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Quantifying surface contamination in a primary care clinic using 3D gestural human-computer interaction.

Kylie H Dowers1, Katherina A Jurewicz1

  • 1School of Industrial Engineering and Management, Oklahoma State University, Stillwater, OK, USA.

Journal of Infection Prevention
|November 10, 2025
PubMed
Summary
This summary is machine-generated.

Touchless 3D gestural human-computer interaction (HCI) significantly reduces surface contamination compared to traditional HCI. However, this emerging technology requires further development to optimize healthcare processes and mitigate infection risks.

Keywords:
3D gestural technologyHealthcare-associated infectionshuman-computer interactionsurface contaminationtouchless technology

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Area of Science:

  • Medical Informatics
  • Human-Computer Interaction
  • Infection Control

Background:

  • Healthcare-associated infections (HAIs) pose a significant risk to patient safety.
  • Reducing surface contamination is crucial for infection control.
  • Emerging technologies like 3D gestural human-computer interaction (HCI) require investigation for their role in infection prevention.

Purpose of the Study:

  • To quantify and compare surface contamination levels between touchless 3D gestural HCI and traditional HCI.
  • To evaluate the impact of these technologies on process completion times.

Main Methods:

  • A between-subjects experimental study was conducted in a simulated primary care clinic.
  • Participants (N=30) used either 3D gestural HCI or traditional HCI, with gloves coated in a powder to track contamination spread.
  • The number of contaminated surfaces and overall process times were recorded.

Main Results:

  • Participants using 3D gestural HCI contaminated significantly fewer surfaces (p < .05).
  • The 3D gestural HCI group exhibited significantly longer process completion times (p < .05).

Conclusions:

  • 3D gestural HCI demonstrates potential for reducing surface contamination and mitigating HAI risks.
  • The increased time associated with gestural technology necessitates further research for efficient healthcare integration.
  • Future studies should explore optimizing gestural HCI for healthcare systems and other high-risk environments.