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Segawa T, Masuda K, Hisatsune J, Ishida-Kuroki K, Sugawara Y, Kuwabara M, Nishikawa H, Hiratsuka T, Aota T, Tao Y, Iwahashi Y, Ueda K, Mae K, Masumoto K, Kitagawa H, Komatsuzawa H, Ohge H, Sugai M. Genomic analysis of inter-hospital transmission of vancomycin-resistant Enterococcus faecium sequence type 80 isolated during an outbreak in Hiroshima, Japan. Antimicrob Agents Chemother 2024; 68:e0171623. [PMID: 38506550 PMCID: PMC11064488 DOI: 10.1128/aac.01716-23] [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: 12/28/2023] [Accepted: 03/01/2024] [Indexed: 03/21/2024] Open
Abstract
Outbreaks caused by vancomycin-resistant enterococci that transcend jurisdictional boundaries are occurring worldwide. This study focused on a vancomycin-resistant enterococcus outbreak that occurred between 2018 and 2021 across two cities in Hiroshima, Japan. The study involved genetic and phylogenetic analyses using whole-genome sequencing of 103 isolates of vancomycin-resistant enterococci to identify the source and transmission routes of the outbreak. Phylogenetic analysis was performed using core genome multilocus sequence typing and core single-nucleotide polymorphisms; infection routes between hospitals were inferred using BadTrIP. The outbreak was caused by Enterococcus faecium sequence type (ST) 80 carrying the vanA plasmid, which was derived from strain A10290 isolated in India. Of the 103 isolates, 93 were E. faecium ST80 transmitted across hospitals. The circular vanA plasmid of the Hiroshima isolates was similar to the vanA plasmid of strain A10290 and transferred from E. faecium ST80 to other STs of E. faecium and other Enterococcus species by conjugation. The inferred transmission routes across hospitals suggest the existence of a central hospital serving as a hub, propagating vancomycin-resistant enterococci to multiple hospitals. Our study highlights the importance of early intervention at the key central hospital to prevent the spread of the infection to small medical facilities, such as nursing homes, with limited medical resources and a high number of vulnerable individuals.
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Affiliation(s)
- Takaya Segawa
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Higashimurayama, Japan
| | - Kanako Masuda
- Hiroshima Prefectural Center for Disease Control and Prevention, Hiroshima, Japan
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
| | - Junzo Hisatsune
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Higashimurayama, Japan
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
- Department of Antimicrobial Resistance, Hiroshima University Graduate School of Biomedical & Health Sciences, Hiroshima, Japan
| | - Kasumi Ishida-Kuroki
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Higashimurayama, Japan
| | - Yo Sugawara
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Higashimurayama, Japan
| | - Masao Kuwabara
- Hiroshima Prefectural Center for Disease Control and Prevention, Hiroshima, Japan
| | - Hideki Nishikawa
- Hiroshima Prefectural Center for Disease Control and Prevention, Hiroshima, Japan
| | - Takahiro Hiratsuka
- Hiroshima Prefectural Technology Research Institute, Public Health and Environment Center, Hiroshima, Japan
| | - Tatsuaki Aota
- Hiroshima City Institute of Public Health, Hiroshima, Japan
| | - Yasuo Tao
- Hiroshima City Public Health Center, Hiroshima, Japan
| | | | - Kuniko Ueda
- Hiroshima City Public Health Center, Hiroshima, Japan
| | - Kaori Mae
- Hiroshima City Medical Association Clinical Laboratory, Hiroshima, Japan
| | - Ken Masumoto
- Hiroshima City Medical Association Clinical Laboratory, Hiroshima, Japan
| | - Hiroki Kitagawa
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
- Department of Infectious Diseases, Hiroshima University Hospital, Hiroshima, Japan
| | - Hitoshi Komatsuzawa
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
- Department of Bacteriology, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Hiroki Ohge
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
- Department of Infectious Diseases, Hiroshima University Hospital, Hiroshima, Japan
| | - Motoyuki Sugai
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Higashimurayama, Japan
- Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
- Department of Antimicrobial Resistance, Hiroshima University Graduate School of Biomedical & Health Sciences, Hiroshima, Japan
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Wang L, Zhang T, Huo J, Wang Y, Lu Y, Zhu X. Rapid and specific detection of Enterococcus faecium with an isothermal amplification and lateral flow strip combined method. Arch Microbiol 2023; 206:28. [PMID: 38112880 DOI: 10.1007/s00203-023-03758-8] [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: 09/18/2023] [Revised: 11/17/2023] [Accepted: 11/17/2023] [Indexed: 12/21/2023]
