47 ud af 47 tidsskrifter valgt, søgeord (vre) valgt, emner højest 180 dage gamle, sorteret efter nyeste først.
31 emner vises.
1
Which trial do we need? Gown and glove use versus standard precautions for patients colonised or infected with MRSA or VRE
Sarah Browning, Nicole M. White, Edward Raby, Joshua S. Davis, Brett G. Mitchell
Clinical Microbiology and Infection, 16.05.2024
Tilføjet 16.05.2024
Gown and glove use as a component of ‘contact precautions’ was first recommended by the United States Healthcare Infection Control Practices Advisory Committee (HICPAC) in 1996 and remains widely adhered to today (1, 2). Despite a lack of randomised trial evidence in support of this practice, donning of gowns and gloves upon entry to the patient area (room or cubicle) continues to be ‘strongly recommended’ when the patient is infected or colonised with pathogens of epidemiological importance and the potential for contact transmission (3).
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2
Lowering the Acquisition of Multi-drug Resistant Organism (MDROs) with Pulsed-xenon (LAMP) Study: a cluster randomized controlled, double-blinded, interventional crossover trial
Clinical Infectious Diseases, 15.05.2024
Tilføjet 15.05.2024
Abstract Background Environmental disinfection is essential for reducing spread of healthcare associated infections (HAIs). Previous studies report conflicting results regarding the effects of ultraviolet light (UV) in reducing infections. This trial evaluated the impact of adding pulsed xenon UV (PX-UV) to standard terminal cleaning in reducing environmentally-implicated HAIs (eiHAIs).Methods The LAMP trial was conducted in 2 hospitals (15 inpatient wards) utilizing a cluster randomized controlled, double-blinded, interventional crossover trial comparing standard terminal cleaning followed by either pulsed xenon ultraviolet (PX-UV) disinfection (intervention arm) or sham disinfection (control arm). The primary outcome was incidence of eiHAIs from clinical microbiology tests on the 4th day of stay or later or within 3 days after discharge from the study unit. EiHAIs included clinical cultures positive for vancomycin-resistant enterococci (VRE), extended spectrum beta-lactamase-producing Escherichia coli or Klebsiella pneumonia, methicillin-resistant Staphylococcus aureus (MRSA), and Acinetobacter baumannii, and stool PCR positive for Clostridiodes difficile.Findings Between May 18, 2017 to Jan 7, 2020, 25,732 patients were included, with an incidence of 601 eiHAI and 180,954 patient days. There was no difference in the rate of eiHAIs in the intervention and sham arms (3.49 vs 3.17 infections/1000 patient days respectively, RR 1.10 CI (0.94, 1.29, p= 0.23)). Study results were similar when stratified by eiHAI type, hospital, and unit type.Conclusion The LAMP study failed to demonstrate an effect of the addition of UV light disinfection following terminal cleaning on reductions in rates of eiHAIs. Further investigations targeting hospital environmental surfaces and the role of no touch technology to reduce HAIs are needed.
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3
Epidemiological trends and susceptibility patterns of bloodstream infections caused by Enterococcus spp. in six German university hospitals: a prospectively evaluated multicentre cohort study from 2016 to 2020 of the R-Net study group
Infection, 3.05.2024
Tilføjet 3.05.2024
Abstract Purpose To analyse recent epidemiological trends of bloodstream infections (BSI) caused by Enterococcus spp. In adult patients admitted to tertiary care centres in Germany. Methods Epidemiological data from the multicentre R-NET study was analysed. Patients presenting with E. faecium or E. faecalis in blood cultures in six German tertiary care university hospitals between October 2016 and June 2020 were prospectively evaluated. In vancomycin-resistant enterococci (VRE), the presence of vanA/vanB was confirmed via molecular methods. Results In the 4-year study period, 3001 patients with BSI due to Enterococcus spp. were identified. E. faecium was detected in 1830 patients (61%) and E. faecalis in 1229 patients (41%). Most BSI occurred in (sub-) specialties of internal medicine. The pooled incidence density of enterococcal BSI increased significantly (4.0–4.5 cases per 10,000 patient days), which was primarily driven by VRE BSI (0.5 to 1.0 cases per 10,000 patient days). In 2020, the proportion of VRE BSI was > 12% in all study sites (range, 12.8–32.2%). Molecular detection of resistance in 363 VRE isolates showed a predominance of the vanB gene (77.1%). Conclusion This large multicentre study highlights an increase of BSI due to E. faecium, which was primarily driven by VRE. The high rates of hospital- and ICU-acquired VRE BSI point towards an important role of prior antibiotic exposure and invasive procedures as risk factors. Due to limited treatment options and high mortality rates of VRE BSI, the increasing incidence of VRE BSI is of major concern.
