The role of simulation in surgical practice and the creation of a new tool for neurosurgical training
DOI:
https://doi.org/10.15448/1980-6108.2018.1.29129Keywords:
simulation, neurosurgery, medical education, craniosynostosis, learning curveAbstract
AIMS: To test a new tool for neurosurgical education, a "puzzle" to simulate the craniosynostosis surgical correction (specifically scaphocephaly) using Renier’s "H" technique.
METHODS: The cranial model was created by obtaining images through a multi slice (1 mm) CT scan in the Digital Imaging and Communications in Medicine (DICOM) format. This information was then processed using a computing algorithm to generate a three-dimensional biomodel in resine (performed on a computer or via computer simulation). The puzzle and its training possibilities were evaluated qualitatively by a team of expert neurosurgeons. Subsequently the experts evaluated the application of the tool for residents in neurosurgery, and the residents also evaluated the experience.
RESULTS: Five experts neurosurgeons and 10 neurosurgery residents participated in the evaluation. All considered the tool positive for the proposed training. The experts have commented on how interesting the model may be by instigating the understanding of the reasons for each surgical step and how to act in them. According to the experts perceptions, the residents presented better clarity in the three-dimensional visualization of the step by step, indirectly aiding in the understanding of the surgical technique. In addition, they noted a notable reduction of errors with each attempt to assemble the puzzle. Residents considered it to be a teaching method that makes assessment objective and clear. Among the interviewers, 9,9 was the averaged note given to the simulator.
CONCLUSIONS: The puzzle in cranial shape can be a complementary tool, allowing varying degrees of immersion and realism. It provides a notion of physical reality, offering symbolic, geometric and dynamic information, with rich tridimensional visualization. The simulator use may potentially improve and abbreviate the surgeons learning curve, in a safe manner.
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