Coincidental detection of the first outbreak of carbapenemase-producing Klebsiella pneumoniae colonisation in a primary care hospital, Finland, 2013

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Kanerva , M , Skogberg , K , Ryynanen , K , Pahkamaki , A , Jalava , J , Ollgren , J , Tarkka , E & Lyytikainen , O 2015 , ' Coincidental detection of the first outbreak of carbapenemase-producing Klebsiella pneumoniae colonisation in a primary care hospital, Finland, 2013 ' Eurosurveillance , vol. 20 , no. 26 , 21172 , pp. 16-22 .

Title: Coincidental detection of the first outbreak of carbapenemase-producing Klebsiella pneumoniae colonisation in a primary care hospital, Finland, 2013
Author: Kanerva, M.; Skogberg, K.; Ryynanen, K.; Pahkamaki, A.; Jalava, J.; Ollgren, J.; Tarkka, E.; Lyytikainen, O.
Contributor: University of Helsinki, Infektiosairauksien yksikkö
University of Helsinki, Infektiosairauksien yksikkö
University of Helsinki, Department of Diagnostics and Therapeutics
Date: 2015-07-02
Language: eng
Number of pages: 7
Belongs to series: Eurosurveillance
ISSN: 1560-7917
URI: http://hdl.handle.net/10138/165494
Abstract: In Finland, occurrence of Klebsiella pneumoniae carbapenemase-producing K. pneumoniae (KPC-KP) has previously been sporadic and related to travel. We describe the first outbreak of colonisation with KPC-KP strain ST512; it affected nine patients in a 137-bed primary care hospital. The index case was detected by chance when a non-prescribed urine culture was taken from an asymptomatic patient with suprapubic urinary catheter in June 2013. Thereafter, all patients on the 38-bed ward were screened until two screening rounds were negative and extensive control measures were performed. Eight additional KPC-KP-carriers were found, and the highest prevalence of carriers on the ward was nine of 38. All other patients hospitalised on the outbreak ward between 1 May and 10 June and 101 former roommates of KPC-KP carriers since January had negative screening results. Two screening rounds on the hospital's other wards were negative. No link to travel abroad was detected. Compared with non-carriers, but without statistical significance, KPC-KP carriers were older (83 vs 76 years) and had more often received antimicrobial treatment within the three months before screening (9/9 vs 90/133). No clinical infections occurred during the six-month follow-up. Early detection, prompt control measures and repetitive screening were crucial in controlling the outbreak.
Subject: ENTEROBACTERIACEAE
EPIDEMIOLOGY
SPREAD
3121 Internal medicine
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