• Year: 2019
  • In collaboration with: University of Padova

Project

Development and usability of a novel interactive tablet App PediAppRREST to support the management of pediatric cardiac arrest.
The Pediatric cardiac arrest (PCA) is a rare and stressful clinical event with high mortality. Deviations from recommended management by international guidelines are frequent and are associated with poorer outcomes.
Different educational strategies and novel devices have been developed to improve the management of cardiac arrest, including cognitive support tools in the format of software and applications (App), as it is the PediAppRREST. However, so far there has been very limited experience on the usefulness of interactive cognitive support through an App in PCA: no App has so far been tested for their usability and effectiveness in guiding the management of PCA.
Nevertheless, many studies have shown frequent errors, omissions, and delay in the PCA management.
Based on such a bacgkround information, the objective of the PediAppRREST project has been to develop a new audiovisual interactive App for tablet, named PediAppRREST, to support the management of PCA and to test its usability in a high-fidelity simulation-based setting, thanks to the collaboration of a pediatric research team of the University of Padova and HMI designers, Human Factors experts, and App software developers of RE:Lab.
The App was designed to guide and train the team leader perform resuscitation interventions in the sequence/timing and modality reported by the American Heart Association (AHA) PALS 2015 guidelines.

Objective

This project aims to develop a new audiovisual interactive app for tablets, named PediAppRREST, to support the management of PCA and to test its usability in a high-fidelity simulation-based setting.

Methods

A research team at the University of Padova (Italy) and human-machine interface designers, as well as app developers, from an Italian company (RE:Lab S.r.l.) developed the app between March and October 2019, by applying an iterative design approach (ie, design-prototyping-evaluation iterative loops). In October-November 2019, a single-center nonrandomized controlled simulation-based pilot study was conducted including 48 pediatric residents divided into teams of 3. The same nonshockable PCA scenario was managed by 11 teams with and 5 without the app. The app user’s experience and interaction patterns were documented through video recording of scenarios, debriefing sessions, and questionnaires. App usability was evaluated with the User Experience Questionnaire (UEQ) (scores range from -3 to +3 for each scale) and open-ended questions, whereas participants’ workload was measured using the NASA Raw-Task Load Index (NASA RTLX).

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