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Frequent transmission of enterococcal strains between mechanically ventilated patients treated at an intensive care unit
Södertörn University, Avdelning Naturvetenskap.
Södertörn University, Avdelning Naturvetenskap.
2002 (English)In: Journal of Clinical Microbiology, ISSN 0095-1137, E-ISSN 1098-660X, Vol. 40, no 6, 2084-2088 p.Article in journal (Refereed) Published
Abstract [en]

The objectives of this investigation were to study the respiratory tract colonization and transmission of enterococci between 20 patients treated with mechanical ventilation at an intensive care unit (ICU), to compare genotyping with phenotyping, and to determine the antibiotic susceptibilities of the isolated enterococci. Samples were collected from the oropharynx, stomach, subglottic space, and trachea within 24 It of intubation, every third day until day 18, and thereafter every fifth day until day 33. Enterococcal isolates (n = 170) were analyzed by pulsed-field gel electrophoresis and with the PhenePlate (PhP) system. The antimicrobial susceptibilities to five agents were determined. Seventeen of the 20 subjects were colonized with enterococci in the respiratory tract; 12 were colonized in the lower respiratory tract. Genotype analyses suggested that 13 patients were involved in a transmission event, including all patients intubated more than 12 days. In conclusion, colonization of resistant enterococci in the respiratory tract of intubated patients treated at an ICU was common. Transmission of enterococci between patients occurred frequently. Prolonged intubation period seems to be a risk factor for enterococcal cross-transmission.

Place, publisher, year, edition, pages
2002. Vol. 40, no 6, 2084-2088 p.
National Category
Microbiology
Identifiers
URN: urn:nbn:se:sh:diva-15803DOI: 10.1128/JCM.40.6.2084-2088.2002ISI: 000176159200031PubMedID: 12037069OAI: oai:DiVA.org:sh-15803DiVA: diva2:508465
Available from: 2012-03-08 Created: 2012-03-07 Last updated: 2012-03-08Bibliographically approved

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Lund, BodilEdlund, Charlotta
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