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4
Epidemiological trends and susceptibility patterns of bloodstream infections caused by Enterococcus spp. in six German university hospitals: a prospectively evaluated multicentre cohort study from 2016 to 2020 of the R-Net study group
Infection, 1.05.2024
Tilføjet 1.05.2024
Abstract Purpose To analyse recent epidemiological trends of bloodstream infections (BSI) caused by Enterococcus spp. In adult patients admitted to tertiary care centres in Germany. Methods Epidemiological data from the multicentre R-NET study was analysed. Patients presenting with E. faecium or E. faecalis in blood cultures in six German tertiary care university hospitals between October 2016 and June 2020 were prospectively evaluated. In vancomycin-resistant enterococci (VRE), the presence of vanA/vanB was confirmed via molecular methods. Results In the 4-year study period, 3001 patients with BSI due to Enterococcus spp. were identified. E. faecium was detected in 1830 patients (61%) and E. faecalis in 1229 patients (41%). Most BSI occurred in (sub-) specialties of internal medicine. The pooled incidence density of enterococcal BSI increased significantly (4.0–4.5 cases per 10,000 patient days), which was primarily driven by VRE BSI (0.5 to 1.0 cases per 10,000 patient days). In 2020, the proportion of VRE BSI was > 12% in all study sites (range, 12.8–32.2%). Molecular detection of resistance in 363 VRE isolates showed a predominance of the vanB gene (77.1%). Conclusion This large multicentre study highlights an increase of BSI due to E. faecium, which was primarily driven by VRE. The high rates of hospital- and ICU-acquired VRE BSI point towards an important role of prior antibiotic exposure and invasive procedures as risk factors. Due to limited treatment options and high mortality rates of VRE BSI, the increasing incidence of VRE BSI is of major concern.
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5
The genome-oriented surveillance of vancomycin-resistant enterococci shows a clear misclassification of nosocomial transmission events
Anca Rath, Bärbel Kieninger, Nilufarbayim Mirzaliyeva, Stephan Schmid, Patricia Mester, Wulf Schneider-Brachert
Clinical Microbiology and Infection, 24.04.2024
Tilføjet 24.04.2024
Surveillance of multidrug-resistant bacteria like vancomycin-resistant enterococci (VRE) and prompt outbreak recognition are vital for infection prevention and control (IPC). Yet, data collection is laborious, and analysis prone to errors due to limited resolution of common diagnostic tools. Precision in defining \'the same pathogen\' is, however, critical for nosocomial transmission analysis.
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6
Rodent control strategies and Lassa virus: some unexpected effects in Guinea, West Africa
Joachim MariënMickaël SageUmaru BanguraAlicia LaméMichel KoropoguiToni RiegerBarré SoropoguiMoussa DounoN’Faly MagassoubaElisabeth Fichet-Calveta Evolutionary Ecology group, Department of Biology University of Antwerp, Antwerp, Belgiumb Virus Ecology unit, Department of Biomedical sciences, Institute of Tropical Medicine, Antwerp, Belgiumc Faune INNOV’ R&D – Wildlife INNOVATION, Besançon, Franced Implementation Research, Zoonoses Control group, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germanye Projet des fièvres Hémorragiques en Guinée, Laboratoire de Virologie, Conakry, Guineaf Department of Virology, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
Emerg Microbes Infect, 21.04.2024
Tilføjet 21.04.2024
7
Aflatoxin B1 and Epstein–Barr virus-induced CCL22 expression stimulates B cell infection
Mohamed Ali MarouiGrace Akinyi OdongoLucia MundoFrancesca ManaraFabrice MureFloriane FusilAntonin JayTarik GheitThanos M. MichailidisDomenico FerraraLorenzo LeonciniPaul MurrayEvelyne ManetThéophile OhlmannMarthe De BoevreSarah De SaegerFrançois-Loïc CossetStefano LazziRosita AccardiZdenko HercegHenri GruffatRita KhoueiryaCentre International de Recherche en Infectiologie, University Claude Bernard Lyon I, INSERM U1111, CNRS UMR5308, Ecole Normale Supérieure, Lyon 69366 Cedex 07, FrancebEpigenomics and Mechanisms Branch, International Agency for Research on Cancer, World Health Organization, Lyon 69366 Cedex 07, FrancecLimerick Digital Cancer Research Centre, Health Research Institute, Bernal Institute and School of Medicine, University of Limerick, Limerick V94 T9PX, IrelanddDepartment of Medical Biotechnology, Section of Pathology, University of Siena, Siena 53100, ItalyeCentre of Excellence in Mycotoxicology and Public Health, Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ghent 9000, BelgiumfDepartment of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Gauteng 2028, South Africa
Proceedings of the National Academy of Sciences, 17.04.2024
Tilføjet 17.04.2024
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Neutralizing antibody response to XBB.1.5, BA.2.86, FL.1.5.1 and JN.1 six months after the BNT162b2 bivalent booster
Julien Favresse, Constant Gillot, Julien Cabo, Clara David, Jean-Michel Dogné, Jonathan Douxfils
International Journal of Infectious Diseases, 5.04.2024
Tilføjet 5.04.2024
An increase evasion of the SARS-CoV-2 virus towards vaccination strategies and natural immunity has been rapidly described notably due to mutations in the spike receptor binding domain (RBD) and the N-terminal domain (NTD)C.
