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Related Experiment Video

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Survivable Stereotaxic Surgery in Rodents
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Stereotactic Ventriculostomy Guide.

Arun A Patil1, Ashis Chand2, Deepak K Pandey3

  • 1Surgery, Creighton University School of Medicine, Omaha, USA.

Cureus
|February 15, 2022
PubMed
Summary
This summary is machine-generated.

A new stereotactic guidance system simplifies ventriculostomy, improving accuracy for accessing brain ventricles. This system demonstrated significantly higher success rates and visibility of the foramen of Monro in a cadaver study compared to freehand techniques.

Keywords:
cerebral ventricle drainagecm-centimeterct-computed tomographydegree of freedom - dfhydrocephalusmr-magnetic resonancesmall ventriclesstereotacticventriculostomy guide

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Area of Science:

  • Neurosurgery
  • Medical Devices
  • Anatomical Guidance Systems

Background:

  • Stereotactic neurosurgery requires precise instrument navigation.
  • Traditional ventriculostomy techniques can be complex and vary in success rates.
  • A simplified, adaptable guidance system for ventriculostomy is needed.

Purpose of the Study:

  • To describe a novel stereotactic guidance system for ventriculostomy.
  • To evaluate the system's accuracy and ease of use in a cadaveric study.
  • To compare the system's performance against the freehand technique.

Main Methods:

  • Development of a midline-based stereotactic guidance plate with pre-set probe holders.
  • Cadaveric study involving eight donors.
  • Insertion of a 1.4 mm endoscope into the frontal horn using the guidance system versus freehand technique.

Main Results:

  • The guidance system achieved 100% accuracy in entering the ventricles on the first attempt.
  • End-on visualization of the foramen of Monro was achieved in all cases with the guide.
  • The freehand technique showed lower initial entry success and significantly less foramen visibility.

Conclusions:

  • The developed stereotactic guidance system is simple, accurate, and easy to use.
  • The system offers a statistically significant improvement over the freehand method for ventriculostomy.
  • This device is suitable for ventricles of all sizes, enhancing surgical precision.