < 0.0001–0.02). Simple tasks took 25 % to 30 % longer to complete and more complex tasks took 75 % longer with 2D than with 3D vision. Only the difficult task was performed faster with the robot than with laparoscopy (P = 0.005). In every case, 3D robotic performance was superior to conventional laparoscopy (2D) (P < 0.001–0.015).
Conclusions
The more complex the task, the more 3D vision accelerates task completion compared with 2D vision. The gain in task performance is independent of the surgical method.
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Disclosures
Monika E. Hagen receives a salary from Intuitive Surgical Inc. However, the financial relation started after the current study was completed. O. J. Wagner, Anita Kurmann, S. Horgan, Daniel Candinas, and Stephan A. Vorburger have no conflicts of interest or financial ties to disclose.
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Wagner, O.J., Hagen, M., Kurmann, A. et al. Three-dimensional vision enhances task performance independently of the surgical method. Surg Endosc 26, 2961–2968 (2012). https://doi.org/10.1007/s00464-012-2295-3
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DOI: https://doi.org/10.1007/s00464-012-2295-3