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  1. Article ; Online: Comparison of the French novel disc diffusion-based algorithm and the current EUCAST guidelines for the screening of carbapenemase-producing Enterobacterales.

    Duque, Mathilde / Bonnin, Rémy A / Dortet, Laurent

    The Journal of antimicrobial chemotherapy

    2024  

    Language English
    Publishing date 2024-02-27
    Publishing country England
    Document type Journal Article
    ZDB-ID 191709-2
    ISSN 1460-2091 ; 0305-7453
    ISSN (online) 1460-2091
    ISSN 0305-7453
    DOI 10.1093/jac/dkae054
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  2. Article ; Online: Accumulibacter spp. as the origin of the OXA-198 carbapenemase gene cassette.

    Jacquemin, Aymeric / Naas, Thierry / Dortet, Laurent / Bonnin, Rémy A

    The Journal of antimicrobial chemotherapy

    2024  

    Language English
    Publishing date 2024-04-15
    Publishing country England
    Document type Journal Article
    ZDB-ID 191709-2
    ISSN 1460-2091 ; 0305-7453
    ISSN (online) 1460-2091
    ISSN 0305-7453
    DOI 10.1093/jac/dkae108
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Mutation rate of AmpC-β-lactamase-producing Enterobacterales and treatment in clinical practice: A word of caution.

    Maillard, Alexis / Dortet, Laurent / Delory, Tristan / Lafaurie, Matthieu / Bleibtreu, Alexandre

    Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

    2024  

    Abstract: In a retrospective multicenter study of 575 patients with bloodstream infections or pneumonia due to wild-type AmpC β-lactamase-producing Enterobacterales, species with low in-vitro mutation rates for AmpC derepression were associated to fewer treatment ... ...

    Abstract In a retrospective multicenter study of 575 patients with bloodstream infections or pneumonia due to wild-type AmpC β-lactamase-producing Enterobacterales, species with low in-vitro mutation rates for AmpC derepression were associated to fewer treatment failures due to AmpC overproduction (aHR 0.5, 95%CI 0.2-0.9). However, compared to cefepime/carbapenems using 3GC as definitive therapy remained associated with this adverse outcome (15% vs. 1%).
    Language English
    Publishing date 2024-03-25
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1099781-7
    ISSN 1537-6591 ; 1058-4838
    ISSN (online) 1537-6591
    ISSN 1058-4838
    DOI 10.1093/cid/ciae160
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  4. Article ; Online: Comparison of ComASP® and UMIC® methods with the reference method for cefiderocol susceptibility testing on carbapenem-resistant Enterobacterales.

    Emeraud, Cécile / Gonzalez, Camille / Dortet, Laurent

    The Journal of antimicrobial chemotherapy

    2023  Volume 78, Issue 7, Page(s) 1800–1801

    MeSH term(s) Anti-Bacterial Agents/pharmacology ; Cephalosporins/pharmacology ; Microbial Sensitivity Tests ; Cefiderocol
    Chemical Substances Anti-Bacterial Agents ; Cephalosporins
    Language English
    Publishing date 2023-05-04
    Publishing country England
    Document type Research Support, Non-U.S. Gov't ; Letter
    ZDB-ID 191709-2
    ISSN 1460-2091 ; 0305-7453
    ISSN (online) 1460-2091
    ISSN 0305-7453
    DOI 10.1093/jac/dkad134
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  5. Article ; Online: Comparison of ETEST® superposition method and the MTS™ Aztreonam-avibactam strip with the reference method for aztreonam/avibactam susceptibility testing.

    Deschamps, Manon / Dauwalder, Ollivier / Dortet, Laurent

    The Journal of antimicrobial chemotherapy

    2023  Volume 79, Issue 3, Page(s) 685–687

    MeSH term(s) Aztreonam/pharmacology ; Disk Diffusion Antimicrobial Tests ; Anti-Bacterial Agents/pharmacology ; Anti-Bacterial Agents/therapeutic use ; Azabicyclo Compounds/pharmacology
    Chemical Substances Aztreonam (G2B4VE5GH8) ; avibactam (7352665165) ; Anti-Bacterial Agents ; Azabicyclo Compounds
    Language English
    Publishing date 2023-12-29
    Publishing country England
    Document type Journal Article
    ZDB-ID 191709-2
    ISSN 1460-2091 ; 0305-7453
    ISSN (online) 1460-2091
    ISSN 0305-7453
    DOI 10.1093/jac/dkad407
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  6. Article: In Vitro Susceptibility of Aztreonam-Vaborbactam, Aztreonam-Relebactam and Aztreonam-Avibactam Associations against Metallo-β-Lactamase-Producing Gram-Negative Bacteria.