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9
Aflatoxin B1 and Epstein–Barr virus-induced CCL22 expression stimulates B cell infection
Mohamed Ali MarouiGrace Akinyi OdongoLucia MundoFrancesca ManaraFabrice MureFloriane FusilAntonin JayTarik GheitThanos M. MichailidisDomenico FerraraLorenzo LeonciniPaul MurrayEvelyne ManetThéophile OhlmannMarthe De BoevreSarah De SaegerFrançois-Loïc CossetStefano LazziRosita AccardiZdenko HercegHenri GruffatRita KhoueiryaCentre International de Recherche en Infectiologie, University Claude Bernard Lyon I, INSERM U1111, CNRS UMR5308, Ecole Normale Supérieure, Lyon 69366 Cedex 07, FrancebEpigenomics and Mechanisms Branch, International Agency for Research on Cancer, World Health Organization, Lyon 69366 Cedex 07, FrancecLimerick Digital Cancer Research Centre, Health Research Institute, Bernal Institute and School of Medicine, University of Limerick, Limerick V94 T9PX, IrelanddDepartment of Medical Biotechnology, Section of Pathology, University of Siena, Siena 53100, ItalyeCentre of Excellence in Mycotoxicology and Public Health, Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ghent 9000, BelgiumfDepartment of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Gauteng 2028, South Africa
Proceedings of the National Academy of Sciences: Immunology and Inflammation, 5.04.2024
Tilføjet 5.04.2024
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Comparison of Daily versus Admission and Discharge Surveillance Cultures for Multidrug-Resistant Organism Detection in an Intensive Care Unit
Journal of Infectious Diseases, 28.03.2024
Tilføjet 28.03.2024
Abstract Background Admission and discharge screening of patients for asymptomatic gut colonization with multidrug-resistant organisms (MDROs) is a traditional approach to active surveillance, but its sensitivity for detecting colonization is uncertain.Methods Daily rectal or fecal swab samples and clinical data were collected over 12 months from patients in one 25-bed intensive care unit (ICU) in Chicago, IL USA and tested for the following multidrug-resistant organisms (MDROs): vancomycin-resistant enterococci (VRE); third-generation cephalosporin-resistant Enterobacterales, including extended-spectrum β-lactamase-producing Enterobacterales (ESBL); and carbapenem-resistant Enterobacterales (CRE). MDRO detection by (1) admission/discharge surveillance cultures or (2) clinical cultures were compared to daily surveillance cultures. Samples underwent 16S rRNA gene sequencing to measure the relative abundance of operational taxonomic units (OTUs) corresponding to each MDRO.Results Compared with daily surveillance cultures, admission/discharge cultures detected 91% of prevalent MDRO colonization and 63% of incident MDRO colonization among medical ICU patients. Only a minority (7%) of MDRO carriers were identified by clinical cultures. Higher relative abundance of MDRO-associated OTUs and specific antibiotic exposures were independently associated with higher probability of MDRO detection by culture.Conclusion Admission and discharge surveillance cultures underestimated MDRO acquisitions in an ICU. These limitations should be considered when designing sampling strategies for epidemiologic studies that use culture-based surveillance.
