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Li Y, Zhang Y, Sun X, Wu Y, Yan Z, Ju X, Huang Y, Zhou H, Wang Z, Wang S, Zhang R, Li R. National genomic epidemiology investigation revealed the spread of carbapenem-resistant Escherichia coli in healthy populations and the impact on public health. Genome Med 2024; 16:57. [PMID: 38627827 PMCID: PMC11020349 DOI: 10.1186/s13073-024-01310-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 03/04/2024] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND Carbapenem-resistant Escherichia coli (CREC) has been considered as WHO priority pathogens, causing a great public health concern globally. While CREC from patients has been thoroughly investigated, the prevalence and underlying risks of CREC in healthy populations have been overlooked. Systematic research on the prevalence of CREC in healthy individuals was conducted here. We aimed to characterize CREC collected from healthy populations in China between 2020 and 2022 and to compare the genomes of CREC isolates isolated from healthy individuals and clinical patients. METHODS We present a nationwide investigation of CREC isolates among healthy populations in China, employing robust molecular and genomic analyses. Antimicrobial susceptibility testing, whole-genome sequencing, and bioinformatics were utilized to analyze a cohort of CREC isolates (n = 113) obtained from fecal samples of 5 064 healthy individuals. Representative plasmids were extracted for third-generation nanopore sequencing. We previously collected 113 non-duplicate CREC isolates (59 in 2018, 54 in 2020) collected from ICU patients in 15 provinces and municipalities in China, and these clinical isolates were used to compare with the isolates in this study. Furthermore, we employ comparative genomics approaches to elucidate molecular variations and potential correlations between clinical and non-clinical CREC isolates. RESULTS A total of 147 CREC isolates were identified from 5 064 samples collected across 11 provinces in China. These isolates were classified into 64 known sequence types (STs), but no dominant STs were observed. In total, seven carbapenemase genes were detected with blaNDM-5 (n = 116) being the most prevalent one. Genetic environments and plasmid backbones of blaNDM were conserved in CREC isolated from healthy individuals. Furthermore, we compared clinical and healthy human-originated CRECs, revealing noteworthy distinctions in 23 resistance genes, including blaNDM-1, blaNDM-5, and blaKPC (χ2 test, p < 0.05). Clinical isolates contained more virulence factors associated with iron uptake, adhesion, and invasion than those obtained from healthy individuals. Notably, CREC isolates generally found healthy people are detected in hospitalized patients. CONCLUSIONS Our findings underscore the significance of healthy populations-derived CRECs as a crucial reservoir of antibiotic resistance genes (ARGs). This highlights the need for ongoing monitoring of CREC isolates in healthy populations to accurately assess the potential risks posed by clinical CREC isolates.
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Affiliation(s)
- Yan Li
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, 48 East Wenhui Road, Yangzhou, Jiangsu, 225009, P. R. China
| | - Yanyan Zhang
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, Zhejiang, P. R. China
| | - Xinran Sun
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, 48 East Wenhui Road, Yangzhou, Jiangsu, 225009, P. R. China
| | - Yuchen Wu
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, Zhejiang, P. R. China
| | - Zelin Yan
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, Zhejiang, P. R. China
| | - Xiaoyang Ju
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, Zhejiang, P. R. China
| | - Yonglu Huang
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, Zhejiang, P. R. China
| | - Hongwei Zhou
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, Zhejiang, P. R. China
| | - Zhiqiang Wang
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, 48 East Wenhui Road, Yangzhou, Jiangsu, 225009, P. R. China
- Jiangsu Key Lab of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, P. R. China
| | - Shaolin Wang
- College of Veterinary Medicine, China Agricultural University, Beijing, P. R. China
| | - Rong Zhang
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, Zhejiang, P. R. China.
| | - Ruichao Li
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, 48 East Wenhui Road, Yangzhou, Jiangsu, 225009, P. R. China.
- Jiangsu Key Lab of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, P. R. China.
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, Jiangsu, P. R. China.
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Rahman MK, Rodriguez-Mori H, Loneragan GH, Awosile B. Beta-lactamase genes in bacteria from food animals, retail meat, and human surveillance programs in the United States from 2002 to 2021. Comp Immunol Microbiol Infect Dis 2024; 106:102139. [PMID: 38325128 DOI: 10.1016/j.cimid.2024.102139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/24/2024] [Accepted: 01/30/2024] [Indexed: 02/09/2024]
Abstract
The spread of beta-lactamase-producing bacteria is a global public-health concern. This study aimed to explore the distribution of beta-lactamases reported in three sampling sources (cecal, retail meat, and human) collected as part of integrated surveillance in the United States. We retrieved and analyzed data from the United States National Antimicrobial Resistance Monitoring Systems (NARMS) from 2002 to 2021. A total of 115 beta-lactamase genes were detected in E. coli, Salmonella enterica, Campylobacter, Shigella and Vibrio: including 35 genes from cecal isolates, 32 genes from the retail meat isolates, and 104 genes from the human isolates. Three genes in E. coli (blaCMY-2,blaTEM-1A, and blaTEM-1B), 6 genes in Salmonella enterica (blaCARB-2, blaCMY-2, blaCTXM-65, blaTEM-1A, blaTEM-1B, and blaHERA-3), and 2 genes in Campylobacter spp. (blaOXA-61 and blaOXA-449) have been detected across food animals (cattle, chicken, swine, and turkey) and humans over the study period. blaCTXM-55 has been detected in E. coli isolates from the four food animal sources while blaCTXM-15 and blaCTXM-27 were found only in cattle and swine. In Salmonella enterica, blaCTXM-2, blaCTXM-9, blaCTXM-14, blaCTXM-15, blaCTXM-27, blaCTXM-55, and blaNDM-1 were only detected among human isolates. blaOXAs and blaCARB were bacteria-specific and the only beta-lactamase genes detected in Campylobacter spp. and Vibrio spp respectively. The proportions of beta-lactamase genes detected varies from bacteria to bacteria. This study provided insights on the beta-lactamase genes detected in bacteria in food animals and humans in the United States. This is necessary for better understanding the molecular epidemiology of clinically important beta-lactamases in one health interface.
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Affiliation(s)
- Md Kaisar Rahman
- Texas Tech University School of Veterinary Medicine, Amarillo, TX 79106, USA
| | | | - Guy H Loneragan
- Texas Tech University School of Veterinary Medicine, Amarillo, TX 79106, USA
| | - Babafela Awosile
- Texas Tech University School of Veterinary Medicine, Amarillo, TX 79106, USA.
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Blake KS, Schwartz DJ, Paruthiyil S, Wang B, Ning J, Isidean SD, Burns DS, Whiteson H, Lalani T, Fraser JA, Connor P, Troth T, Porter CK, Tribble DR, Riddle MS, Gutiérrez RL, Simons MP, Dantas G. Gut microbiome and antibiotic resistance effects during travelers' diarrhea treatment and prevention. mBio 2024; 15:e0279023. [PMID: 38085102 PMCID: PMC10790752 DOI: 10.1128/mbio.02790-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 10/30/2023] [Indexed: 01/17/2024] Open
Abstract
IMPORTANCE The travelers' gut microbiome is potentially assaulted by acute and chronic perturbations (e.g., diarrhea, antibiotic use, and different environments). Prior studies of the impact of travel and travelers' diarrhea (TD) on the microbiome have not directly compared antibiotic regimens, and studies of different antibiotic regimens have not considered travelers' microbiomes. This gap is important to be addressed as the use of antibiotics to treat or prevent TD-even in moderate to severe cases or in regions with high infectious disease burden-is controversial based on the concerns for unintended consequences to the gut microbiome and antimicrobial resistance (AMR) emergence. Our study addresses this by evaluating the impact of defined antibiotic regimens (single-dose treatment or daily prophylaxis) on the gut microbiome and resistomes of deployed servicemembers, using samples collected during clinical trials. Our findings indicate that the antibiotic treatment regimens that were studied generally do not lead to adverse effects on the gut microbiome and resistome and identify the relative risks associated with prophylaxis. These results can be used to inform therapeutic guidelines for the prevention and treatment of TD and make progress toward using microbiome information in personalized medical care.
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Affiliation(s)
- Kevin S. Blake
- The Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Drew J. Schwartz
- The Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, Missouri, USA
- Center for Women’s Infectious Diseases, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Srinand Paruthiyil
- The Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Bin Wang
- The Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Pathology and Immunology, Division of Laboratory and Genomic Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Jie Ning
- The Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Pathology and Immunology, Division of Laboratory and Genomic Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Sandra D. Isidean
- Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., Bethesda, Maryland, USA
- Naval Medical Research Command, Silver Spring, Maryland, USA
| | - Daniel S. Burns
- Academic Department of Military Medicine, UK Defence Medical Directorate, Birmingham, United Kingdom
| | - Harris Whiteson
- The Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Tahaniyat Lalani
- Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., Bethesda, Maryland, USA
- Infectious Disease Clinical Research Program, Preventive Medicine and Biostatistics Department, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Jamie A. Fraser
- Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., Bethesda, Maryland, USA
- Infectious Disease Clinical Research Program, Preventive Medicine and Biostatistics Department, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Patrick Connor
- Academic Department of Military Medicine, UK Defence Medical Directorate, Birmingham, United Kingdom
| | - Tom Troth
- Academic Department of Military Medicine, UK Defence Medical Directorate, Birmingham, United Kingdom
| | - Chad K. Porter
- Naval Medical Research Command, Silver Spring, Maryland, USA
| | - David R. Tribble
- Infectious Disease Clinical Research Program, Preventive Medicine and Biostatistics Department, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Mark S. Riddle
- Infectious Disease Clinical Research Program, Preventive Medicine and Biostatistics Department, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | | | - Mark P. Simons
- Naval Medical Research Command, Silver Spring, Maryland, USA
- Infectious Disease Clinical Research Program, Preventive Medicine and Biostatistics Department, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Gautam Dantas
- The Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Pathology and Immunology, Division of Laboratory and Genomic Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, Missouri, USA
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Habrun CA, Birhane MG, François Watkins LK, Benedict K, Bottichio L, Nemechek K, Tolar B, Schroeder MN, Chen JC, Caidi H, Robyn M, Nichols M. Multistate nontyphoidal Salmonella and Shiga toxin-producing Escherichia coli outbreaks linked to international travel-United States, 2017-2020. Epidemiol Infect 2024; 152:e17. [PMID: 38204341 PMCID: PMC10894901 DOI: 10.1017/s0950268823002017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 11/22/2023] [Accepted: 12/11/2023] [Indexed: 01/12/2024] Open
Abstract
Enteric bacterial infections are common among people who travel internationally. During 2017-2020, the Centers for Disease Control and Prevention investigated 41 multistate outbreaks of nontyphoidal Salmonella and Shiga toxin-producing Escherichia coli linked to international travel. Resistance to one or more antimicrobial agents was detected in at least 10% of isolates in 16 of 30 (53%) nontyphoidal Salmonella outbreaks and 8 of 11 (73%) Shiga toxin-producing E. coli outbreaks evaluated by the National Antimicrobial Resistance Monitoring System. At least 10% of the isolates in 14 nontyphoidal Salmonella outbreaks conferred resistance to one or more of the clinically significant antimicrobials used in human medicine. This report describes the epidemiology and antimicrobial resistance patterns of these travel-associated multistate outbreaks. Investigating illnesses among returned travellers and collaboration with international partners could result in the implementation of public health interventions to improve hygiene practices and food safety standards and to prevent illness and spread of multidrug-resistant organisms domestically and internationally.
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Affiliation(s)
- Caroline A. Habrun
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
- Centers for Disease Control and Prevention, Epidemic Intelligence Service Program, Atlanta, GA, USA
| | - Meseret G. Birhane
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Louise K. François Watkins
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Katharine Benedict
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Lyndsay Bottichio
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Kaylea Nemechek
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
- Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA
| | - Beth Tolar
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Morgan N. Schroeder
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Jessica C. Chen
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Hayat Caidi
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Misha Robyn
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Megin Nichols
- Division of Foodborne, Waterborne and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
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5
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Li Y, Sun X, Dong N, Wang Z, Li R. Global distribution and genomic characteristics of carbapenemase-producing Escherichia coli among humans, 2005-2023. Drug Resist Updat 2024; 72:101031. [PMID: 38071860 DOI: 10.1016/j.drup.2023.101031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 10/27/2023] [Accepted: 11/30/2023] [Indexed: 01/08/2024]
Abstract
Carbapenem-resistant Escherichia coli (CREC) has become a major public health problem worldwide. To date, there is a limited understanding of the global distribution of CREC. In this study, we performed a comprehensive genomic analysis of 7, 731 CRECs of human origin collected from different countries worldwide between 2005 and 2023. Our results showed that these CRECs were distributed in 75 countries, mainly from the United States (17.49%), China (14.88%), and the United Kingdom (14.73%). Eight carbapenemases were identified among the CRECs analyzed, including KPC, IMP, NDM, VIM, OXA, FRI, GES, and IMI. NDM was the most predominant carbapenemase (52.15%), followed by OXA (30.09%) and KPC (14.72%). Notably, all CRECs carried multiple antibiotic resistance genes (ARGs), with 178 isolates carrying mcr-1 and 9 isolates carrying tet(X). The CREC isolates were classified into 465 known sequence types (STs), with ST167 being the most common (11.5%). Correlation analysis demonstrated the significant role of mobile genetic elements in facilitating the transfer of carbapenem resistance genes. Furthermore, some CRECs from different countries showed high genetic similarity, suggesting clonal transmission exists. According to the GWAS results, the genetic difference of blaNDM-positive CRECs from China were mainly enriched in bacterial Type IV secretion system pathways compared with those from the United Kingdom and the United States. Therefore, continuous global surveillance of CRECs is imperative in the future.
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Affiliation(s)
- Yan Li
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, PR China
| | - Xinran Sun
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, PR China
| | - Ning Dong
- Department of Medical Microbiology, School of Biology and Basic Medical Science, Medical College of Soochow University, Suzhou, PR China
| | - Zhiqiang Wang
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, PR China; Institute of Comparative Medicine, Yangzhou University, Yangzhou, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou, PR China.
| | - Ruichao Li
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, PR China; Institute of Comparative Medicine, Yangzhou University, Yangzhou, PR China.
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6
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Mataseje LF, Pitout J, Croxen M, Mulvey MR, Dingle TC. Three separate acquisitions of bla NDM-1 in three different bacterial species from a single patient. Eur J Clin Microbiol Infect Dis 2023; 42:1275-1280. [PMID: 37688673 PMCID: PMC10511597 DOI: 10.1007/s10096-023-04651-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 08/07/2023] [Indexed: 09/11/2023]
Abstract
To investigate the acquisition and relatedness of New Delhi Metallo-beta-lactamase among multiple separate species from one patient. Five isolates from three species (Pseudomonas aeruginosa; Pa, Acinetobacter baumannii; Ab and Proteus mirabilis; Pm) suspected of harbouring a carbapenemase were investigated by phenotype (antimicrobial susceptibilities) and whole genome sequencing. Epidemiological data was collected on this patient. Three different carbapenemase genes were detected; blaVIM-1 (Pa; ST773), blaOXA-23 (Ab, ST499) and blaNDM-1 identified in all isolates. NDM regions were found chromosomally integrated in all isolates. Data showed no evidence of NDM-1 transfer within this patient suggesting the enzyme was acquired in three separate events.
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Affiliation(s)
- L F Mataseje
- National Microbiology laboratory, Winnipeg, MB, Canada
| | - J Pitout
- Alberta Precision Laboratories, Public Health Laboratory, 3030 Hospital Drive N.W, Calgary, AB, T2N 4W4, Canada
- University of Calgary, Calgary, AB, Canada
- University of Pretoria, Pretoria, Gauteng, South Africa
| | - M Croxen
- Alberta Precision Laboratories, Public Health Laboratory, 3030 Hospital Drive N.W, Calgary, AB, T2N 4W4, Canada
- University of Alberta, Edmonton, AB, Canada
- Li Ka Shing Institute of Virology, University of Alberta, Edmonton, AB, Canada
- Women and Children's Health Research Institute, University of Alberta, Edmonton, AB, Canada
| | - M R Mulvey
- National Microbiology laboratory, Winnipeg, MB, Canada
| | - T C Dingle
- Alberta Precision Laboratories, Public Health Laboratory, 3030 Hospital Drive N.W, Calgary, AB, T2N 4W4, Canada.
