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For all long-term care residents, pressure reduction foam mattresses were cost-effective 82 percentÂ of the time compared to standard mattresses, with average savings of $115 per resident, the researchers showed. Foam cleansers for incontinence care would be cost-effective 94 percentÂ of the time compared to soap and water, saving an average of $179 per resident.
The clinical benefits of foam cleansers for bedsores, or "pressure ulcers," however, require confirmation through more research, the team noted.
"These results provide specific evidence to support practice guidelines, which recommend reducing risk factors and improving skin health to prevent pressure ulcers," says Ba' Pham, lead author on the study and a senior research associate with the Toronto Health Economics and Technology Assessment (THETA) Collaborative. "We encourage all providers of long-term care to consider these changes," said Pham, who is completing his doctorate at U of T's Department of Health Policy, Management and Evaluation.
The Archives of Internal Medicine published the study in its current online edition.
In Ontario, there are approximately 72,000 long-term care residents in 89 facilities. As part of their study, the researchers conducted a phone survey with directors of care at 26 of those facilities, and found that only half their beds have pressure reduction foam mattresses. As well, roughly half of incontinence-care cleanings were performed with soap and water rather than foam cleansers.
This slow uptake of quality improvements in pressure ulcer care in Ontario may be connected to the condition's low profile relative to other diseases. "It's one of those diseases that's kind of silent," says Murray Krahn, principal investigator on the study who is a professor in the Department of Medicine and the Faculty of Pharmacy at U of T, and director of THETA. "Unlike HIV or breast cancer, there are no advocacy groups marching for pressure ulcers. The patients are seniors with co-morbidities and low mobility in long-term care," says Krahn.
Compounding the condition's visibility problem is that it doesn't belong to a particular clinical group. Patients are cared for by nurses, surgeons, infectious disease specialists, general practitioners and internists, so no one group is well-positioned to champion the cause effectively.
Yet, the disease burden for pressure ulcers is huge. From 5% to 10% of all residents in long-term care facilities have pressure ulcers, and a study published this year in the journal Health Affairs, cited by Pham and Krahn, pegged their treatment costs in all healthcare settingsincluding hospitals and home careat $3.3 billion U.S. annually. "We've estimated, crudely, that the economic burden for pressure ulcers is similar to diabetes. It's absolutely enormous," says Krahn.
The researchers also evaluated two other strategies for dealing with pressure ulcers: emollients to reduce dry skin, and oral nutritional supplements. They found some evidence that emollients were moderately cost-effective, and that supplements were not cost-effective, although both have been associated with clinical benefits.
Krahn attributes the range and strength of the study's results to the policy-oriented research model for pressure ulcers developed by his colleagues. "It's the work of about 15 people over two years looking at Ontario-specific data, and it's by far the best model in the world in this area," said Krahn.
That model, said Krahn, has produced a very clear message: "There's something relatively easy that can be done about pressure ulcers that will have a relatively large impact."
Funding for this study was provided in part by Health Quality Ontario and the Ontario Ministry of Health and Long-Term Care through THETA. The THETA Collaborative provides technology assessment support for the Ontario Health Technology Advisory Committee and the Medical Advisory Secretariat at Health Quality Ontario