Automatic Digital Analysis of Chromogenic Media for Vancomycin Resistant Enterococci Screens Using the WASPLab Interpretation

To aide in early detection of VRE, many clinical laboratories offer VRE screening for at risk patients, but even with the use of chromogenic agar manual reading is costly and labor intensive. Digital imaging can differentiate between colors of pixels and thus software that can identify and remove negative chromogenic plates prior to technologist reading, which could reduce laboratory cost. In this study we evaluated the performance of the Chromogenic Detection Module (CDM) (Copan, Brescia, IT) to detect pigmented colonies from a digital image and compared the results to manual reading using VRE chromogenic agar.

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