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Meurs L, Lempp FS, Lippmann N, Trawinski H, Rodloff AC, Eckardt M, Klingeberg A, Eckmanns T, Walter J, Lübbert C. Intestinal colonization with extended-spectrum beta-lactamase producing Enterobacterales (ESBL-PE) during long distance travel: A cohort study in a German travel clinic (2016-2017). Travel Med Infect Dis 2019; 33:101521. [PMID: 31770602 DOI: 10.1016/j.tmaid.2019.101521] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 11/14/2019] [Accepted: 11/18/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUND Intercontinental travel contributes to the spread of extended-spectrum beta-lactamase producing Enterobacterales (ESBL-PE). We assessed risk factors for intestinal ESBL-PE colonization in people travelling to low and middle income countries in the tropics and subtropics to better understand how travel affects ESBL-PE spread. METHOD This prospective cohort study in travellers attending a travel clinic in Leipzig, Germany was conducted in 2016-2017. Information on risk factors related to travel, symptoms, antibiotic use, health care usage, accommodation, destination, diet and hygiene was collected by questionnaire after travel. Stools were phenotypically tested for ESBL-PE before and after travel. Risk factors for ESBL-PE colonization were identified using logistic regression. RESULTS Of the 230 travellers that were ESBL-PE negative before travelling, 23% (n = 53) travellers returned positive. Multivariable analyses showed that age, type of accommodation and travelling to Asia were associated with ESBL-PE colonization. CONCLUSIONS Given that a considerable amount of travellers returned with ESBL-PE, we recommend raising awareness in returning high-risk travellers, e.g. those returning from high-risk areas. They should be aware that they may carry antimicrobial-resistant bacteria after travel, and how they can prevent its spread. The role of the type of accommodation as a factor favouring intestinal colonization with ESBL-PE requires further investigation.
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Affiliation(s)
- Lynn Meurs
- European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control, Gustav III:s Boulevard 40, 16973, Solna, Sweden; Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany.
| | - Felix S Lempp
- Division of Infectious Diseases and Tropical Medicine, Department of Gastroenterology, Leipzig University Hospital, Liebigstraße 20, 04103, Leipzig, Germany
| | - Norman Lippmann
- Interdisciplinary Centre for Infectious Diseases, Leipzig University Hospital, Liebigstraße 20, 04103, Leipzig, Germany
| | - Henning Trawinski
- Division of Infectious Diseases and Tropical Medicine, Department of Gastroenterology, Leipzig University Hospital, Liebigstraße 20, 04103, Leipzig, Germany
| | - Arne C Rodloff
- Interdisciplinary Centre for Infectious Diseases, Leipzig University Hospital, Liebigstraße 20, 04103, Leipzig, Germany
| | | | | | - Tim Eckmanns
- Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany
| | - Jan Walter
- Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany
| | - Christoph Lübbert
- Division of Infectious Diseases and Tropical Medicine, Department of Gastroenterology, Leipzig University Hospital, Liebigstraße 20, 04103, Leipzig, Germany; Interdisciplinary Centre for Infectious Diseases, Leipzig University Hospital, Liebigstraße 20, 04103, Leipzig, Germany
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102
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Pathways to antibiotics in Bangladesh: A qualitative study investigating how and when households access medicine including antibiotics for humans or animals when they are ill. PLoS One 2019; 14:e0225270. [PMID: 31756224 PMCID: PMC6874326 DOI: 10.1371/journal.pone.0225270] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 10/31/2019] [Indexed: 01/21/2023] Open
Abstract
Background To understand how to reduce antibiotic use, greater knowledge is needed about the complexities of access in countries with loose regulation or enforcement. This study aimed to explore how households in Bangladesh were accessing antimicrobials for themselves and their domestic animals. Methods In-depth interviews were conducted with 48 households in one urban and one rural area. Households were purposively sampled from two lower income strata, prioritising those with under 5-year olds, older adults, household animals and minority groups. Households where someone was currently ill with a suspected infection (13 households) were invited for a follow-up interview. Framework analysis was used to explore access to healthcare and medicines. Findings People accessed medicines for themselves through five pathways: drugs shops, private clinics, government/charitable hospitals, community/family planning clinics, and specialised/private hospitals. Drug shops provided direct access to medicines for common, less serious and acute illnesses. For persistent or serious illnesses, the healthcare pathway may include contacts with several of these settings, but often relied on medicines provided by drug shops. In the 13 households with an unwell family member, most received at least one course of antibiotics for this illness. Multiple and incomplete dosing were common even when prescribed by a qualified doctor. Antibiotics were identified by their high cost compared to other medicines. Cost was a reported barrier to purchasing full courses of antibiotics. Few households in the urban area kept household animals. In this rural area, government animal health workers provided most care for large household animals (cows), but drug shops were also important. Conclusions In Bangladesh, unregulated drug shops provide an essential route to medicines including those prescribed in the formal sector. Wherever licensed suppliers are scarce and expensive, regulations which prohibit this supply risk removing access entirely for many people.