- University of Calgary, Calgary, AB, Canada.
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7
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Nanakali SS, Hassan O, Silva L, Al‐Oraibi A, Chaloner J, Gogoi M, Qureshi I, Sahare P, Pareek M, Chattopadhyay K, Nellums LB. Migrants' living conditions, perceived health needs and implications for the use of antibiotics and antimicrobial resistance in the United Kingdom: A qualitative study. Health Sci Rep 2023; 6:e1655. [PMID: 37885468 PMCID: PMC10599099 DOI: 10.1002/hsr2.1655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 10/05/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023] Open
Abstract
Background and Aims Antimicrobial resistance (AMR) is among the top public health concerns around the globe. Migrants, especially forced migrants, could be at higher risk of acquiring and transmitting AMR during their journeys or in host countries. There is limited understanding regarding migrants' living conditions and the wider factors contributing to their risk of acquiring infections, and behaviors around antimicrobial use, and AMR development. In this study, we aimed to explore transit experiences, living conditions, and antibiotic use of migrants living in the United Kingdom. Methods We conducted semistructured qualitative interviews with 27 participants and identified five themes regarding migrants' journey and their living conditions during transit and after arriving in the United Kingdom, their access to water, sanitation and hygiene (WASH), and their use of antibiotics. Results Migrants, particularly forced migrants, experienced unfavorable living conditions, poor access to WASH, and challenges in accessing healthcare, which further contributed to health conditions like urinary and skin problems. Isolation and difficulty in accessing healthcare played significant roles in migrants' perceived need for storing and using antibiotics as a safety net. Conclusion The findings highlight the need for coordinated and multilevel interventions to address these challenges and contribute toward tackling AMR and improving the health of this population group.
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Affiliation(s)
- Shajwan S. Nanakali
- Lifespan and Population Health Academic Unit, School of Medicine, Nottingham City HospitalUniversity of NottinghamNottinghamUK
| | - Osama Hassan
- Lifespan and Population Health Academic Unit, School of Medicine, Nottingham City HospitalUniversity of NottinghamNottinghamUK
| | - Luisa Silva
- Lifespan and Population Health Academic Unit, School of Medicine, Nottingham City HospitalUniversity of NottinghamNottinghamUK
| | - Amani Al‐Oraibi
- Lifespan and Population Health Academic Unit, School of Medicine, Nottingham City HospitalUniversity of NottinghamNottinghamUK
- Department of Respiratory SciencesUniversity of LeicesterLeicesterUK
| | - Jonathan Chaloner
- Lifespan and Population Health Academic Unit, School of Medicine, Nottingham City HospitalUniversity of NottinghamNottinghamUK
- Department of Respiratory SciencesUniversity of LeicesterLeicesterUK
| | - Mayuri Gogoi
- Department of Respiratory SciencesUniversity of LeicesterLeicesterUK
| | - Irtiza Qureshi
- Lifespan and Population Health Academic Unit, School of Medicine, Nottingham City HospitalUniversity of NottinghamNottinghamUK
| | - Pankhuri Sahare
- Lifespan and Population Health Academic Unit, School of Medicine, Nottingham City HospitalUniversity of NottinghamNottinghamUK
| | - Manish Pareek
- Department of Respiratory SciencesUniversity of LeicesterLeicesterUK
| | - Kaushik Chattopadhyay
- Lifespan and Population Health Academic Unit, School of Medicine, Nottingham City HospitalUniversity of NottinghamNottinghamUK
| | - Laura B. Nellums
- Lifespan and Population Health Academic Unit, School of Medicine, Nottingham City HospitalUniversity of NottinghamNottinghamUK
- College of Population HealthUniversity of New MexicoAlbuquerqueNew MexicoUSA
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Ahmed HA, Elsohaby I, Elamin AM, El-Ghafar AEA, Elsaid GA, Elbarbary M, Mohsen RA, El Feky TM, El Bayomi RM. Extended-spectrum β-lactamase-producing E. coli from retail meat and workers: genetic diversity, virulotyping, pathotyping and the antimicrobial effect of silver nanoparticles. BMC Microbiol 2023; 23:212. [PMID: 37550643 PMCID: PMC10405496 DOI: 10.1186/s12866-023-02948-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 07/18/2023] [Indexed: 08/09/2023] Open
Abstract
BACKGROUND The spread of extended-spectrum β-lactamases (ESBL) producing E. coli from food animals and the environment to humans has become a significant public health concern. The objectives of this study were to determine the occurrence, pathotypes, virulotypes, genotypes, and antimicrobial resistance patterns of ESBL-producing E. coli in retail meat samples and workers in retail meat shops in Egypt and to evaluate the bactericidal efficacy of silver nanoparticles (AgNPs-H2O2) against multidrug resistant (MDR) ESBL-producing E. coli. RESULTS A total of 250 retail meat samples and 100 human worker samples (hand swabs and stool) were examined for the presence of ESBL- producing E. coli. Duck meat and workers' hand swabs were the highest proportion of ESBL- producing E. coli isolates (81.1%), followed by camel meat (61.5%). Pathotyping revealed that the isolates belonged to groups A and B1. Virulotyping showed that the most prevalent virulence gene was Shiga toxin 2 (stx2) associated gene (36.9%), while none of the isolates harbored stx1 gene. Genotyping of the identified isolates from human and meat sources by REP-PCR showed 100% similarity within the same cluster between human and meat isolates. All isolates were classified as MDR with an average multiple antibiotic resistance (MAR) index of 0.7. AgNPs-H2O2 at concentrations of 0.625, 1.25, 2.5 and 5 μg/mL showed complete bacterial growth inhibition. CONCLUSIONS Virulent MDR ESBL-producing E. coli were identified in retail meat products in Egypt, posing significant public health threats. Regular monitoring of ESBL-producing E. coli frequency and antimicrobial resistance profile in retail meat products is crucial to enhance their safety. AgNPs-H2O2 is a promising alternative for treating MDR ESBL-producing E. coli infections and reducing antimicrobial resistance risks.
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Affiliation(s)
- Heba A Ahmed
- Department of Zoonoses, Faculty of Veterinary Medicine, Zagazig University, Zagazig City, 44511, Sharkia Governorate, Egypt.
| | - Ibrahim Elsohaby
- Department of Infectious Diseases and Public Health, Jockey Club of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong SAR, China
- Centre for Applied One Health Research and Policy Advice (OHRP), City University of Hong Kong, Hong Kong SAR, China
- Department of Animal Medicine, Faculty of Veterinary Medicine, Zagazig University, Zagazig City, 44511, Sharkia Governorate, Egypt
| | - Amina M Elamin
- Department of Food Hygiene, Zagazig Branch, Agriculture Research Center (ARC), Animal Health Research Institute (AHRI), Zagazig City, Egypt
| | - Abeer E Abd El-Ghafar
- Department of Bacteriology, Mansoura Branch, Agriculture Research Center (ARC), Animal Health Research Institute (AHRI), Mansoura City, Egypt
| | - Gamilat A Elsaid
- Department of Food Hygiene, Mansoura Branch, Agriculture Research Center (ARC), Animal Health Research Institute (AHRI), Mansoura City, Egypt
| | - Mervat Elbarbary
- Department of Food Hygiene, Zagazig Branch, Agriculture Research Center (ARC), Animal Health Research Institute (AHRI), Zagazig City, Egypt
| | - Rasha A Mohsen
- Department of Bacteriology, Mansoura Branch, Agriculture Research Center (ARC), Animal Health Research Institute (AHRI), Mansoura City, Egypt
| | - Tamer M El Feky
- Department of Bacteriology, Mansoura Branch, Agriculture Research Center (ARC), Animal Health Research Institute (AHRI), Mansoura City, Egypt
| | - Rasha M El Bayomi
- Department of Food Control, Faculty of Veterinary Medicine, Zagazig University, Zagazig City, 44511, Sharkia Governorate, Egypt
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9
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Bopp TC, Marchesi M, Zihlmann R, Sax H, Wolfensberger A. Identifying patients at high risk for multidrug-resistant organisms after hospitalization abroad. Infect Control Hosp Epidemiol 2023; 44:1281-1288. [PMID: 36912341 DOI: 10.1017/ice.2022.256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
OBJECTIVES We quantified the percentage of multidrug-resistant organism (MDRO) carriers among repatriated patients. We identified factors associated with MDRO carriage, and we evaluated the yield of MDRO detection per screened body site. DESIGN Retrospective cohort study. SETTING A tertiary-care center in Switzerland. PATIENTS Adult patients after a stay in a healthcare institution abroad. METHODS Patients were screened for MDRO carriage. Standard sites, including nose and throat, groins, and (since mid-2018) rectum, and risk-based sites (wounds, urine, tracheal secretion) were sampled. MDROs were defined as methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant Enterococcus (VRE), extended-spectrum β-lactamase (ESBL)- and carbapenemase-producing Enterobacterales (CPE), multidrug-resistant (MDR) Enterobacterales, and MDR nonfermenting gram-negative rods. Risk factors for MDRO carriage were assessed using multivariate logistic regression. RESULTS Between May 2017 and April 2019, 438 patients were screened and 107 (24.4%) tested positive for an MDRO, predominantly ESBL-producing and MDR Enterobacterales. Risk factors for MDRO colonization were the length of stay in hospital abroad, antibiotic treatment with 'Watch' and 'Reserve' antibiotics, and region of hospitalization abroad. Rectal swabs had the highest yield for detecting patients with MDR intestinal bacteria, but nose/throat and groins, or wound samples were more sensitive for MRSA or nonfermenting gram-negative organisms, respectively. CONCLUSIONS We identified risk factors for MDRO carriage and body sites with the highest yield for a specific MDRO, which might help to target screening and isolation and reduce screening costs.
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Affiliation(s)
- Tamara C Bopp
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zürich, University of Zurich, Zurich, Switzerland
| | - Martina Marchesi
- Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland
| | - Reto Zihlmann
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zürich, University of Zurich, Zurich, Switzerland
- Seminar for Statistics, ETH Zurich, Zurich, Switzerland
| | - Hugo Sax
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zürich, University of Zurich, Zurich, Switzerland
- Department of Infectious Diseases, Bern University Hospital and University of Bern, Bern, Switzerland
| | - Aline Wolfensberger
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zürich, University of Zurich, Zurich, Switzerland
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10
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Caliskan-Aydogan O, Alocilja EC. A Review of Carbapenem Resistance in Enterobacterales and Its Detection Techniques. Microorganisms 2023; 11:1491. [PMID: 37374993 DOI: 10.3390/microorganisms11061491] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Infectious disease outbreaks have caused thousands of deaths and hospitalizations, along with severe negative global economic impacts. Among these, infections caused by antimicrobial-resistant microorganisms are a major growing concern. The misuse and overuse of antimicrobials have resulted in the emergence of antimicrobial resistance (AMR) worldwide. Carbapenem-resistant Enterobacterales (CRE) are among the bacteria that need urgent attention globally. The emergence and spread of carbapenem-resistant bacteria are mainly due to the rapid dissemination of genes that encode carbapenemases through horizontal gene transfer (HGT). The rapid dissemination enables the development of host colonization and infection cases in humans who do not use the antibiotic (carbapenem) or those who are hospitalized but interacting with environments and hosts colonized with carbapenemase-producing (CP) bacteria. There are continuing efforts to characterize and differentiate carbapenem-resistant bacteria from susceptible bacteria to allow for the appropriate diagnosis, treatment, prevention, and control of infections. This review presents an overview of the factors that cause the emergence of AMR, particularly CRE, where they have been reported, and then, it outlines carbapenemases and how they are disseminated through humans, the environment, and food systems. Then, current and emerging techniques for the detection and surveillance of AMR, primarily CRE, and gaps in detection technologies are presented. This review can assist in developing prevention and control measures to minimize the spread of carbapenem resistance in the human ecosystem, including hospitals, food supply chains, and water treatment facilities. Furthermore, the development of rapid and affordable detection techniques is helpful in controlling the negative impact of infections caused by AMR/CRE. Since delays in diagnostics and appropriate antibiotic treatment for such infections lead to increased mortality rates and hospital costs, it is, therefore, imperative that rapid tests be a priority.
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Affiliation(s)
- Oznur Caliskan-Aydogan
- Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI 48824, USA
- Global Alliance for Rapid Diagnostics, Michigan State University, East Lansing, MI 48824, USA
| | - Evangelyn C Alocilja
- Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI 48824, USA
- Global Alliance for Rapid Diagnostics, Michigan State University, East Lansing, MI 48824, USA
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11
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Intestinal colonization with multidrug-resistant Enterobacterales: screening, epidemiology, clinical impact, and strategies to decolonize carriers. Eur J Clin Microbiol Infect Dis 2023; 42:229-254. [PMID: 36680641 PMCID: PMC9899200 DOI: 10.1007/s10096-023-04548-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 01/11/2023] [Indexed: 01/22/2023]
Abstract
The clinical impact of infections due to extended-spectrum β-lactamase (ESBL)- and/or carbapenemase-producing Enterobacterales (Ent) has reached dramatic levels worldwide. Infections due to these multidrug-resistant (MDR) pathogens-especially Escherichia coli and Klebsiella pneumoniae-may originate from a prior asymptomatic intestinal colonization that could also favor transmission to other subjects. It is therefore desirable that gut carriers are rapidly identified to try preventing both the occurrence of serious endogenous infections and potential transmission. Together with the infection prevention and control countermeasures, any strategy capable of effectively eradicating the MDR-Ent from the intestinal tract would be desirable. In this narrative review, we present a summary of the different aspects linked to the intestinal colonization due to MDR-Ent. In particular, culture- and molecular-based screening techniques to identify carriers, data on prevalence and risk factors in different populations, clinical impact, length of colonization, and contribution to transmission in various settings will be overviewed. We will also discuss the standard strategies (selective digestive decontamination, fecal microbiota transplant) and those still in development (bacteriophages, probiotics, microcins, and CRISPR-Cas-based) that might be used to decolonize MDR-Ent carriers.
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12
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Zhang R, Li Y, Chen J, Liu C, Sun Q, Shu L, Chen G, Wang Z, Wang S, Li R. Population genomic analysis reveals the emergence of high-risk carbapenem-resistant Escherichia coli among ICU patients in China. J Infect 2023; 86:316-328. [PMID: 36764393 DOI: 10.1016/j.jinf.2023.02.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 02/01/2023] [Accepted: 02/04/2023] [Indexed: 02/11/2023]
Abstract
OBJECTIVES The increasing incidence of carbapenem-resistant Enterobacterales (CRE) mediated nosocomial infections has caused a significant public health burden globally. Currently, the prevalence and genomic characteristics of carbapenem-resistant Escherichia coli (CREC) in patients admitted to the intensive care unit (ICU) are unknown. METHODS Herein, we present a nationwide genomic investigation of CREC isolates among ICU patients in China in 2018 and 2020. In total, 113 CREC isolates were identified from 1105 samples in 25 hospitals, and investigated with phenotyping and genomics approaches. RESULTS Carbapenemases were produced in 94.69% (107/113) of CREC isolates, which comprise KPC-2 (n = 53, 49.53%), NDM (n = 51, 47.66%), IMP-4 (n = 2, 1.87%), and OXA-181 (n = 1, 0.93%). Notably, CREC isolates co-carrying mcr-9 and blaNDM-5 or tet(X4) and blaNDM-5 were first identified in clinical settings. The carbapenemase genes of most isolates were located on the plasmids. The blaKPC gene was mainly mediated by IncFII plasmids (n = 37, 69.81%), and blaNDM was located on the IncX3 plasmid (n = 36, 70.59%). CREC isolates belonged to diverse sequence types (STs) of which ST131 was the most prevalent blaKPC-positive CREC isolates (34/113, 30.09%), while blaNDM was associated with ST617 and ST410 isolates, thereby indicating that multiple CREC clones spread in Chinese ICU patients. CONCLUSIONS This study highlights the emerging threat of high-risk CREC isolates such as ST131 circulating in the ICU in China. Hence, stringent monitoring of such high-risk clones should be performed.
