Antimicrobial Susceptibility Testing and Therapy for Listeria, Corynebacterium, and Similar Organisms
المؤلف:
Patricia M. Tille, PhD, MLS(ASCP)
المصدر:
Bailey & Scotts Diagnostic Microbiology
الجزء والصفحة:
13th Edition , p286-287
2025-06-24
686
Definitive guidelines have been established for antimicrobial therapy for L. monocytogenes against certain antimicrobial agents. Because there is no resistance to the therapeutic agents of choice, antimicrobial susceptibility testing is not routinely necessary (Table 1) .
Table1. Antimicrobial Therapy and Susceptibility Testing
As shown in Table 1, Clinical and Laboratory Standards Institute (CLSI) document M45 provides some guidelines for testing of Corynebacterium spp. Chapter 12 should be reviewed for strategies that can be used to provide susceptibility information and data when war ranted. It is important to note that some strains of Corynebacterium spp. may require 48 hours of incubation for growth. If growth is insufficient or if the isolate appears susceptible to β-lactams at 24 hours, the medium should be incubated for a total of 48 hours before the result is reported.
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