دورية أكاديمية

Commercially available tests for determining cefiderocol susceptibility display variable performance in the Achromobacter genus.

التفاصيل البيبلوغرافية
العنوان: Commercially available tests for determining cefiderocol susceptibility display variable performance in the Achromobacter genus.
المؤلفون: Jean-Pierre V; Service de Microbiologie et Hygiène hospitalière, HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CHU de Nîmes, Montpellier, 34093, France., Sorlin P; CPias Loire Atlantique, CHU de Nantes, Nantes, 44093, France., Jeannot K; Laboratoire associé du Centre National de Référence de la Résistance aux Antibiotiques, CHU de Besançon, Besançon, 25000, France., Chiron R; Centre de Ressources et de Compétences de la Mucoviscidose, HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CHU de Montpellier, Montpellier, 34093, France., Lavigne JP; Service de Microbiologie et Hygiène hospitalière, VBIC, INSERM U1047, Univ. Montpellier, CHU de Nîmes, Nîmes, 30900, France., Pantel A; Service de Microbiologie et Hygiène hospitalière, VBIC, INSERM U1047, Univ. Montpellier, CHU de Nîmes, Nîmes, 30900, France., Marchandin H; Service de Microbiologie et Hygiène hospitalière, HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CHU de Nîmes, Montpellier, 34093, France. helene.marchandin@umontpellier.fr.
المصدر: Annals of clinical microbiology and antimicrobials [Ann Clin Microbiol Antimicrob] 2024 Aug 22; Vol. 23 (1), pp. 78. Date of Electronic Publication: 2024 Aug 22.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: BioMed Central Country of Publication: England NLM ID: 101152152 Publication Model: Electronic Cited Medium: Internet ISSN: 1476-0711 (Electronic) Linking ISSN: 14760711 NLM ISO Abbreviation: Ann Clin Microbiol Antimicrob Subsets: MEDLINE
أسماء مطبوعة: Original Publication: London : BioMed Central, [2002]-
مواضيع طبية MeSH: Achromobacter*/drug effects , Microbial Sensitivity Tests*/methods , Anti-Bacterial Agents*/pharmacology , Cephalosporins*/pharmacology , Cefiderocol*, Humans ; Gram-Negative Bacterial Infections/microbiology
مستخلص: Background: Cefiderocol is a siderophore-conjugated cephalosporin increasingly used in the management of Achromobacter infections. Testing for cefiderocol susceptibility is challenging with distinct recommendations depending on the pathogens.
Objectives: We evaluated the performance of commercial tests for testing cefiderocol susceptibility in the Achromobacter genus and reviewed the literature.
Methods: Diffusion (disks, MIC gradient test strips [MTS], Liofilchem) and broth microdilution (BMD) methods (ComASP™, Liofilchem; UMIC ® , Bruker) were compared with the BMD reference method according to the EUCAST guidelines on 143 Achromobacter strains from 14 species with MIC 50/90 of ≤ 0.015/0.5 mg/L. A literature search was conducted regardless of method or species.
Results: None of the methods tested fulfilled an acceptable essential agreement (EA). MTS displayed the lowest EA (30.8%) after UMIC ® (49%) and ComASP™ (76.9%). All methods achieved an acceptable bias, with MICs either underestimated using MTS (-1.3%) and ComASP™ (-14.2%) or overestimated with UMIC ® (+ 9.1%). Inhibition zone diameters ranged from 6 to 38 mm (IZD 50/90 =33/30 mm). UMIC ® and ComASP™ failed to categorize one or the two cefiderocol-resistant strains of this study as resistant unlike the diffusion-based methods. The literature review highlighted distinct performance of the available methods according to pathogens and testing conditions.
Conclusions: The use of MTS is discouraged for Achromobacter spp. Disk diffusion can be used to screen for susceptible strains by setting a threshold diameter of 30 mm. UMIC ® and ComASP™ should not be used as the sole method but have to be systematically associated with disk diffusion to detect the yet rarely described cefiderocol-resistant Achromobacter sp. strains.
(© 2024. The Author(s).)
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فهرسة مساهمة: Keywords: Achromobacter; Cefiderocol; Diffusion; Disk; Microdilution; Susceptibility testing
المشرفين على المادة: 0 (Anti-Bacterial Agents)
0 (Cephalosporins)
SZ34OMG6E8 (Cefiderocol)
تواريخ الأحداث: Date Created: 20240822 Date Completed: 20240823 Latest Revision: 20240825
رمز التحديث: 20240826
مُعرف محوري في PubMed: PMC11342684
DOI: 10.1186/s12941-024-00731-1
PMID: 39175015
قاعدة البيانات: MEDLINE
الوصف
تدمد:1476-0711
DOI:10.1186/s12941-024-00731-1