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Infectious Diseases in Clinical Practice:
doi: 10.1097/IPC.0b013e3181e928bc
Case Reports

Community-Acquired Multi-Drug Resistant Escherichia coli in a Patient Presenting With Pyelonephritis

Dinani, Amreen MD*; Urban, Carl PhD*†‡; Colon-Urban, Rita PhD§; Wehbeh, Wehbeh MD*†

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TEM and SHV extended-spectrum β-lactamases (ESBLs) used to be the dominant ESBLs in the 1990s, but more recently, the emergence of CTX-M enzymes have been increasingly recognized worldwide. Gram-negative rods harboring these β-lactamases represent a significant challenge to both clinicians and microbiologists due to the increasing number of reported cases of bacteria-producing ESBLs from the community. We highlight the case of a CTX-M-15-producing Escherichia coli urinary tract isolate causing infection in a patient from the community with no significant risk factors for acquiring E. coli harboring blaCTX-M.

© 2011 Lippincott Williams & Wilkins, Inc.

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