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- W2313178357 abstract "Between 2001 and 2011, the percentage of carbapenem-resistant Enterobacteriaceae infections reported by acute care hospitals in the United States increased nearly fourfold, from 1.2% to 4.2%. More recent data, from the first 6 months of 2102, suggest that the percentage of such infections is now slightly higher, at 4.6% at all hospitals. Long-term, acute care hospitals appear to have, by far, the highest rate of “CRE” infections, which showed up in 36 of 202 such facilities surveyed, or 17.8%. The report didn't analyze the rate of bacterial resistance in skilled nursing facilities or residential nursing homes, but Centers for Disease Control and Prevention (CDC) officials recommended caution in those settings as well. The findings, which appear in a Vital Signs report released by the CDC last month, are significant because CRE can kill up to 50% of patients who get bloodstream infections from them. “It's not often that our scientists come to me to say that we have a very serious problem and we need to sound an alarm,” CDC Director Tom Frieden said during a telephone press briefing. “But that's exactly what we're doing today. This Vital Signs is an early warning about a health care–associated infection that's happening in hospitals and other inpatient medical facilities. The good news is that we now have an opportunity to prevent its further spread. The sooner we act, the less likely it will get out into the community.” For one component of the report, CDC researchers analyzed data from the National Healthcare Safety Network (NHSN) and its predecessor, the National Nosocomial Infections Surveillance system (NNIS), for the number of Enterobacteriaceae isolates; the percentage reported to be tested against carbapenems; and the percentage reported as carbapenem-resistant in 2001 and in 2011. For another component, the researchers evaluated NHSN data for the number and percentage of facilities reporting CRE from a catheter-associated urinary tract infection or central line-associated bloodstream infection between January and June of 2012. Dr. Frieden characterized CRE as “nightmare bacteria” that pose a triple threat. “First, they're resistant to all or nearly all antibiotics – even some of our last-resort drugs,” he explained. “Second, they have high mortality rates. They kill up to half of people who get serious infections with them. And third, they can spread their resistance to other bacteria such as Escherichia coli and make E. coli resistant to those antibiotics also.” The risk of CRE infection is highest among patients who are receiving complex or long-term medical care, including those in nursing homes. It's commonly spread by people with unclean hands but “medical devices such as ventilators or catheters [also] increase the risk of life-threatening infection because they allow new bacteria to get deeply into a patient's body,” Dr. Frieden said. According to the report, health care facilities in the Northeastern states report the most cases of CRE, with 42 states reporting having had at least one patient test positive for the infection. In addition, one type of CRE, a resistant form of Klebsiella pneumoniae, demonstrated a nearly sevenfold increase between 2001 and 2011, jumping from 1.6% to 10.4%. “That's a very troubling increase,” Dr. Frieden said. “In some of those places, these bacteria are now a routine challenge for patients and clinicians.” The good news “is that we still have time to stop CRE. Many facilities can act now to prevent CRE from emerging or, if it has emerged, to control it. We need health care leaders, clinicians, and health care departments to act to prevent CRE, so it doesn't become widespread and spread to the community.” He listed six practical ways that hospitals, nursing homes, long-term acute care facilities, and health departments can prevent CRE: ▸Know if your particular patient has CRE and request immediate alerts from your laboratory every time it identifies any patient with the infection.▸When receiving or transporting patients, make sure to ask or find out if the patient you're receiving has CRE.▸Protect your patients from CRE by following contact and other precautions whenever you're treating patients with CRE “so you don't inadvertently spread their organism to someone else.”▸Whenever possible, have specific rooms, equipment, and staff to care for CRE patients. “This reduces the chance that CRE will spread from one patient to others,” he said.▸Remove temporary medical devices such as catheters as soon as possible.▸Prescribe antibiotics carefully. “Unfortunately, half of the antibiotics prescribed in this country are either unnecessary or inappropriate,” Dr. Frieden said. “Overuse and misuse increases drug-resistant infections. That results in longer inpatient treatment, higher costs, and poorer patient outcomes.” These and other recommendations for hospitals, long-term acute care facilities, nursing homes, and health departments can be found in a CRE prevention toolkit released by the CDC in 2012. “We're gratified to see that places that have implemented these tools have seen dramatic reductions in their CRE rates,” Dr. Frieden said. Authors of the report acknowledged at least three limitations of the data. First, they wrote, “antimicrobial susceptibility data reported to NNIS and NHSN were generated at individual institutions rather than [at] a central laboratory, and testing methodologies vary between facilities. Second, susceptibility interpretation is based on the recommended break points used when tested. Although carbapenem break points for Enterobacteriaceae were lowered in 2010 and might have influenced the increase in the percentage of isolates that were carbapenem-resistant, most laboratories would not have incorporated those changes by 2011. Finally, in some instances, complete susceptibility test results, particularly for carbapenems, were not reported to NNIS or NHSN, leading to a subset of isolates that were not included in these analyses.” The researchers reported having no relevant conflict of interest." @default.
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- W2313178357 date "2013-04-01" @default.
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- W2313178357 title "‘Nightmare Bacteria’ Are on Rise in Facilities, CDC Says" @default.
- W2313178357 doi "https://doi.org/10.1016/j.carage.2013.03.001" @default.
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