Christophe ISNARD

MCU-PH – Caen

isnard-c@chu-caen.fr
Accueil PRÉSENTATION DE L’UNITE Composition de l’unité Christophe ISNARD
Christophe Isnard

29 documents

Articles dans une revue22 documents

  • Francois Guerin, Mohamed Sassi, François Gravey, Asma Zouari, Benjamin Quenet, et al.. Lactobacillus delbrueckii subsp. allosunkii and lactis as emerging human uropathogens in elderly patients. Journal of Clinical Microbiology, 2025, 63 (5), pp.e0207224. ⟨10.1128/jcm.02072-24⟩. ⟨hal-05106824⟩
  • Sophie Reissier, Malo Penven, Marlène Amara, Laurent Dortet, Émeline Riverain, et al.. Bacterial epidemiology and antibiotic resistance rates in male urinary tract infections in France, 2019-2023. Infectious Diseases Now, 2025, 55 (7), pp.105123. ⟨10.1016/j.idnow.2025.105123⟩. ⟨hal-05248380⟩
  • Hermann Do Rego, Yousra Kherabi, Stephane Corvec, Chloé Plouzeau-Jayle, Coralie Bouchiat, et al.. Outcomes of Enterococcus faecalis infective endocarditis according to MIC of amoxicillin: a multicentric study. JAC-Antimicrobial Resistance, 2024, 6 (6), ⟨10.1093/jacamr/dlae167⟩. ⟨hal-04764203⟩
  • Benedicte Langlois, Francois Guerin, Christophe Isnard, Clement Gakuba, Damien Du Cheyron, et al.. Phenotypic and genomic changes in enteric Klebsiella populations during long-term ICU patient hospitalization: the role of RamR regulation. MSphere, 2024, 9 (12), pp.e0070424. ⟨10.1128/msphere.00704-24⟩. ⟨hal-05484299⟩
  • Charles Maurille, François Guérin, Quentin Jehanne, Alexandra Audemard-Verger, Christophe Isnard, et al.. Occurrence of in vivo carbapenem-resistant Campylobacter coli mediated by porA point mutation and overexpression of blaOXA-489 under meropenem treatment. Clinical Microbiology and Infection, 2024, 30 (11), pp.1478 - 1480. ⟨10.1016/j.cmi.2024.06.027⟩. ⟨hal-05484302⟩
  • Céline Vaesken, Paul Besnier, Claire Bernardeau, Rachid Garmi, Mélanie Malherbe, et al.. Improvement of patient care through hirudotherapy and the management of leeches from their reception to their disposal in France. European Journal of Hospital Pharmacy, 2023, 30 (E1), pp.E61--E65. ⟨10.1136/ejhpharm-2021-003100⟩. ⟨hal-04420344⟩
  • Agnès Jousset, Sandrine Bernabeu, Cécile Emeraud, Rémy Bonnin, Alexandra Lomont, et al.. Evaluation of ceftolozane-tazobactam susceptibility on a French nationwide collection of Enterobacterales. Journal of Global Antimicrobial Resistance, 2023, 32, pp.78-84. ⟨10.1016/j.jgar.2023.01.003⟩. ⟨inserm-03962400⟩
  • Clémence Beauruelle, Chloé Plouzeau, Antoine Grillon, Christophe Isnard, Stéphane Corvec, et al.. Capnocytophaga zoonotic infections: a 10-year retrospective study (the French CANCAN study). European Journal of Clinical Microbiology and Infectious Diseases, 2022, 41 (4), pp 581-588. ⟨10.1007/s10096-022-04402-x⟩. ⟨hal-03624206⟩
  • Eric Farfour, Anne-Gaëlle Si Larbi, Vincent Cattoir, Stéphane Corvec, Thomas Guillard, et al.. Temocillin susceptibility among Enterobacterales strains recovered from blood culture in France. Diagnostic Microbiology and Infectious Disease, 2021, 100 (3), pp.115368. ⟨10.1016/j.diagmicrobio.2021.115368⟩. ⟨hal-03216705⟩
  • Christophe Isnard, Sara Hernandez, François Guérin, Fanny Joalland, Didier Goux, et al.. Unexpected cell wall alteration-mediated bactericidal activity of the antifungal caspofungin against vancomycin-resistant Enterococcus faecium. Antimicrobial Agents and Chemotherapy, 2020, 64 (10), pp.e01261-20. ⟨10.1128/AAC.01261-20⟩. ⟨hal-02930693⟩
  • Agathe Capitaine, Paul-Louis Woerther, Michel Auzou, Elisabeth Chachaty, François Guérin, et al.. Paradoxical High-Level Spiramycin Resistance and Erythromycin Susceptibility due to 23S rRNA Mutation in Streptococcus constellatus. Microbial Drug Resistance, 2020, 26 (7), pp.727-731. ⟨10.1089/mdr.2019.0288⟩. ⟨hal-04298552⟩
