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J Antimicrob Chemother. 1992 Aug;30(2):135-9.

In-vitro efficacy of a central venous catheter complexed with iodine to prevent bacterial colonization.

Author information

1
Institute of Medical Microbiology and Hygiene, University of Cologne, Germany.

Abstract

Infections of central venous lines are still a problem in daily medicine. Despite adequate antibiotic therapy, removal of an infected catheter often becomes necessary. A simple procedure has been developed by which a special hydrophilic central venous catheter (Secalon-Hydrocath) can be loaded with iodine. Iodine is complexed in the hydrophilic polyvinylpyrrolidone surface coating of the Hydrocath catheter and is released during contact with an aqueous medium. The amount of complexed iodine depends on the incubation time in Lugol's solution. Antimicrobial activity of the loaded catheters was assessed with Staphylococcus epidermidis, showing complete inhibition of bacterial adherence to the catheters for the duration of iodine release. Depending on the experimental conditions, iodine released from the catheter is also active on bacteria in the surrounding medium.

PMID:
1399922
[Indexed for MEDLINE]
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