紫外线消毒或可降低医院获得性感染
Studies: UV light disinfectant, universal decolonization may reduce HAI.
An article published in the Journal of the American Medical Association summarizes findings from two studies on hospital-acquired infection (HAI) presented at the annual scientific meeting of the Infectious Diseases Society of America. The first study examined the efficacy of using a robot that emits ultraviolet (UV) light to disinfect hospital rooms after a patient infected with Clostricium difficile, Acinetobacter, or Vancomycin-resistant Enterococcus (VRE) was discharged. The researchers found that, in rooms that had housed patients with VRE or Acinetobacter, there was a more than 90 percent reduction in colony-forming units of VRE or Acinetobacter after UV treatment, and no environmental samples taken from UV-treated rooms that housed patients with C. difficile yielded cultures of the organism.
A second study assigned 43 hospitals to one of three cohorts: screen and isolate intensive care unit (ICU) patients who tested positive for methicillin-resistant Staphylococcus aureus (MRSA), screen and perform targeted decolonization of patients who tested positive for MRSA, or decolonize all ICU patients without screening. The researchers found that universal decolonization was most effective at reducing MRSA infections in the ICU, with a 37 percent reduction in the risk of MRSA colonization and a 44 percent reduction in bloodstream infections.
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