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Affiliation(s)
- Rong Zhang
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Zhejiang, Hangzhou, PR China
| | - Yan Li
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Jiawei Chen
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Zhejiang, Hangzhou, PR China
| | - Congcong Liu
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Zhejiang, Hangzhou, PR China
| | - Qiaoling Sun
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Zhejiang, Hangzhou, PR China
| | - Lingbin Shu
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Zhejiang, Hangzhou, PR China
| | - Gongxiang Chen
- Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Zhejiang, Hangzhou, PR China
| | - Zhiqiang Wang
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Shaolin Wang
- College of Veterinary Medicine, China Agricultural University, Beijing, PR China
| | - Ruichao Li
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China; Institute of Comparative Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China.
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13
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Stabler S, Paccoud O, Duchesne L, Piot MA, Valin N, Decré D, Girard PM, Lalande V, Lacombe K, Surgers L. Prevalence of Antimicrobial Resistance and Infectious Diseases in a Hospitalised Migrant Population in Paris, France, a Retrospective Study. Int J Public Health 2022; 67:1604792. [PMID: 36589475 PMCID: PMC9797533 DOI: 10.3389/ijph.2022.1604792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 11/23/2022] [Indexed: 12/16/2022] Open
Abstract
Objectives: The aim of this study was to estimate the prevalence of anti-microbial resistance (AMR) carriage and its risk factors in hospitalized migrants. Additionally, the prevalence of infectious diseases was evaluated, as well as symptoms of psychological trauma. Methods: We conducted a retrospective monocentric cross-sectional study including all migrant patients recently arrived and hospitalised over a one-year period. Results: Among 101 patients, seventy-nine percent originated from Sub-Saharan Africa. The overall AMR carriage rate was 20.7% [95% CI: 12.4; 28.9%]. We isolated 5/92 methicillin-resistant Staphylococcus aureus strains (5.4%) and 15/92 extended-spectrum beta-lactamase-producing Enterobacteriaceae (16.4%). AMR carriage was associated with older age, region of origin and length of migration. Rates of HIV, HBV, and HCV infection were 39.6%, 32.7%, and 5%, reflecting sampling bias linked to reasons for hospitalization. Eleven percent had serological evidence of treponemasis and 7.8% had Chlamydia trachomatis infection. Symptoms of depression or post-traumatic stress disorder were observed for more than half the patients. Conclusion: It appears essential to offer a systematic and comprehensive post-arrival screening of AMR carriage, infectious diseases and psychological trauma to subjects who experienced migration.
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Affiliation(s)
- Sarah Stabler
- GHU APHP. Sorbonne Université, Service des Maladies Infectieuses et Tropicales, Hôpital Saint-Antoine, Paris, France,*Correspondence: Sarah Stabler,
| | - Olivier Paccoud
- GHU APHP. Sorbonne Université, Service des Maladies Infectieuses et Tropicales, Hôpital Saint-Antoine, Paris, France
| | - Léa Duchesne
- Sorbonne Université, INSERM, Institut Pierre Louis d’Épidémiologie et de Santé Publique, Paris, France
| | - Marie-Aude Piot
- Département de Psychiatrie, Institut Mutualiste Montsouris, Paris, France,Sorbonne Universités, Université Paris Descartes, UMR 1018/INSERM 1178, Centre de Recherche en Épidémiologie et Santé des Populations (CESP), Paris, France
| | - Nadia Valin
- GHU APHP. Sorbonne Université, Service des Maladies Infectieuses et Tropicales, Hôpital Saint-Antoine, Paris, France
| | - Dominique Decré
- APHP, Hôpital Saint-Antoine, Département de Bactériologie, Paris, France,Sorbonne Université, UPMC Univ Paris 06 CR7, INSERM U1135, CIMI, Team E13, Paris, France
| | - Pierre-Marie Girard
- GHU APHP. Sorbonne Université, Service des Maladies Infectieuses et Tropicales, Hôpital Saint-Antoine, Paris, France
| | - Valérie Lalande
- APHP, Hôpital Saint-Antoine, Département de Bactériologie, Paris, France
| | - Karine Lacombe
- GHU APHP. Sorbonne Université, Service des Maladies Infectieuses et Tropicales, Hôpital Saint-Antoine, Paris, France,Sorbonne Université, INSERM, Institut Pierre Louis d’Épidémiologie et de Santé Publique, Paris, France
| | - Laure Surgers
- GHU APHP. Sorbonne Université, Service des Maladies Infectieuses et Tropicales, Hôpital Saint-Antoine, Paris, France,Sorbonne Université, INSERM, Institut Pierre Louis d’Épidémiologie et de Santé Publique, Paris, France
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14
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Impact of international travel and diarrhea on gut microbiome and resistome dynamics. Nat Commun 2022; 13:7485. [PMID: 36470885 PMCID: PMC9722912 DOI: 10.1038/s41467-022-34862-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 11/08/2022] [Indexed: 12/11/2022] Open
Abstract
International travel contributes to the global spread of antimicrobial resistance. Travelers' diarrhea exacerbates the risk of acquiring multidrug-resistant organisms and can lead to persistent gastrointestinal disturbance post-travel. However, little is known about the impact of diarrhea on travelers' gut microbiomes, and the dynamics of these changes throughout travel. Here, we assembled a cohort of 159 international students visiting the Andean city of Cusco, Peru and applied next-generation sequencing techniques to 718 longitudinally-collected stool samples. We find that gut microbiome composition changed significantly throughout travel, but taxonomic diversity remained stable. However, diarrhea disrupted this stability and resulted in an increased abundance of antimicrobial resistance genes that can remain high for weeks. We also identified taxa differentially abundant between diarrheal and non-diarrheal samples, which were used to develop a classification model that distinguishes between these disease states. Additionally, we sequenced the genomes of 212 diarrheagenic Escherichia coli isolates and found those from travelers who experienced diarrhea encoded more antimicrobial resistance genes than those who did not. In this work, we find the gut microbiomes of international travelers' are resilient to dysbiosis; however, they are also susceptible to colonization by multidrug-resistant bacteria, a risk that is more pronounced in travelers with diarrhea.
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15
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Nishida S, Ihashi Y, Yoshino Y, Ono Y. Evaluation of an immunological assay for the identification of multiple carbapenemase-producing Gram-negative bacteria. Pathology 2022; 54:917-921. [PMID: 35934532 DOI: 10.1016/j.pathol.2022.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 04/24/2022] [Accepted: 05/08/2022] [Indexed: 12/31/2022]
Abstract
Carbapenemase-producing Gram-negative organisms (CPOs) frequently gain multidrug-resistant phenotypes and thereby limit the therapeutic options available. Colonisation and infection with CPOs are critical risks for mortality in clinical settings, especially in critical care medicine. Carbapenemase genes on plasmids have transferred to many Gram-negative species, and these species have spread, leading to global concern regarding antimicrobial resistance. A molecular rapid diagnostic test (mRDT) for CPOs is urgently required in critical care medicine. Here, we evaluated a rapid lateral flow immunoassay (LFIA) for CPOs isolated from patients at university hospitals, including intensive care units, and compared the results with those obtained using the multiplex polymerase chain reaction (PCR) method. NG-test CARBA 5 detected multiple carbapenemases, KPC, OXA-48, NDM, VIM, and IMP variants expressed in clinical isolates. Quick Chaser IMP detected IMP variants. The LFIAs exhibited 100% sensitivity and specificity relative to clinical isolates on agar plates. By contrast, the multiplex PCR method exhibited a limited ability to detect IMP-7-producing isolates not belonging to the IMP1 group, which resulted in 97% sensitivity and 100% specificity for IMP-producing isolates. Our results demonstrate that the LFIA is a useful mRDT to identify CPOs and has an advantage over the PCR method for both detection time and sensitivity to the IMP groups. LFIA could complement the nucleic acid amplification test used to identify CPOs. In conclusion, we evaluated sensitive and specific LFIAs capable of detecting carbapenemase production in Gram-negative bacteria. We anticipate that LFIAs will become a point-of-care test enabling rapid detection of carbapenemases in hospital settings, particularly in intensive care units.
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Affiliation(s)
- Satoshi Nishida
- Department of Microbiology and Immunology, Teikyo University School of Medicine, Itabashi, Tokyo, Japan.
| | - Yusuke Ihashi
- Department of Microbiology and Immunology, Teikyo University School of Medicine, Itabashi, Tokyo, Japan
| | - Yusuke Yoshino
- Department of Microbiology and Immunology, Teikyo University School of Medicine, Itabashi, Tokyo, Japan
| | - Yasuo Ono
- Department of Microbiology and Immunology, Teikyo University School of Medicine, Itabashi, Tokyo, Japan; Faculty of Health and Medical Science, Teikyo Heisei University, Toshima, Tokyo, Japan
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16
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Teo JQM, Tang CY, Tan SH, Chang HY, Ong SM, Lee SJY, Koh TH, Sim JHC, Kwa ALH, Ong RTH. Genomic Surveillance of Carbapenem-Resistant Klebsiella pneumoniae from a Major Public Health Hospital in Singapore. Microbiol Spectr 2022; 10:e0095722. [PMID: 36066252 PMCID: PMC9602435 DOI: 10.1128/spectrum.00957-22] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 08/04/2022] [Indexed: 12/30/2022] Open
Abstract
Carbapenem-resistant Klebsiella pneumoniae (CRKP) is a global public health threat. In this study, we employed whole-genome sequencing (WGS) to determine the genomic epidemiology of a longitudinal collection of clinical CRKP isolates recovered from a large public acute care hospital in Singapore. Phylogenetic analyses, a characterization of resistance and virulence determinants, and plasmid profiling were performed for 575 unique CRKP isolates collected between 2009 and 2020. The phylogenetic analyses identified the presence of global high-risk clones among the CRKP population (clonal group [CG] 14/15, CG17/20, CG147, CG258, and sequence type [ST] 231), and these clones constituted 50% of the isolates. Carbapenemase production was common (n = 497, 86.4%), and KPC was the predominant carbapenemase (n = 235, 40.9%), followed by OXA-48-like (n = 128, 22.3%) and NDM (n = 93, 16.2%). Hypervirulence was detected in 59 (10.3%) isolates and was most common in the ST231 carbapenemase-producing isolates (21/59, 35.6%). Carbapenemase genes were associated with diverse plasmid replicons; however, there was an association of blaOXA-181/232 with ColKP3 plasmids. This study presents the complex and diverse epidemiology of the CRKP strains circulating in Singapore. Our study highlights the utility of WGS-based genomic surveillance in tracking the population dynamics of CRKP. IMPORTANCE In this study, we characterized carbapenem-resistant Klebsiella pneumoniae clinical isolates collected over a 12-year period in the largest public acute-care hospital in Singapore using whole-genome sequencing. The results of this study demonstrate significant genomic diversity with the presence of well-known epidemic, multidrug-resistant clones amid a diverse pool of nonepidemic lineages. Genomic surveillance involving comprehensive resistance, virulence, and plasmid gene content profiling provided critical information for antimicrobial resistance monitoring and highlighted future surveillance priorities, such as the emergence of ST231 K. pneumoniae strains bearing multidrug resistance, virulence elements, and the potential plasmid-mediated transmission of the blaOXA-48-like gene. The findings here also reinforce the necessity of unique infection control and prevention strategies that take the genomic diversity of local circulating strains into consideration.
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Affiliation(s)
- Jocelyn Qi-Min Teo
- Department of Pharmacy, Singapore General Hospital, Singapore, Singapore
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
| | - Cheng Yee Tang
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
| | - Si Hui Tan
- Department of Pharmacy, Singapore General Hospital, Singapore, Singapore
| | - Hong Yi Chang
- Department of Pharmacy, Singapore General Hospital, Singapore, Singapore
| | - Sze Min Ong
- Department of Pharmacy, National University of Singapore, Singapore, Singapore
| | | | - Tse-Hsien Koh
- Department of Microbiology, Singapore General Hospital, Singapore, Singapore
| | | | - Andrea Lay-Hoon Kwa
- Department of Pharmacy, Singapore General Hospital, Singapore, Singapore
- Singhealth Duke-NUS Medicine Academic Clinical Programme, Singapore, Singapore
- Emerging Infectious Diseases, Duke-National University of Singapore Medical School, Singapore, Singapore
| | - Rick Twee-Hee Ong
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
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17
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Mataseje LF, Chen L, Peirano G, Fakharuddin K, Kreiswith B, Mulvey M, Pitout JDD. Klebsiella pneumoniae ST147: and then there were three carbapenemases. Eur J Clin Microbiol Infect Dis 2022; 41:1467-1472. [PMID: 36271303 DOI: 10.1007/s10096-022-04514-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 10/18/2022] [Indexed: 11/29/2022]
Abstract
Gram-negative bacteria containing three different carbapenemases are extremely rare. Klebsiella pneumoniae (N22-925) with KPC-2, NDM-1, and OXA-48 was obtained from a Canadian patient with recent hospitalization in Romania. Short and long read whole genome sequencing showed that the blaKPC-2 was situated on a 214 kb IncFIB(K)/IncFII(K) plasmid, the blaNDM-1 on a 104 kb IncFIB (pQil)/IncFII(K) plasmid, and the blaOXA-48 on a 64 kb IncL plasmid. These plasmids were conjugated to Escherichia coli J53. N22-925 belonged to a unique ST147 cluster that is likely endemic in Romania. This case emphasizes the need for rapid carbapenemase screening in patients from endemic regions. We described the first complete genome sequence of a K. pneumoniae isolate with three different carbapenemases, providing a reference for future studies on this rarely reported occurrence.
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Affiliation(s)
- L F Mataseje
- National Microbiology Laboratory, Winnipeg, MB, Canada
| | - L Chen
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, USA.,Hackensack Meridian School of Medicine at, Seton Hall University, Nutley, NJ, USA
| | - G Peirano
- Division of Microbiology, Alberta Precision Laboratories, Calgary, AB, Canada.,Cummings School of Medicine, University of Calgary, 3535 Research Road NW, Calgary, AB, #9T2L 2K8, Canada
| | - K Fakharuddin
- National Microbiology Laboratory, Winnipeg, MB, Canada
| | - B Kreiswith
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, USA.,Hackensack Meridian School of Medicine at, Seton Hall University, Nutley, NJ, USA
| | - M Mulvey
- National Microbiology Laboratory, Winnipeg, MB, Canada
| | - J D D Pitout
- Division of Microbiology, Alberta Precision Laboratories, Calgary, AB, Canada. .,Cummings School of Medicine, University of Calgary, 3535 Research Road NW, Calgary, AB, #9T2L 2K8, Canada. .,University of Pretoria, Pretoria, Gauteng, South Africa.
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18
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Mandelli G, Dore F, Langer M, Garbero E, Alagna L, Bianchin A, Ciceri R, Di Paolo A, Giani T, Giugni A, Gori A, Lefons U, Muscatello A, Olivieri C, Pan A, Pedeferri M, Rossi M, Rossolini GM, Russo E, Silengo D, Viaggi B, Bertolini G, Finazzi S. Effectiveness of a Multifaced Antibiotic Stewardship Program: A Pre-Post Study in Seven Italian ICUs. J Clin Med 2022; 11:jcm11154409. [PMID: 35956026 PMCID: PMC9369193 DOI: 10.3390/jcm11154409] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/14/2022] [Accepted: 07/25/2022] [Indexed: 02/01/2023] Open
Abstract
Multidrug resistance has become a serious threat for health, particularly in hospital-acquired infections. To improve patients’ safety and outcomes while maintaining the efficacy of antimicrobials, complex interventions are needed involving infection control and appropriate pharmacological treatments in antibiotic stewardship programs. We conducted a multicenter pre-post study to assess the impact of a stewardship program in seven Italian intensive care units (ICUs). Each ICU was visited by a multidisciplinary team involving clinicians, microbiologists, pharmacologists, infectious disease specialists, and data scientists. Interventions were targeted according to the characteristics of each unit. The effect of the program was measured with a panel of indicators computed with data from the MargheritaTre electronic health record. The median duration of empirical therapy decreased from 5.6 to 4.6 days and the use of quinolones dropped from 15.3% to 6%, both p < 0.001. The proportion of multi-drug-resistant bacteria (MDR) in ICU-acquired infections fell from 57.7% to 48.8%. ICU mortality and length of stay remained unchanged, indicating that reducing antibiotic administration did not harm patients’ safety. This study shows that our stewardship program successfully improved the management of infections. This suggests that policy makers should tackle multidrug resistance with a multidisciplinary approach based on continuous monitoring and personalised interventions.