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Ulusoy BH, Chirkena K. Two perspectives of Listeria monocytogenes hazards in dairy products: the prevalence and the antibiotic resistance. FOOD QUALITY AND SAFETY 2019. [DOI: 10.1093/fqsafe/fyz035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Abstract
Listeria monocytogenes is among the most food-borne pathogens. It has the ability to grow over a range of temperature, including refrigeration temperature. Foods kept in refrigerator more than the prescribed period of time create an opportunity for the occurrence of Listeria monocytogenes. As this review shows, the prevalence of L. monocytogenes has more likely evident in pasteurized milk than other dairy products, such as raw milk. Inadequate temperature and faults in technology during pasteurization can be the disposing factors for the presence of the organism in dairy products. The organism, on the other hand, has been found to be resistant to those commonly known antibiotics that have human and veterinary importance, namely, ampicillin, Tetracycline, and chloramphenicol, streptomycin, erytromycin, penicillin G., and others. Resistance ability of the organism can be mediated by different natural and acquired resistance mechanisms, such as self-transferrable plasmids, mobilizable plasmids, and conjugative transposons. The emergence and spread of antibiotic resistance of L. monocytogenes has serious public health and economic impacts at large. This paper has reviewed the prevalence and the antibiotic resistance of L. monocytogenes isolates of dairy products and the strategic mechanisms of the organism develop resistance against the antibiotics.
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Affiliation(s)
- Beyza H Ulusoy
- Faculty of Veterinary Medicine, Department of Food Hygiene and Technology, Near East University, Nicosia, Cyprus
| | - Kefyalew Chirkena
- Faculty of Veterinary Medicine, Department of Food Hygiene and Technology, Near East University, Nicosia, Cyprus
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104
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Class-specific determination of fluoroquinolones based on a novel chemiluminescence system with molecularly imprinted polymers. Food Chem 2019; 298:125066. [DOI: 10.1016/j.foodchem.2019.125066] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 06/10/2019] [Accepted: 06/23/2019] [Indexed: 01/12/2023]
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105
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Anning AS, Dugbatey AA, Kwakye-Nuako G, Asare KK. Antibiotic Susceptibility Pattern of Enterobacteriaceae Isolated from Raw Meat and Ghanaian Coin Currencies at Cape Coast Metropolis, Ghana: The Public Health Implication. Open Microbiol J 2019. [DOI: 10.2174/1874285801913010138] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Introduction:
The emergence and upsurge of Multiple Antibiotic Resistant (MDR) Enterobacteriaceae in the environment is a cause of concern as this can result in an outbreak and spread to healthcare settings. MDR Enterobacteriaceae have been associated with high morbidity and mortality due to delay in selecting and delivering active therapy in time.
Aims & Objectives:
The study was conducted to investigate the level of contamination of raw meat and Ghanaian coins in circulation at Cape Coast Metropolis. In all, 10 raw meat were sampled each from chevron and beef from Kotokuraba market, and 400 Ghanaian coin currencies retrieved from food vendors, students, transport operators and banks were used in this study.
