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A study has found that intensive care unit (ICU) copper hospital beds harbour 95% fewer bacteria than conventional hospital beds, maintaining these low-risk levels throughout a patient鈥檚 stay in hospital. The research is published in , a journal of the .

黑料吃瓜群网-acquired infections are the eighth-leading cause of death in the US and hospital beds are among the most contaminated surfaces in patient care settings.

鈥満诹铣怨先和�-acquired infections sicken approximately two million Americans annually, and kill nearly 100,000 鈥� numbers roughly equivalent to the number of deaths if a wide-bodied jet crashed every day,鈥� said study author Michael G Schmidt, Professor of Microbiology and Immunology at the , Charleston.

鈥淒espite the best efforts by environmental services workers, they are neither cleaned often enough, nor well enough.鈥�

Until recently, patient beds incorporating copper surfaces 鈥� long known to repel and kill bacteria 鈥� have not been commercially available. Knowledge of copper鈥檚 antimicrobial properties dates back to ancient Ayurveda, when drinking water was often stored in copper vessels to prevent illness. In the modern medical era, numerous studies have noted copper鈥檚 antimicrobial properties. However, until recently, no-one had designed acute-care hospital beds that enabled all high-risk surfaces to be encapsulated in copper.

鈥淏ased on the positive results of previous trials, we worked to get a fully encapsulated copper bed produced,鈥� Dr Schmidt said.

鈥淲e needed to convince manufacturers that the risk to undertake this effort was worthwhile.鈥�

The in situ study compared the relative contamination of ICU beds outfitted with copper rails, footboards and bed controls with traditional hospital beds with plastic surfaces. Nearly 90% of the bacterial samples taken from the tops of the plastic rails had concentrations of bacteria that exceed levels considered safe.

鈥淭he findings indicate that antimicrobial copper beds can assist infection control practitioners in their quest to keep healthcare surfaces hygienic between regular cleanings, thereby reducing the potential risk of transmitting bacteria associated with healthcare associated infections,鈥� Dr Schmidt said.

With the advent of copper-encapsulated hospital beds, dividends will likely be paid in improved patient outcomes, lives saved and healthcare dollars saved.

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