Related Experiment Video
Updated: Jul 29, 2025

06:18
Pedicle Screw Placement Using an Augmented Reality Head-Mounted Display in a Porcine Model
Published on: May 24, 2024
2.2K
Comparison of accuracy between augmented reality/mixed reality techniques and conventional techniques for epidural
Tatsuya Hayasaka1, Kazuharu Kawano2, Yu Onodera3
1Department of Anesthesiology, Yamagata University Hospital, 2-2-2 Iidanishi, Yamagata City, Yamagata, 990-9585, Japan. hayasakatatsuya1101@gmail.com.
BMC Anesthesiology
|May 20, 2023
Summary
Augmented/mixed reality (AR/MR) technology significantly improved epidural anesthesia accuracy in medical students. Visualization with AR/MR facilitated needle insertion into the epidural space, reducing errors and improving precision.
Area of Science:
- Medical Education
- Anesthesiology
- Medical Simulation
Background:
- Epidural anesthesia requires precise needle placement.
- Traditional training methods may have limitations in teaching this skill.
- Augmented/mixed reality (AR/MR) offers new visualization possibilities for medical procedures.
Purpose of the Study:
- To evaluate the accuracy of epidural anesthesia using standard techniques versus AR/MR technology.
- To determine if AR/MR visualization facilitates epidural anesthesia learning and performance.
- To compare the effectiveness of different AR/MR integration methods.
Main Methods:
- Thirty medical students with no prior epidural anesthesia experience were divided into three groups: no AR/MR, full AR/MR integration, and semi-AR/MR integration.
- Epidural anesthesia was simulated using a practice kit and the paramedian approach.
- Needle insertion accuracy was measured by the distance to the ideal epidural space puncture point.
Main Results:
- The group using full AR/MR integration showed the highest accuracy, with zero failures in needle insertion.
- The AR/MR groups demonstrated significantly smaller puncture point distances compared to the no-AR/MR group (P < 0.05).
- Semi-AR/MR integration also showed improved accuracy over the standard technique.
Conclusions:
- Augmented/mixed reality technology shows significant potential to enhance epidural anesthesia training.
- AR/MR visualization can improve the accuracy and success rate of epidural space needle insertion.
- This technology may be a valuable tool for medical simulation and skill acquisition in anesthesiology.

