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Operational Testing of a Combined Hardware-Software Strategy for Triage of Radiologically-Contaminated Persons
1*University of Ontario Institute of Technology, Faculty of Energy Systems and Nuclear Science, 2000 Simcoe Street N, Oshawa, ON, Canada.
A new software tool and radiation triage mask aid first responders in rapidly assessing radionuclide contamination after a radiological dispersal device event. Early intervention is crucial for effective medical decorporation and reducing radiation exposure risks.
Area of Science:
- Health Physics
- Medical Countermeasures
- Radiation Emergency Response
Background:
- Radiological dispersal device (RDD) events pose significant health risks due to radionuclide contamination via inhalation, ingestion, or skin absorption.
- Effective medical decorporation strategies are time-sensitive, with efficacy decreasing significantly after the initial "golden hour" (3-4 hours) post-intake.
- Accurate assessment of radionuclide intake magnitude is critical for dosimetric evaluations and risk aversion.
Purpose of the Study:
- To develop a software tool to assist medical first responders in making timely decisions for radionuclide decorporation treatment.
- To create a hardware solution, the radiation triage mask (RTM), for rapid field assessment of internally exposed individuals.
- To provide effective triage algorithms for immediate post-RDD event medical response.
Main Methods:
- Development of a software tool integrating existing radionuclide decorporation therapy data.
- Implementation of three triage algorithms: multi-parameter model (MPM), clinical decision guidance (CDG) model, and annual limit on intake (ALI) model.
- Simultaneous development of a radiation triage mask (RTM) for rapid, field-based assessment.
Main Results:
- The developed software tool and RTM provide a combined hardware/software strategy for radionuclide exposure triage.
- Field testing with a military medical unit demonstrated the system's ease of learning and use by end-users.
- The system facilitates timely decisions for appropriate decorporation treatment strategies.
Conclusions:
- The integrated hardware/software approach offers a practical solution for first responders managing RDD events.
- Rapid triage and decision-making are enhanced, improving the efficacy of medical decorporation interventions.
- The developed tools support critical health physics and medical perspectives in post-radiological incident scenarios.
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