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The potential for developing new antimicrobial resistance from the use of medical devices containing chlorhexidine, minocycline, rifampicin and their combinations: a systematic review.
JAC Antimicrob Resist
March 2020
Department of Infectious Diseases, Infection Control and Employee Health, University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Background: Catheter infections remain one of the most persistent adverse events causing significant morbidity, economic impact and mortality. Several strategies have been proposed to reduce these infections including the use of catheters embedded with antibiotics and/or antiseptics. One reoccurring challenge is the fear that antimicrobial medical devices will induce resistance.
View Article and Find Full Text PDFIn vitro activity of antimicrobial-impregnated catheters against biofilms formed by KPC-producing Klebsiella pneumoniae.
J Appl Microbiol
October 2019
Oral Microbiology and Anaerobe Laboratory, Institute of Biological Science, Federal University of Minas Gerais - Avenida Presidente Antônio Carlos, Belo Horizonte, MG, Brazil.
Aim: To evaluate the activity and effectiveness of impregnated central venous catheters (CVC) against Klebsiella pneumoniae biofilms.
Methods And Results: The antimicrobial activity and durability of impregnated-CVCs were evaluated over time and the size of zones of inhibition (ZI) was measured. Biofilm formation was observed by quantitative culture and also by scanning electron microscopy.
Impact of catheter antimicrobial coating on species-specific risk of catheter colonization: a meta-analysis.
Antimicrob Resist Infect Control
December 2012
Department of Medicine, Warren Alpert Medical School of Brown University, Brown, USA.
Background: Antimicrobial catheters have been utilized to reduce risk of catheter colonization and infection. We aimed to determine if there is a greater than expected risk of microorganism-specific colonization associated with the use of antimicrobial central venous catheters (CVCs).
Methods: We performed a meta-analysis of 21 randomized, controlled trials comparing the incidence of specific bacterial and fungal species colonizing antimicrobial CVCs and standard CVCs in hospitalized patients.
Chlorhexidine-silver sulfadiazine-impregnated central venous catheters: in vitro antibacterial activity and impact on bacterial adhesion.
New Microbiol
April 2012
Dipartimento di Malattie Infettive, Universita egli Studi di Pavia, Italy.
The aim of this study was to compare the in vitro activity and the impact on bacterial adhesion of two different catheters, one impregnated with chlorhexidine-silver sulfadiazine (C-SS) and the other not impregnated with antibacterial agents. The antimicrobial coating prevented the bacterial colonization by slime positive Staphylococcus epidermidis in the first two days. The antibacterial activity of the effluents from catheters impregnated with C-SS dissipated by day seven.
View Article and Find Full Text PDFPrevention of catheter-related blood stream infection: back to basics?
Surg Infect (Larchmt)
February 2011
Department of Acute Care Surgery, University of Michigan, 1500 E. Medical Center Drive, Ann Arbor, MI 48109, USA.
Background: Central venous catheter (CVC)-related infections are a substantial problem in the intensive care unit (ICU). Our infection control team initiated the routine use of antiseptic-coated (chlorhexidine-silver sulfadiazine; Chx-SS) CVCs in our adult ICUs to reduce catheter-associated (CA) and catheter-related (CR) blood stream infection (BSI) as we implemented other educational and best practice standardization strategies. Prior randomized studies documented that the use of Chx-SS catheters reduces microbial colonization of the catheter compared with an uncoated standard (Std) CVC but does not reduce CR-BSI.
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