Detection of carbapenemases-producing Enterobacteriaceae in positive blood culture using Immunochromatographic RESIST-4 O.K.N.V assay [Epidemiology and Surveillance]

We evaluated the performances of the RESIST-4.O.K.N.V assay (Coris®) on 98 isolates to detect OXA-48-like, KPC-, NDM- and VIM-type carbapenemases directly on positive human blood cultures. OXA-48-like and KPC-type isolates were correctly detected but detection of NDM and VIM-type was weak and variable. We show that repeating the test on a 4-hour subculture improves the detection of NDM- and VIM-type to 100%.

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