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Related Experiment Video

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Augmented Reality for Guideline Presentation in Medicine: Randomized Crossover Simulation Trial for Technically

Andreas Follmann1, Alexander Ruhl1, Michael Gösch2

  • 1Department of Anesthesiology, Faculty of Medicine, Rheinisch-Westfälische Technische Hochschule Aachen University, Aachen, Germany.

JMIR Mhealth and Uhealth
|October 18, 2021
PubMed
Summary

Tablet PCs enabled faster triage decisions compared to smart glasses in a simulated mass casualty incident. Accuracy was similar, suggesting augmented reality can be useful, especially when hands-free operation is needed.

Keywords:
augmented realitydecision supportguideline presentationsmart glassestriagewearables

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Area of Science:

  • Medical Informatics
  • Human-Computer Interaction
  • Emergency Medicine

Background:

  • Medical guidelines are crucial for diagnostics and therapy.
  • Mobile devices can present complex clinical decision trees.
  • Triage in mass casualty incidents exemplifies time-critical decision-making.

Purpose of the Study:

  • To evaluate augmented reality (AR) for presenting medical guidelines.
  • To compare AR (smart glasses) with tablet PCs for guideline presentation.
  • To assess decision time and accuracy in a simulated triage scenario.

Main Methods:

  • A randomized controlled crossover study was conducted.
  • An Android app presented a triage algorithm on smart glasses and a tablet PC.
  • Forty volunteers performed simulated triage on 30 patient descriptions using both devices.

Main Results:

  • Tablet PCs resulted in significantly faster triage times (median 12.8s) than smart glasses (median 17.5s).
  • The time difference decreased with subsequent assessments, indicating user adaptation to smart glasses.
  • No significant difference in decision accuracy was observed between the tablet PC and smart glasses.

Conclusions:

  • Both tablet PCs and AR (smart glasses) effectively presented guidelines with good results.
  • Smart glasses required more time initially due to complexity but improved with practice.
  • AR offers potential benefits for clinical management, particularly in non-time-critical situations requiring hands-free interaction.