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posted by martyb on Friday July 31 2020, @05:22AM   Printer-friendly
from the dollars-and-sense dept.

Putting Copper in Hospitals:

[Copper] does this by leaching electrons from bacteria, which causes a charge to build up inside the cell which ultimately leads to free radical formation and cell death. Many studies have now shows that the microbial burden on copper surfaces is reduced by 80% compared to traditional surfaces. When used on frequently touched surfaces in hospitals, this can significantly reduce the amount of bacteria hanging around. Another study showed that the total reduction in bacteria from a copper alloy surface was 99.9% (compared to baseline, not to control surfaces). In controlled studies, copper surfaces work as advertised – they kill bacteria and viruses.

But does this actually reduce the incidence of hospital acquired infections (HAIs, also called health care associated infections)? The answer is yes. A 2017 systematic review of studies found that introducing copper surface in the hospital reduced HAIs by 25%.

[...] This will require a significant investment by hospitals – replacing beds, serving trays, tables, rails, door handles, and other high-touch surfaces. [...] The estimated cost of the most common HAIs is around $10 billion per year in the US. This cost is often absorbed by the hospital. This is because reimbursement for hospital stays is often determined by DRGs – diagnostic related groups. Hospitals are paid by insurance companies based upon the patient's diagnosis. If a patient is admitted for pneumonia, the hospital gets paid a fixed amount which represents the average cost of treating pneumonia. If the patient does well and is discharged quickly, the hospital makes money. If they do not do well and have complications and a prolonged stay, the hospital loses money. This provides a good financial incentive for hospitals to provide efficient and effective care, and minimize complications.

Previously:
(2020-07-19) Laser-Textured Metal Surfaces Kill Bacteria Faster


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  • (Score: 3, Interesting) by Immerman on Friday July 31 2020, @05:34PM

    by Immerman (3985) on Friday July 31 2020, @05:34PM (#1029385)

    > Solution: get rid of the door handles and replace them with plastic and a cleaning spray.

    ...And now you're right back to requiring cleaning staff to clean all the surfaces regularly - except now they have to clean them far MORE regularly in order to slow the spread of infection by the same amount.

    An alternate solution - don't worry about polishing the fixtures beyond whatever is necessary to maintain the anti-microbial properties, eliminating tarnish is useless vanity. Maybe polish the high-traffic areas that impart a first impression if you really care - most the hospitals I've been in get fairly ugly and sterile beyond that point anyway.

    As for theft, that's also easy to reduce - don't use solid copper. Electroplated steel should be just as antimicrobial, and have a scrap value approximately equal to plain steel. Yeah, it'll start corroding once the electroplating gets worn through, but the cost of occasionally replacing worn fixtures should be negligible.

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