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Related Experiment Videos

Image-guided neurosurgery comparing a pointer device system with a navigating microscope: a retrospective analysis of

K Roessler1, K Ungersboeck, M Aichholzer

  • 1Department of Neurosurgery, University of Vienna Medical School, Austria.

Minimally Invasive Neurosurgery : MIN
|July 4, 1998
PubMed
Summary

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Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·2020

This study compares two neuronavigation systems, the Zeiss MKM microscope and the Philips Easy Guide Neuro (EGN) pointer, highlighting their distinct applications in neurosurgery. The MKM system excels in coordinate-based cranial navigation, while the EGN offers intuitive guidance for diverse procedures.

Area of Science:

  • Neurosurgery
  • Medical Technology
  • Image-Guided Therapy

Background:

  • Neuronavigation systems enhance surgical precision by integrating preoperative imaging with intraoperative guidance.
  • Frameless stereotactic techniques have become integral to modern neurosurgical practice.
  • Comparing different neuronavigation technologies is crucial for optimizing clinical workflows and patient outcomes.

Purpose of the Study:

  • To evaluate and compare the clinical advantages of two distinct frameless stereotactic neuronavigation systems: the Zeiss MKM stereotactic microscope and the Philips Easy Guide Neuro (EGN) pointer.
  • To elucidate the differences in application and benefits of coordinate-based versus intuitive image-guided navigation in neurosurgery.

Main Methods:

  • Retrospective analysis of 208 frameless stereotactic procedures conducted over 30 months.

Related Experiment Videos

  • Comparison of 92 procedures using the MKM system (cranial navigation) and 116 procedures using the EGN system (cranial and spinal navigation).
  • Analysis of procedure types (tumor, cavernoma, epilepsy, vascular, spinal), guidance modalities (CCT, MRI, CT/MRI), and system-specific features.

    • Main Results:

    • The MKM system, offering coordinate-based navigation, was primarily used for cranial tumor, cavernoma, and epilepsy surgeries.
    • The EGN system, utilizing an LED pointer for intuitive guidance, was applied across a broader range of procedures including cranial and spinal surgeries, tumor resections, and drainage procedures.
    • Significant differences were observed in the application spectrum and technical approach of the two navigation systems.

    Conclusions:

    • The Zeiss MKM system provides precise, coordinate-based navigation beneficial for specific cranial procedures.
    • The Philips EGN system offers versatile, intuitive image guidance suitable for a wide array of neurosurgical interventions.
    • The choice between these neuronavigation systems depends on the specific requirements and procedural focus of a neurosurgical department.