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Keyboards Adding To Infection Control Issues

Fri, 06/04/2010 - 4:54am

“Contamination was predominantly found in non-treatment areas,” says Angela Pugliese, M.D., lead author of the study and an emergency department physician at Henry Ford Hospital. “This suggests that only areas without true patient contact, and likely less frequent hand washing, might benefit from using washable silicone rubber or antibacterial keyboards instead of a standard keyboard.”

Multiple studies have found colonies of bacteria on computer keyboards. Due to the threat of its potential spread to patients, Henry Ford's Information Technology and Infection Control departments recommended exchanging traditional keyboards in the Emergency Department for washable, silicone rubber models. The objective of this study was to determine the frequency and type of keyboard contamination before replacing them.

Seventy-two standard, non-silicone rubber keyboards were swabbed on two different days, six days apart. All keyboard keys, except the function keys, were cultured and analyzed for bacteria. Less than 14 percent, or 10 keyboards, were colonized with nine different bacteria. Of the keyboards in non-treatment areas, nearly 32 percent were contaminated, versus less than nine percent in treatment areas.

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