Models to predict prevalence and transition dynamics of methicillin-resistant Staphylococcus aureus in community nursing homes

Highlights • Non-USA300 was predicted to remain the dominant MRSA strain in community nursing homes. At steady-state, 20% (95% CI, 15-25%) of residents were predicted to remain colonized with non-USA300 MRSA and 4% (95% CI, 2-7%) with USA300 MRSA. • Residents who used antibiotics in the previous 3 m...

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Published inAmerican journal of infection control Vol. 44; no. 5; pp. 507 - 514
Main Authors Batina, Nataliya G., PhD, Crnich, Christoper J., MD, PhD, Anderson, David F., PhD, Döpfer, Dörte, DVM, PhD
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.05.2016
Mosby-Year Book, Inc
Subjects
acquisition rates
Antibiotics
Carrier State - epidemiology
Carrier State - microbiology
colonization
Gram-positive bacteria
Humans
Infection Control
Infectious Disease
Longitudinal Studies
Methicillin-Resistant Staphylococcus aureus - isolation & purification
Multidrug resistant organisms
non-USA300 MRSA
Nursing Homes
Prevalence
Prospective Studies
Risk Factors
Staphylococcal Infections - epidemiology
Staphylococcal Infections - microbiology
USA300 MRSA
Wisconsin
Wisconsin
prevalence
risk factors
non-USA300 MRSA
USA300 MRSA
colonization
acquisition rates
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Summary:Highlights • Non-USA300 was predicted to remain the dominant MRSA strain in community nursing homes. At steady-state, 20% (95% CI, 15-25%) of residents were predicted to remain colonized with non-USA300 MRSA and 4% (95% CI, 2-7%) with USA300 MRSA. • Residents who used antibiotics in the previous 3 months were twice more likely to acquire MRSA than those who did not (acquisition rates 0.052 (95% CI, 0.038-0.075) and 0.025 (95% CI, 0.018-0.037), respectively). • Antibiotic stewardship may reduce MRSA colonization in community nursing homes.
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Dörte D.V. Döpfer, DVM, PhD, Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, 2027 Veterinary Medicine Building, 2015 Linden Dr, Madison, WI 53706 Department of Population Health Sciences, University of Wisconsin-Madison, 707 WARF Building, 610 North Walnut Street, Madison, WI 53726, USA dopferd@vetmed.wisc.edu
David F. Anderson, PhD, Department of Mathematics, University of Wisconsin-Madison, 617 E B Van Vleck Hall, 480 Lincoln Dr, Madison, WI 53706, anderson@math.wisc.edu
Nataliya G. Batina, MS, Department of Industrial and Systems Engineering, University of Wisconsin-Madison, 3270 Mechanical Engineering Building, 1513 University Avenue, Madison, WI 53706, USA batina@wisc.edu
Christoper J. Crnich, MD, PhD, Department of Medicine, University of Wisconsin-Madison, 5217 Medical Foundation Centennial Building, 1685 Highland Ave, Madison, WI 53705; William S. Middleton Veterans Affairs Hospital, 2500 Overlook Terrace, Madison, WI 53705, USA; Department of Industrial and Systems Engineering, University of Wisconsin-Madison, 3270 Mechanical Engineering Building, 1513 University Avenue, Madison, WI 53706, USA cjc@medicine.wisc.edu
ISSN:0196-6553
1527-3296
DOI:10.1016/j.ajic.2015.10.042