TITLE

New Delhi metallo-β-lactamase-1: local acquisition in Ontario, Canada, and challenges in detection

AUTHOR(S)
Kus, Julianne V.; Tadros, Manal; Simor, Andrew; Low, Donald E.; McGeer, Allison J.; Willey, Barbara M.; Larocque, Cindy; Pike, Karen; Edwards, Iris-Ann; Dedier, Helen; Melano, Roberto; Boyd, David A.; Mulvey, Michael R.; Louie, Lisa; Okeahialam, Christopher; Bayley, Mark; Whitehead, Cynthia; Richardson, Denyse; Carr, Lesley; Jinnah, Fatema
PUB. DATE
August 2011
SOURCE
CMAJ: Canadian Medical Association Journal;8/9/2011, Vol. 183 Issue 11, p1257
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
New Delhi metallo-β-lactamase-1 (NDM-1) is a recently identified metallo-β-lactamase that confers resistance to carbapenems and all other β-lactam antibiotics, with the exception of aztreonam. NDM-1 is also associated with resistance to many other classes of antibiotics. The enzyme was first identified in organisms isolated from a patient in Sweden who had previously received medical treatment in India, but it is now recognized as endemic throughout India and Pakistan and has spread worldwide. The gene encoding NDM-1 has been found predominantly in Escherichia coli and Klebsiella pneumoniae. We describe the isolation NDM-1-producing organisms from two patients in Toronto, Ontario. To the best of our knowledge, this is the first report of an organism producing NDM-1 that was locally acquired in Canada. We also discuss the evidence that NDM-1 can affect bacterial species other than E. coli and K. pneumoniae, the limited options for treatment and the difficulty laboratories face in detecting organisms that produce NDM-1.
ACCESSION #
64888469

 

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