  • Agathe Capitaine, Paul-Louis Woerther, Michel Auzou, Elisabeth Chachaty, François Guerin, et al.. Paradoxical High-Level Spiramycin Resistance and Erythromycin Susceptibility Due to 23S rRNA Mutation in Streptococcus constellatus. Microbial Drug Resistance, 2020, 26 (7), pp.727-731. ⟨10.1089/mdr.2019.0288⟩. ⟨hal-02569879⟩
  • Francois Guerin, Claire Lallement, Benoit Goudergues, Christophe Isnard, Maurizio Sanguinetti, et al.. Landscape of in vivo Fitness-Associated Genes of Enterobacter cloacae Complex. Frontiers in Microbiology, 2020, 11, pp.1609. ⟨10.3389/fmicb.2020.01609⟩. ⟨hal-02929143⟩
  • Frédéric Robin, Michel Auzou, Richard Bonnet, Romain Lebreuilly, Christophe Isnard, et al.. In vitro activity of ceftolozane-tazobactam against Enterobacter cloacae complex clinical isolates with different β-lactam resistance phenotypes. Antimicrobial Agents and Chemotherapy, 2018, 62 (9), pp.e00675-18. ⟨10.1128/AAC.00675-18⟩. ⟨hal-02063976v3⟩
  • Christophe Isnard, Anne Dhalluin, Damasie Malandain, Quentin Bruey, Michel Auzou, et al.. In vitro activity of novel anti-MRSA cephalosporins and comparator antimicrobial agents against staphylococci involved in prosthetic joint infections. Journal of Global Antimicrobial Resistance, 2018, 13, pp.221-225. ⟨10.1016/j.jgar.2018.01.022⟩. ⟨hal-02263735⟩
  • Mohamed Sassi, Francois Guerin, Léonie Lesec, Christophe Isnard, Marguerite Fines-Guyon, et al.. Genetic characterization of a VanG-type vancomycin-resistant Enterococcus faecium clinical isolate. Journal of Antimicrobial Chemotherapy, 2018, 73 (4), pp.852-855. ⟨10.1093/jac/dkx510⟩. ⟨hal-01743400⟩
  • François Guerin, Christophe Isnard, Clara Sinel, Philippe Morand, Anne Dhalluin, et al.. Cluster-dependent colistin hetero-resistance in Enterobacter cloacae complex. Journal of Antimicrobial Chemotherapy, 2016, 71 (11), pp.3058-3061. ⟨10.1093/jac/dkw260⟩. ⟨hal-02890262⟩
  • Romain Daillère, Marie Vétizou, Nadine Waldschmitt, Takahiro Yamazaki, Christophe Isnard, et al.. Enterococcus hirae and Barnesiella intestinihominis Facilitate Cyclophosphamide-Induced Therapeutic Immunomodulatory Effects. Immunity, 2016, 45 (4), pp.931 - 943. ⟨10.1016/j.immuni.2016.09.009⟩. ⟨hal-01429856⟩
  • François Guérin, Christophe Isnard, Fiona Bucquet, Marguerite Fines-Guyon, Jean-Christophe Giard, et al.. Novel chromosome-encodederm(47) determinant responsible for constitutive MLSBresistance inHelcococcus kunzii. Journal of Antimicrobial Chemotherapy, 2016, 71, pp.3046 - 3049. ⟨10.1093/jac/dkw290⟩. ⟨hal-05484287⟩
  • François Guerin, Claire Lallement, Christophe Isnard, Anne Dhalluin, Vincent Cattoir, et al.. Landscape of Resistance-Nodulation-Cell Division (RND)-Type Efflux Pumps in Enterobacter cloacae Complex. Antimicrobial Agents and Chemotherapy, 2016, 60 (4), pp.2373-2382. ⟨10.1128/AAC.02840-15⟩. ⟨hal-02890307⟩
  • Sophie Reissier, Romain Masson, François Guérin, Gerald Viquesnel, Joëlle Petitjean-Lecherbonnier, et al.. Fatal nosocomial meningitis caused by Mycoplasma hominis in an adult patient: case report and review of the literature. International Journal of Infectious Diseases, 2016, 48, pp.81-83. ⟨10.1016/j.ijid.2016.05.015⟩. ⟨hal-02632170⟩
  • François Guérin, Christophe Isnard, Vincent Cattoir, Jean Christophe Giard. Complex Regulation Pathways of AmpC-Mediated β-Lactam Resistance in Enterobacter cloacae Complex. Antimicrobial Agents and Chemotherapy, 2015, 59, pp.7753 - 7761. ⟨10.1128/aac.01729-15⟩. ⟨hal-05484284⟩