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11
Expression of the monocarboxylate transporter MCT1 is required for virus-specific mouse CD8+ T cell memory development
Stefania D’AriaCéline MaquetShuang LiSuveera DhupAnouk LepezArnaud KohlerVincent F. Van HéeRajesh K. DadhichMarine FrenièreFabienne AndrisIvan NemazanyyPierre SonveauxBénédicte MachielsLaurent GilletMichel Y. BraunaInstitute for Medical Immunology, Faculty of Medicine, Université libre de Bruxelles, Gosselies 6041, BelgiumbImmunology-Vaccinology, Department of Infectious and Parasitic Diseases, Faculty of Veterinary Medicine - Fundamental and Applied Research for Animals & Health Research Unit, University of Liège, Liège 4000, BelgiumcPole of Pharmacology, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels 1200, BelgiumdImmunobiology Laboratory, Faculty of Sciences, Université libre de Bruxelles, Gosselies 6041, BelgiumePlateforme d’étude du métabolisme, Institut Necker, Inserm US 24 - CNRS UMS 3633, Faculté de Médecine Paris Descartes, Paris 75015, FrancefWEL Research Institute, Welbio Department, Wavre 1300, Belgium
Proceedings of the National Academy of Sciences, 28.03.2024
Tilføjet 28.03.2024
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Roles of the tubulin-based cytoskeleton in the Toxoplasma gondii apical complex
Albert Tell i Puig, Dominique Soldati-Favre
Trends in Parasitology, 26.03.2024
Tilføjet 26.03.2024
Microtubules (MTs) play a vital role as key components of the eukaryotic cytoskeleton. The phylum Apicomplexa comprises eukaryotic unicellular parasitic organisms defined by the presence of an apical complex which consists of specialized secretory organelles and tubulin-based cytoskeletal elements. One apicomplexan parasite, Toxoplasma gondii, is an omnipresent opportunistic pathogen with significant medical and veterinary implications. To ensure successful infection and widespread dissemination, T. gondii heavily relies on the tubulin structures present in the apical complex. Recent advances in high-resolution imaging, coupled with reverse genetics, have offered deeper insights into the composition, functionality, and dynamics of these tubulin-based structures. The apicomplexan tubulins differ from those of their mammalian hosts, endowing them with unique attributes and susceptibility to specific classes of inhibitory compounds.
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13
Expression of the monocarboxylate transporter MCT1 is required for virus-specific mouse CD8+ T cell memory development
Stefania D’AriaCéline MaquetShuang LiSuveera DhupAnouk LepezArnaud KohlerVincent F. Van HéeRajesh K. DadhichMarine FrenièreFabienne AndrisIvan NemazanyyPierre SonveauxBénédicte MachielsLaurent GilletMichel Y. BraunaInstitute for Medical Immunology, Faculty of Medicine, Université libre de Bruxelles, Gosselies 6041, BelgiumbImmunology-Vaccinology, Department of Infectious and Parasitic Diseases, Faculty of Veterinary Medicine - Fundamental and Applied Research for Animals & Health Research Unit, University of Liège, Liège 4000, BelgiumcPole of Pharmacology, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels 1200, BelgiumdImmunobiology Laboratory, Faculty of Sciences, Université libre de Bruxelles, Gosselies 6041, BelgiumePlateforme d’étude du métabolisme, Institut Necker, Inserm US 24 - CNRS UMS 3633, Faculté de Médecine Paris Descartes, Paris 75015, FrancefWEL Research Institute, Welbio Department, Wavre 1300, Belgium
Proceedings of the National Academy of Sciences: Immunology and Inflammation, 19.03.2024
Tilføjet 19.03.2024
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Comparison of morbidity and mortality after bloodstream infection with vancomycin-resistant versus -susceptible Enterococcus faecium: a nationwide cohort study in Denmark, 2010–2019
Peter BagerJonas KählerMikael AnderssonBarbara Juliane HolzknechtSanne Grønvall Kjær HansenKristian SchønningKaren Leth NielsenKristoffer KochMette PinholtMarianne VoldstedlundAnders Rhod LarsenBrian KristensenKåre MølbakUte Wolff SönksenSissel SkovgaardRobert SkovAnette M. Hammeruma Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmarkb Department of Dataintegration and -Analysis, Statens Serum Institut, Copenhagen, Denmarkc Department of Clinical Microbiology, Copenhagen University Hospital – Herlev and Gentofte, Herlev, Denmarkd Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmarke Department of Clinical Microbiology, Odense University Hospital, Odense, Denmarkf Department of Clinical Microbiology, Copenhagen University Hospital – Rigshospitalet, Copenhagen, Denmarkg Department of Clinical Microbiology, Aalborg University Hospital, Aalborg, Denmarkh Department of Clinical Microbiology, Copenhagen University Hospital – Amager and Hvidovre, Copenhagen, Denmarki Division of Infectious Disease Preparedness, Statens Serum Institut, Copenhagen, Denmarkj National Reference Laboratory for Antimicrobial Resistance, Statens Serum Institut, Copenhagen, Denmarkk Department of Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmarkl Department of Veterinary and Animal Sciences, Faculty of Health, University of Copenhagen, Denmarkm Department of Bacteria, Parasites, and Fungi, Statens Serum Institut, Copenhagen, Denmark
