Correlation of the air-surface nexus of bacterial burden during routine patient care | Aerobiotix

Correlation of the air-surface nexus of bacterial burden during routine patient care

Werner E. Bischoff, MD, PhD, and Gregory Russell, MS.
Infection Control & Hospital Epidemiology (2020)

Objective:

determine association between aerosol burden and surface contamination and the impact of HUAIRS on transmission pathways

Method:

in a critical care decision unit; samples taken (for bacterial growth) at head and foot of patient bed and exit doorway

Results:

58% reduction in aerosol burden
51% reduction in surface contamination

Discussion:

Focus was on redistribution of bacteria from airborne to surface contamination in a patient room during routine care
Correlations indicate a direct link between bacteria released in the air and subsequent surface contamination
This finding points to a dual benefit of air purification reducing airborne and indirect contact transmission
Using an air purification system led to significant reductions in both airborne and surface bacteria

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