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Affiliation(s)
- Giulia Mandelli
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy; (G.M.); (E.G.); (G.B.); (S.F.)
| | - Francesca Dore
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy; (G.M.); (E.G.); (G.B.); (S.F.)
- Associazione GiViTI—Gruppo Italiano per la Valutazione degli Interventi in Terapia Intensiva, 24020 Ranica, Italy; (M.L.); (R.C.); (A.G.); (C.O.); (M.P.); (D.S.); (B.V.)
- Correspondence:
| | - Martin Langer
- Associazione GiViTI—Gruppo Italiano per la Valutazione degli Interventi in Terapia Intensiva, 24020 Ranica, Italy; (M.L.); (R.C.); (A.G.); (C.O.); (M.P.); (D.S.); (B.V.)
- Emergency-Ong, 20128 Milano, Italy
| | - Elena Garbero
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy; (G.M.); (E.G.); (G.B.); (S.F.)
- Associazione GiViTI—Gruppo Italiano per la Valutazione degli Interventi in Terapia Intensiva, 24020 Ranica, Italy; (M.L.); (R.C.); (A.G.); (C.O.); (M.P.); (D.S.); (B.V.)
| | - Laura Alagna
- Infectious Diseases Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (L.A.); (A.G.); (A.M.)
| | - Andrea Bianchin
- Anesthesia and Intensive Care, Ospedale Civile San Valentino di Montebelluna, 31044 Montebelluna, Italy;
| | - Rita Ciceri
- Associazione GiViTI—Gruppo Italiano per la Valutazione degli Interventi in Terapia Intensiva, 24020 Ranica, Italy; (M.L.); (R.C.); (A.G.); (C.O.); (M.P.); (D.S.); (B.V.)
- Anesthesia and Intensive Care, Ospedale Alessandro Manzoni di Lecco, 23900 Lecco, Italy
| | - Antonello Di Paolo
- Department of Clinical and Experimental Medicine, Università di Pisa, 56126 Pisa, Italy;
| | - Tommaso Giani
- Department of Experimental and Clinical Medicine, Università di Firenze, 50134 Firenze, Italy; (T.G.); (G.M.R.)
- Clinical Microbiology and Virology Unit, Azienda Ospedaliero Universitaria Careggi, 50134 Firenze, Italy
| | - Aimone Giugni
- Associazione GiViTI—Gruppo Italiano per la Valutazione degli Interventi in Terapia Intensiva, 24020 Ranica, Italy; (M.L.); (R.C.); (A.G.); (C.O.); (M.P.); (D.S.); (B.V.)
- Department of Intensive Care and Emergency Medical Services, Ospedale Maggiore, 40133 Bologna, Italy
| | - Andrea Gori
- Infectious Diseases Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (L.A.); (A.G.); (A.M.)
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, 20122 Milan, Italy
- Centre for Multidisciplinary Research in Health Science (MACH), Università degli Studi di Milano, 20122 Milan, Italy
| | - Ugo Lefons
- Anesthesia and Intensive Care, Ospedale Alta Val d’Elsa di Poggibonsi, 53036 Poggibonsi, Italy;
| | - Antonio Muscatello
- Infectious Diseases Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (L.A.); (A.G.); (A.M.)
| | - Carlo Olivieri
- Associazione GiViTI—Gruppo Italiano per la Valutazione degli Interventi in Terapia Intensiva, 24020 Ranica, Italy; (M.L.); (R.C.); (A.G.); (C.O.); (M.P.); (D.S.); (B.V.)
- Anesthesia and Intensive Care, Ospedale Sant’Andrea, ASL VC Vercelli, 13100 Vercelli, Italy
| | - Angelo Pan
- Infectious Diseases Unit, Istituti Ospitalieri di Cremona, 26100 Cremona, Italy;
| | - Matteo Pedeferri
- Associazione GiViTI—Gruppo Italiano per la Valutazione degli Interventi in Terapia Intensiva, 24020 Ranica, Italy; (M.L.); (R.C.); (A.G.); (C.O.); (M.P.); (D.S.); (B.V.)
- Anesthesia and Intensive Care, Presidio Ospedaliero San Leopoldo Mandić, 23807 Merate, Italy
| | - Marianna Rossi
- Division of Infectious Diseases, “San Gerardo” Hospital, University of Milano-Bicocca, 20900 Monza, Italy;
| | - Gian Maria Rossolini
- Department of Experimental and Clinical Medicine, Università di Firenze, 50134 Firenze, Italy; (T.G.); (G.M.R.)
- Clinical Microbiology and Virology Unit, Azienda Ospedaliero Universitaria Careggi, 50134 Firenze, Italy
| | - Emanuele Russo
- Anesthesia and Intensive Care, Ospedale Maurizio Bufalini di Cesena, 47521 Cesena, Italy;
| | - Daniela Silengo
- Associazione GiViTI—Gruppo Italiano per la Valutazione degli Interventi in Terapia Intensiva, 24020 Ranica, Italy; (M.L.); (R.C.); (A.G.); (C.O.); (M.P.); (D.S.); (B.V.)
- Anesthesia and Intensive Care, Ospedale San Giovanni Bosco, 10154 Turin, Italy
| | - Bruno Viaggi
- Associazione GiViTI—Gruppo Italiano per la Valutazione degli Interventi in Terapia Intensiva, 24020 Ranica, Italy; (M.L.); (R.C.); (A.G.); (C.O.); (M.P.); (D.S.); (B.V.)
- Neuro Intensive Care Unit, Department of Anesthesiology, Azienda Ospedaliero Universitaria Careggi, 50134 Firenze, Italy
| | - Guido Bertolini
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy; (G.M.); (E.G.); (G.B.); (S.F.)
| | - Stefano Finazzi
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy; (G.M.); (E.G.); (G.B.); (S.F.)
- Associazione GiViTI—Gruppo Italiano per la Valutazione degli Interventi in Terapia Intensiva, 24020 Ranica, Italy; (M.L.); (R.C.); (A.G.); (C.O.); (M.P.); (D.S.); (B.V.)
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Dong H, Li Y, Cheng J, Xia Z, Liu W, Yan T, Chen F, Wang Z, Li R, Shi J, Qin S. Genomic Epidemiology Insights on NDM-Producing Pathogens Revealed the Pivotal Role of Plasmids on blaNDM Transmission. Microbiol Spectr 2022; 10:e0215621. [PMID: 35225688 PMCID: PMC9049954 DOI: 10.1128/spectrum.02156-21] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/30/2022] [Indexed: 12/14/2022] Open
Abstract
Incidences of nosocomial infections mediated by New Delhi metallo-β-lactamase (NDM) enzyme-producing Enterobacterales are increasing globally, resulting in a great burden to public health. The carbapenem-resistant Enterobacterales (CRE) were collected from Henan, China during 2013-2016. The blaNDM-positive strains were characterized using PCR, antimicrobial susceptibility testing, conjugation assay, S1 nuclease pulsed-field gel electrophoresis (S1-PFGE), Southern blot, whole-genome sequencing (WGS), and bioinformatics analysis. Eighty-one NDM-producing strains were identified among 391 nonduplicate CRE strains. Among them, four strains cocarried mcr and blaNDM genes, and two carried blaIMP-4 and blaNDM genes. The coexistence of blaNDM-5 and mcr-9 in Enterobacter hormaechei was found for the first time. In total, four blaNDM subtypes were identified. Among them, blaNDM-1 and blaNDM-5 were predominant. There was an obvious increasing trend in blaNDM-5 from 2013 to 2016. Thirteen different bacterial species were found among the 81 strains, and Escherichia coli was the dominant strain. blaNDM genes were located on nine different Inc-type plasmids, most of them on the IncX3 plasmids, except for the Pr-15-2-50 strain, which was located on the chromosome. We characterized two novel plasmids: the IncHI5-like plasmid carrying blaNDM-9 found in K. pneumonia, and the IncI1 blaNDM-5-positive plasmid. These findings provide the genomic basis for the widespread transmission of blaNDM and pave the way for the formulation of more effective monitoring and control methods. IMPORTANCE To control the emergence and transmission of CRE, it is important to perform retrospective genomic investigations. It is important to evaluate the plasmid diversity, genetic environment, and evolutionary relationships of the blaNDM-positive clinical strains in the early transmission stages. This study conducted an in-depth analysis of blaNDM-positive pathogens during a 4-year period using different methods for observing the high prevalence and active transmission of blaNDM-positive CRE. Moreover, we also explored the coexistence of the blaNDM and mcr, a clinically important mobile colistin resistance gene. This study shows that the prevalence of blaNDM-positive pathogens in Henan is high and the isolation rates increase each year. Moreover, plasmid-mediated horizontal transfer plays an important role in blaNDM dissemination. The co-occurrence of multiple resistance genes highlighted a long-lasting evolutionary pathway. Therefore, we have suggested the long-term continuous surveillance of clinical pathogens carrying blaNDM to learn the future transmission trend and curb the public health risk caused by CRE.
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Affiliation(s)
- Huiyue Dong
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, Henan, China
| | - Yan Li
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Jing Cheng
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, Henan, China
| | - Ziwei Xia
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, Henan, China
| | - Wentian Liu
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, Henan, China
| | - Tingting Yan
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, Henan, China
| | - Fangfang Chen
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, Henan, China
| | - Zhiqiang Wang
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Ruichao Li
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Jinjin Shi
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, Henan, China
| | - Shangshang Qin
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, Henan, China
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20
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Zarras C, Pappa S, Zarras K, Karampatakis T, Vagdatli E, Mouloudi E, Iosifidis E, Roilides E, Papa A. Changes in molecular epidemiology of carbapenem-resistant Klebsiella pneumoniae in the intensive care units of a Greek hospital, 2018-2021. Acta Microbiol Immunol Hung 2022. [PMID: 35298411 DOI: 10.1556/030.2022.01715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 03/03/2022] [Indexed: 11/19/2022]
Abstract
The spread of multi-drug resistant (MDR) Gram-negative bacteria, including Klebsiella pneumoniae, constitutes a global threat. The most frequent mechanism of acquired carbapenem resistance is the production of carbapenemases, especially KPC, NDM, VIM, IMP and OXA-48. We analyzed the epidemiological trend of carbapenem resistance genes of carbapenem-resistant K. pneumoniae (CRKP) strains isolated from critically ill patients in a Greek tertiary hospital. The study included 150 CRKP isolates collected from 116 (77.4%) patients hospitalized in the adult ICU and 17 (11.3%) each in the pediatric and the two neonatal ICUs between March 2018 and March 2021. Identification and antimicrobial susceptibility testing were performed using VITEK-2. A multiplex lateral flow immunoassay was used for the detection of carbapenemases, while the detection of bla VIM, bla KPC, bla NDM, bla IMP and bla OXA-48-like genes was achieved by multiplex PCR. The bla NDM was mainly detected in adults (54/116, 46.9%), while in children the most often detected gene was bla KPC (24/34, 70.6%). The predominant carbapenem resistance gene during 2018-2019 was bla KPC alone or in combination with bla VIM, reaching 44.4% in 2019, while during 2020-2021 the detection of bla NDM prevailed significantly, reaching 45.5 and 60.7% for 2020 and 2021, respectively. A shift in the molecular epidemiology of CRKP was seen during 2018-2021, which is probably associated with the recent excessive empiric use of newer antimicrobials. Surveillance studies and proper and strict implementation of infection control measures are highly needed to decrease the spread of MDR bacteria, including CRKP.
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Affiliation(s)
- Charalampos Zarras
- 1 Department of Microbiology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece
- 2 Microbiology Department, Hippokration General Hospital, Thessaloniki, Greece
| | - Styliani Pappa
- 1 Department of Microbiology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece
| | - Konstantinos Zarras
- 1 Department of Microbiology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece
| | - Theodoros Karampatakis
- 1 Department of Microbiology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece
| | - Eleni Vagdatli
- 2 Microbiology Department, Hippokration General Hospital, Thessaloniki, Greece
| | - Eleni Mouloudi
- 3 Intensive Care Unit, Hippokration General Hospital, Thessaloniki, Greece
| | - Elias Iosifidis
- 4 Infectious Disease Unit, 3rd Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece
| | - Emmanuel Roilides
- 4 Infectious Disease Unit, 3rd Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece
| | - Anna Papa
- 1 Department of Microbiology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece
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21
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Lόpez-Vélez R, Lebens M, Bundy L, Barriga J, Steffen R. Bacterial travellers' diarrhoea: A narrative review of literature published over the past 10 years. Travel Med Infect Dis 2022; 47:102293. [PMID: 35247581 DOI: 10.1016/j.tmaid.2022.102293] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/24/2022] [Accepted: 02/28/2022] [Indexed: 02/04/2023]
Abstract
Travellers' diarrhoea (TD) is the most frequent illness experienced by international travellers to lower-income countries with bacterial agents considered to account for 80-90% of cases. In this review, we summarise evidence published on bacterial TD over the past 10 years, focusing on the epidemiology and aetiology of TD. Diarrhoeagenic Escherichia coli (DEC) continue to be the most commonly implicated bacteria in TD, although Enteropathogenic E. coli (EPEC) and Enteroaggregative E. coli (EAEC) now appear to be predominant where Enterotoxigenic E. coli (ETEC) was previously considered most prevalent globally. Where fluroquinolone resistance had primarily been documented for Campylobacter in Southeast Asia, widespread resistance has been observed in most regions of the world for multiple enteropathogens, including Shigella, Salmonella, ETEC and EAEC. Implementation of novel molecular methods for pathogen detection has led to identification of bacterial pathogens, including Clostridium difficile (with and without the use of prior antibiotics), Arcobacter species and Bacteroides fragilis, as aetiological agents in TD. The widespread resistance to first-line antibiotics in multiple bacterial enteropathogens warrants continued surveillance and re-evaluation of current treatment practices. Further investigations are required to determine the prevalence and geographical distribution of bacterial enteropathogens that have been more recently implicated in TD.
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Affiliation(s)
- Rogelio Lόpez-Vélez
- National Referral Unit for Tropical Diseases, Infectious Diseases Department, Ramón y Cajal University Hospital, IRYCIS, 28034, Madrid, Spain.
| | - Michael Lebens
- Department of Microbiology and Immunology, University of Gothenburg, Box 435, SE-40530, Gothenburg, Sweden.
| | - Leah Bundy
- Elements Communications Ltd, Westerham, TN16 1RQ, UK.
| | - Juan Barriga
- Department of Medical Affairs Europe, Emergent BioSolutions, 1455, Madrid, Spain.
| | - Robert Steffen
- Epidemiology, Biostatistics and Prevention Institute, World Health Organization Collaborating Centre for Travelers' Health, University of Zurich, Hirschengraben 84, CH-8001, Zurich, Switzerland; Epidemiology, Human Genetics and Environmental Sciences Division, University of Texas School of Public Health, Houston, TX 77030, Texas, USA.
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22
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Jamal AJ, Faheem A, Farooqi L, Zhong XZ, Armstrong I, Boyd DA, Borgundvaag E, Coleman BL, Green K, Jayasinghe K, Johnstone J, Katz K, Kohler P, Li AX, Mataseje L, Melano R, Muller MP, Mulvey MR, Nayani S, Patel SN, Paterson A, Poutanen S, Rebbapragada A, Richardson D, Sarabia A, Shafinaz S, Simor AE, Willey BM, Wisely L, McGeer AJ. Household Transmission of Carbapenemase-producing Enterobacterales in Ontario, Canada. Clin Infect Dis 2021; 73:e4607-e4615. [PMID: 32869855 PMCID: PMC8662791 DOI: 10.1093/cid/ciaa1295] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Accepted: 08/27/2020] [Indexed: 02/18/2024] Open
Abstract
BACKGROUND Data on household transmission of carbapenemase-producing Enterobacterales (CPE) remain limited. We studied risk of CPE household co-colonization and transmission in Ontario, Canada. METHODS We enrolled CPE index cases (identified via population-based surveillance from January 2015 to October 2018) and their household contacts. At months 0, 3, 6, 9, and 12, participants provided rectal and groin swabs. Swabs were cultured for CPE until September 2017, when direct polymerase chain reaction (PCR; with culture of specimens if a carbapenemase gene was detected) replaced culture. CPE risk factor data were collected by interview and combined with isolate whole-genome sequencing to determine likelihood of household transmission. Risk factors for household contact colonization were explored using a multivariable logistic regression model with generalized estimating equations. RESULTS Ninety-five households with 177 household contacts participated. Sixteen (9%) household contacts in 16 (17%) households were CPE-colonized. Household transmission was confirmed in 3/177 (2%) cases, probable in 2/177 (1%), possible in 9/177 (5%), and unlikely in 2/177 (1%). Household contacts were more likely to be colonized if they were the index case's spouse (odds ratio [OR], 6.17; 95% confidence interval [CI], 1.05-36.35), if their index case remained CPE-colonized at household enrollment (OR, 7.00; 95% CI, 1.92-25.49), or if they had at least 1 set of specimens processed after direct PCR was introduced (OR, 6.46; 95% CI, 1.52-27.40). CONCLUSIONS Nine percent of household contacts were CPE-colonized; 3% were a result of household transmission. Hospitals may consider admission screening for patients known to have CPE-colonized household contacts.
