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Augmented reality for external ventricular drain placement: Model alignment and integration software.

Surgical neurology international·2025
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External Ventricular Drainage Complication Risks and Accuracy Analysis.

Anton Nikolaevich Konovalov1, Fiodor Viacheslavovich Grebenev1, Vladimir Alexandrovich Rybakov1

  • 1Burdenko Neurosurgical Center, Moscow, Russia.

World Neurosurgery
|September 20, 2021
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Summary

External ventricular drainage (EVD) placement accuracy and complication risks were analyzed. Findings indicate that surgeon experience, bone access type, and surgical approach do not significantly impact EVD outcomes.

Keywords:
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Area of Science:

  • Neurosurgery
  • Medical Procedures
  • Patient Safety

Background:

  • External ventricular drainage (EVD) is a common neurosurgical procedure.
  • Complication risks associated with EVD placement range from 5% to 39%.
  • Increasing research focuses on improving EVD techniques and identifying complication risks.

Purpose of the Study:

  • To investigate the relationship between complication risks, catheter setting accuracy, and various factors in routine neurosurgical practice.
  • To analyze the impact of surgeon experience on EVD outcomes.

Main Methods:

  • Retrospective analysis of EVD placement data from 2019.
  • Surgeons categorized into three groups based on experience (<2, 2-5, >5 years).
  • Assessment of drainage position using computed tomography (CT) scans.

Main Results:

  • Out of 122 patients, 75.9% had satisfactory EVD placement, while 24.1% had unsatisfactory placement.
  • Procedures were performed by surgeons with <2 years (16.1%), 2-5 years (25%), and >5 years (58.9%) of experience.

Conclusions:

  • Complication risk and accuracy of EVD setting are independent of surgeon experience.
  • The type of bone access and the position in the premotor area do not influence EVD outcomes.