Emerg Microbes Infect, 12.03.2024
Tilføjet 12.03.2024
15
Spatio-temporal spread of Lassa virus and a new rodent host in the Mano River Union area, West Africa
Umaru BanguraChristopher DavisJoyce LaminJames BanguraBarré SoropoguiAndrew J. DavisonJenna NicholsMatej VucakMickael DawsonRashid AnsumanaDianah SondufuDániel CadarToni RiegerEmma ThomsonFoday SahrN’Faly MagassoubaBruno GhersiBrian H. BirdElisabeth Fichet-Calveta Bernhard Nocht Institute for Tropical Medicine, WHO Collaborating Centre for Arbovirus and Hemorrhagic Fever Reference and Research, Hamburg, Germanyb MRC-University of Glasgow Centre for Virus Research, Glasgow, UKc Mercy Hospital Research Laboratory, Bo, Sierra Leoned University of Makeni and University of California, Davis One Health Program, Makeni, Sierra Leonee Laboratoire des Fièvres Hémorragiques en Guinée, Conakry, Guineaf College of Medicine and Allied Health Sciences, University of Sierra Leone, Freetown, Sierra Leoneg One Health Institute, School of Veterinary Medicine, University of California, Davis, Davis, CA, USA
Emerg Microbes Infect, 7.03.2024
Tilføjet 7.03.2024
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Biosynthesis and function of 7-deazaguanine derivatives in bacteria and phages
Valérie de Crécy-LagardGeoffrey HutinetJosé D. D. Cediel-BecerraYifeng YuanRémi ZallotMarc G. ChevretteR. M. Madhushi N. RatnayakeMarshall JarochSamia QuaiyumSteven Bruner1Department of Microbiology and Cell Science, University of Florida, Gainesville, Florida, USA2University of Florida Genetics Institute, Gainesville, Florida, USA3Department of Biology, Haverford College, Haverford, Pennsylvania, USA4Department of Life Sciences, Manchester Metropolitan University, Manchester, United Kingdom5Department of Chemistry, University of Florida, Gainesville, Florida, USA, Corrella S. Detweiler
Microbiology and Molecular Biology Reviews, 29.02.2024
Tilføjet 29.02.2024
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Comparative effectiveness of empirical antibiotic treatments in methicillin-susceptible Staphylococcus aureus infective endocarditis: a post hoc analysis of a prospective French cohort study
Raphaël Lecomte, Colin Deschanvres, Alexis Bourreau, Louise Ruffier d'Epenoux, Paul Le Turnier, Benjamin Gaborit, Marie Chauveau, Magali Michel, Thierry Le Tourneau, Pascale Bémer, Stéphane Corvec, David Boutoille
International Journal of Infectious Diseases, 28.02.2024
Tilføjet 28.02.2024
In most cases, treatment of infective endocarditis (IE) is empirical until the causative pathogens are identified, with two major important points. First, empirical antimicrobial therapy (EAT) is the cornerstone of sepsis therapy and any delay in time to appropriate antimicrobial therapy increases sepsis mortality, particularly in cases of septic shock [1]. Second, since Staphylococcus aureus is the leading cause of IE and is associated with higher mortality [2,3], it is crucial that EAT for infective endocarditis includes drugs that have optimal anti-staphylococcal activity [4,5].
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18
Epidemiology and infection control of vancomycin-resistant enterococci at a German university hospital: A three-year retrospective cohort study
Adrian Jochim-Vukosavic, Frank Schwab, Leonard Knegendorf, Dirk Schlüter, Franz-Christoph Bange, Ella Ebadi, Claas Baier
PLoS One Infectious Diseases, 26.02.2024
Tilføjet 26.02.2024
by Adrian Jochim-Vukosavic, Frank Schwab, Leonard Knegendorf, Dirk Schlüter, Franz-Christoph Bange, Ella Ebadi, Claas Baier Vancomycin-resistant enterococci (VRE) occur in hospitalized patients, causing both infection and colonization. In recent years, there has been an increase in VRE in German and other hospitals, raising the question of how to control this epidemic best. To better understand the specific epidemiology and to guide infection control, we conducted a retrospective cohort study analyzing all patients with VRE at Hannover Medical School, a tertiary university clinic in Germany that specializes in solid organ transplantation. Epidemiologic and clinical characteristics of patients with VRE from 2015–2017 were collected. Basic epidemiologic parameters, including VRE incidence and incidence density, were calculated. Independent risk factors for nosocomial VRE infection compared to colonization were assessed using a logistic regression model. There were 1,492 VRE cases corresponding to 822 individual patients. The incidence was 0.8 VRE cases per 100 cases. A total of 536 (35.9%) of the 1,492 VRE cases were acquired nosocomially. Of the 1,492 cases, 912 cases had VRE-positive samples (894 Enterococcus (E.) faecium and 18 E. faecalis) in our hospital laboratory and the remaining cases were known VRE carriers. The vanB-phenotype was observed in 369 of the 894 (41.3%) E. faecium isolates and in 6 of the 18 (33.3%) E. faecalis isolates. There was an increase over time in the vanB-phenotype proportion in E. faecium (2015: 63 of 171, 36.8%, 2016: 115 of 322, 35.7% and 2017: 191 of 401, 47.6%). A total of 107 cases had a VRE infection (7.2% of all VRE cases) according to the criteria of the German National Reference Center for Surveillance of Nosocomial Infections. The remaining cases were only colonized. Among other factors, leukocytopenia (
