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Background  The number of bacteria recovered from a stainless steel coupon after touching a pigskin substrate with an examination glove coated on its outside with polyhexanide (PHMB), as compared to the number of bacteria recovered in the same manner with non-coated control gloves was evaluated.    Methods  Suspensions containing 1 × 10 9  colony-forming units of 4 clinically relevant bacterial species ( Enterococcus faecium  ATCC #51559;  Escherichia coli  ATCC #25922;  Klebsiella pneumoniae  ATCC #4352; and  Staphylococcus aureus  ATCC #33591) were used to contaminate Gamma-irradiated pigskin substrates. Bacterial recoveries from the pigskin substrate, stainless steel coupons, and each glove swatch were performed. A difference in the bacterial recovery from the stainless steel coupons after touching with coated and uncoated control gloves was measured.    Results  For  E. faecium , the coated glove showed a reduction of 4.63 log 10  cfu recovery, when compared to control gloves. For  E. coli , the coated glove showed 5.48 log 10  cfu, for  K. pneumoniae  5.03 log 10  cfu, and for  S. aureus  5.72 log 10  cfu recovery, when compared to the non-coated control glove.    Conclusion  An in-vitro experiment designed to mimic cross-contamination of clinically relevant bacteria in a simulated healthcare setting following glove contact with a contaminated biological surface and cross-transfer to a stainless steel surface has demonstrated that an examination glove coated on its outside surface with PHMB was able to reduce bacterial recovery from a contaminated surface by > 4 log 10  cfu, compared to a control non-coated examination glove. These elaborated results may encourage further clinical investigation on the clinical impact of an antibacterial examination glove.

antimicrobial resistance and infection control

In-vitro experimental evaluation of skin-to-surface recovery of four bacterial species by antibacterial and non-antibacterial medical examination gloves