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Affiliation(s)
- Alainna J Jamal
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Amna Faheem
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Lubna Farooqi
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Xi Zoe Zhong
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Irene Armstrong
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- Communicable Disease Control, Toronto Public Health, Toronto, Ontario, Canada
| | - David A Boyd
- Antimicrobial Resistance and Nosocomial Infections, National Microbiology Laboratory, Winnipeg, Manitoba, Canada
| | - Emily Borgundvaag
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Brenda L Coleman
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Karen Green
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | | | - Jennie Johnstone
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Kevin Katz
- Department of Infection Prevention and Control, North York General Hospital, Toronto, Ontario, Canada
| | - Philipp Kohler
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Angel X Li
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Laura Mataseje
- Antimicrobial Resistance and Nosocomial Infections, National Microbiology Laboratory, Winnipeg, Manitoba, Canada
| | - Roberto Melano
- Bacteriology, Public Health Ontario Laboratory, Toronto, Ontario, Canada
| | - Matthew P Muller
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- Department of Infection Prevention and Control, St. Michael’s Hospital, Toronto, Ontario, Canada
| | - Michael R Mulvey
- Antimicrobial Resistance and Nosocomial Infections, National Microbiology Laboratory, Winnipeg, Manitoba, Canada
| | - Sarah Nayani
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Samir N Patel
- Bacteriology, Public Health Ontario Laboratory, Toronto, Ontario, Canada
| | - Aimee Paterson
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Susan Poutanen
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Anu Rebbapragada
- Scientific Affairs and Market Access, Hologic Inc., Toronto, Ontario, Canada
| | - David Richardson
- Department of Infection Prevention and Control, William Osler Health System, Brampton, Ontario, Canada
| | - Alicia Sarabia
- Department of Infection Prevention and Control, Trillium Health Partners, Mississauga, Ontario, Canada
| | - Shumona Shafinaz
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Andrew E Simor
- Department of Infection Prevention and Control, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Barbara M Willey
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Laura Wisely
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
| | - Allison J McGeer
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada
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23
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An audit of surgical site infections among Omani travelers to India for spinal surgery. HEALTH POLICY OPEN 2021. [DOI: 10.1016/j.hpopen.2021.100049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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24
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Moser AI, Campos-Madueno EI, Sendi P, Perreten V, Keller PM, Ramette A, Endimiani A. Repatriation of a patient with COVID-19 contributed to the importation of an emerging carbapenemase producer. J Glob Antimicrob Resist 2021; 27:267-272. [PMID: 34718203 PMCID: PMC8552635 DOI: 10.1016/j.jgar.2021.10.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 10/07/2021] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVES Patients hospitalised abroad can become colonised with multidrug-resistant bacteria and import them to their home countries. In this study, we characterised an OXA-484 carbapenemase-producing Escherichia coli strain from a Swiss patient infected by SARS-CoV-2 and repatriated from India. METHODS At admission to Switzerland (April 2021), the patient undertook a nasopharyngeal swab to search for SARS-CoV-2 and a rectal swab to detect multidrug-resistant bacteria. Both SARS-CoV-2 and E. coli isolates were whole-genome sequenced and analysed for phylogenetic relatedness. RESULTS The patient was infected with the SARS-CoV-2 B.1.617.2 lineage (VOC Delta), a lineage that began to be reported across Switzerland at that time. He was also colonised with a sequence type 410 (ST410) E. coli strain (L3452210II) producing OXA-484, a single amino acid variant of OXA-181. The blaOXA-484 gene was carried by a 51.5 kb IncX3 plasmid identical to those described in blaOXA-181-harbouring ST410 E. coli strains. Core genome analysis showed that L3452210II was identical (ΔSNV ≤23) to two ST410 OXA-484 producers recently reported in Qatar and Germany, but differed from other ST410 OXA-181 producers reported worldwide. CONCLUSION The patient was infected by an emerging SARS-CoV-2 variant and also imported an E. coli producing OXA-484, an OXA-48-like carbapenemase not yet reported in Switzerland. The genetic background of L3452210II indicated that blaOXA-484 shared the same plasmid as blaOXA-181, but its bacterial host differed from most of the pandemic OXA-181-producing ST410 strains reported previously. This case description underlines that the COVID-19 crisis can contribute to the worldwide spread of emerging carbapenemase producers.
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Affiliation(s)
- Aline I Moser
- Institute for Infectious Diseases, University of Bern, Friedbühlstrasse 51, CH-3001, Bern, Switzerland
| | - Edgar I Campos-Madueno
- Institute for Infectious Diseases, University of Bern, Friedbühlstrasse 51, CH-3001, Bern, Switzerland; Graduate School of Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Parham Sendi
- Institute for Infectious Diseases, University of Bern, Friedbühlstrasse 51, CH-3001, Bern, Switzerland
| | - Vincent Perreten
- Institute of Veterinary Bacteriology, University of Bern, Bern, Switzerland
| | - Peter M Keller
- Institute for Infectious Diseases, University of Bern, Friedbühlstrasse 51, CH-3001, Bern, Switzerland
| | - Alban Ramette
- Institute for Infectious Diseases, University of Bern, Friedbühlstrasse 51, CH-3001, Bern, Switzerland
| | - Andrea Endimiani
- Institute for Infectious Diseases, University of Bern, Friedbühlstrasse 51, CH-3001, Bern, Switzerland.
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25
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Abstract
Antimicrobial resistance is one of the most serious threats to medical science. Food supply is recognized as a potential source of resistant bacteria, leading to the development of surveillance programs targeting primarily poultry, pork, and beef. These programs are limited in scope, not only in the commodities tested, but also in the organisms targeted (Escherichia coli, Salmonella, and Campylobacter); consequently, neither the breadth of food products available nor the organisms that may harbour clinically relevant and (or) mobile resistance genes are identified. Furthermore, there is an inadequate understanding of how international trade in food products contributes to the global dissemination of resistance. This is despite the recognized role of international travel in disseminating antimicrobial-resistant organisms, notably New Delhi metallo-beta-lactamase. An increasing number of studies describing antimicrobial-resistant organisms in a variety of imported foods are summarized in this review.
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Affiliation(s)
- Dongyun Jung
- Department of Food Science and Agricultural Chemistry, McGill University, Montreal, Quebec, Canada
| | - Beverly J Morrison
- Department of Ecosystem and Public Health, University of Calgary, Calgary, Alberta, Canada
| | - Joseph E Rubin
- Department of Veterinary Microbiology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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26
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Meybodi MME, Foroushani AR, Zolfaghari M, Abdollahi A, Alipour A, Mohammadnejad E, Mehrjardi EZ, Seifi A. Antimicrobial resistance pattern in healthcare-associated infections: investigation of in-hospital risk factors. IRANIAN JOURNAL OF MICROBIOLOGY 2021; 13:178-182. [PMID: 34540152 PMCID: PMC8408023 DOI: 10.18502/ijm.v13i2.5978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Background and Objectives: Antimicrobial resistance (AMR) is an increasing threat for efficient treatment of infections. Determining the epidemiology of healthcare-associated infections and causative agents in various hospital wards helps appropriate selection of antimicrobial agents. Materials and Methods: This retrospective study was performed by analyzing antibiograms from March 2017 to March 2018 among patients admitted to the different wards of Imam Khomeini Hospital Complex in Tehran, Iran. Results: Among 2440 hospital acquired infections, 59.3% were Gram-negative bacilli: E. coli (n = 469, 22.2%), K. pneumoniae (n = 457, 21.7%), Acinetobacter spp. (n = 282, 13.4%), P. aeruginosa (n = 139, 6.6%) and important Gram-positive bacteria were Enterococcus spp. (n = 216, 10.2%), S. aureus (n = 148, 7%), S. epidermidis (n = 118, 5.6). Generally, there was a high antimicrobial resistance in bacterial isolates in this study. Methicillin resistant Staphylococcus aureus (MRSA) was 56.3 % and MRSE 62.9 %. Vancomycin resistant enterococci (VRE) was 60.7%. K. pneumoniae-ESBL was 79.6% and its resistance to carbapenem was 38.4%. E. coli-ESBL was 42% and its resistance to carbapenems was 2.3%. P. aeruginosa resistance to ceftazidime was 74.4%, to fluroquinolones 63.3%, to aminoglycosides 64.8%, to piperacillin tazobactam 47.6% and to carbapenems 62.1%. Acinetobacter baumannii resistance to ceftazidime was 98.7%, to fluroquinolones 97%, to aminoglycosides 95.9%, to ampicillin sulbactam 84%, to carbapenems 96.4% and to colistin 4%. Conclusion: The study revealed an alarming rate of resistance to the commonly used antimicrobial agents used in treating HAIs. Also the relationship between AMR and some risk factors and thus taking steps towards controlling them have been shown.
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Affiliation(s)
| | - Abbas Rahimi Foroushani
- Department of Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Masoome Zolfaghari
- Department of Infectious Diseases, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Abdollahi
- Department of Pathology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Alipour
- Department of Community Medicine, Thalassemia Research Center, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Esmaeil Mohammadnejad
- Department of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
| | - Ehsan Zare Mehrjardi
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Arash Seifi
- Department of Infectious Diseases, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Nijsingh N, Munthe C, Lindblom A, Åhrén C. Screening for multi-drug-resistant Gram-negative bacteria: what is effective and justifiable? Monash Bioeth Rev 2021; 38:72-90. [PMID: 32356217 PMCID: PMC7749868 DOI: 10.1007/s40592-020-00113-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Effectiveness is a key criterion in assessing the justification of antibiotic resistance interventions. Depending on an intervention’s effectiveness, burdens and costs will be more or less justified, which is especially important for large scale population-level interventions with high running costs and pronounced risks to individuals in terms of wellbeing, integrity and autonomy. In this paper, we assess the case of routine hospital screening for multi-drug-resistant Gram-negative bacteria (MDRGN) from this perspective. Utilizing a comparison to screening programs for Methicillin-Resistant Staphylococcus aureus (MRSA) we argue that current screening programmes for MDRGN in low endemic settings should be reconsidered, as its effectiveness is in doubt, while general downsides to screening programs remain. To accomplish justifiable antibiotic stewardship, MDRGN screening should not be viewed as a separate measure, but rather as part of a comprehensive approach. The program should be redesigned to focus on those at risk of developing symptomatic infections with MDRGN rather than merely detecting those colonised.
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Affiliation(s)
- Niels Nijsingh
- Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden. .,Department of Philosophy, Linguistics and Theory of Science (FLoV), University of Gothenburg, Gothenburg, Sweden. .,Institute for Ethics, History and Theory of Medicine, Ludwig-Maximilians University, Lessingstr. 2, 80336, Munich, Germany.
| | - Christian Munthe
- Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden.,Department of Philosophy, Linguistics and Theory of Science (FLoV), University of Gothenburg, Gothenburg, Sweden
| | - Anna Lindblom
- Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden.,Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, Gothenburg, Sweden.,Department of Clinical Microbiology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Christina Åhrén
- Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden.,Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, Gothenburg, Sweden.,Swedish Strategic Program Against Antimicrobial Resistance (Strama), Region Västra Götaland, Gothenburg, Sweden
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28
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Iwu CD, Patrick SM. An insight into the implementation of the global action plan on antimicrobial resistance in the WHO African region: A roadmap for action. Int J Antimicrob Agents 2021; 58:106411. [PMID: 34371112 DOI: 10.1016/j.ijantimicag.2021.106411] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 06/13/2021] [Accepted: 07/30/2021] [Indexed: 10/20/2022]
Abstract
INTRODUCTION The Global Action Plan (GAP) on antimicrobial resistance (AMR) delivers a 'One Health' strategy for the development of the national action plan. It encourages the optimal use of antimicrobials and strengthens the evidence base through surveillance and research. METHODS This study evaluated the current status of implementation of the GAP on AMR in World Health Organization (WHO) African countries via a retrospective, cross-sectional analysis of routinely collected data on AMR. A SWOT analysis was used to identify the strengths, weaknesses, opportunities and threats involved in the GAP implementation. A roadmap for action was proposed. RESULTS The overall mean GAP performance score across all the countries that were assessed was 32% ± SD12 (95% CI 27-36%). The mean thematic scores were 59% ± 12 (53-65%) for multi-sector and One Health collaboration; 50% ± 22 (42-58%) for developing national AMR action plans; 38% ± 12 (33-42%) for awareness and training; 18% ± 13 (13-23%) for surveillance; 33% ± 13 (29-38%) for infection prevention and control; and 28% ± 23 (20-37%) for optimal use of antimicrobial medicines in human, animal and plant health. The difference in GAP performance scores between African sub-regions and between income categories was not statistically significant (P > 0.05). While seven countries exhibited strengths in two themes, 25 countries exhibited weaknesses across all themes. Six threats and six opportunities were identified to inform a practical roadmap for AMR action. CONCLUSION The findings from this study indicate that the overall GAP implementation on AMR in the WHO African region is inadequate. Some thematic GAP scores appeared to be relatively good, but on closer inspection, individual indicators revealed a lack of progress and implementation, requiring action.
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Affiliation(s)
- Chidozie Declan Iwu
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.
| | - Sean Mark Patrick
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa; Environmental Chemical Pollution and Health (ECPH) Research Unit, University of Pretoria, Pretoria, South Africa
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29
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Neidhöfer C, Buechler C, Neidhöfer G, Bierbaum G, Hannet I, Hoerauf A, Parčina M. Global Distribution Patterns of Carbapenemase-Encoding Bacteria in a New Light: Clues on a Role for Ethnicity. Front Cell Infect Microbiol 2021; 11:659753. [PMID: 34268132 PMCID: PMC8276097 DOI: 10.3389/fcimb.2021.659753] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 05/31/2021] [Indexed: 11/13/2022] Open
Abstract
Antibiotic resistance represents a major global concern. The rapid spread of opportunistically pathogenic carbapenemase-encoding bacteria (CEB) requires clinicians, researchers, and policy-makers to swiftly find solutions to reduce transmission rates and the associated health burden. Epidemiological data is key to planning control measures. Our study aims to contribute by providing an analysis of 397 unique CEB isolates detected in a tertiary hospital in Germany. We propose new findings on demographic variables to support preventive sanitary precautions in routine clinical practice. Data on detected CEB was combined with patient's demographic and clinical information for each isolate. Multiple regression techniques were applied to estimate the predictive quality of observed differences. Our findings confirm the role of age and gender in CEB colonization patterns and indicate a role for ethnicity and domicile. Also, carbapenemase-encoding A. baumannii was most frequently introduced to the hospital, while the risk of colonization with VIM-encoding P. aeruginosa rose with the length of hospital stay. P. aeruginosa remains an important complication of prolonged hospital stays. The strong link to hospital-wastewater may have implications for hospital-built environments. A. baumannii can be efficiently controlled from spreading at hospital admission. OXA-encoding CEB being harder to detect in routine screening, targeted preventive measures, such as culture media selective for carbapenem-resistant bacteria, would be opportune for patients from selected regions. The CEB differences linked to ethnicity found in our study may further be supporting the tailoring of diagnostic approaches, as well as health policies upon confirmation by other studies and a better understanding of their global distribution.
