Abstract
Prevention of catheter-related bloodstream infections is critically dependent on an accurate knowledge of the two main routes by which intravascular devices become contaminated: the extraluminal (skin-related) and the intraluminal (hub-related) routes. Extraluminal catheter seeding results from infection of the catheter entry site by microorganisms and leads to bacteremia most often during the week following catheter placement. The main ways of preventing it are appropriate skin disinfection and the adoption of maximal antiseptic barriers at the time of catheter insertion. Avoiding the internal jugular and the femoral veins, whenever possible, will reduce the likelihood of bacteremia. Intraluminal contamination is the consequence of improper handling of the catheter hub at the time of connection and disconnection of the administration set. It is the most common origin of catheter infections after the first week of catheter placement. Multiple-lumen catheters, side-ports and multipurpose catheters particularly increase the risk of endoluminal contamination. To prevent it, strict asepsis should be observed in hub handling and hubs should be protected against environmental soiling with an antiseptic impregnated gauze at all times. New technology is available for prevention of catheter infections: antibiotic and antiseptic-coated catheters, antiseptic hubs, disinfecting caps and flushing solutions are currently undergoing scientific assessment.
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Published online: 22 July 1999
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Sitges-Serra, A. Strategies for prevention of catheter-related bloodstream infections. Support Care Cancer 7, 391–395 (1999). https://doi.org/10.1007/s005200050298
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DOI: https://doi.org/10.1007/s005200050298