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HUMAn, a Real-Time Evolutive Patient Model for Major Incident Simulation: Development and Validation Study.

Maxence Laurent¹, Arnaud Jaccard², Laurent Suppan³

¹Media Engineering Institute, School of Management and Engineering Vaud, University of Applied Sciences and Arts of Western Switzerland, Avenue des Sports 20, Yverdon, 1400, Switzerland, 41 244592638.

JMIR Formative Research

|March 7, 2025

Summary

A new physiological model, HUMAn, simulates realistic patient evolution in major incidents. This tool enhances training by allowing dynamic patient responses during simulations, improving decision-making skills for emergency responders.

Keywords:

emergency medicine healthcare professional education major incident management mathematical model professional education computer simulation continuing education mass casualties physiological model

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Area of Science:

Medical Simulation
Physiological Modeling
Emergency Medicine Training

Background:

Major incidents require efficient management and specialized resources.
Current major incident simulations lack dynamic patient evolution, hindering critical decision-making practice.
Paramedic and EMT training necessitates realistic simulation scenarios.

Purpose of the Study:

To develop and validate a simplified physiological model for simulating real-time injury evolution.
To create a model capable of dynamic patient simulation for enhanced emergency response training.

Main Methods:

A user-centered design framework guided model development.
A multidisciplinary team (physicians, paramedics, computer scientists) developed the HUMAn model.
Clinical realism was validated by 15 prehospital professionals using a 5-point Likert scale.

Main Results:

The HUMAn model realistically simulates physiological changes and patient evolution.
Clinical parameters received a median rating of 5 (absolutely realistic), with 96% rated 4 or 5.
Physiological parameters achieved a median rating of 5, with 79% rated 5 and 17% rated 4.

Conclusions:

A simplified, clinically realistic physiological model for trauma patient evolution was successfully developed.
The HUMAn model is suitable for integration into computer-based simulations for major incident management training.
Further randomized trials are recommended to assess the model's impact on teaching major incident management.