Abstract
Enterococcus faecium is responsible for a highly contagious, drug-resistant nosocomial infection that often causes serious illness. In this study, a rapid and sensitive RPA-LFS (recombinase polymerase amplification-lateral flow strip) method for the detection of E. faecium was established based on specific primers and probes designed using the ddl gene. To verify the specificity and sensitivity of the method, 26 specific strains and 100-106 CFU/μL E. faecium were selected for detection. The results show that the proposed method can specifically detect E. faecium, and the minimum detection limit is 100 CFU/μL. To compare the clinical application of the method with qPCR, 181 clinical samples were collected for testing. RPA-LFS and qPCR had the same practical applicability, and 61 parts of E. faecium were detected in 183 clinical samples. The methods developed in this study not only have the advantages of rapid sensitivity and specificity but also meet the needs of remote areas with scarce medical resources.
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Affiliation(s)
- Lei Wang
- Central Laboratory of Hospital, The First People's Hospital of Lianyungang, Xuzhou Medical University Affiliated Hospital, Lianyungang, China
| | - Ting Zhang
- Central Laboratory of Hospital, The First People's Hospital of Lianyungang, Xuzhou Medical University Affiliated Hospital, Lianyungang, China
| | - Juan Huo
- Central Laboratory of Hospital, The First People's Hospital of Lianyungang, Xuzhou Medical University Affiliated Hospital, Lianyungang, China
| | - Yan Wang
- Department of Oncology, Lianyungang Second People's Hospital (Lianyungang Hospital Affiliated to Jiangsu University), Lianyungang, China
- Department of Laboratory Medicine, Lianyungang Second People's Hospital (Lianyungang Hospital Affiliated to Jiangsu University), Lianyungang, China
| | - Yingzhi Lu
- Department of Oncology, Lianyungang Second People's Hospital (Lianyungang Hospital Affiliated to Jiangsu University), Lianyungang, China
- Department of Laboratory Medicine, Lianyungang Second People's Hospital (Lianyungang Hospital Affiliated to Jiangsu University), Lianyungang, China
| | - Xinming Zhu
- Department of Laboratory Medicine, Lianyungang Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Traditional Chinese Medicine, Lianyungang, China.
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Cimen C, Berends MS, Bathoorn E, Lokate M, Voss A, Friedrich AW, Glasner C, Hamprecht A. Vancomycin-resistant enterococci (VRE) in hospital settings across European borders: a scoping review comparing the epidemiology in the Netherlands and Germany. Antimicrob Resist Infect Control 2023; 12:78. [PMID: 37568229 PMCID: PMC10422769 DOI: 10.1186/s13756-023-01278-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 07/19/2023] [Indexed: 08/13/2023] Open
Abstract
The rising prevalence of vancomycin-resistant enterococci (VRE) is a matter of concern in hospital settings across Europe without a distinct geographical pattern. In this scoping review, we compared the epidemiology of vancomycin-resistant Enterococcus spp. in hospitals in the Netherlands and Germany, between 1991 and 2022. We searched PubMed and summarized the national antibiotic resistance surveillance data of the two countries. We included 46 studies and summarized national surveillance data from the NethMap in the Netherlands, the National Antimicrobial Resistance Surveillance database in Germany, and the EARS-Net data. In total, 12 studies were conducted in hospitals in the Netherlands, 32 were conducted in German hospitals, and an additional two studies were conducted in a cross-border setting. The most significant difference between the two countries was that studies in Germany showed an increasing trend in the prevalence of VRE in hospitals, and no such trend was observed in studies in the Netherlands. Furthermore, in both Dutch and German hospitals, it has been revealed that the molecular epidemiology of VREfm has shifted from a predominance of vanA towards vanB over the years. According to national surveillance reports, vancomycin resistance in Enterococcus faecium clinical isolates fluctuates below 1% in Dutch hospitals, whereas it follows an increasing trend in German hospitals (above 20%), as supported by individual studies. This review demonstrates that VRE is more frequently encountered in German than in Dutch hospitals and discusses the underlying factors for the difference in VRE occurrence in these two neighboring countries by comparing differences in healthcare systems, infection prevention control (IPC) guidelines, and antibiotic use in the Netherlands and Germany.
