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FRIDAY, Jan. 6, 2017 (HealthDay News) -- Rates of a deadly "superbug" called methicillin-resistant Staphylococcus aureus, or MRSA, have dropped steadily at hospitals and long-term care health care facilities run by the U.S. Department of Veterans Affairs over the past eight years, according to a new report.
Between 2007 and 2015, rates of monthly MRSA infections rates fell 37 percent in VA intensive care units. Infections in non-ICUs fell by about 30 percent, the study found.
Even larger reductions were seen in overall health care-acquired infections, which declined 80 percent or more in both ICUs and non-ICUs, researchers reported.
"We speculate that active surveillance was the primary driver of the downward trends seen in the VA," said study lead author Dr. Martin Evans, who is with the agency.
Staph bacteria, including MRSA, are one of the most common causes of health care-associated infections. MRSA doesn't respond to standard antibiotic treatment, and can lead to fatal pneumonia and bloodstream infections.
In 2007, the VA implemented a national initiative to address high rates of MRSA infection. This effort included dedicated MRSA prevention coordinators at each VA facility. Recommended guidelines included:
- Screening patients for MRSA at admission, transfer and discharge.
- Implementing "contact precautions" for those carrying or infected with MRSA.
- Ensuring adherence to hand hygiene.
- Encouraging a change in staff thinking, making infection prevention a common goal.
Researchers led by Evans tracked the progress of this program from October 2007 to September 2015. After analyzing monthly reports on MRSA screenings, hospital culture and patient data, the team said the emphasis on MRSA infections prompted health care workers to improve their safety precautions.
In September 2015, only two MRSA infections were reported in VA intensive care units. Twenty occurred in non-ICUs, including three in spinal cord injury units, according to the study.
Health care-associated infections also occurred less frequently in the VA's long-term care facilities. In these locations, rates fell nearly 50 percent between July 2009 and September 2015. That final month, 31 MRSA cases were reported nationwide in long-term care places, the researchers found.
"As we seek to protect patients from MRSA and other resistant organisms, our study supports the need for strong infection prevention programs at every health care facility," Evans concluded.
The findings appear in the Jan. 1 issue of the American Journal of Infection Control.
-- Mary Elizabeth Dallas
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