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19
The pathogenicity of vancomycin-resistant Enterococcus faecalis to colon cancer cells
BMC Infectious Diseases, 22.02.2024
Tilføjet 22.02.2024
Abstract Background The aim of this study was to investigate the pathogenicity of vancomycin-resistant Enterococcus faecalis (VREs) to human colon cells in vitro. Methods Three E. faecalis isolates (2 VREs and E. faecalis ATCC 29212) were cocultured with NCM460, HT-29 and HCT116 cells. Changes in cell morphology and bacterial adhesion were assessed at different time points. Interleukin-8 (IL-8) and vascular endothelial growth factor A (VEGFA) expression were measured via RT-qPCR and enzyme-linked immunosorbent assay (ELISA), respectively. Cell migration and human umbilical vein endothelial cells (HUVECs) tube formation assays were used for angiogenesis studies. The activity of PI3K/AKT/mTOR signaling pathway was measured by Western blotting. Results The growth and adhesion of E. faecalis at a multiplicity of infection (MOI) of 1:1 were greater than those at a MOI of 100:1(p
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20
The pathogenicity of vancomycin-resistant Enterococcus faecalis to colon cancer cells
BMC Infectious Diseases, 21.02.2024
Tilføjet 21.02.2024
Abstract Background The aim of this study was to investigate the pathogenicity of vancomycin-resistant Enterococcus faecalis (VREs) to human colon cells in vitro. Methods Three E. faecalis isolates (2 VREs and E. faecalis ATCC 29212) were cocultured with NCM460, HT-29 and HCT116 cells. Changes in cell morphology and bacterial adhesion were assessed at different time points. Interleukin-8 (IL-8) and vascular endothelial growth factor A (VEGFA) expression were measured via RT-qPCR and enzyme-linked immunosorbent assay (ELISA), respectively. Cell migration and human umbilical vein endothelial cells (HUVECs) tube formation assays were used for angiogenesis studies. The activity of PI3K/AKT/mTOR signaling pathway was measured by Western blotting. Results The growth and adhesion of E. faecalis at a multiplicity of infection (MOI) of 1:1 were greater than those at a MOI of 100:1(p
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21
The chemokine receptor CCR5: multi-faceted hook for HIV-1
Natacha Faivre, Christel Verollet and Fabrice Dumas
Retrovirology, 25.01.2024
Tilføjet 25.01.2024
Chemokines are cytokines whose primary role is cellular activation and stimulation of leukocyte migration. They perform their various functions by interacting with G protein-coupled cell surface receptors (GPC...
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22
Cross-border differences in the prevalence and risk factors for carriage of antimicrobial resistance in children attending daycare centers: a point prevalence study in the Netherlands and Belgium
BMC Infectious Diseases, 25.01.2024
Tilføjet 25.01.2024
Abstract Background Day care centres (DCCs) are ideal settings for drug-resistant bacteria to emerge. Prevalence numbers of faecal carriage of antimicrobial resistant bacteria in these settings are rare. We aimed to determine the prevalence of faecal antimicrobial resistant bacteria carriage in children attending DCCs and to assess and identify infection risk factors within DCCs in The Netherlands and Belgium. Methods A point-prevalence study was conducted in 28 Dutch (499 children) and 18 Belgian (448 children) DCCs. Stool samples were taken from the children’s diapers and a questionnaire was filled in by their parents. Hygiene related to stool and toilet use, hygiene related to food, environmental contamination, hand hygiene and hygiene guidelines were assessed conform a standardized questionnaire by the infection prevention and control expert visiting the DCC. Multilevel logistical regression analyses were used to define which characteristics predicted the presence of extended-spectrum beta-lactamase-producing Enterobacterales (ESBL-E), carbapenemase-producing Enterobacterales (CPE), vancomycin-resistant enterococci (VRE), and ciprofloxacin-resistant Enterobacterales (CipR-E). Results The ESBL-E prevalence was 16% (n = 71) in Belgium and 6% (n = 30) in the Netherlands. The CipR-E prevalence was 17% (n = 78) in Belgium and 8% (n = 38) in the Netherlands. Antimicrobial use (RR: 0.30; 95% CI: 0.33–0.48) and hospital admissions (RR: 0.37; 95% CI: 0.25–0.54) were lower in the Netherlands. Children travelling to Asia were at higher risk of being an ESBL-E carrier. Children using antimicrobials were at higher risk of being a CipR-E carrier. Cleaning the changing mat after each use was found as a protective factor for CipR-E carriage. Conclusions We established a significant difference in ESBL-E and CipR-E carriage and antimicrobial use and hospital admissions between the Netherlands and Belgium among children attending DCCs. The differences between both countries should be further studied to improve the policy on anti-microbial use and hospital admissions in children.
