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|Articles|September 12, 2018

CHG-Coated Surgical Gloves Influence the Bacterial Flora of Hands Over a Period of 3 Hours

The risk of SSI increases in the presence of foreign materials and may be caused by organisms with low pathogenicity, such as skin flora derived from hands of surgical team members in the event of a glove breach. Previously, Suchomel, et al. (2018) were able to demonstrate that a novel antimicrobial surgical glove coated chlorhexidine-digluconate as the active ingredient on its inner surface was able to suppress surgeons’ hand flora during operative procedures by a magnitude of 1.7 log10 cfu/mL. Because of the clinical design of that study, the researchers say they were not able to measure the full magnitude of the possible antibacterial suppression effect of antimicrobial gloves over a full 3-hour period.

The experimental procedure followed the method for assessment of the 3-hour effects of a surgical hand rub’s efficacy to reduce the release of hand flora as described in the European Norm EN 12791. Healthy volunteers tested either an antimicrobial surgical glove or non-antimicrobial surgical latex gloves in a standardized laboratory-based experiment over a wear time of 3 hours.

Wearing antimicrobial surgical glove after a surgical hand rub with 60% (v/v) n-propanol resulted in the highest 3-hour reduction factor of 2.67 log10. Non-antimicrobial surgical gloves demonstrated significantly lower (p ≤ 0.01) 3-hour reduction factors at 1.96 log10 and 1.68 log10, respectively. Antibacterial surgical gloves are able to maintain a sustainable bacterial reduction on finger tips in a magnitude of almost 3 log10 (log10 2.67 cfu) over 3 hours of wear time.

The researchers conclude that the study demonstrated that wear of an antibacterial surgical glove coated with chlorhexidine-digluconate is able to suppress resident hand flora significantly over a period of 3 hours.

Reference: Suchomel M, et al. Chlorhexidine-coated surgical gloves influence the bacterial flora of hands over a period of 3 hours. Antimicrobial Resistance & Infection Control.2018;7:108

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