Materials & Methods:
The Enterobacteriaceae species isolated were tested for their susceptibility to Ampicillin, Tetracycline (TET), Gentamicin (GEN), Cotrimoxazole (COT), Cefuroxime (CRX), Cefixime (CXM), Cefotaxime (CTX), Penicillin (PEN), Cloxacillin (CXC), Erythromycin (ERY) and Amikacin (AMK) antibiotics using Mueller-Hinton agar antibiotic diffusion technique. Of the isolated Enterobacteriaceae, 30% and 62% from chevron and beef respectively and 14.17%, 13.75% and 10.63% from food vendors, students and transport operators respectively showed resistance to some of the antibiotics tested.
Results & Discussion:
8.6% of the Escherichia coli (E. coli) isolated from chevon were resistant to CRXr-CHLr-AMPr-COTr-GEMr and 15.5% of CRXi-CHLi-AMPr-TETr-COTr from beef. 40.0% of E. coli isolated from coin currencies were resistant to CRXr-CHLr-AMPr-TETr-CTXr, 50.0% of Enterobacter spp to CRXr-CHLr-AMPr-TETr-CTXr, 16.67% of Proteus spp to CRXi-CHLi-AMPr-TETr-AMKi, 40% Pseudomonas spp to CRXr-AMPr-TETr-AMKi and 100% of Enterobacter spp to CRXr-AMPr-TETi-CTXr.
Conclusion:
The multidrug-resistant Enterobacteriaceae isolates from circulating Ghanaian coins and raw meats in the Cape Coast metropolis is an indication of an impending danger which requires immediate attention to prevent a possible outbreak and spread from the society to the hospital setting.
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Multidrug-Resistant Bacteria from Raw Meat of Buffalo and Chicken, Nepal. Vet Med Int 2019; 2019:7960268. [PMID: 31186828 PMCID: PMC6521380 DOI: 10.1155/2019/7960268] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 03/10/2019] [Accepted: 04/01/2019] [Indexed: 11/17/2022] Open
Abstract
Antimicrobial resistance is a major global issue for human and animals. Increased use of antimicrobials in livestock and poultry has become one of the causes of antimicrobial resistance development in microorganisms. The aim of the study was to characterize antimicrobial resistant bacteria from raw buffalo and chicken meat in standard in vitro condition. A total of 140 raw meat samples were collected from different retail shops of Bhaktapur Metropolitan City, Nepal. Among them, 70 were raw buffalo meat and 70 were raw chicken meat samples. Bacterial growth, identification, and antimicrobial susceptibility test were performed according to Clinical & Laboratory Standards Institute (CLSI) guidelines. Out of 140 samples, bacterial growth was seen in 67 raw buffalo meat and 59 raw chicken meat samples, i.e., bacterial growth was observed in 90.0% of the samples. A total of 161 bacterial isolates were detected. Escherichia coli (35.4%) and Klebsiella spp. (30.4%) were found to be the most prevalent bacteria followed by Citrobacter spp. (11.8%), Staphylococcus aureus (9.3%), Salmonella spp. (7.4%), and Proteus spp. (5.5%). Chicken meat isolates showed higher antimicrobial resistance rates in comparison to buffalo meat isolates, particularly against antimicrobials like Amoxicillin, Tetracycline, Cotrimoxazole and Nalidixic acid, p value<0.05 when compared between buffalo and chicken meat. Overall, 32.7% Multidrug-Resistant (MDR) isolates were found, in which 50.0% MDR isolates were found from chicken raw meat and 21.9% were found from buffalo raw meat. MDR isolates of Escherichia coli, Proteus spp. and Staphylococcus aureus constituted 52.5%, 77.7% and 40.0%, respectively, of both buffalo and chicken raw meat. This study indicates antimicrobials resistant bacteria existing at an alarming rate, higher in chicken meat than in buffalo meat.
