Single Patient Rooms Reduce Hospital Acquired Infections – Cornell University

November 10, 2015

Read the full study in the Journal of Critical Care

In the war against infections, constructing single-patient rooms – rather than sick-bay style, multi-patient rooms – reduces hospital-acquired infections among patients. A new Cornell-led study finds that the purported high building costs of private hospital rooms are more than offset by the financial benefits of keeping patients safer from infection.

"We showed that although single-patient rooms are more costly to build and operate, they can result in substantial savings compared with open-bay rooms – all of this by avoiding costs associated with hospital-acquired infections,” says Hessam Sadatsafavi, Cornell postdoctoral researcher and lead author of a recent paper on the Journal of Critical Care.

Hospital-acquired infections are the most common complication of hospital care in the U.S. and lead to extended hospital stays, ultimately increasing cost and risk of mortality. Recent health care reforms in the U.S. link Medicare reimbursements of hospital care to the performance of hospitals, including infection rates. As a result, hospitals are vigilant to reduce incidents of acquired infections like methicillin-resistant Staphylococcus aureus (MRSA), Pseudomonas and Candida, the three most common – and most difficult to cure – infectious diseases in medical facilities.

The researchers compared costs of constructing single rooms or converting multi-patient rooms to private rooms, including subsequent annual operational costs, and then looked at the “internal rate of return” to assess the financial feasibility of the investment in private rooms. For investors, the internal rate of return must be acceptable – 10 percent, for example – to consider the project feasible. The researchers discovered that building new private rooms or private-room conversions made economic sense, as the internal rate of return – over a five-year analysis period – was 56.18 percent, considerably higher than any liberal estimates of rate of return acceptable by healthcare organizations.

"While creating and operating larger private rooms from multi-patient rooms are expensive," Sadatsafavi says, "You have to spend additional money to treat the patients that acquired infection, as it would increase their hospital stay, and to contain the sickness – powerful cleaning supplies, support services. Single-patient ICU rooms reduce the cross-transmission rate and avoid extra medical costs to contain infection, and our research showed that these savings offsets capital costs.”

Source: Cornell University

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