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Updated: Jun 4, 2026
06:47
Microfluidics in Assessing Platelet Function
Published on: November 8, 2024
Effect of live-fire training drills on firefighters' platelet number and function
Denise L Smith1, Steven J Petruzzello, Eric Goldstein
1University of Illinois Fire Service Institute, Champaign, Illinois 61820, USA.
Prehospital Emergency Care
|March 4, 2011
Summary
Firefighting significantly increases platelet count and aggregation, raising the risk of blood clots. This study highlights the acute thrombotic potential in firefighters after intense activity.
Area of Science:
- Cardiovascular Physiology
- Hematology
- Occupational Health
Background:
- Sudden cardiac events are the primary cause of firefighter line-of-duty deaths.
- Platelets are crucial in forming blood clots during ischemic events.
Purpose of the Study:
- To investigate the immediate impact of firefighting on platelet count and function.
- To assess changes in platelet aggregability following strenuous firefighting simulations.
Main Methods:
- 114 healthy male firefighters underwent 18 minutes of simulated firefighting with live fires.
- Blood samples were collected pre- and post-activity for complete blood count and platelet function analysis.
- Platelet aggregability was measured using a PFA-100 analyzer.
Main Results:
- Simulated firefighting led to significant increases in heart rate and core body temperature.
- A 24% increase in platelet number was observed post-firefighting.
- Firefighting activity significantly enhanced platelet aggregability.
Conclusions:
- Firefighting acutely elevates both platelet count and aggregability.
- Even brief firefighting exertion increases thrombotic potential in healthy firefighters.
- Findings suggest a heightened risk of cardiovascular events due to firefighting-induced platelet changes.
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