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Affiliation(s)
- Cansu Cimen
- Institute for Medical Microbiology and Virology, University of Oldenburg, Oldenburg, Germany
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Matthijs S Berends
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Department of Medical Epidemiology, Certe Medical Diagnostics and Advice Foundation, Groningen, The Netherlands
| | - Erik Bathoorn
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Mariëtte Lokate
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Andreas Voss
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Alex W Friedrich
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- University Hospital Muenster, University of Muenster, Muenster, Germany
| | - Corinna Glasner
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
| | - Axel Hamprecht
- Institute for Medical Microbiology and Virology, University of Oldenburg, Oldenburg, Germany
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Freitas AR, Werner G. Nosocomial Pathogens and Antimicrobial Resistance: Modern Challenges and Future Opportunities. Microorganisms 2023; 11:1685. [PMID: 37512858 PMCID: PMC10386484 DOI: 10.3390/microorganisms11071685] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 06/27/2023] [Indexed: 07/30/2023] Open
Abstract
Antimicrobial resistance (AMR) has become a critical global health emergency in the 21st century, with the greatest burden in resource-limited settings [...].
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Affiliation(s)
- Ana R Freitas
- 1H-TOXRUN, One Health Toxicology Research Unit, University Institute of Health Sciences (IUCS), CESPU, CRL, 4585-116 Gandra, Portugal
- Laboratory of Microbiology, UCIBIO-Applied Molecular Biosciences Unit, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Guido Werner
- Division of Nosocomial Pathogens and Antibiotic Resistances, Department of Infectious Diseases, Robert Koch Institute, National Reference Centre for Staphylococci and Enterococci, Wernigerode Branch, 38855 Wernigerode, Germany
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Vancomycin-Resistant Enterococcus faecium and the emergence of new Sequence Types associated with Hospital Infection. Res Microbiol 2023; 174:104046. [PMID: 36858192 DOI: 10.1016/j.resmic.2023.104046] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 02/16/2023] [Accepted: 02/20/2023] [Indexed: 03/02/2023]
Abstract
Enterococcus faecium is a major cause of vancomycin-resistant enterococcal (VRE) infection. New variants of the pathogen have emerged and become dominant in healthcare settings. Two such examples, vanB ST796 and vanA ST1421 sequence types, originally arose in Australia and proceeded to cause VRE outbreaks in other countries. Of concern is the detection of a vancomycin variable enterococcal (VVE) variant of ST1421 in Europe that exhibits a vancomycin-susceptible phenotype but which can revert to resistant in the presence of vancomycin. The recent application of genome sequencing for increasing our understanding of the evolution and spread of VRE is also explored here.
