| Prevalence of methicillin-resistant Staphylococcus aureus on the stethoscopes of emergency medical services providers. | |
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MedLine Citation:
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PMID: 19145528 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: The investigation seeks to determine the prevalence of methicillin-resistant Staphylococcus aureus (MRSA) on the stethoscopes of emergency medical services (EMS) providers. While stethoscopes are known fomites for MRSA, the prevalence of MRSA in the prehospital setting is not well documented in the literature. METHODS: This was a prospective, observational cohort study of 50 stethoscopes provided by consecutive, consenting EMS providers at our academic emergency department (ED). Stethoscopes were swabbed with saline culture applicators and samples were cultured on a commercial MRSA test kit containing mannitol salt agar with oxacillin. After 72 hours of incubation at 37 degrees C, two emergency physicians and one microbiologist analyzed the plates independently. MRSA colonization was recorded as positive if all three reviewers agreed that colonization had occurred. RESULTS: Of 50 stethoscopes, 16 had MRSA colonization, and 16 (32%) EMS professionals had no recollection of when their stethoscopes had been cleaned last. Reported length of time since last cleaning was grouped into six categories: one to seven days, eight to 14 days, 15 to 30 days, 31 to 180 days, 181 days to 365 days, and unknown. The median time frame reported since the last cleaning was one to seven days. In the model, an increase from one time category to the next increased the odds of MRSA colonization by 1.86 (odds ratio = 1.86, p = 0.038). CONCLUSIONS: In this ED setting, MRSA was found on approximately one in three stethoscopes of EMS professionals. A longer length of time since the last stethoscope cleaning increased the odds of MRSA colonization. |
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Authors:
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Mark A Merlin; Matthew L Wong; Peter W Pryor; Kevin Rynn; Andreia Marques-Baptista; Rachael Perritt; Catherine G Stanescu; Timothy Fallon |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors Volume: 13 ISSN: 1545-0066 ISO Abbreviation: Prehosp Emerg Care Publication Date: 2009 Jan-Mar |
Date Detail:
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Created Date: 2009-01-15 Completed Date: 2009-05-13 Revised Date: 2009-12-30 |
Medline Journal Info:
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Nlm Unique ID: 9703530 Medline TA: Prehosp Emerg Care Country: United States |
Other Details:
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Languages: eng Pagination: 71-4 Citation Subset: IM |
Affiliation:
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Department of Emergency Medicine, Robert Wood Johnson Medical School, New Brunswick, New Jersey 08901, USA. merlinma@umdnj.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cohort Studies Colony Count, Microbial Cross Infection / etiology Decontamination / statistics & numerical data Emergency Medical Technicians* Equipment Contamination / statistics & numerical data* Humans Methicillin-Resistant Staphylococcus aureus / isolation & purification* New Jersey / epidemiology Prevalence Stethoscopes / microbiology* |
| Comments/Corrections | |
Comment In:
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Prehosp Emerg Care. 2010 Jan-Mar;14(1):134; author reply 135
[PMID:
19947879
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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