Mixed reality ventriculostomy simulation: experience in neurosurgical residency.

Neurosurgery

*Department of Neurological Surgery, University of Florida, Gainesville, Florida; ‡Department of Anesthesiology, Center for Safety, Simulation & Advanced Learning Technologies, University of Florida, Gainesville, Florida.

Published: December 2014

AI Article Synopsis

  • The University of Florida created a mixed reality simulator that combines physical elements and 3-D virtual components to train neurosurgical residents in performing ventriculostomy procedures.
  • Over 260 residents were tested using an algorithm that evaluated their performance based on time and accuracy, along with feedback from post-performance surveys.
  • Results showed experienced residents performed better, and most participants agreed that simulator practice would benefit their future procedures, leading to the implementation of a training standard for incoming residents.

Article Abstract

Background: Medicine and surgery are turning toward simulation to improve on limited patient interaction during residency training. Many simulators today use virtual reality with augmented haptic feedback with little to no physical elements. In a collaborative effort, the University of Florida Department of Neurosurgery and the Center for Safety, Simulation & Advanced Learning Technologies created a novel "mixed" physical and virtual simulator to mimic the ventriculostomy procedure. The simulator contains all the physical components encountered for the procedure with superimposed 3-D virtual elements for the neuroanatomical structures.

Objective: To introduce the ventriculostomy simulator and its validation as a necessary training tool in neurosurgical residency.

Methods: We tested the simulator in more than 260 residents. An algorithm combining time and accuracy was used to grade performance. Voluntary postperformance surveys were used to evaluate the experience.

Results: Results demonstrate that more experienced residents have statistically significant better scores and completed the procedure in less time than inexperienced residents. Survey results revealed that most residents agreed that practice on the simulator would help with future ventriculostomies.

Conclusion: This mixed reality simulator provides a real-life experience, and will be an instrumental tool in training the next generation of neurosurgeons. We have now implemented a standard where incoming residents must prove efficiency and skill on the simulator before their first interaction with a patient.

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Source
http://dx.doi.org/10.1227/NEU.0000000000000503DOI Listing

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