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Cruz-Vargas SA, García-Muñoz L, Cuervo-Maldonado SI, Álvarez-Moreno CA, Saavedra-Trujillo CH, Álvarez-Rodríguez JC, Arango-Gutiérrez A, Gómez-Rincón JC, García-Guzman K, Leal AL, Garzón-Herazo J, Martínez-Vernaza S, Guevara FO, Jiménez-Cetina LP, Mora LM, Saavedra SY, Cortés JA. Molecular and Clinical Data of Antimicrobial Resistance in Microorganisms Producing Bacteremia in a Multicentric Cohort of Patients with Cancer in a Latin American Country. Microorganisms 2023; 11:microorganisms11020359. [PMID: 36838324 PMCID: PMC9960769 DOI: 10.3390/microorganisms11020359] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/17/2023] [Accepted: 01/20/2023] [Indexed: 02/04/2023] Open
Abstract
Patients with cancer have a higher risk of severe bacterial infections. This study aims to determine the frequency, susceptibility profiles, and resistance genes of bacterial species involved in bacteremia, as well as risk factors associated with mortality in cancer patients in Colombia. In this prospective multicenter cohort study of adult patients with cancer and bacteremia, susceptibility testing was performed and selected resistance genes were identified. A multivariate regression analysis was carried out for the identification of risk factors for mortality. In 195 patients, 206 microorganisms were isolated. Gram-negative bacteria were more frequently found, in 142 cases (68.9%): 67 Escherichia coli (32.5%), 36 Klebsiella pneumoniae (17.4%), and 21 Pseudomonas aeruginosa (10.1%), and 18 other Gram-negative isolates (8.7%). Staphylococcus aureus represented 12.4% (n = 25). Among the isolates, resistance to at least one antibiotic was identified in 63% of them. Genes coding for extended-spectrum beta-lactamases and carbapenemases, blaCTX-M and blaKPC, respectively, were commonly found. Mortality rate was 25.6% and it was lower in those with adequate empirical antibiotic treatment (22.0% vs. 45.2%, OR: 0.26, 95% CI: 0.1-0.63, in the multivariate model). In Colombia, in patients with cancer and bacteremia, bacteria have a high resistance profile to beta-lactams, with a high incidence of extended-spectrum beta-lactamases and carbapenemases. Adequate empirical treatment diminishes mortality, and empirical selection of treatment in this environment of high resistance is of key importance.
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Affiliation(s)
- Sergio Andrés Cruz-Vargas
- Department of Internal Medicine, Universidad Nacional de Colombia, Sede Bogotá, Bogotá 111321, Colombia
| | - Laura García-Muñoz
- Department of Internal Medicine, Universidad Nacional de Colombia, Sede Bogotá, Bogotá 111321, Colombia
| | - Sonia Isabel Cuervo-Maldonado
- Department of Internal Medicine, Universidad Nacional de Colombia, Sede Bogotá, Bogotá 111321, Colombia
- Infectious Diseases Group, Instituto Nacional de Cancerología-ESE, Bogotá 111511, Colombia
- Research Group in Cancer Infectious Diseases and Hematological Alterations (GREICAH), Bogotá 111321, Colombia
| | - Carlos Arturo Álvarez-Moreno
- Department of Internal Medicine, Universidad Nacional de Colombia, Sede Bogotá, Bogotá 111321, Colombia
- Clínica Universitaria Colombia, Bogota 111321, Colombia
| | | | - José Camilo Álvarez-Rodríguez
- Infectious Diseases Group, Instituto Nacional de Cancerología-ESE, Bogotá 111511, Colombia
- Research Group in Cancer Infectious Diseases and Hematological Alterations (GREICAH), Bogotá 111321, Colombia
- Hospital Universitario Clínica San Rafael, Bogotá 110111, Colombia
| | | | | | | | - Aura Lucía Leal
- Department of Microbiology, Universidad Nacional de Colombia, Bogotá 111321, Colombia
| | - Javier Garzón-Herazo
- Infectious Diseases Unit, Hospital Universitario San Ignacio, Bogotá 110231, Colombia
| | - Samuel Martínez-Vernaza
