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Updated: Feb 28, 2026

Author Spotlight: Accelerating Diagnostic Accuracy with Direct Identification of Gram-Negatives from Blood Culture Bottles
Published on: May 24, 2024
[Evaluation of antimicrobial susceptibility testing directly from positive blood cultures using the Vitek 2 system:
Lorena Porte1, Francesca Gattini1, Carmen Varela1
1Laboratorio Clínico, Clínica Alemana de Santiago, Santiago, Chile, lporte@alemana.cl.
Abstract:
Antimicrobial susceptibility testing using Vitek® 2 (bioMérieux) cards inoculated directly from positive blood cultures was compared with the standard method for gramnegative rods. Two different protocols for the inoculum preparation were evaluated. Protocol 2 was faster and easier to perform. Rapid susceptibility testing was accurate and reduced time to results in 24 h.
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