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Affiliation(s)
- Claudio Neidhöfer
- Institute of Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, Bonn, Germany
| | - Christian Buechler
- Institute of Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, Bonn, Germany
| | - Guido Neidhöfer
- ZEW-Leibniz Centre for European Economic Research, Mannheim, Germany
| | - Gabriele Bierbaum
- Institute of Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, Bonn, Germany
| | | | - Achim Hoerauf
- Institute of Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, Bonn, Germany
| | - Marijo Parčina
- Institute of Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, Bonn, Germany
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Kurittu P, Khakipoor B, Brouwer MS, Heikinheimo A. Plasmids conferring resistance to extended-spectrum beta-lactamases including a rare IncN+IncR multireplicon carrying blaCTX-M-1 in Escherichia coli recovered from migrating barnacle geese ( Branta leucopsis). OPEN RESEARCH EUROPE 2021; 1:46. [PMID: 37645149 PMCID: PMC10446048 DOI: 10.12688/openreseurope.13529.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/23/2021] [Indexed: 08/31/2023]
Abstract
Background: Increasing antimicrobial resistance (AMR) is a global threat and wild migratory birds may act as mediators of resistant bacteria across country borders. Our objective was to study extended-spectrum beta-lactamase (ESBL) and plasmid-encoded AmpC (pAmpC) producing Escherichia coli in barnacle geese using whole genome sequencing (WGS) and to identify plasmids harboring bla genes. Methods: Barnacle geese feces (n=200) were collected during fall 2017 and spring 2018 from an urban area in Helsinki, Finland. ESBL/AmpC-producing E. coli were recovered from nine samples (4.5%) and isolates were subjected to WGS on both short- and long-read sequencers, enabling hybrid assembly and determination of the genomic location of bla genes. Results: A rare multireplicon IncN+IncR was recovered from one isolate carrying bla CTX-M-1 in addition to aadA2b, lnu(F), and qnrS1. Moreover, rarely detected IncY plasmids in two isolates were found to harbor multiple resistance genes in addition to the human-associated bla CTX-M-15. Poultry-associated bla CMY-2 was identified from the widely distributed IncI1 and IncK plasmids from four different isolates. One isolate harbored an IncI1 plasmid with bla CTX-M-1 and flor. A chromosomal point mutation in the AmpC promoter was identified in one of the isolates. WGS analysis showed isolates carried multiple resistance and virulence genes and harbored multiple different plasmid replicons in addition to bla-carrying plasmids. Conclusions: Our findings suggest that wild migratory birds serve as a limited source of ESBL/AmpC-producing E. coli and may act as disseminators of the epidemic plasmid types IncI1 and IncK but also rarely detected plasmid types carrying multidrug resistance. Human and livestock-associated ESBL enzyme types were recovered from samples, suggesting a potential for interspecies transmission. WGS offers a thorough method for studying AMR from different sources and should be implemented more widely in the future for AMR surveillance and detection. Understanding plasmid epidemiology is vital for efforts to mitigate global AMR spread.
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Affiliation(s)
- Paula Kurittu
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Banafsheh Khakipoor
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | | | - Annamari Heikinheimo
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
- Laboratory and Research Division, Microbiology Unit, Finnish Food Authority, Seinäjoki, Finland
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31
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Taati Moghadam M, Mirzaei M, Fazel Tehrani Moghaddam M, Babakhani S, Yeganeh O, Asgharzadeh S, Farahani HE, Shahbazi S. The Challenge of Global Emergence of Novel Colistin-Resistant Escherichia coli ST131. Microb Drug Resist 2021; 27:1513-1524. [PMID: 33913748 DOI: 10.1089/mdr.2020.0505] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Escherichia coli ST131 is one of the high-risk multidrug-resistant clones with a global distribution and the ability to persist and colonize in a variety of niches. Carbapenemase-producing E. coli ST131 strains with the ability to resist last-line antibiotics (i.e., colistin) have been recently considered a significant public health. Colistin is widely used in veterinary medicine and therefore, colistin-resistant bacteria can be transmitted from livestock to humans through food. There are several mechanisms of resistance to colistin, which include chromosomal mutations and plasmid-transmitted mcr genes. E. coli ST131 is a great model organism to investigate the emergence of superbugs. This microorganism has the ability to cause intestinal and extraintestinal infections, and its accurate identification as well as its antibiotic resistance patterns are vitally important for a successful treatment strategy. Therefore, further studies are required to understand the evolution of this resistant organism for drug design, controlling the evolution of other nascent emerging pathogens, and developing antibiotic stewardship programs. In this review, we will discuss the importance of E. coli ST131, the mechanisms of resistance to colistin as the last-resort antibiotic against resistant Gram-negative bacteria, reports from different regions regarding E. coli ST131 resistance to colistin, and the most recent therapeutic approaches against colistin-resistance bacteria.
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Affiliation(s)
- Majid Taati Moghadam
- Student Research Committee, Iran University of Medical Sciences, Tehran, Iran
- Department of Microbiology, Iran University of Medical Sciences, Tehran, Iran
| | - Mehrnaz Mirzaei
- Department of Microbiology, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran
| | | | - Sajad Babakhani
- Department of Microbiology, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Omid Yeganeh
- Department of Microbiology, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Sajad Asgharzadeh
- Department of Microbiology, Iran University of Medical Sciences, Tehran, Iran
| | | | - Shahla Shahbazi
- Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
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32
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Buchek G, Mende K, Telu K, Kaiser S, Fraser J, Mitra I, Stam J, Lalani T, Tribble D, Yun HC. Travel-associated multidrug-resistant organism acquisition and risk factors among US military personnel. J Travel Med 2021; 28:6154715. [PMID: 33675647 PMCID: PMC8045176 DOI: 10.1093/jtm/taab028] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/29/2021] [Accepted: 02/08/2021] [Indexed: 11/14/2022]
Abstract
BACKGROUND International travel is a risk factor for incident colonization with extended spectrum beta-lactamase (ESBL)-producing organisms. These and other multidrug-resistant (MDR) bacteria are major pathogens in combat casualties. We evaluated risk factors for colonization with MDR bacteria in US military personnel travelling internationally for official duty. METHODS TravMil is a prospective observational study enrolling subjects presenting to military travel clinics. We analysed surveys, antimicrobial use data, and pre- and post-travel perirectal swabs in military travellers to regions outside the continental USA, Canada, Western or Northern Europe, or New Zealand, presenting to one clinic from 12/2015 to 12/2017. Recovered Gram-negative isolates underwent identification and susceptibility testing (BD Phoenix). Characteristics of trip and traveller were analysed to determine risk factors for MDR organism colonization. RESULTS 110 trips were planned by 99 travellers (74% male, median age 38 years [IQR 31, 47.25]); 72 trips with returned pre- and post-travel swabs were completed by 64 travellers. Median duration was 21 days (IQR 12.75, 79.5). 17% travelled to Mexico/Caribbean/Central America, 15% to Asia, 57% to Africa and 10% to South America; 56% stayed in hotels and 50% in dormitories/barracks. Travellers used doxycycline (15%) for malaria prophylaxis, 11% took an antibiotic for travellers' diarrhoea (TD) treatment (fluoroquinolone 7%, azithromycin 4%). Incident MDR organism colonization occurred in 8 travellers (incidence density 3.5/1000 travel days; cumulative incidence 11% of trips [95% CI: 4-19%]), all ESBL-producing Escherichia coli. A higher incidence of ESBL-producing E. coli acquisition was associated with travel to Asia (36% vs 7%, P = 0.02) but not with travel to other regions, TD or use of antimicrobials. No relationship was seen between fluoroquinolone or doxycycline exposure and resistance to those antimicrobials. CONCLUSIONS Incident colonization with MDR organisms occurs at a lower rate in this military population compared with civilian travellers, with no identified modifiable risk factors, with highest incidence of ESBL acquisition observed after South Asia travel.
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Affiliation(s)
- Gregory Buchek
- Brooke Army Medical Center, JBSA Fort Sam Houston, TX, USA.,Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Katrin Mende
- Brooke Army Medical Center, JBSA Fort Sam Houston, TX, USA.,Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Kalyani Telu
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Susan Kaiser
- Brooke Army Medical Center, JBSA Fort Sam Houston, TX, USA.,Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Jamie Fraser
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Indrani Mitra
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Jason Stam
- Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Tahaniyat Lalani
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - David Tribble
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Heather C Yun
- Brooke Army Medical Center, JBSA Fort Sam Houston, TX, USA.,Uniformed Services University of the Health Sciences, Bethesda, MD, USA
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Tufic-Garutti SDS, Ramalho JVAR, Longo LGDA, de Oliveira GC, Rocha GT, Vilar LC, Dias da Costa M, Picão RC, Girão VBDC, Santoro-Lopes G, Moreira BM, Rodrigues KMDP. Acquisition of antimicrobial resistance determinants in Enterobacterales by international travelers from a large urban setting in Brazil. Travel Med Infect Dis 2021; 41:102028. [PMID: 33737162 DOI: 10.1016/j.tmaid.2021.102028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 10/18/2020] [Accepted: 03/11/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Antimicrobial resistance is increased by international mobility. We present data about intestinal colonization of travelers departing from a middle-income country. METHODS Travelers were recruited from 2015 to 2019, collected an anal stool specimen and answered a questionnaire before and after travel. Enterobacterales isolates were investigated for antimicrobial resistance; extended-spectrum beta-lactamase (ESBL) and carbapenemase production; plasmid-encoded cephalosporinases (pAmpC), plasmid-mediated quinolone resistance (PMQR) and mcr genes by PCR and sequencing; and association with travel related variables. RESULTS Among 210 travelers, 26 (12%) carried multidrug-resistant Enterobacterales (MDR-E) and 18 (9%) ESBL-producing Enterobacterales (ESBL-E) before travel, with an increased prevalence from 1% to 11% over the study years. Acquisition of MDR-E and ESBL-E occurred in 59 (32%) and 43 (22%) travelers, respectively, mostly blaCTX-M-15 carrying Escherichia coli. One traveler acquired one isolate carrying blaOXA-181 gene, and two others, isolates carrying mcr-1. PMQR were detected in 14 isolates of returning travelers. The risk of MDR-E acquisition was higher in Southeast Asia and the Indian subcontinent, and after using antimicrobial agents. CONCLUSION We describe an increasing pre-travel prevalence of ESBL-E colonization in subjects departing from this middle-income country over time. Travel to known risk areas and use of antimicrobial agents during travel were associated with acquisition of MDR-E. Travel advice is critical to mitigating this risk, as colonization by MDR-E may raise the chances of antimicrobial-resistant infections.
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Affiliation(s)
| | - João Vitor Almeida Ramalho Ramalho
- Departamento de Doenças Infecciosas e Parasitárias, Faculdade de Medicina, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | - Gabriel Taddeucci Rocha
- Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Lucas Cecílio Vilar
- Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcellus Dias da Costa
- Laboratório de Imunização e Vigilância Em Saúde (LIVS) - Instituto Nacional de Infectologia - Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Renata Cristina Picão
- Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Guilherme Santoro-Lopes
- Departamento de Doenças Infecciosas e Parasitárias, Faculdade de Medicina, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Beatriz Meurer Moreira
- Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Káris Maria de Pinho Rodrigues
- Centro de Informação Em Saúde para Viajantes, Faculdade de Medicina, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil.
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High Prevalence of Carbapenemase-Producing Acinetobacter baumannii in Wound Infections, Ghana, 2017/2018. Microorganisms 2021; 9:microorganisms9030537. [PMID: 33807838 PMCID: PMC7998214 DOI: 10.3390/microorganisms9030537] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 02/24/2021] [Accepted: 02/27/2021] [Indexed: 01/01/2023] Open
Abstract
Three years after a prospective study on wound infections in a rural hospital in Ghana revealed no emergence of carbapenem-resistant bacteria we initiated a new study to assess the prevalence of multidrug-resistant pathogens. Three hundred and one samples of patients with wound infections were analysed for the presence of resistant bacteria in the period August 2017 till March 2018. Carbapenem-resistant Acinetobacter (A.) baumannii were further characterized by resistance gene sequencing, PCR-based bacterial strain typing, pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST “Oxford scheme”). A. baumanni was detected in wound infections of 45 patients (15%); 22 isolates were carbapenem-resistant. Carbapenemases NDM-1 and/or OXA-23 were detected in all isolates; two isolates harboured additionally OXA-420. PFGE and MLST analyses confirmed the presence of one A. baumannii strain in 17 patients that was assigned to the worldwide spread sequence type ST231 and carried NDM-1 and OXA-23. Furthermore, two new A. baumannii STs (ST2145 and ST2146) were detected in two and three patients, respectively. Within three years the prevalence of carbapenem-resistant A. baumannii increased dramatically in the hospital. The early detection of multidrug-resistant bacteria and prevention of their further spread are only possible if continuous surveillance and molecular typing will be implemented.
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Bokhary H, Pangesti KNA, Rashid H, Abd El Ghany M, Hill-Cawthorne GA. Travel-Related Antimicrobial Resistance: A Systematic Review. Trop Med Infect Dis 2021; 6:11. [PMID: 33467065 PMCID: PMC7838817 DOI: 10.3390/tropicalmed6010011] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/09/2021] [Accepted: 01/11/2021] [Indexed: 12/26/2022] Open
Abstract
There is increasing evidence that human movement facilitates the global spread of resistant bacteria and antimicrobial resistance (AMR) genes. We systematically reviewed the literature on the impact of travel on the dissemination of AMR. We searched the databases Medline, EMBASE and SCOPUS from database inception until the end of June 2019. Of the 3052 titles identified, 2253 articles passed the initial screening, of which 238 met the inclusion criteria. The studies covered 30,060 drug-resistant isolates from 26 identified bacterial species. Most were enteric, accounting for 65% of the identified species and 92% of all documented isolates. High-income countries were more likely to be recipient nations for AMR originating from middle- and low-income countries. The most common origin of travellers with resistant bacteria was Asia, covering 36% of the total isolates. Beta-lactams and quinolones were the most documented drug-resistant organisms, accounting for 35% and 31% of the overall drug resistance, respectively. Medical tourism was twice as likely to be associated with multidrug-resistant organisms than general travel. International travel is a vehicle for the transmission of antimicrobial resistance globally. Health systems should identify recent travellers to ensure that adequate precautions are taken.
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Affiliation(s)
- Hamid Bokhary
- School of Public Health, The University of Sydney, Sydney, NSW 2006, Australia; (K.N.A.P.); (G.A.H.-C.)
- University Medical Center, Umm Al-Qura University, Al Jamiah, Makkah, Makkah Region 24243, Saudi Arabia
- The Marie Bashir Institute for Infectious Diseases and Biosecurity, The University of Sydney, Westmead, NSW 2145, Australia; (H.R.); or (M.A.E.G.)
- The Westmead Institute for Medical Research, Westmead, NSW 2145, Australia
| | - Krisna N. A. Pangesti
- School of Public Health, The University of Sydney, Sydney, NSW 2006, Australia; (K.N.A.P.); (G.A.H.-C.)
- The Westmead Institute for Medical Research, Westmead, NSW 2145, Australia
| | - Harunor Rashid
- The Marie Bashir Institute for Infectious Diseases and Biosecurity, The University of Sydney, Westmead, NSW 2145, Australia; (H.R.); or (M.A.E.G.)
- National Centre for Immunisation Research and Surveillance (NCIRS), Kids Research, The Children’s Hospital at Westmead, Westmead, NSW 2145, Australia
| | - Moataz Abd El Ghany
- The Marie Bashir Institute for Infectious Diseases and Biosecurity, The University of Sydney, Westmead, NSW 2145, Australia; (H.R.); or (M.A.E.G.)
- The Westmead Institute for Medical Research, Westmead, NSW 2145, Australia
- The Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Grant A. Hill-Cawthorne
- School of Public Health, The University of Sydney, Sydney, NSW 2006, Australia; (K.N.A.P.); (G.A.H.-C.)
