Journal
TRAVEL MEDICINE AND INFECTIOUS DISEASE
Volume 13, Issue 3, Pages 223-229Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.tmaid.2015.04.007
Keywords
Anti-bacterial agents; Drug resistance; Beta-lactamases; Enterobacteriaceae; Travel
Funding
- Vasterbotten County Council
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Background: The increase of antibiotic resistance in clinically important bacteria is a worldwide threat, especially in healthcare environments. International travel is a risk factor for gut colonization with extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-PE). The risk for healthcare students of being colonized with ESBL-PE when participating in patient-related work abroad has not been previously investigated. Methods: Swedish healthcare students travelling for pre-clinical and clinical courses outside Scandinavia submitted faecal samples and survey data before and after travel. The faecal samples were screened for ESBL-PE and carbapenemase-producing Enterobacteriaceae (CPE). Screening results and survey data were analysed to identify risk factors for colonization. Results: In the 99 subjects who submitted a full set of samples, 35% were colonized with a new ESBL-PE strain during travel. No CPE was found. The most important risk factor for ESBL-PE colonization was travel destination, and the highest colonization rate was found in the South East Asia region. Antibiotic treatment during travel was an independent risk factor for ESBL-PE colonization but patient-related work was not significantly associated with an increased risk. Conclusions: Patient-related work abroad was not a risk factor for ESBL-PE suggesting that transmission from patients is uncommon. Pre-travel advice on avoiding unnecessary antibiotic treatment during travel is recommended. (C) 2015 Elsevier Ltd. All rights reserved.
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