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WEDNESDAY, March 6, 2019 (HealthDay News) — Staphylococcus aureus<\/i> infections are still a concern in the United States, despite a decline seen in hospital-onset methicillin-resistant S. aureus<\/i> (MRSA) infections since 2005, according to two reports published in the March 5 early-release issue of the U.S. Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report<\/i>.<\/p>\n
In the first study, Athena P. Kourtis, M.D., Ph.D., M.P.H., from the CDC in Atlanta, and colleagues describe trends in the incidence of MRSA and methicillin-sensitive S. aureus<\/i> (MSSA) bloodstream infections. The authors note that an estimated 119,247 S. aureus<\/i> bloodstream infections occurred in 2017, with 19,832 associated deaths. From 2005 to 2012, there was a 17.1 percent decrease in the rates of hospital-onset MRSA bloodstream infection annually; during 2013 to 2016, the decline slowed. There was no significant change in hospital-onset MSSA; community-onset MSSA infections increased slightly by 3.9 percent per year from 2012 to 2017.<\/p>\n
In the second report, Makoto Jones, M.D., from the Veterans Affairs Salt Lake City Healthcare System, and colleagues examined clinical microbiology data for patients admitted to an acute-care Veterans Affairs medical center (VAMC) from 2005 through 2017. All VAMCs had initiated a multifaceted MRSA prevention program by 2007. The researchers observed a 43 percent decrease in S. aureus<\/i> infections overall. This decrease was mainly due to a 55 percent decrease in MRSA compared with a 12 percent decrease in MSSA. There were decreases of 66 and 19 percent in hospital-onset MRSA and MSSA infections, respectively. During 2008 to 2017, acquisition of MRSA colonization decreased 78 percent.<\/p>\n
“The significant reduction in S. aureus<\/i> infection observed across VAMCs, driven primarily by a decrease in MRSA infection rates, offers important insights that can inform national S. aureus<\/i> prevention strategy,” Jones and colleagues write.<\/p>\n
Abstract\/Full Text – Kourtis<\/a><\/p>\n