Spine Surgery Supported by Augmented Reality

Global Spine Journal
Barbara CarlChristopher Nimsky

Abstract

A prospective, case-based, observational study. To investigate how microscope-based augmented reality (AR) support can be utilized in various types of spine surgery. In 42 spinal procedures (12 intra- and 8 extradural tumors, 7 other intradural lesions, 11 degenerative cases, 2 infections, and 2 deformities) AR was implemented using operating microscope head-up displays (HUDs). Intraoperative low-dose computed tomography was used for automatic registration. Nonlinear image registration was applied to integrate multimodality preoperative images. Target and risk structures displayed by AR were defined in preoperative images by automatic anatomical mapping and additional manual segmentation. AR could be successfully applied in all 42 cases. Low-dose protocols ensured a low radiation exposure for registration scanning (effective dose cervical 0.29 ± 0.17 mSv, thoracic 3.40 ± 2.38 mSv, lumbar 3.05 ± 0.89 mSv). A low registration error (0.87 ± 0.28 mm) resulted in a reliable AR representation with a close matching of visualized objects and reality, distinctly supporting anatomical orientation in the surgical field. Flexible AR visualization applying either the microscope HUD or video superimposition, including the ability to selectiv...Continue Reading

References

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Citations

Jan 29, 2021·Acta neurochirurgica·Gustav BurströmAdrian Elmi-Terander
Jun 16, 2021·Operative Neurosurgery·Jakub GodzikJuan S Uribe
Aug 11, 2021·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Swathi ChidambaramSusan C Pannullo

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Methods Mentioned

BETA
biopsy

Software Mentioned

AR
iCT
Brainlab
iUS

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