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Evaluating a Shared Decision Support Tool for Pediatric Cardiopulmonary Arrest: Mixed Methods Usability Study.

Ana Rajic1,2, Sharleen Kayne Olanka1,2, Marco Generelli1,2

  • 1Educational Technologies and Learning Sciences (TECFA), Faculty of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland.

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Summary

TeamScreen enhances pediatric cardiac arrest response by improving real-time information access during resuscitation. While usability testing showed high success and satisfaction, interface refinements are needed for optimal clinical integration.

Keywords:
cardiopulmonary resuscitationclinicaldecision support systemsdigital healthhealth information technologymedical informatics applicationspediatric emergency medicinesimulation trainingusability testinguser-computer interface

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Area of Science:

  • Medical Informatics
  • Emergency Medicine
  • Pediatric Critical Care

Background:

  • Effective team communication is vital in pediatric cardiopulmonary arrest management.
  • Delays or miscommunication can significantly impact patient survival rates.
  • TeamScreen, a web-based interface, was developed to visualize clinical data and resuscitation steps during CPR.

Purpose of the Study:

  • To evaluate the usability of the TeamScreen Figma prototype.
  • To assess information retrieval efficiency and accuracy by experienced healthcare professionals.
  • To identify areas for improvement in a simulated pediatric cardiac arrest scenario.

Main Methods:

  • Usability testing with 20 pediatric emergency physicians and nurses.
  • Participants completed 21 information retrieval tasks during a simulated cardiac arrest.
  • Data collected included think-aloud recordings, PSSUQ, and posttest surveys.

Main Results:

  • An 81.19% mean task success rate was achieved with a mean completion time of 8.13 seconds.
  • High satisfaction scores (mean 2.40) were reported for information clarity and system utility.
  • 16 usability issues were identified, including 5 major concerns regarding visibility, navigation, and information density.

Conclusions:

  • TeamScreen shows potential for improving real-time information access in pediatric CPR.
  • High task success and satisfaction scores support its role in clinical decision-making.
  • Further refinements are needed for visibility, navigation, and information density to optimize the interface.