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MRSA colonization common in groin, rectal areas

Date:
August 13, 2014
Source:
Society for Healthcare Epidemiology of America
Summary:
Colonization of methicillin-resistant Staphylococcus aureus allows people in the community to unknowingly harbor and spread this life-threatening bacteria. The inside of the front of the nose is where this bacteria is most predominant, but new research shows nearly all colonized individuals have this bacteria living in other body sites, including the groin and rectal areas.

Colonization of methicillin-resistant Staphylococcus aureus (MRSA) allows people in the community to unknowingly harbor and spread this life-threatening bacteria. The inside of the front of the nose is where this bacteria is most predominant, but new research shows nearly all colonized individuals have this bacteria living in other body sites. The study was published in Infection Control and Hospital Epidemiology, the journal of the Society for Healthcare Epidemiology of America.

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"While people colonized with MRSA may not be sick, the bacteria can become aggressive and lead to infection in the person or others," said Kyle Popovich, MD, MS, lead author of the study.

Because of the risk of transmission, hospitals have developed infection control and prevention efforts that identify individuals with nasal MRSA colonization. These patients may be placed in isolation or decolonized of MRSA by treating and removing the bacteria from the patient's nose and skin. These strategies have been used to prevent MRSA infections for the patient and to decrease risk of spread of MRSA to other patients. Several states also mandate these MRSA surveillance programs.

Researchers collected surveillance swab specimens for nose and other body sites from patients at Stroger Hospital of Cook County within 72 hours of admission from March 2011-April 2012. After analyzing the samples, researchers observed that, following the nose, the rectal and groin areas were frequent sites of colonization of community-associated MRSA. The bacteria were found in these body sites more often in men than women.

"Our findings show that MRSA colonization is not limited to the nose. This may have important implications MRSA surveillance programs nationwide," said Popovich.


Story Source:

The above story is based on materials provided by Society for Healthcare Epidemiology of America. Note: Materials may be edited for content and length.


Journal Reference:

  1. Kyle J. Popovich, Alla Aroutcheva, Bala Hota, Kathleen G. Beavis, Mary K. Hayden, Robert A. Weinstein. Anatomic Sites of Colonization with Community-Associated Methicillin-ResistantStaphylococcus aureus. Infection Control and Hospital Epidemiology, 2014; 35 (9): 1192 DOI: 10.1086/677627

Cite This Page:

Society for Healthcare Epidemiology of America. "MRSA colonization common in groin, rectal areas." ScienceDaily. ScienceDaily, 13 August 2014. <www.sciencedaily.com/releases/2014/08/140813103942.htm>.
Society for Healthcare Epidemiology of America. (2014, August 13). MRSA colonization common in groin, rectal areas. ScienceDaily. Retrieved December 21, 2014 from www.sciencedaily.com/releases/2014/08/140813103942.htm
Society for Healthcare Epidemiology of America. "MRSA colonization common in groin, rectal areas." ScienceDaily. www.sciencedaily.com/releases/2014/08/140813103942.htm (accessed December 21, 2014).

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