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107
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Vikesland P, Garner E, Gupta S, Kang S, Maile-Moskowitz A, Zhu N. Differential Drivers of Antimicrobial Resistance across the World. Acc Chem Res 2019; 52:916-924. [PMID: 30848890 DOI: 10.1021/acs.accounts.8b00643] [Citation(s) in RCA: 112] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Antimicrobial resistance (AMR) is one of the greatest threats faced by humankind. The development of resistance in clinical and hospital settings has been well documented ever since the initial discovery of penicillin and the subsequent introduction of sulfonamides as clinical antibiotics. In contrast, the environmental (i.e., community-acquired) dimensions of resistance dissemination have been only more recently delineated. The global spread of antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs) between air, water, soil, and food is now well documented, while the factors that affect ARB and ARG dissemination (e.g., water and air quality, antibiotic fluxes, urbanization, sanitation practices) in these and other environmental matrices are just now beginning to be more fully appreciated. In this Account, we discuss how the global perpetuation of resistance is dictated by highly interconnected socioeconomic risk factors and illustrate that development status should be more fully considered when developing global strategies to address AMR. We first differentiate low to middle income countries (LMICs) and high-income countries (HICs), then we summarize the modes of action of commercially available antibiotics, and then discuss the four primary mechanisms by which bacteria develop resistance to those antibiotics. Resistance is disseminated via both vertical gene transfer (VGT; parent to offspring) as well as by horizontal gene transfer (HGT; cell to cell transference of genetic material). A key challenge hindering attempts to control resistance dissemination is the presence of native, environmental bacteria that can harbor ARGs. Such environmental "resistomes" have potential to transfer resistance to pathogens via HGT. Of particular concern is the development of resistance to antibiotics of last-resort such as the cephalosporins, carbapenems, and polymyxins. We then illustrate how antibiotic use differs in LMICs relative to HICs in terms of the volumes of antibiotics used and their fate within local environments. Antibiotic use in HICs has remained flat over the past 15 years, while in LMICs use over the same period has increased substantially as a result of economic improvements and changes in diet. These use and fate differences impact local citizens and thus the local dissemination of AMR. Various physical, social, and economic circumstances within LMICs potentially favor AMR dissemination. We focus on three physical factors: changing population density, sanitation infrastructure, and solid-waste disposal. We show that high population densities in cities within LMICs that suffer from poor sanitation and solid-waste disposal can potentially impact the dissemination of resistance. In the final section, we discuss potential monitoring approaches to quantify the spread of resistance both within LMICs as well as in HICs. We posit that culture-based approaches, molecular approaches, and cutting-edge nanotechnology-based methods for monitoring ARB and ARGs should be considered both within HICs and, as appropriate, within LMICs.
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Affiliation(s)
- Peter Vikesland
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
- Virginia Tech Global Change Center and Virginia Tech Institute of Critical Technology and Applied Science, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Emily Garner
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Suraj Gupta
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Seju Kang
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Ayella Maile-Moskowitz
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Ni Zhu
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
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Amador P, Fernandes R, Prudêncio C, Duarte I. Prevalence of Antibiotic Resistance Genes in Multidrug-Resistant Enterobacteriaceae on Portuguese Livestock Manure. Antibiotics (Basel) 2019; 8:E23. [PMID: 30871244 PMCID: PMC6466527 DOI: 10.3390/antibiotics8010023] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 02/22/2019] [Accepted: 02/23/2019] [Indexed: 01/03/2023] Open
Abstract
The exposure of both crop fields and humans to antibiotic-resistant bacteria in animal excreta is an emergent concern of the One Health initiative. This study assessed the contamination of livestock manure from poultry, pig, dairy farms and slaughterhouses in Portugal with resistance determinants. The resistance profiles of 331 Enterobacteriaceae isolates to eight β-lactam (amoxicillin, cefoxitin, cefotaxime, cefpirome, aztreonam, ceftazidime, imipenem and meropenem) and to five non-β-lactam antibiotics (tetracycline (TET), trimethoprim/sulfamethoxazole (SXT), ciprofloxacin (CIP), chloramphenicol (CHL) and gentamicin) was investigated. Forty-nine integron and non-β-lactam resistance genes were also screened for. Rates of resistance to the 13 antibiotics ranged from 80.8% to 0.6%. Multidrug resistance (MDR) rates were highest in pig farm samples (79%). Thirty different integron and resistance genes were identified. These were mainly associated with resistance to CHL (catI and catII), CIP (mainly, qnrS, qnrB and oqx), TET (mainly tet(A) and tet(M)) and SXT (mostly dfrIa group and sul3). In MDR isolates, integron presence and non-β-lactam resistance to TET, SXT and CHL were positively correlated. Overall, a high prevalence of MDR Enterobacteriaceae was found in livestock manure. The high gene diversity for antibiotic resistance identified in this study highlights the risk of MDR spread within the environment through manure use.