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Van Gompel L, Dohmen W, Luiken REC, Bouwknegt M, Heres L, van Heijnsbergen E, Jongerius-Gortemaker BGM, Scherpenisse P, Greve GD, Tersteeg-Zijderveld MHG, Wadepohl K, Ribeiro Duarte AS, Muñoz-Gómez V, Fischer J, Skarżyńska M, Wasyl D, Wagenaar JA, Urlings BAP, Dorado-García A, Wouters IM, Heederik DJJ, Schmitt H, Smit LAM. Occupational Exposure and Carriage of Antimicrobial Resistance Genes (tetW, ermB) in Pig Slaughterhouse Workers. Ann Work Expo Health 2021; 64:125-137. [PMID: 31883001 PMCID: PMC9194797 DOI: 10.1093/annweh/wxz098] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 11/30/2019] [Accepted: 12/13/2019] [Indexed: 01/05/2023] Open
Abstract
Objectives Slaughterhouse staff is occupationally exposed to antimicrobial resistant bacteria. Studies reported high antimicrobial resistance gene (ARG) abundances in slaughter pigs. This cross-sectional study investigated occupational exposure to tetracycline (tetW) and macrolide (ermB) resistance genes and assessed determinants for faecal tetW and ermB carriage among pig slaughterhouse workers. Methods During 2015–2016, 483 faecal samples and personal questionnaires were collected from workers in a Dutch pig abattoir, together with 60 pig faecal samples. Human dermal and respiratory exposure was assessed by examining 198 carcass, 326 gloves, and 33 air samples along the line, next to 198 packed pork chops to indicate potential consumer exposure. Samples were analyzed by qPCR (tetW, ermB). A job exposure matrix was created by calculating the percentage of tetW and ermB positive carcasses or gloves for each job position. Multiple linear regression models were used to link exposure to tetW and ermB carriage. Results Workers are exposed to tetracycline and macrolide resistance genes along the slaughter line. Tetw and ermB gradients were found for carcasses, gloves, and air filters. One packed pork chop contained tetW, ermB was non-detectable. Human faecal tetW and ermB concentrations were lower than in pig faeces. Associations were found between occupational tetW exposure and human faecal tetW carriage, yet, not after model adjustments. Sampling round, nationality, and smoking were determinants for ARG carriage. Conclusion We demonstrated clear environmental tetracycline and macrolide resistance gene exposure gradients along the slaughter line. No robust link was found between ARG exposure and human faecal ARG carriage.
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Affiliation(s)
- Liese Van Gompel
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Wietske Dohmen
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Roosmarijn E C Luiken
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | | | | | - Eri van Heijnsbergen
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Betty G M Jongerius-Gortemaker
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Peter Scherpenisse
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Gerdit D Greve
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | | | - Katharina Wadepohl
- Field Station for Epidemiology, University of Veterinary Medicine Hannover Foundation, Bakum, Germany
| | - Ana Sofia Ribeiro Duarte
- Section for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Lyngby, Denmark
| | | | - Jennie Fischer
- German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Straße, Berlin, Germany
| | | | - Dariusz Wasyl
- National Veterinary Research Institute (PIWet), Puławy, Poland
| | - Jaap A Wagenaar
- Wageningen, Bioveterinary Research, Lelystad, The Netherlands.,Department of Infectious Diseases and Immunology (I&I), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | | | - Alejandro Dorado-García
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Inge M Wouters
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Dick J J Heederik
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Heike Schmitt
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.,Centre for Infectious Disease Control (RIVM), National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Lidwien A M Smit
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
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Urban Migrant Labourers as Potential Source for Transfer of Antimicrobial Resistance to Rural Community. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2020. [DOI: 10.22207/jpam.14.4.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The aim of the study was to investigate potential evidence for spread of antimicrobial resistance (AMR) from urban migrant labourers to labourers from local resident rural community due to sharing of common residential premises and other civic amenities. Two groups of unskilled labourers, enrolled for civil construction in a peri-urban area viz. (i) labourers having migrated from urban zone and (ii) labourers from local resident village community were compared in terms of demographic profile, history of various risk factors towards acquisition of AMR and prevalence of extended-spectrum beta-lactamase (ESBL), carbapenemase and New Delhi metallo-beta-lactamase type 1 (NDM-1) categories of AMR at enrolment and after one year of sharing of common residential premises with associated sanitation facilities using Escherichia coli as indicator organism. Higher percentage of urban migrant labourers were characterised by low literacy level, history of inhabitation in makeshift shelters without dedicated access to drinking water or cooking space, practice of defecation in open, episodes of illness suggestive of bacterial infections, faulty treatment seeking behaviour and intestinal carriage rate of E. coli with various categories of AMR compared to the non-migrant labourers from rural community. The later group showed an increase in the prevalence of carbapenem resistance with NDM-1 production during the duration of co-inhabitation with urban migrant labourers. The present study provided potential evidence for transfer of AMR by urban migrant labourers to non-migrant labourers from rural community that may serve as vehicle for further transmission of AMR to the rural community hitherto unexposed or less exposed to the problem.
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38
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Taggar G, Attiq Rheman M, Boerlin P, Diarra MS. Molecular Epidemiology of Carbapenemases in Enterobacteriales from Humans, Animals, Food and the Environment. Antibiotics (Basel) 2020; 9:antibiotics9100693. [PMID: 33066205 PMCID: PMC7602032 DOI: 10.3390/antibiotics9100693] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/02/2020] [Accepted: 10/07/2020] [Indexed: 12/31/2022] Open
Abstract
The Enterobacteriales order consists of seven families including Enterobacteriaceae, Erwiniaceae, Pectobacteriaceae, Yersiniaceae, Hafniaceae, Morganellaceae, and Budviciaceae and 60 genera encompassing over 250 species. The Enterobacteriaceae is currently considered as the most taxonomically diverse among all seven recognized families. The emergence of carbapenem resistance (CR) in Enterobacteriaceae caused by hydrolytic enzymes called carbapenemases has become a major concern worldwide. Carbapenem-resistant Enterobacteriaceae (CRE) isolates have been reported not only in nosocomial and community-acquired pathogens but also in food-producing animals, companion animals, and the environment. The reported carbapenemases in Enterobacteriaceae from different sources belong to the Ambler class A (blaKPC), class B (blaIMP, blaVIM, blaNDM), and class D (blaOXA-48) β-lactamases. The carbapenem encoding genes are often located on plasmids or associated with various mobile genetic elements (MGEs) like transposons and integrons, which contribute significantly to their spread. These genes are most of the time associated with other antimicrobial resistance genes such as other β-lactamases, as well as aminoglycosides and fluoroquinolones resistance genes leading to multidrug resistance phenotypes. Control strategies to prevent infections due to CRE and their dissemination in human, animal and food have become necessary. Several factors involved in the emergence of CRE have been described. This review mainly focuses on the molecular epidemiology of carbapenemases in members of Enterobacteriaceae family from humans, animals, food and the environment.
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Affiliation(s)
- Gurleen Taggar
- Guelph Research and Development Center, Agriculture and Agri-Food Canada (AAFC), 93, Stone Road West, Guelph, ON N1G 5C6, Canada; (G.T.); (M.A.R.)
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Muhammad Attiq Rheman
- Guelph Research and Development Center, Agriculture and Agri-Food Canada (AAFC), 93, Stone Road West, Guelph, ON N1G 5C6, Canada; (G.T.); (M.A.R.)
| | - Patrick Boerlin
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Moussa Sory Diarra
- Guelph Research and Development Center, Agriculture and Agri-Food Canada (AAFC), 93, Stone Road West, Guelph, ON N1G 5C6, Canada; (G.T.); (M.A.R.)
- Correspondence:
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39
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[Infections due to multidrug-resistant pathogens : Pathogens, resistance mechanisms and established treatment options]. Anaesthesist 2020; 68:711-730. [PMID: 31555833 DOI: 10.1007/s00101-019-00645-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The increase in resistant pathogens has long been a global problem. Complicated life-threatening infections due to multidrug-resistant pathogens (MRD) meanwhile occur regularly in intensive care medicine. An important and also potentially modifiable factor of the rapid spread of resistance is the irrational use of broad spectrum antibiotics in human medicine. In addition to many other resistance mechanisms, beta-lactamases play an important role in Gram-negative pathogens. They are not uncommonly the leading reason of difficult to treat infections and the failure of known routinely used broad spectrum antibiotics, such as cephalosporins, (acylamino)penicillins and carbapenems. Strategies for containment of MRDs primaríly target the rational use of antibiotics. In this respect interdisciplinary treatment teams, e.g. antibiotic stewardship (ABS) and infectious diseases stewardship (IDS) play a major role.
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40
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Flores C, Bianco K, de Filippis I, Clementino MM, Romão CMC. Genetic Relatedness of NDM-Producing Klebsiella pneumoniae Co-Occurring VIM, KPC, and OXA-48 Enzymes from Surveillance Cultures from an Intensive Care Unit. Microb Drug Resist 2020; 26:1219-1226. [DOI: 10.1089/mdr.2019.0483] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- Claudia Flores
- Fundação Oswaldo Cruz, Instituto Nacional de Controle de Qualidade em Saúde, Rio de Janeiro, Brazil
| | - Kayo Bianco
- Fundação Oswaldo Cruz, Instituto Nacional de Controle de Qualidade em Saúde, Rio de Janeiro, Brazil
| | - Ivano de Filippis
- Fundação Oswaldo Cruz, Instituto Nacional de Controle de Qualidade em Saúde, Rio de Janeiro, Brazil
| | | | - Célia Maria C.P.A. Romão
- Fundação Oswaldo Cruz, Instituto Nacional de Controle de Qualidade em Saúde, Rio de Janeiro, Brazil
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41
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Saito N, Minakawa S, Inoue F, Kimura M, Ogasawara S, Kayaba H. Impact of Geographical Variations on the Prevalence of Multidrug-Resistant Organisms in Japan. Jpn J Infect Dis 2020; 73:354-360. [PMID: 32350219 DOI: 10.7883/yoken.jjid.2019.498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Emergence and spread of multidrug-resistant organisms (MDRO) is an urgent social and public health problem. Here, we carried out an epidemiological survey to clarify the geographical characteristics and factors influencing the prevalence of MDRO. Data on the prevalence of MDRO in 47 prefectures in Japan were extracted from the Japanese Nosocomial Infection Surveillance, a nationwide database for infection control. Potential factors for MDRO were analyzed using data selected from the pharmacological, medical service, infection control, environmental, social, and food-related categories, based on the characteristics of each organism and the correlations between them and MDRO prevalence. Statistical data for potential factors were obtained from public domains. The use of antibiotics was found to be correlated with the prevalence of penicillin-resistant Streptococcus pneumoniae, 3rd-generation cephalosporin- and fluoroquinolone-resistant Escherichia coli, and methicillin-resistant Staphylococcus aureus. Negative correlation between the consumption of food such as kelp and fermented soybeans that facilitate the growth of lactic acid bacteria and the prevalence of 3rd-generation cephalosporin- and fluoroquinolone-resistant E. coli suggested an association between the intestinal microflora and MDRO colonization. In addition to the use of antibiotics, lifestyle, food culture, and social factors such as tobacco smoking, average atmospheric temperature, prevalence of three-generation households, ratio of elderly population, average duration of tourist stay, chicken and fermented soybean consumption, and the competency of healthcare services may also affect MDRO prevalence.
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Affiliation(s)
- Norihiro Saito
- Department of Clinical Laboratory Medicine, Hirosaki University Graduate School of Medicine, Japan.,Clinical Laboratory, Hirosaki University Hospital, Japan
| | | | - Fumio Inoue
- Clinical Laboratory, Hirosaki University Hospital, Japan
| | | | - Shu Ogasawara
- Clinical Laboratory, Hirosaki University Hospital, Japan
| | - Hiroyuki Kayaba
- Department of Clinical Laboratory Medicine, Hirosaki University Graduate School of Medicine, Japan.,Clinical Laboratory, Hirosaki University Hospital, Japan
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Phylogenetic Classification, Biofilm-Forming Capacity, Virulence Factors, and Antimicrobial Resistance in Uropathogenic Escherichia coli (UPEC). Curr Microbiol 2020; 77:3361-3370. [PMID: 32910213 DOI: 10.1007/s00284-020-02173-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 08/21/2020] [Indexed: 10/23/2022]
Abstract
Uropathogenic Escherichia coli (UPEC) is the main cause of urinary tract infections; in recent years, its importance as a pathogen has increased due to the emergence of hypervirulent and multiresistant strains. In this study, 190 urinary isolates of E. coli were assigned into the seven phylogenetic groups A (11.1%), B1 (4.7%), B2 (46.8%), C (5.8%) D (25.3%) F (2.6%), and Clade I (2.1%), and various virulence genes were examined with polymerase chain reaction methods. All isolates had at least one virulence factor of the 9 analyzed fyuA (81.1%), fimH (96.8%), iutA (74.7%), ompT (66.8%), kpsMTII (66.8%), traT (58.9%), PAI (43.6%), PapAH (26.3%), and usp (3.2%). The results showed a direct relationship between the virulence factors and phylogenetic group A and B2. Further, virulence genetic profiles fimH, fyuA, ompT, traT, and kpsMTII correlated with the production of strong biofilm, multidrug resistance, and the production of moderate hemolysin. These results suggest that these strains may become reservoirs of genes that encode virulence factors, which could be transferred horizontally enhancing their genomic background and high possibility of acquiring new genetic information for possible dissemination. This study provides the first description of phylogroups in UPEC in the Colombian Caribbean and the association with virulence factor profile, antimicrobial susceptibility, and their possible role in the epidemiology in Colombia.
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43
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Theriault N, Tillotson G, Sandrock CE. Global travel and Gram-negative bacterial resistance; implications on clinical management. Expert Rev Anti Infect Ther 2020; 19:181-196. [PMID: 32815412 DOI: 10.1080/14787210.2020.1813022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Antimicrobial resistance (AR) is escalating worldwide with the potential for dire consequences, global travel contributes to the dissemination of resistant pathogens from one region to another. The World Health Organization identified the rapid emergence and prevalence of carbapenem-resistant Gram-negative species, including Enterobacterales, Acinetobacter baumannii, and Pseudomonas aeruginosa, as an international crisis due to treatment challenges, poor health outcomes, increased mortality, and high economic costs caused by these pathogens. AREAS COVERED This review describes key carbapenem-resistant (CR) Gram-negative species, changes in current global and regional trends, AR surveillance and reporting, and identifies drivers of change, specifically travel. Finally, we review clinical implications and challenges of treating CR infections which exist due to widespread dissemination of CR bacteria. A literature search was conducted using PubMed, Google Scholar, Ebsco, and ProQuest (from 2000 to December 2019). EXPERT OPINION The level of global travel is increasing, and antimicrobial resistance continues to disseminate worldwide. Healthcare providers risk assessment for AR needs to consider a patient's recent travel history, including pre-travel and intra-travel antimicrobial prescription, and potential exposure based on geography. Patient education, healthcare provider awareness, and access to data and surveillance resources are critical to inform antimicrobial selection and improve health outcomes.
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Lagacé-Wiens PRS, Adam HJ, Poutanen S, Baxter MR, Denisuik AJ, Golden AR, Nichol KA, Walkty A, Karlowsky JA, Mulvey MR, Golding G, Hoban DJ, Zhanel GG. Trends in antimicrobial resistance over 10 years among key bacterial pathogens from Canadian hospitals: results of the CANWARD study 2007-16. J Antimicrob Chemother 2020; 74:iv22-iv31. [PMID: 31505648 DOI: 10.1093/jac/dkz284] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES We sought to analyse 10 years of longitudinal surveillance data (2007-16) from the CANWARD study and describe emerging trends in antimicrobial resistance for key bacterial pathogens across Canada. METHODS Longitudinal data from CANWARD study sites that contributed isolates every year from 2007 to 2016 were analysed to identify trends in antimicrobial resistance over time using univariate tests of trend and multivariate regression models to account for the effects of patient demographics. RESULTS Statistically significant increases occurred in the proportion of Escherichia coli isolates resistant to extended-spectrum cephalosporins, amoxicillin/clavulanate, trimethoprim/sulfamethoxazole and ciprofloxacin. Similarly, the proportion of Klebsiella pneumoniae isolates resistant to extended-spectrum cephalosporins, amoxicillin/clavulanate, trimethoprim/sulfamethoxazole, ciprofloxacin and carbapenems increased during the study. The proportion of Enterobacter cloacae isolates resistant to ceftazidime and trimethoprim/sulfamethoxazole increased. The proportion of both ESBL-positive E. coli and K. pneumoniae (including bloodstream isolates) increased significantly between 2007 and 2016. A reduction in the proportion of Pseudomonas aeruginosa that were ciprofloxacin, cefepime, colistin, amikacin and gentamicin resistant and an increase in the proportion of P. aeruginosa isolates non-susceptible to meropenem were observed. The proportion of isolates of Staphylococcus aureus non-susceptible to clarithromycin, clindamycin and trimethoprim/sulfamethoxazole decreased over time while an increase in the proportion of isolates of Streptococcus pneumoniae non-susceptible to clarithromycin, clindamycin and doxycycline was observed. CONCLUSIONS Increases in Enterobacteriaceae resistance to multiple classes of antimicrobials, increases in ESBL-positive E. coli and K. pneumoniae, and the small but significant increase in carbapenem-resistant K. pneumoniae were the most remarkable changes in antimicrobial resistance observed from 2007 to 2016 in Canada.
