Etienne Ruppé1, Antoine Andremont2, Laurence Armand-Lefèvre2. 1. AP-HP, Hôpital Bichat, Laboratoire de Bactériologie, INSERM, IAME, UMR 1137 and Université Paris Diderot, Sorbonne Paris Cité, F-75018 Paris, France. Electronic address: etienne.ruppe@aphp.fr. 2. AP-HP, Hôpital Bichat, Laboratoire de Bactériologie, INSERM, IAME, UMR 1137 and Université Paris Diderot, Sorbonne Paris Cité, F-75018 Paris, France.
Abstract
BACKGROUND: Enterobacteriaceae have become increasingly resistant, especially due to the acquisition and spread of extended-spectrum beta-lactamases (ESBLs), which confer resistance to the majority of beta-lactams. Multi-resistant Enterobacteriaceae (MRE) were first isolated in hospitals, but now they are disseminating in the community setting, mostly in low and middle income countries. Consequently, the increasing number of international travels leads to the importation of MRE from high-prevalence to low-prevalence countries. METHODS: The Pubmed database was used to conduct research from 1980 to 2016 by combining the following key words: travel, antibiotic resistance, ESBL, Enterobacteriaceae, genomic, metagenomic, urinary tract infection, infection. RESULTS: The research found that the MRE acquisition rates in healthy travellers from low-prevalence countries ranged from 21% to 51% depending on the study design and the visited geographic regions. After a trip to Asia and especially to South Asia, the acquisition rate could reach 85%. A trip to Africa or to the Middle East was associated with lower rates but still worrisome (13-44%). Digestive disorder, diarrhoea and antibiotics used during travel are major risks factors associated with the acquisition of MRE. Travel to endemic areas has also been identified as a risk factor for MRE infection, including urinary tract infections. CONCLUSION: Travellers are at high risk of MRE acquisition and consequently of MRE infection. This risk should not be ignored by general practitioners. To reduce the risk of acquisition and subsequent transmission to relatives, travellers should be given recommendations prior to their travel.
BACKGROUND: Enterobacteriaceae have become increasingly resistant, especially due to the acquisition and spread of extended-spectrum beta-lactamases (ESBLs), which confer resistance to the majority of beta-lactams. Multi-resistant Enterobacteriaceae (MRE) were first isolated in hospitals, but now they are disseminating in the community setting, mostly in low and middle income countries. Consequently, the increasing number of international travels leads to the importation of MRE from high-prevalence to low-prevalence countries. METHODS: The Pubmed database was used to conduct research from 1980 to 2016 by combining the following key words: travel, antibiotic resistance, ESBL, Enterobacteriaceae, genomic, metagenomic, urinary tract infection, infection. RESULTS: The research found that the MRE acquisition rates in healthy travellers from low-prevalence countries ranged from 21% to 51% depending on the study design and the visited geographic regions. After a trip to Asia and especially to South Asia, the acquisition rate could reach 85%. A trip to Africa or to the Middle East was associated with lower rates but still worrisome (13-44%). Digestive disorder, diarrhoea and antibiotics used during travel are major risks factors associated with the acquisition of MRE. Travel to endemic areas has also been identified as a risk factor for MRE infection, including urinary tract infections. CONCLUSION: Travellers are at high risk of MRE acquisition and consequently of MRE infection. This risk should not be ignored by general practitioners. To reduce the risk of acquisition and subsequent transmission to relatives, travellers should be given recommendations prior to their travel.
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