Intensive care units following a package of evidence-based interventions helped cut the national rate of catheter-related bloodstream infections by 58% between 2001 and 2009. Now more hospitals are looking to high-tech solutions to help when checklists are not enough.

Among the high-tech tools that have been well studied and recommended by the Centers for Disease Control and Prevention are sponge dressings impregnated with the disinfectant chlorhexidine and catheters impregnated with antibacterials or antibiotics.

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