期刊
MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT
卷 68, 期 9, 页码 214-219出版社
CENTERS DISEASE CONTROL & PREVENTION
DOI: 10.15585/mmwr.mm6809e1
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Introduction: Staphylococcus aureus is one of the most common pathogens in health care facilities and in the community, and can cause invasive infections, sepsis, and death. Despite progress in preventing methicillin - resistant S. aureus (MRSA) infections in health care settings, assessment of the problem in both health care and community settings is needed. Further, the epidemiology of methicillin-susceptible S. aureus (MSSA) infections is not well described at the national level. Methods: Data from the Emerging Infections Program (EIP) MRSA population surveillance (2005-2016) and from the Premier and Caner Electronic Health Record databases (2012-2017) were analyzed to describe trends in incidence of hospital-onset and community-onset MRSA and MSSA bloodstream infections and to estimate the overall incidence of S. aureus bloodstream infections in the United States and associated in-hospital mortality. Results: In 2017, an estimated 119,247 S. aureus bloodstream infections with 19,832 associated deaths occurred. During; 2005-2012 rates of hospital-onset MRSA bloodstream infection decreased by 17.1% annually, but the decline slowed during 2013-2016. Community-onset MRSA declined less markedly (6.9 0 ) annually during 2005-2016), mostly related to declines in health care-associated infections. Hospital onset MSSA has not significantly changed (p = 0.11) , and community-onset MSSA infections have slightly increased (3.9% per year, p<0.0001) from 2012 to 2017. Conclusions and Implications for Public Health Practice: Despite reductions in incidence of MRSA bloodstream infections since 2005, S. aureus infections account fur significant morbidity and mortality in the United States. To reduce the incidence of these infections further, health care facilities should take steps to fully implement CDC recommendations for prevention of device- and procedure-associated infections and for interruption of transmission. New and novel prevention strategies are also needed.
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