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Antibiofilm Properties of Triclosan with EDTA or Cranberry as Foley Catheter Lock Solutions.

Posted: 
March 20, 2020
Authors: 
Ayyash M; Shehabi AA; Mahmoud NN; Al-Bakri AG.
Journal: 
Journal of Applied Microbiology. 127(6):1876-1888
Abstract: 

AIMS: To investigate the efficiency of triclosan, ethylenediaminetetraacetic acid (EDTA) and cranberry alone or in combinations against Escherichia coli strains as urinary catheter lock solutions to reduce catheter-associated urinary tract infections.METHODS AND RESULTS: Viable counting was used to assess antibiofilm activities for triclosan, EDTA and cranberry alone or in combinations against E. coli strains embedded in biofilm onto all-silicon Foley catheter surface. The results revealed that combination of triclosan (10 mg ml-1 /EDTA 30 mg ml-1 ) when filling the catheter balloon was able to eradicate and prevent biofilm formation among all tested E. coli including the resistant strains, whereas triclosan (8.5 mg ml-1 )/ cranberry (103 mg ml-1 ) combination was a successful catheter lock solution by preventing all tested strains from adhering onto catheter surface when filled via the eye hole.CONCLUSIONS: The combinations of triclosan/EDTA and triclosan/cranberry were significantly effective in eradicating and preventing biofilm formation of the tested E. coli strains on Foley catheters.SIGNIFICANCE AND IMPACT OF THE STUDY: Combinations of triclosan/EDTA and triclosan/cranberry have a promising application as nonantibiotic catheter lock solution.