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Affiliation(s)
- Philippe R S Lagacé-Wiens
- Diagnostic Services, Shared Health, Winnipeg, Manitoba, Canada.,Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Heather J Adam
- Diagnostic Services, Shared Health, Winnipeg, Manitoba, Canada.,Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Susan Poutanen
- Department of Microbiology, Mt. Sinai Hospital, Toronto, Ontario, Canada
| | - Melanie R Baxter
- Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Andrew J Denisuik
- Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Alyssa R Golden
- Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | | | - Andrew Walkty
- Diagnostic Services, Shared Health, Winnipeg, Manitoba, Canada.,Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - James A Karlowsky
- Diagnostic Services, Shared Health, Winnipeg, Manitoba, Canada.,Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Michael R Mulvey
- Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada.,National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - George Golding
- Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada.,National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Daryl J Hoban
- Diagnostic Services, Shared Health, Winnipeg, Manitoba, Canada.,Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - George G Zhanel
- Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
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Ehlkes L, Pfeifer Y, Werner G, Ignatius R, Vogt M, Eckmanns T, Zanger P, Walter J. No evidence of carbapenemase-producing Enterobacteriaceae in stool samples of 1,544 asylum seekers arriving in Rhineland-Palatinate, Germany, April 2016 to March, 2017. ACTA ACUST UNITED AC 2020; 24. [PMID: 30808444 PMCID: PMC6446954 DOI: 10.2807/1560-7917.es.2019.24.8.1800030] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Introduction: Since 2015, increased migration from Asia and Africa to Europe has raised public health concerns about potential importation of extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-PE), specifically those producing carbapenemases (C-PE), into European hospitals. Aims: To inform infection control practices about ESBL-PE prevalence in asylum seekers and to investigate whether C-PE prevalence exceeds that in the German population. Methods: Cross-sectional study from April 2016–March 2017. Routinely collected stool samples from asylum seekers were tested for antibiotic resistant Enterobacteriaceae. Country/region of origin and demographic characteristics were explored as risk factors for faecal colonisation. Results: Of 1,544 individuals, 294 tested positive for ESBL-PE colonisation (19.0%; 95% confidence intervals (CI): 17.0–21.0). Asylum seekers originating from Afghanistan/Pakistan/Iran had a prevalence of 29.3% (95% CI: 25.6–33.2), from Syria 20.4% (95% CI: 16.1–25.2) and from Eritrea/Somalia 11.9% (95% CI: 8.7–15.7). CTX-M-15 (79%) and CTX-M-27 (10%) were the most common ESBL determinants. Highest ESBL-PE prevalences were observed in boys under 10 years and women aged 20–39 years (interaction: p = 0.03). No individuals tested positive for C-PE. Faecal C-PE colonisation prevalence in asylum seekers was not statistically significantly different from prevalence reported in German communities. Conclusion: In absence of other risk factors, being a newly arrived asylum seeker from a region with increased faecal ESBL-PE colonisation prevalence is not an indicator for C-PE colonisation and thus not a reason for pre-emptive screening and isolation upon hospital admission.
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Affiliation(s)
- Lutz Ehlkes
- European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden.,Postgraduate Training for Applied Epidemiology (PAE), Robert Koch Institute, Berlin, Germany.,Federal State Agency for Consumer & Health Protection Rhineland-Palatinate, Koblenz, Germany
| | - Yvonne Pfeifer
- Robert Koch Institute, Nosocomial Pathogens and Antibiotic Resistance, Wernigerode, Germany
| | - Guido Werner
- Robert Koch Institute, Nosocomial Pathogens and Antibiotic Resistance, Wernigerode, Germany
| | - Ralf Ignatius
- Institute of Microbiology, Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany.,MVZ Labor 28, Berlin, Germany
| | - Manfred Vogt
- Federal State Agency for Consumer & Health Protection Rhineland-Palatinate, Koblenz, Germany
| | - Tim Eckmanns
- Robert Koch Institute, Nosocomial Infections and Surveillance of Antibiotic Resistance, Berlin, Germany
| | - Philipp Zanger
- These two authors have contributed equally to this manuscript and share last authorship.,Department of Infectious Diseases, Medical Microbiology and Hygiene, University Hospitals, Heidelberg, Germany.,Heidelberg Institute of Global Health, Unit of Epidemiology and Biostatistics, University Hospitals, Heidelberg, Germany.,Federal State Agency for Consumer & Health Protection Rhineland-Palatinate, Koblenz, Germany
| | - Jan Walter
- These two authors have contributed equally to this manuscript and share last authorship.,Robert Koch Institute, Nosocomial Infections and Surveillance of Antibiotic Resistance, Berlin, Germany
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Yang SK, Yusoff K, Ajat M, Yap WS, Lim SHE, Lai KS. Antimicrobial activity and mode of action of terpene linalyl anthranilate against carbapenemase-producing Klebsiella pneumoniae. J Pharm Anal 2020; 11:210-219. [PMID: 34012697 PMCID: PMC8116216 DOI: 10.1016/j.jpha.2020.05.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 05/26/2020] [Accepted: 05/28/2020] [Indexed: 11/20/2022] Open
Abstract
Mining of plant-derived antimicrobials is the major focus at current to counter antibiotic resistance. This study was conducted to characterize the antimicrobial activity and mode of action of linalyl anthranilate (LNA) against carbapenemase-producing Klebsiella pneumoniae (KPC-KP). LNA alone exhibited bactericidal activity at 2.5% (V/V), and in combination with meropenem (MPM) at 1.25% (V/V). Comparative proteomic analysis showed a significant reduction in the number of cytoplasmic and membrane proteins, indicating membrane damage in LNA-treated KPC-KP cells. Up-regulation of oxidative stress regulator proteins and down-regulation of oxidative stress-sensitive proteins indicated oxidative stress. Zeta potential measurement and outer membrane permeability assay revealed that LNA increases both bacterial surface charge and membrane permeability. Ethidium bromide influx/efflux assay showed increased uptake of ethidium bromide in LNA-treated cells, inferring membrane damage. Furthermore, intracellular leakage of nucleic acid and proteins was detected upon LNA treatment. Scanning and transmission electron microscopies again revealed the breakage of bacterial membrane and loss of intracellular materials. LNA was found to induce oxidative stress by generating reactive oxygen species (ROS) that initiate lipid peroxidation and damage the bacterial membrane. In conclusion, LNA generates ROS, initiates lipid peroxidation, and damages the bacterial membrane, resulting in intracellular leakage and eventually killing the KPC-KP cells.
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Affiliation(s)
- Shun-Kai Yang
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Khatijah Yusoff
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Mokrish Ajat
- Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Wai-Sum Yap
- Department of Biotechnology, Faculty of Applied Sciences, UCSI University, 56000, Cheras, Kuala Lumpur, Malaysia
| | - Swee-Hua Erin Lim
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, 41012, Abu Dhabi, United Arab Emirates
| | - Kok-Song Lai
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, 41012, Abu Dhabi, United Arab Emirates
- Corresponding author.
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Horseman TS, Lustik MB, Fong KSK. Rapid qualitative antibiotic resistance characterization using VITEK MS. Diagn Microbiol Infect Dis 2020; 97:115093. [PMID: 32569920 DOI: 10.1016/j.diagmicrobio.2020.115093] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 05/14/2020] [Accepted: 05/18/2020] [Indexed: 01/27/2023]
Abstract
Development and standardization of simple, timely, and cost-effective antibiotic susceptibility assays are much needed to address the emergence of global resistance. The use of matrix-assisted laser desorption/ionization time of flight mass spectrometry is routine for bacterial identification. This study evaluated 2 assays using the VITEK MS for rapid detection and accurate differentiation of bacterial antibiotic susceptibility. We describe an extraction method and direct-on-target microdroplet growth assay (DOT-MGA). Non-susceptible and susceptible strains of Staphylococcus aureus, Enterococcus species, Escherichia coli, and Klebsiella pneumoniae were tested. The liquid extraction method and DOT-MGA proved to be reliable assays providing consistent differentiation between non-susceptible and susceptible strains. Results from this study support VITEK MS and these assays as rapid and accurate tools to augment traditional susceptibility testing. If implemented clinically, these assays can reduce the cost of patient care and the time to deliver critically needed treatment.
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Affiliation(s)
- Timothy S Horseman
- Department of Clinical Investigation, Tripler Army Medical Center, 1 Jarrett White Rd, Building 40, Honolulu, HI, USA.
| | - Michael B Lustik
- Department of Clinical Investigation, Tripler Army Medical Center, 1 Jarrett White Rd, Building 40, Honolulu, HI, USA
| | - Keith S K Fong
- Department of Clinical Investigation, Tripler Army Medical Center, 1 Jarrett White Rd, Building 40, Honolulu, HI, USA
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Berndtson AE. Increasing Globalization and the Movement of Antimicrobial Resistance between Countries. Surg Infect (Larchmt) 2020; 21:579-585. [PMID: 32434446 DOI: 10.1089/sur.2020.145] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Background: The threat of antimicrobial resistance continues to grow worldwide, exacerbated by poor antibiotic stewardship practices, limited development of new antimicrobial agents, and increasing globalization. Methods: This review covers previously published studies examining how human movement contributes to the global spread of antimicrobial resistance, including between low- and middle-income and high-income countries. Results: The emergence of resistance in one country or part of the world can become a worldwide event quickly. Human movement, including travel, medical tourism, military service, and migration, results in the globalization of resistant bacterial strains. Conclusions: Increased surveillance, whole-genome sequencing, focused infection control, and effective stewardship practices are needed to maintain the efficacy of antibiotics.
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Affiliation(s)
- Allison E Berndtson
- Division of Trauma, Surgical Critical Care, Burns, and Acute Care Surgery, University of California-San Diego, San Diego, California, USA
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van Weerlee C, van der Vorm ER, Nolles L, Meeuws-van den Ende S, van der Bij AK. Duration of carriage of multidrug resistant Enterobacterales in discharged hospital and general practice patients and factors associated with clearance. Infect Prev Pract 2020; 2:100066. [PMID: 34368713 PMCID: PMC8335921 DOI: 10.1016/j.infpip.2020.100066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 05/12/2020] [Indexed: 11/24/2022] Open
Abstract
Objectives Dutch guidelines recommend contact precautions in patients with multidrug resistant microorganisms cultured during the previous 12 months. To evaluate this policy, duration of carriage of multidrug resistant Enterobacterales was assessed among discharged hospital patients and patients attending their general practitioner (GP). Additionally, we assessed factors associated with clearance. Methods From January 2013 until May 2016, rectal or faecal samples accompanied by questionnaires on patient characteristics were obtained at time of study inclusion and 3, 6 and 12 months later, in 72 patients with multidrug resistant Enterobacterales. Clearance was defined as one or more negative cultures without a subsequent positive culture at 12 months after study inclusion. The percentage of clearance, intermittent carriage and persistence was determined and associated factors were assessed by logistic regression analysis. Results Clearance was found in 31 patients (43.1% [95%CI: 32.3-54.6]) of which 23 patients had two or more subsequent negative cultures. Twelve patients were classified as intermittent carriers (16.7% [95%CI: 9.8-26.9]) and 29 patients (40.3% [95% CI: 29.7-51.8]) as persistent carriers. Of the intermittent carriers, the majority (n=9) had two negative cultures during the study period. There was no difference in clearance between discharged hospitalized patients and GP patients. The only factor associated with clearance at 12 months in both univariable and multivariable analyses was not traveling to a foreign country (OR=3.5 [95%CI: 1.0-12.4]). Conclusion Active screening for clearance of multidrug resistant Enterobacterales in patients within the health care setting is probably not beneficial due to high levels of intermittent and persistent carriage.
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Affiliation(s)
- Celine van Weerlee
- Department of Medical Microbiology, Reinier de Graaf Groep, PO Box 5011, 2600 GA Delft, the Netherlands.,Department of Medical Microbiology and Infection Prevention, Gelre Ziekenhuizen, Apeldoorn, the Netherlands
| | - Eric R van der Vorm
- Department of Medical Microbiology, Reinier de Graaf Groep, PO Box 5011, 2600 GA Delft, the Netherlands
| | - Loes Nolles
- Department of Medical Microbiology, Reinier de Graaf Groep, PO Box 5011, 2600 GA Delft, the Netherlands
| | | | - Akke K van der Bij
- Department of Medical Microbiology, Reinier de Graaf Groep, PO Box 5011, 2600 GA Delft, the Netherlands.,Department of Medical Microbiology and Immunology, Diakonessenhuis, Utrecht, the Netherlands
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50
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Mama M, Mamo A, Usman H, Hussen B, Hussen A, Morka G. Inappropriate Antibiotic Use Among Inpatients Attending Madda Walabu University Goba Referral Hospital, Southeast Ethiopia: Implication for Future Use. Infect Drug Resist 2020; 13:1403-1409. [PMID: 32494171 PMCID: PMC7229800 DOI: 10.2147/idr.s251151] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 04/23/2020] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Ethiopia is one of the countries where the healthcare system is not yet developed to the required level; hence, it is not uncommon that drugs, particularly antimicrobials, are inappropriately used for infections by any causative agents, with or without prescription, in combination or not, and, of more concern, without sensitivity tests. So, it was considered important to assess the magnitude of inappropriate antimicrobial use among inpatients attending Madda Walabu University Goba Referral Hospital, southeast Ethiopia. METHODS A health institution-based cross-sectional study was conducted from September 2018 to April 2019. Patient folders from collaborating wards were reviewed for antibiotic use. Inappropriateness of a drug or its dosage, or both, was considered in reference to the Ethiopian national treatment guideline. The information obtained was analyzed using SPSS version 20. Patterns of prescription of antimicrobials for the hospitalized patients were analyzed using simple descriptive statistics. RESULTS A total of 801 antibiotics were written as prescriptions to 471 clients, 228 (47.6%) of whom had received two or more antibiotics at the time of the study. Of the total prescribed antibiotics, 142 (30.1%) had an inappropriate prescription. Genitourinary tract infections accounted for 42 (30.4%) of the inappropriate prescriptions due to the wrong dose and drugs. Cephalosporins were the most extensively prescribed class of antibiotics, 24.4% of which were inappropriately prescribed. Intravenous formulations made up the largest proportion of prescriptions, at 335 (41.8%). The most commonly prescribed antimicrobials were cephalosporins, 178 (38%); nitroimidazoles, 115 (24.5%); and macrolides, 53 (11.3%), while ceftriaxone was prescribed in 249 (53%) and metronidazole in 123 (26.2%) cases. CONCLUSION Low dose, inadequate duration and empiric use of antibiotics were major causes of inappropriate use in the study area. Therefore, local antimicrobial sensitivity tests, antibiotic stewardship and following the national treatment guideline are recommended to overcome inappropriate antimicrobial use.
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Affiliation(s)
- Mohammedaman Mama
- Department of Medical Laboratory Sciences, School of Medicine, Madda Walabu University Goba Referral Hospital, Bale-Goba, Ethiopia
| | - Ayele Mamo
- Department of Medical Laboratory Sciences, School of Medicine, Madda Walabu University Goba Referral Hospital, Bale-Goba, Ethiopia
| | - Heyder Usman
- Department of Medical Laboratory Sciences, School of Medicine, Madda Walabu University Goba Referral Hospital, Bale-Goba, Ethiopia
| | - Bedru Hussen
- Department of Medical Laboratory Sciences, School of Medicine, Madda Walabu University Goba Referral Hospital, Bale-Goba, Ethiopia
| | - Abduljewad Hussen
- Department of Medical Laboratory Sciences, School of Medicine, Madda Walabu University Goba Referral Hospital, Bale-Goba, Ethiopia
| | - Geroma Morka
- Department of Medical Laboratory Sciences, School of Medicine, Madda Walabu University Goba Referral Hospital, Bale-Goba, Ethiopia
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