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23
Durability of humoral and cellular immunity six months after the BNT162b2 bivalent booster
Julien Favresse, Constant Gillot, Mélanie Closset, Julien Cabo, Loris Wauthier, Clara David, Marc Elsen, Jean‐Michel Dogné, Jonathan Douxfils
Journal of Medical Virology, 8.01.2024
Tilføjet 8.01.2024
24
Social and clinical vulnerability in stroke and STEMI management during the COVID-19 pandemic: a registry-based study
Lesaine, E., Francis, F., Domecq, S., Miganeh-Hadi, S., Sevin, F., Sibon, I., Rouanet, F., Pradeau, C., Coste, P., Cetran, L., Vandentorren, S., Saillour, F., AVICOVID group, Faucheux, Leca Radu, Seignolles, Chazalon, Dan, Lucas, Peron, Wong-So, Martinez, Nocon, Hostyn, Papin, Bordier, Casenave, Maillard, Ondze, Argacha, Tidahy, Ferraton, Mostefai, Demasles, Hubrecht, Bakpa, Bartou, Bannier, Bernady, Ellie, Higue, Marnat, Berge, Goze-Dupuy, Lavocat, Senis, Delonglee, Darraillans, Mokni, Bataille, Lorendeau, Eclancher, Trogoff, Chartroule, Touchard, Leyral, Ngounou, Scouarnec, Orcival, Goulois, Heydel, Tahon, Py, Bidian, Fabre, Cherhabil, Baha, Fort, Maisonnave, Verhoeven, Claveries, Ansart, Lefevre, Liepa, Lacrouts, Coustere, Fournier, Jarnier, Delarche, Banos, Marque, Karsenty, Perron, Leymarie, Hassan, Casteigt, Larnaudie, Combes, Laplace
BMJ Open, 3.01.2024
Tilføjet 3.01.2024
ObjectiveThis study aims to evaluate whether the first wave of the COVID-19 pandemic resulted in a deterioration in the quality of care for socially and/or clinically vulnerable stroke and ST-segment elevation myocardial infarction (STEMI) patients. DesignTwo cohorts of STEMI and stroke patients in the Aquitaine neurocardiovascular registry. SettingSix emergency medical services, 30 emergency units, 14 hospitalisation units and 11 catheterisation laboratories in the Aquitaine region in France. ParticipantsThis study involved 9218 patients (6436 stroke and 2782 STEMI patients) in the neurocardiovascular registry from January 2019 to August 2020. Primary outcome measuresCare management times in both cohorts: first medical contact-to-procedure time for the STEMI cohort and emergency unit admission-to-imaging time for the stroke cohort. Associations between social (deprivation index) and clinical (age >65 years, neurocardiovascular history) vulnerabilities and care management times were analysed using multivariate linear mixed models, with an interaction on the time period (pre-wave, per-wave and post-first COVID-19 wave). ResultsThe first medical contact procedure time was longer for elderly (p
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25
Organisation and delivery of a dedicated multidisciplinary prone ventilation team in the intensive care unit: Strategies and lessons from COVID-19
Luke Bracegirdle, Matthew Stubbs, Rezaur Rahman, Alexander I. R. Jackson, Helmi C. Burton-Papp, Robert Chambers, Sanjay Gupta, Michael P. W. Grocott, Ahilanandan Dushianthan
PLoS One Infectious Diseases, 29.12.2023
Tilføjet 29.12.2023
by Luke Bracegirdle, Matthew Stubbs, Rezaur Rahman, Alexander I. R. Jackson, Helmi C. Burton-Papp, Robert Chambers, Sanjay Gupta, Michael P. W. Grocott, Ahilanandan Dushianthan Background COVID-19 placed immense strain on healthcare systems, necessitating innovative responses to the surge of critically ill patients, particularly those requiring mechanical ventilation. In this report, we detail the establishment of a dedicated critical care prone positioning team at University Hospital Southampton in response to escalating demand for prone positioning during the initial wave of the pandemic. Methods The formation of a prone positioning team involved meticulous planning and collaboration across disciplines to ensure safe and efficient manoeuvrers. A comprehensive training strategy, aligned with national guidelines, was implemented for approximately 550 staff members from a diverse background. We surveyed team members to gain insight to the lived experience. Results A total of 78 full-time team members were recruited and successfully executed over 1200 manoeuvres over an eight-week period. Our survey suggests the majority felt valued and expressed pride and willingness to participate again should the need arise. Conclusion The rapid establishment and deployment of a dedicated prone positioning team may have contributed to both patient care and staff well-being. We provide insight and lessons that may be of value for future respiratory pandemics. Future work should explore objective clinical outcomes and long-term sustainability of such services.
