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The Effect of a Novel Air Decontamination Recirculation System on Viable Airborne Particulates

99.5% reduction in viable particle counts

Background

The prevention of surgical site infections (SSIs) is of great clinical importance to patients, surgeons and healthcare system globally. The size variability and amount of airborne particulate contamination generated during surgical procedures has not been extensively studied. SSIs continue to present major challenges in terms of morbidity as well as socioeconomic factors. Airborne microbial load has been shown to strongly correlate with SSI incidence.

Objective

In this study we evaluated the timing and characteristics of the airborne particles generated in a variety of surgical procedures. Viable particles were sampled using a real time Laser-Induced – Fluorescence (LIF). The efficacy of a novel HEPA/UV-C Air Recirculation/Filtration System (HUAIRS) on reducing airborne bacterial contamination in the Orthopaedic OR was also examined.

Results and Conclusions

In this study, total and viable particles and bacterial CFU/m 3 were reduced with the implementation of a new-to-market HUAIRS device. The addition of HUAIRS supplemental air decontamination system should be considered as part of a comprehensive environmental management plan in ORs performing high-risk, lengthy surgical procedures.

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