Communications dans un congrès1 document

  • Christophe Isnard. Characterization and physiological impacts of Enterococcus faecalis extracellular vesicles. MICROBES, SFM, Sep 2025, BORDEAUX, France. ⟨hal-05494533⟩

Poster de conférence5 documents

  • François Caron, Christophe Isnard, Pascal Thibon, Tiffanie Belveyre, Jocelyne Caillon, et al.. Nouvelle catégorisation EUCAST/CA-SFM de l’antibiogramme : enquête nationale « InouI » pointant des difficultés tant pour les laboratoires que pour les prescripteurs. 25es Journées Nationales d'Infectiologie, Jun 2024, Deauville, France. ⟨hal-04669522⟩
  • Cotet Camille, Creach Anne-Emeline, Tenouri Marwan, Guillaume Leduc, Galopin Sébastien, et al.. Discordance of Roseomonas mucosa antibiotic resistance profiles according to susceptibility testing method. 34th ECCMID, Apr 2024, Barcelone (Espagne), Spain. ⟨hal-05222607⟩
  • Bénédicte Langlois, Christophe Isnard, Sébastien Galopin, Mamadou Godet, François Gravey, et al.. Acquisition d'Entérobactérales résistantes aux céphalosporines de troisième génération parmi les patients hospitalisés au long cours dans les services de réanimation. JNRB, Jun 2023, Caen, France. ⟨hal-05583260⟩
  • Anne-Sophie Delorme, Arnaud de la Blanchardière, Thibon Pascal, Lorant Guillaume, Isnard Christophe, et al.. Résistance aux céphalosporines de 3 ème génération des entérobactérales isolées d'hémocultures au CHU de Caen. JNRB, Jun 2023, Caen, France. ⟨hal-05528517⟩
  • Benoit Pilmis, Christophe Isnard, Caroline Piau, Eric Farfour, Gauthier Péan de Ponfilly, et al.. Endocardite à Enterococcus faecalis : une étude française multicentrique. RICAI, Dec 2022, Paris, France. ⟨hal-04344529⟩

Thèses1 document


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