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Volume 12, Number 6—June 2006

Dispatch

VIM-1 Metallo-β-lactamase in Acinetobacter baumannii

Athanassios Tsakris*Comments to Author , Alexandros Ikonomidis†, Spyros Pournaras†, Leonidas S. Tzouvelekis*, Danai Sofianou‡, Nicholas J. Legakis*, and Antonios N. Maniatis†
Author affiliations: *University of Athens, Athens, Greece; †University of Thessalia, Larissa, Greece; ‡Hippokration University Hospital, Thessaloniki, Greece

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Table

Characteristics of blaVIM-1-bearing Acinetobacter baumannii isolates*†

Isolate no. Region of isolation Material PFGE type Etest IMP MIC (μg/mL) Etest MBL (IMP+EDTA) Etest MER MIC (μg/mL) blaOXA-51-like status blaOXA-58 status
1 Thessaloniki Blood Ia 4 <1 2 +
2 Thessalia Bronchial fluid II 32 2 4 + +
3 Thessalia CSF III 4 <1 2
4 Thessalia Blood IV >32 1 32 +
5 Thessaloniki Urine Ib 8 <1 4 + +

*The 5 isolates exhibited resistance to all alternative antimicrobial drugs except colistin.
†PFGE, pulsed-field gel electrophoresis; IMP, imipenem; MBL, metallo-β-lactamase; MER, meropenem; CSF, cerebrospinal fluid.

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