September 10, 2025Emergency Care and MedicineOpen Access

Efficacy of Portable Fugitive Aerosol Mitigation Systems for Nebulizer Therapy During High-Flow Nasal Cannula and Non-Invasive Ventilation

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Discussion

This study evaluates aerosol reduction during nebulizer therapy with high-flow nasal cannula and NIV, highlighting active mitigation methods.

Active mitigation using a mask with a biofilter reduced airborne aerosols by 99%, compared to only 36% for passive mitigation.
For non-invasive ventilation with nebulizer therapy, active mitigation achieved 92% peak aerosol reduction, while passive methods only reached 54%.
Efficacy was assessed by measuring peak concentration reduction and area under the concentration-time curve for active and passive techniques.
Overall, active systems provided significant advantages in reducing aerosol exposure during aerosol-generating procedures.

Pandian et al. (2025) studied this question.

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This study evaluates aerosol reduction during nebulizer therapy with high-flow nasal cannula and NIV, highlighting active mitigation methods.