    Emeraud, Cécile / Bernabeu, Sandrine / Dortet, Laurent

    Antibiotics (Basel, Switzerland)

    2023  Volume 12, Issue 10

    Abstract: Background: Despite the availability of new options (ceftazidime-avibactam, imipenem-relebactam, meropenem-vaborbactam and cefiderocol), it is still very difficult to treat infections caused by metallo-β-lactamase (MBLs)-producers resistant to aztreonam. ...

    Abstract Background: Despite the availability of new options (ceftazidime-avibactam, imipenem-relebactam, meropenem-vaborbactam and cefiderocol), it is still very difficult to treat infections caused by metallo-β-lactamase (MBLs)-producers resistant to aztreonam. The in vitro efficacy of aztreonam in association with avibactam, vaborbactam or relebactam was evaluated on a collection of MBL-producing Enterobacterales, MBL-producing
    Methods: A total of fifty-two non-duplicate MBL-producing Enterobacterales, five MBL-producing
    Results: The susceptibility rates of aztreonam-avibactam, aztreonam-vaborbactam and aztreonam-relebactam with a standard exposure of aztreonam (1g × 3, IV) were 84.6% (44/52), 55.8% and 34.6% for Enterobacterales and 0% for all combinations for
    Conclusions: As previously demonstrated for an aztreonam/ceftazidime-avibactam combination, aztreonam plus imipenem-relebactam and aztreonam plus meropenem-vaborbactam might be useful options, but with potentially lower efficiency, to treat infections caused by aztreonam-non-susceptible MBL-producing Gram-negative strains.
    Language English
    Publishing date 2023-09-29
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2681345-2
    ISSN 2079-6382
    ISSN 2079-6382
    DOI 10.3390/antibiotics12101493
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  7. Article ; Online: Evaluation of the French novel disc diffusion-based algorithm for the phenotypic screening of carbapenemase-producing Enterobacterales.

    Duque, Mathilde / Bonnin, Rémy A / Dortet, Laurent

    Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases

    2023  Volume 30, Issue 3, Page(s) 397.e1–397.e4

    Abstract: Objectives: The early identification of carbapenemase-producing Enterobacterales (CPE) is required to prevent their spread and initiate proper therapy. Accordingly, it is crucial to develop efficient algorithms using susceptibility testing results to ... ...

    Abstract Objectives: The early identification of carbapenemase-producing Enterobacterales (CPE) is required to prevent their spread and initiate proper therapy. Accordingly, it is crucial to develop efficient algorithms using susceptibility testing results to discriminate non-carbapenemase producers (non-CPE) from those that require complementary tests. In 2022, to adapt its recommendations to the evolution of CPE epidemiology (increased prevalence of OXA-244 producers), the Antibiogram Committee of the French Society of Microbiology (CA-SFM) proposed a new algorithm for the screening of CPE. We compared this algorithm to the former algorithm (2015-2021).
    Methods: From July 2022 to January 2023, all nonduplicate enterobacterial isolates referred to French National Reference Centre for carbapenemase detection (n = 518) were subjected to the former CA-SFM algorithm (2015 to 2021) using inhibition diameters of ertapenem, ticarcillin-clavulanate, temocillin and meropenem or imipenem, and the novel CA-SFM algorithm (since 2022) using inhibition diameters of ceftazidime-avibactam, temocillin, and meropenem or imipenem.
    Results: Sensitivity, specificity, negative predictive value, and positive predictive value were of 80.8% (CI95 76.3%-84.6%), 66.2% (58.1%-73.5%), 59.3% (51.5%-66.6%), and 85.0% (80.7% - 88.5%) for the old CA-SFM algorithm and 97.8% (95.5%-99.0%), 45.5% (37.5%-53.7%), 89.7% (80.3%-95.2%), and 80.9% (76.9%-84.4%) for the novel CA-SFM algorithm.
    Discussion: The novel CA-SFM algorithm possesses the best performance for the screening of CPE particularly in countries with a high prevalence of OXA-48-like producers.
    MeSH term(s) Humans ; Meropenem ; beta-Lactamases ; Bacterial Proteins ; Imipenem/pharmacology ; Enterobacteriaceae Infections/diagnosis ; Enterobacteriaceae Infections/epidemiology ; Enterobacteriaceae Infections/microbiology ; Microbial Sensitivity Tests ; Algorithms ; Anti-Bacterial Agents/pharmacology ; Penicillins
    Chemical Substances temocillin (03QB156W6I) ; carbapenemase (EC 3.5.2.6) ; Meropenem (FV9J3JU8B1) ; beta-Lactamases (EC 3.5.2.6) ; Bacterial Proteins ; Imipenem (71OTZ9ZE0A) ; Anti-Bacterial Agents ; Penicillins
    Language English
    Publishing date 2023-12-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 1328418-6
    ISSN 1469-0691 ; 1470-9465 ; 1198-743X
    ISSN (online) 1469-0691
    ISSN 1470-9465 ; 1198-743X
    DOI 10.1016/j.cmi.2023.12.003
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  8. Article ; Online: Regional dissemination of NDM-1 producing