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26
Measles in vulnerable populations: An outbreak in Roma settlements of Loire‐Atlantique, France, 2019
M. Lefebvre, L. Gross, R. Ollivier, S. Bailly, M. Coste‐Burel, J. Coutherut, J. Dina
Journal of Medical Virology, 19.12.2023
Tilføjet 19.12.2023
27
A digital health algorithm to guide antibiotic prescription in pediatric outpatient care: a cluster randomized controlled trial
Rainer Tan, Godfrey Kavishe, Lameck B. Luwanda, Alexandra V. Kulinkina, Sabine Renggli, Chacha Mangu, Geofrey Ashery, Margaret Jorram, Ibrahim Evans Mtebene, Peter Agrea, Humphrey Mhagama, Alan Vonlanthen, Vincent Faivre, Julien Thabard, Gillian Levine, Marie-Annick Le Pogam, Kristina Keitel, Patrick Taffé, Nyanda Ntinginya, Honorati Masanja, Valérie D’Acremont
Nature, 19.12.2023
Tilføjet 19.12.2023
28
Respiratory torque teno virus load at emergency department visit predicts intensive care unit admission of SARS‐CoV‐2 infected patients
Linda Feghoul, Amandine Caillault, Olivier Peyrony, Maud Salmona, Marie‐Laure Nere, Constance Delaugerre, Elie Azoulay, Sylvie Chevret, Jérôme LeGoff
Journal of Medical Virology, 17.12.2023
Tilføjet 17.12.2023
29
Caries prevalence and other dental pathological conditions in Vikings from Varnhem, Sweden
Carolina Bertilsson, Maria Vretemark, Henrik Lund, Peter Lingström
PLoS One Infectious Diseases, 14.12.2023
Tilføjet 14.12.2023
by Carolina Bertilsson, Maria Vretemark, Henrik Lund, Peter Lingström In a late Swedish Viking Age population dating from around 10th-12th century AD, the prevalence, distribution and location of dental caries were studied. Tooth wear, other dental pathology and anatomical variations were identified and recorded clinically and radiographically. A total of 3293 teeth were analyzed from 171 individuals with complete and partial dentitions, of which 133 were permanent and 38 deciduous/mixed dentition. The dentitions were studied clinically, using a dental probe under a strong light source, and radiographs were taken for 18 of the individuals to verify and complement the clinical caries registration. Almost half the population, 83 of 171 individuals (49%), had at least one carious lesion. All individuals with deciduous or mixed dentitions were caries-free. The number of teeth affected by caries among adults was 424 (13%) and the surface most susceptible to caries was the root surface. The tooth most commonly affected by caries was the first mandibular molar. Other findings included apical infections, which were detected clinically in 4% of the teeth, and one case of filed front teeth. The findings gave a unique understanding of life and death in this early Christian Viking community and indicated that it was common to suffer from dental caries, tooth loss, infections of dental origin and tooth pain. These Vikings also manipulated their teeth through filing, tooth picking and other occupational behaviors.
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30
Benefits and harms of cervical screening, triage and treatment strategies in women living with HIV
Michaela T. Hall, Kate T. Simms, John M. Murray, Adam Keane, Diep T. N. Nguyen, Michael Caruana, Gigi Lui, Helen Kelly, Linda O. Eckert, Nancy Santesso, Silvia de Sanjose, Edwin E. Swai, Ajay Rangaraj, Morkor Newman Owiredu, Cindy Gauvreau, Owen Demke, Partha Basu, Marc Arbyn, Shona Dalal, Nathalie Broutet, Karen Canfell
Nature, 12.12.2023
Tilføjet 12.12.2023
31
The RNA editor ADAR2 promotes immune cell trafficking by enhancing endothelial responses to interleukin-6 during sterile inflammation
Immunity, 26.04.2023
Tilføjet 26.04.2023
Publication date: Available online 25 April 2023 Source: Immunity Author(s): Aikaterini Gatsiou, Simon Tual-Chalot, Matteo Napoli, Almudena Ortega-Gomez, Tommy Regen, Rachit Badolia, Valeriana Cesarini, Claudia Garcia-Gonzalez, Raphael Chevre, Giorgia Ciliberti, Carlos Silvestre-Roig, Maurizio Martini, Jedrzej Hoffmann, Rana Hamouche, Joseph R. Visker, Nikolaos Diakos, Astrid Wietelmann, Domenico Alessandro Silvestris, Georgios Georgiopoulos, Ali Moshfegh
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