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J Antimicrob Chemother. 2000 Jun;45(6):881-5.

Detection of extended-spectrum beta-lactamases in members of the family enterobacteriaceae: comparison of the MAST DD test, the double disc and the Etest ESBL.

Author information

1
Division of Microbiology, University of Leeds, Leeds LS2 9JT, UK. michfm@leeds.ac.uk

Abstract

A technically simple method-the MAST double disc (MDD) test-for the detection of extended-spectrum beta-lactamase (ESBL) production by bacteria is described. A wide range of ESBL, non-ESBL and Class 1 beta-lactamase-producing isolates was examined. The MDD test, which uses discs containing ceftazidime and a complementary disc containing ceftazidime and clavulanate and a second pair containing cefotaxime and cefotaxime and clavulanate was compared with the standard double disc diffusion test and an Etest method. Both the Etest and the MDD correctly identified 93% of ESBL producers. The MDD is an inexpensive alternative to current methods for the detection of ESBL production.

PMID:
10837444
DOI:
10.1093/jac/45.6.881
[Indexed for MEDLINE]

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