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Clinical Application of a Novel Augmented Reality Navigation System for Chronic Subdural Hematoma Surgery Using a

Yoshiaki Goto1, Takeshi Takata2, Yuya Ogura1

  • 1Department of Neurosurgery, University of Teikyo Hospital, Tokyo, Japan.

World Neurosurgery
|August 8, 2025
PubMed
Summary

A new augmented reality navigation system (ARnavS) offers precise 3D imaging for burr-hole surgery. This system aids anatomical understanding and helps avoid critical structure injury in neurosurgical procedures.

Keywords:
Augmented realityChronic subdural hematomaNavigation systemQuick response code markerSimultaneous localization and mapping algorithm

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Area of Science:

  • Neurosurgery
  • Medical Technology
  • Augmented Reality

Background:

  • Augmented reality (AR) enhances neurosurgical procedures by integrating 3D images with real-world views for better anatomical understanding.
  • Current AR systems are often cumbersome and less appealing for surgical trainees.
  • Wearable AR devices show potential but require further development.

Purpose of the Study:

  • To assess a novel augmented reality navigation system (ARnavS) for burr-hole surgeries.
  • To evaluate the convenience and accuracy of ARnavS in clinical application.
  • To determine the system's utility in improving anatomical comprehension and safety during neurosurgery.

Main Methods:

  • ARnavS utilizes a simultaneous localization and mapping algorithm and a quick response code.
  • The system was applied in 10 cases of burr-hole surgery for chronic subdural hematoma.
  • Evaluation focused on registration time, accuracy, surgical time, and patient outcomes.

Main Results:

  • The ARnavS system was effective in 10 patients undergoing burr-hole surgery for chronic subdural hematoma.
  • Average registration time was 2.6 minutes, with a mean burr-hole location discrepancy of 3.5 mm.
  • No superficial temporal artery damage occurred, mean surgical time was 37.1 minutes, and no severe postoperative bleeding was reported.

Conclusions:

  • ARnavS provides accurate intraoperative 3D imaging with rapid registration for burr-hole surgery.
  • The system enhances surgeons' anatomical comprehension, aiding in the avoidance of critical structure injuries.
  • ARnavS offers practical benefits for neurosurgical procedures, particularly for less-experienced surgeons and trainees.