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Surgical Smoke Simulation Study: Physical Characterization and Respiratory Protection
Yousef Elmashae1, Richard H Koehler2, Michael Yermakov1
1Center for Health-Related Aerosol Studies, Department of Environmental Health, University of Cincinnati, PO Box 670056, Cincinnati, OH, USA.
Aerosol Science and Technology : the Journal of the American Association for Aerosol Research
|November 26, 2019
Summary
Surgical smoke poses health risks to operating room personnel. N95 respirators reduce exposure, with enhanced faceseal technology offering superior protection against surgical smoke particles.
Area of Science:
- Occupational Health
- Aerosol Science
- Respiratory Protection
Background:
- Surgical smoke, an aerosol from electrocautery, presents growing health risks to operating room personnel.
- Characterizing surgical smoke exposure and evaluating respiratory protective devices are crucial for OR safety.
Purpose of the Study:
- To quantify surgical smoke particle concentration and size distribution in the breathing zone.
- To assess the performance of N95 filtering facepiece respirators (FFRs) with and without enhanced faceseal technology.
Main Methods:
- A simulation study using an OR-simulating chamber with electrocautery-generated surgical smoke.
- Particle measurements in the breathing zone using aerosol spectrometers.
- Determination of simulated workplace protection factors for N95 FFRs on ten subjects.
Main Results:
- Peak surgical smoke particle size distribution was observed between 60-150 nm.
- Particle concentrations significantly exceeded background levels under tested conditions.
- N95 FFRs significantly reduced surgical smoke exposure.
Conclusions:
- N95 filtering facepiece respirators effectively decrease surgical smoke exposure for OR personnel.
- New faceseal technology integrated into N95 FFRs provides enhanced respiratory protection compared to standard commercial N95 FFRs.
