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Dynamic Workflow Proposal for Continuous Frameless Electromagnetic Neuronavigation in Rigid Neuroendoscopy.

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This study presents a simple, step-by-step protocol for ventriculoscopic neuronavigation, simplifying complex procedures. The method enhances surgical navigation both outside and inside the ventricular system, improving outcomes.

Keywords:
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Area of Science:

  • Neurosurgery
  • Medical Device Technology

Background:

  • Ventriculoscopic neuronavigation literature lacks detailed protocols due to diverse equipment.
  • Standardized methods are needed for consistent application of ventriculoscopy.

Purpose of the Study:

  • To describe a simple, step-by-step protocol for ventriculoscopic neuronavigation.
  • To detail a method for both extraventricular and intraventricular navigation.

Main Methods:

  • Utilized a rigid ventriculoscope (LOTTA, KarlStorz) with an electromagnetic stylet (Medtronic S8-StealthSystem).
  • Employed a modified/3D-printed trocar for extraventricular navigation and a modified pediatric nasogastric tube for intraventricular navigation.

Main Results:

  • The protocol is quick to set up (under 10 minutes).
  • Achieved blunt, bloodless ventriculostomy with precise alignment using straight trajectories.
  • Enabled continuous navigation throughout extraventricular and intraventricular phases.

Conclusions:

  • The protocol is easy to implement and avoids rigid head fixation.
  • Simplifies ventriculoscopic procedures, enhancing outcomes in both simple and complex cases.
  • Offers a practical solution for consistent neuronavigation in ventriculoscopy.