-- Robert Preidt
FRIDAY, Jan. 7 (HealthDay News) -- A new study finds that people
with high levels of methicillin-resistant staphylococcus aureus
(MRSA) bacteria in the nose are more likely to have other areas of
the body colonized by MRSA, which can cause potentially fatal
Researchers at Rhode Island Hospital wanted to assess the
quantity of MRSA at different locations on the body and the
relationship between the quantities of MRSA at different
The investigators found that MRSA was more likely to be found in
the nose than under the arms, the groin, or the perineum (skin
between the rectum and genitals). They also found that people with
high levels of MRSA in the nose were more likely to have MRSA in
the other three locations.
"This study shows us that the quantities of MRSA at different body sites are highly correlated. Also, if screening cultures are to be done for MRSA, it is best to screen the nose and groin to get the highest yield," lead author Dr. Leonard Mermel, medical director of the epidemiology and infection control department, said in a hospital news release.
The study was released online Jan. 5 in advance of publication
in an upcoming print issue of the
Journal of Clinical Microbiology.
"We hope that future studies will assess whether or not a greater number of body sites colonized with MRSA or a greater quantity of MRSA at those body sites impacts the likelihood of future MRSA infections," Mermel said.
The U.S. Centers for Disease Control and Prevention has more
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