Introduction: is a Gram positive bacterium which is responsible for a wide range of infections. This pathogen has also the ability to adhere to biotic or abiotic surface such as central venous catheter (CVC) and to produce a biofilm. The aim of this study was to evaluate the effect of hexadecyltrimethyl ammonium bromide (HTAB) and Hexadecylbetainate chloride (HBC) on adherence to the catheter tubing and on bacteria growth.
Methods: Broth microdilution method was used to determine the Minimal Inhibitory Concentration (MIC). The detection of slime production was done by Congo Red Agar method, and the adherence of bacteria to the catheter tubing was evaluated by the enumeration of bacteria on plate counts.
Results: The results of this study showed that the MICs of HTAB were ranged from 0.125 to 0.5 µg/mL, and those of HBC fluctuated between 2 to 8 µg/mL. HTAB and HBC inhibited bacteria adhesion on the surface of the catheter tubing.
Conclusion: This study showed that HTAB and HBC can prevent the adherence of strains to the surface of catheter tubing, suggesting that they could be used to prevent the risk of catheter related bloodstream infections.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5321151 | PMC |
| http://dx.doi.org/10.11604/pamj.2016.25.50.8134 | DOI Listing |
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