- Infectious Diseases Unit, Hospital Universitario San Ignacio, Bogotá 110231, Colombia
- Research Group in Infectious Diseases, Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Bogotá 110231, Colombia
| | | | | | - Liliana Marcela Mora
- Microbiology Laboratory, Instituto Nacional de Cancerología-ESE, Bogotá 111511, Colombia
| | | | - Jorge Alberto Cortés
- Department of Internal Medicine, Universidad Nacional de Colombia, Sede Bogotá, Bogotá 111321, Colombia
- Diseases Unit, Hospital Universitario Nacional, Bogotá 111321, Colombia
- Correspondence:
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Li J, Jiang F, Xie A, Jiang Y. Analysis of the Distribution and Drug Resistance of Pathogens in Patients with Urinary Tract Infection in the Eastern Chongming Area of Shanghai from 2018 to 2020. Infect Drug Resist 2022; 15:6413-6422. [PMID: 36345539 PMCID: PMC9636864 DOI: 10.2147/idr.s384515] [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: 08/01/2022] [Accepted: 10/20/2022] [Indexed: 11/07/2022] Open
Abstract
Purpose The aim of this study was to clarify the distribution and drug resistance of pathogens causing urinary tract infection (UTI) and to provide a scientific reference for the rational application of antibiotics. Patients and Methods The results of bacterial identification and drug sensitivity analysis of midstream urine samples in our hospital from January 2018 to December 2020 were retrospectively analyzed. The data were analyzed using WHONET 5.6 and SPSS 26.0 (IBM) software. Results In all, 1786 pathogens were isolated from 13,141 midstream urine culture samples. Of these, 1093 (61.2%) were gram-negative bacteria, mainly Escherichia coli [29.1%] and Klebsiella pneumoniae [14.3%]; 543 (30.4%) were gram-positive bacteria, mainly Enterococcus faecium [16.7%] and Enterococcus faecalis [8.4%]; and 150 (8.4%) were fungal isolates, with the most common being Candida albicans (3.7%). The resistance rates of E. coli to piperacillin/tazobactam (3.4% vs 10.0%, p<0.05), ampicillin/sulbactam (43.0% vs 53.8%, p<0.05), and ciprofloxacin (58.0% vs 72.9%, p<0.05) increased significantly. K. pneumoniae was highly sensitive to ertapenem (100%). Two Enterococcus spp were highly sensitive to tigecycline (100%), and a small number of norvancomycin-resistant strains were found. The drug resistance rate of E. faecium to quinupristin was 6.7%. The drug resistance rates of E. faecalis to furantoin and ampicillin were 4.0% and 4.7%, respectively. Conclusion The pathogens that cause UTIs in patients are diverse, with the most common being E. coli. The isolated pathogens exhibited different resistance patterns. Antibiotics should be rationally selected based on the resistance patterns of the pathogens.
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Affiliation(s)
- Jing Li
- Department of Urology, Chongming Branch of Shanghai Tenth People’s Hospital, Shanghai, Tongji University School of Medicine, Shanghai, 202157, People’s Republic of China
| | - Feifei Jiang
- Department of Clinical Laboratory, Chongming Branch of Shanghai Tenth People’s Hospital, Shanghai, Tongji University School of Medicine, Shanghai, 202157, People’s Republic of China
| | - An Xie
- Department of Nosocomial Infection Control, Chongming Branch of Shanghai Tenth People’s Hospital, Shanghai, Tongji University School of Medicine, Shanghai, 202157, People’s Republic of China
| | - Yufeng Jiang
- Department of Urology, Chongming Branch of Shanghai Tenth People’s Hospital, Shanghai, Tongji University School of Medicine, Shanghai, 202157, People’s Republic of China,Correspondence: Yufeng Jiang, Department of Urology, Chongming Branch of Shanghai Tenth People’s Hospital, Shanghai, Tongji University School of Medicine, Shanghai, 202157, People’s Republic of China, Tel +86 18101879807, Email
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