Magazine article Health Facilities Management

Study: UV Light Helps to Eliminate Key Superbugs

Magazine article Health Facilities Management

Study: UV Light Helps to Eliminate Key Superbugs

Article excerpt

Ultraviolet (UV) light can enhance hospitals' efforts to disinfect patient rooms from drug-resistant bacteria, according to a new study led by Duke Health.

The study, recently published in The Lancet, tested the use of ultraviolet C (UVC) against four superbugs: methicillin-resistant Staphylococcus aureus (MRSA); vancomycin-resistant enterococci (VRE); Acinetobacter; and Clostridium difficile.

The trial compared standard disinfection using quaternary ammonium with three other cleaning methods: quaternary ammonium followed by UV light, chlorine bleach without UV light, and bleach with UV light.

The study was conducted in nine Southeast hospitals and included more than 21,000 patients, each of whom stayed overnight in a room where someone with a known positive culture or infection of a superbug had been treated.

The UV light machine was set up in a relatively central location in the room being readied for the next patient so that the light could bounce into open drawers, the bathroom and hard-to-reach areas, says Deverick Anderson, M.D., an infectious diseases specialist at Duke Health and lead researcher. …

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