Active surveillance of the trachea or throat for MRSA is more sensitive than nasal surveillance and a better predictor of MRSA infections among patients in intensive care.

<h4>Background</h4>Methicillin-resistant Staphylococcus aureus (MRSA) is one of the most common causes of infection in the intensive care unit (ICU). Although surveillance culture for MRSA is recommended for ICU patients, no comparative study investigating the optimal sites and frequency...

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Autores principales: Hee-Chang Jang, Ok-Ja Choi, Gwang-Sook Kim, Mi-Ok Jang, Seung-Ji Kang, Sook-In Jung, Jong-Hee Shin, Byeong Jo Chun, Kyung-Hwa Park
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Publicado: Public Library of Science (PLoS) 2014
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spelling oai:doaj.org-article:d3a03220012f465190c5b13f6f9be61f2021-11-18T08:16:34ZActive surveillance of the trachea or throat for MRSA is more sensitive than nasal surveillance and a better predictor of MRSA infections among patients in intensive care.1932-620310.1371/journal.pone.0099192https://doaj.org/article/d3a03220012f465190c5b13f6f9be61f2014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24911358/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Methicillin-resistant Staphylococcus aureus (MRSA) is one of the most common causes of infection in the intensive care unit (ICU). Although surveillance culture for MRSA is recommended for ICU patients, no comparative study investigating the optimal sites and frequency of culture has been performed in this population.<h4>Methods</h4>A prospective observational cohort study was performed in an 18-bed emergency intensive care unit (EICU) in a tertiary teaching hospital. A total of 282 patients were included. Samples for MRSA detection were obtained at the time of admission, 48 h after admission, and then weekly thereafter. All subjects were routinely monitored for the development of MRSA infection during their stay in the ICU.<h4>Results</h4>MRSA colonization was detected in 129 (46%) patients over the course of the study. The sensitivity of MRSA surveillance culture was significantly higher in throat or tracheal aspirates (82%; 106/129) than in anterior nares (47%; 61/129) (P<0.001). The sensitivity of MRSA surveillance culture for subsequent MRSA infection and MRSA pneumonia was also higher in the throat/trachea (69 and 93%, respectively) than in the anterior nares (48 and 50%, respectively). The area under the curve for subsequent MRSA infection was higher in trachea/throat (0.675) than in the anterior nares (0.648); however, this difference was not significant (P>0.05). The area under the curve for MRSA pneumonia was significantly higher in trachea/throat (0.791; 95% CI, 0.739-0.837) than anterior nares (0.649; 95% CI, 0.590-0.705) (P = 0.044).<h4>Conclusion</h4>MRSA colonization was more common in the trachea/throat than in the anterior nares in ICU patients. Cultures from throat or tracheal aspirates were more sensitive and predictive of subsequent MRSA pneumonia than cultures from the anterior nares in this population.Hee-Chang JangOk-Ja ChoiGwang-Sook KimMi-Ok JangSeung-Ji KangSook-In JungJong-Hee ShinByeong Jo ChunKyung-Hwa ParkPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 6, p e99192 (2014)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Hee-Chang Jang
Ok-Ja Choi
Gwang-Sook Kim
Mi-Ok Jang
Seung-Ji Kang
Sook-In Jung
Jong-Hee Shin
Byeong Jo Chun
Kyung-Hwa Park
Active surveillance of the trachea or throat for MRSA is more sensitive than nasal surveillance and a better predictor of MRSA infections among patients in intensive care.
description <h4>Background</h4>Methicillin-resistant Staphylococcus aureus (MRSA) is one of the most common causes of infection in the intensive care unit (ICU). Although surveillance culture for MRSA is recommended for ICU patients, no comparative study investigating the optimal sites and frequency of culture has been performed in this population.<h4>Methods</h4>A prospective observational cohort study was performed in an 18-bed emergency intensive care unit (EICU) in a tertiary teaching hospital. A total of 282 patients were included. Samples for MRSA detection were obtained at the time of admission, 48 h after admission, and then weekly thereafter. All subjects were routinely monitored for the development of MRSA infection during their stay in the ICU.<h4>Results</h4>MRSA colonization was detected in 129 (46%) patients over the course of the study. The sensitivity of MRSA surveillance culture was significantly higher in throat or tracheal aspirates (82%; 106/129) than in anterior nares (47%; 61/129) (P<0.001). The sensitivity of MRSA surveillance culture for subsequent MRSA infection and MRSA pneumonia was also higher in the throat/trachea (69 and 93%, respectively) than in the anterior nares (48 and 50%, respectively). The area under the curve for subsequent MRSA infection was higher in trachea/throat (0.675) than in the anterior nares (0.648); however, this difference was not significant (P>0.05). The area under the curve for MRSA pneumonia was significantly higher in trachea/throat (0.791; 95% CI, 0.739-0.837) than anterior nares (0.649; 95% CI, 0.590-0.705) (P = 0.044).<h4>Conclusion</h4>MRSA colonization was more common in the trachea/throat than in the anterior nares in ICU patients. Cultures from throat or tracheal aspirates were more sensitive and predictive of subsequent MRSA pneumonia than cultures from the anterior nares in this population.
format article
author Hee-Chang Jang
Ok-Ja Choi
Gwang-Sook Kim
Mi-Ok Jang
Seung-Ji Kang
Sook-In Jung
Jong-Hee Shin
Byeong Jo Chun
Kyung-Hwa Park
author_facet Hee-Chang Jang
Ok-Ja Choi
Gwang-Sook Kim
Mi-Ok Jang
Seung-Ji Kang
Sook-In Jung
Jong-Hee Shin
Byeong Jo Chun
Kyung-Hwa Park
author_sort Hee-Chang Jang
title Active surveillance of the trachea or throat for MRSA is more sensitive than nasal surveillance and a better predictor of MRSA infections among patients in intensive care.
title_short Active surveillance of the trachea or throat for MRSA is more sensitive than nasal surveillance and a better predictor of MRSA infections among patients in intensive care.
title_full Active surveillance of the trachea or throat for MRSA is more sensitive than nasal surveillance and a better predictor of MRSA infections among patients in intensive care.
title_fullStr Active surveillance of the trachea or throat for MRSA is more sensitive than nasal surveillance and a better predictor of MRSA infections among patients in intensive care.
title_full_unstemmed Active surveillance of the trachea or throat for MRSA is more sensitive than nasal surveillance and a better predictor of MRSA infections among patients in intensive care.
title_sort active surveillance of the trachea or throat for mrsa is more sensitive than nasal surveillance and a better predictor of mrsa infections among patients in intensive care.
publisher Public Library of Science (PLoS)
publishDate 2014
url https://doaj.org/article/d3a03220012f465190c5b13f6f9be61f
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