    Rezzoug, Inès / Emeraud, Cécile / Rodriguez, Christophe / Pawlotsky, Jean-Michel / Bonnin, Rémy A / Dortet, Laurent

    Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin

    2024  Volume 29, Issue 11

    Abstract: BackgroundFrom 2019 to 2022, the French National Reference Centre for Antibiotic Resistance (NRC) received a total of 25 isolates ... ...

    Abstract BackgroundFrom 2019 to 2022, the French National Reference Centre for Antibiotic Resistance (NRC) received a total of 25 isolates of
    MeSH term(s) Male ; Female ; Humans ; Middle Aged ; Enterobacter/genetics ; beta-Lactamases/genetics ; Plasmids/genetics ; Colistin ; Anti-Bacterial Agents/pharmacology ; Microbial Sensitivity Tests
    Chemical Substances beta-Lactamases (EC 3.5.2.6) ; Colistin (Z67X93HJG1) ; Anti-Bacterial Agents
    Language English
    Publishing date 2024-03-01
    Publishing country Sweden
    Document type Journal Article
    ZDB-ID 1338803-4
    ISSN 1560-7917 ; 1025-496X
    ISSN (online) 1560-7917
    ISSN 1025-496X
    DOI 10.2807/1560-7917.ES.2024.29.11.2300521
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  9. Article ; Online: Lack of detection of Klebsiella aerogenes sub-species in lung infection by the BioFire® FilmArray® Pneumonia Panel plus.

    Nicolau-Guillaumet, Nathan / Dortet, Laurent / Jacquemin, Aymeric / Mourvillier, Bruno / Muggeo, Anaëlle / Guillard, Thomas

    Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases

    2024  Volume 30, Issue 5, Page(s) 688–690

    MeSH term(s) Humans ; Pneumonia, Bacterial/diagnosis ; Pneumonia, Bacterial/microbiology ; Klebsiella Infections/diagnosis ; Klebsiella Infections/microbiology ; Enterobacter aerogenes/isolation & purification ; Enterobacter aerogenes/genetics ; Male ; Aged ; Molecular Diagnostic Techniques/methods ; Female ; Middle Aged
    Language English
    Publishing date 2024-02-16
    Publishing country England
    Document type Letter
    ZDB-ID 1328418-6
    ISSN 1469-0691 ; 1470-9465 ; 1198-743X
    ISSN (online) 1469-0691
    ISSN 1470-9465 ; 1198-743X
    DOI 10.1016/j.cmi.2024.02.008
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  10. Article ; Online: Comment on: Comparison of three lateral flow immunochromatographic assays for the rapid detection of KPC, NDM, IMP, VIM and OXA-48 carbapenemases in Enterobacterales.

    Bernabeu, Sandrine / Bonnin, Rémy A / Dortet, Laurent

    The Journal of antimicrobial chemotherapy

    2022  Volume 78, Issue 1, Page(s) 314–317

    MeSH term(s) Bacterial Proteins/genetics ; Bacterial Proteins/analysis ; beta-Lactamases/genetics ; beta-Lactamases/analysis ; Immunoassay/methods
    Chemical Substances carbapenemase (EC 3.5.2.6) ; Bacterial Proteins ; beta-Lactamases (EC 3.5.2.6)
    Language English
    Publishing date 2022-11-14
    Publishing country England
    Document type Editorial ; Research Support, Non-U.S. Gov't ; Comment
    ZDB-ID 191709-2
    ISSN 1460-2091 ; 0305-7453
    ISSN (online) 1460-2091
    ISSN 0305-7453
    DOI 10.1093/jac/dkac381
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