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Updated: Jun 28, 2026

One-day Workflow Scheme for Bacterial Pathogen Detection and Antimicrobial Resistance Testing from Blood Cultures
Published on: July 9, 2012
False aminoglycoside resistance in Enterobacterales and non-fermenters by an automated testing system: a descriptive
P M C Klein Klouwenberg1, W Altorf-van der Kuil2, A J van Griethuysen3
1Department of pharmacy, Fundashon Mariadal , Kralendijk, Bonaire, the Netherlands.
Importance:
Antimicrobial sensitivity data are important to guide antimicrobial therapy. In microbiological laboratories, routine sensitivity measurements are typically performed with automated testing systems such as VITEK2 and Phoenix. Using data from the Dutch national surveillance system for antimicrobial resistance over a 6-year period, we found that the measured minimum inhibitory concentrations for aminoglycosides in Enterobacterales and non-fermenters were too high for the Phoenix system. In addition, we observed a yearly increase in resistance for several species measured by Phoenix. These findings might have consequences for clinical treatment of patients with sepsis.
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