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Biological Response to Stress During Battlefield Trauma Training: Live Tissue Versus High-Fidelity Patient Simulator
Henry T Peng1, Catherine Tenn2, Oshin Vartanian1
1Defence Research and Development Canada, Toronto Research Centre, Toronto, ON, Canada.
Military Medicine
|March 17, 2018
Summary
Tactical Combat Casualty Care (TCCC) training significantly increases medics' stress levels, with no difference between live tissue and simulator modalities. Switching training methods may heighten stress responses.
Area of Science:
- Medical Education
- Emergency Medicine
- Psychophysiology
Background:
- Tactical Combat Casualty Care (TCCC) training is essential for medics.
- The impact of different training modalities on stress and performance is not well understood.
- Psychophysiological stress responses during TCCC training require further investigation.
Purpose of the Study:
- To compare the effects of live tissue (LT) versus high-fidelity patient simulator (SIM) training on stress levels.
- To evaluate stress, performance, and skill acquisition in operating room (OR) and field scenarios.
- To analyze changes in stress biomarkers during battlefield trauma training.
Main Methods:
- Pilot study comparing LT and SIM modalities in OR and field settings.
- Measurement of salivary amylase, plasma catecholamines (epinephrine, norepinephrine), and neuropeptide Y.
- Biomarker analysis at various time points during the trauma training course.
Main Results:
- TCCC training significantly elevated stress biomarkers compared to baseline.
- No significant differences in stress biomarker changes were observed between LT and SIM groups.
- Switching training modalities between OR and field resulted in greater stress biomarker elevations (amylase, norepinephrine).
- Norepinephrine levels remained elevated 24 hours post-training.
Conclusions:
- TCCC training induces significant psychophysiological stress.
- Training modalities (LT vs. SIM) did not significantly alter stress levels.
- A change in training modality may elicit a greater stress response.
- Further research with larger sample sizes is recommended.
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