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Affiliation(s)
- Paula Amador
- Environment Department, Research Centre for Natural Resources, Environment and Society (CERNAS), College of Agriculture, Polytechnic of Coimbra, 3045-601 Coimbra, Portugal.
| | - Ruben Fernandes
- Department Chemical Sciences and Biomolecules, School Allied Health Sciences, Polytechnic of Porto, 4200-072 Porto, Portugal.
| | - Cristina Prudêncio
- Department Chemical Sciences and Biomolecules, School Allied Health Sciences, Polytechnic of Porto, 4200-072 Porto, Portugal.
| | - Isabel Duarte
- Environment Department, Research Centre for Natural Resources, Environment and Society (CERNAS), College of Agriculture, Polytechnic of Coimbra, 3045-601 Coimbra, Portugal.
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Antibiotic-Resistant Escherichia coli and Class 1 Integrons in Humans, Domestic Animals, and Wild Primates in Rural Uganda. Appl Environ Microbiol 2018; 84:AEM.01632-18. [PMID: 30171005 DOI: 10.1128/aem.01632-18] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 08/27/2018] [Indexed: 11/20/2022] Open
Abstract
Antibiotic resistance is a global concern, although it has been studied most extensively in developed countries. We studied Escherichia coli and class 1 integrons in western Uganda by analyzing 1,685 isolates from people, domestic animals, and wild nonhuman primates near two national parks. Overall, 499 isolates (29.6%) were resistant to at least one of 11 antibiotics tested. The frequency of resistance reached 20.3% of isolates for trimethoprim-sulfamethoxazole but was nearly zero for the less commonly available antibiotics ciprofloxacin (0.4%), gentamicin (0.2%), and ceftiofur (0.1%). The frequency of resistance was 57.4% in isolates from people, 19.5% in isolates from domestic animals, and 16.3% in isolates from wild nonhuman primates. Isolates of livestock and primate origin displayed multidrug resistance patterns identical to those of human-origin isolates. The percentage of resistant isolates in people was higher near Kibale National Park (64.3%) than near Bwindi Impenetrable National Park (34.6%), perhaps reflecting local socioeconomic or ecological conditions. Across antibiotics, resistance correlated negatively with the local price of the antibiotic, with the most expensive antibiotics (nalidixic acid and ciprofloxacin) showing near-zero resistance. Among phenotypically resistant isolates, 33.2% harbored class 1 integrons containing 11 common resistance genes arranged into nine distinct gene cassettes, five of which were present in isolates from multiple host species. Overall, these results show that phenotypic resistance and class 1 integrons are distributed broadly among E. coli isolates from different host species in this region, where local socioeconomic and ecological conditions may facilitate widespread diffusion of bacteria or resistance-conferring genetic elements.IMPORTANCE Antibiotic resistance is a global problem. This study, conducted in rural western Uganda, describes antibiotic resistance patterns in Escherichia coli bacteria near two forested national parks. Resistance was present not only in people, but also in their livestock and in nearby wild nonhuman primates. Multidrug resistance and class 1 integrons containing genes that confer resistance were common and were similar in people and animals. The percentage of resistant isolates decreased with increasing local price of the antibiotic. Antibiotic resistance in this setting likely reflects environmental diffusion of bacteria or their genes, perhaps facilitated by local ecological and socioeconomic conditions.
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