AST of bacteria | 合法醫療器材資訊網

Antimicrobialsusceptibilitytestingisperformedwithphenotypicorgenotypic​ ...

EUCAST antimicrobial susceptibility testing is performed with phenotypic methods, reference broth microdilution or standardised disk diffusion. The basis of all susceptibility testing is the minimum inhibitory concentration (MIC). Clinical MIC breakpoints determine whether the organism is categorised as susceptible at normal dosing (S), susceptible at increased exposure (I) or resistant (R) to the agent in question. Derivative methods are calibrated to the reference broth microdilution method at the responsibility of the manufacturer. However, the clinical microbiological laboratory takes full responsibility for the final susceptibility report.

Users of EUCAST breakpoints should use the EUCAST disk diffusion method[1] or other susceptibility testing systems calibrated to EUCAST breakpoints and terminology in accordance with EUCAST breakpoint tables.

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