Enterococcus faecium and Ampicillin Susceptibility Determination: Overestimation of Resistance with Disk Diffusion Method Using 2 Micrograms of Ampicillin?

J Clin Microbiol. 2019 Feb 27;57(3):e01467-18. doi: 10.1128/JCM.01467-18. Print 2019 Mar.

Authors

V Joste¹, E Gydé¹, L Toullec¹, C Courboulès¹, Y Talb¹, E Riverain-Gillet¹, B Pangon¹, M Amara²

Affiliations

¹ Service de biologie, Unité de microbiologie, Centre Hospitalier de Versailles, Le Chesnay, France.
² Service de biologie, Unité de microbiologie, Centre Hospitalier de Versailles, Le Chesnay, France mamara@ch-versailles.fr.

No abstract available

Keywords: Enterococcus faecium; MIC; ampicillin; antibiotic resistance; disk diffusion.

Publication types

Letter

MeSH terms

Ampicillin / pharmacology*
Ampicillin / therapeutic use
Ampicillin Resistance / drug effects*
Anti-Bacterial Agents / pharmacology*
Anti-Bacterial Agents / therapeutic use
Disk Diffusion Antimicrobial Tests* / standards
Dose-Response Relationship, Drug
Enterococcus faecium / drug effects*
Enterococcus faecium / isolation & purification
Gram-Positive Bacterial Infections / drug therapy
Gram-Positive Bacterial Infections / microbiology
Humans
Microbial Sensitivity Tests / methods
Microbial Sensitivity Tests / standards

Substances

Anti-Bacterial Agents
Ampicillin