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Journal of Investigative Medicine:
doi: 10.231/JIM.0b013e318238748e
Brief Reports

High Rates of Intestinal Colonization With Extended-Spectrum Lactamase-Producing Enterobacteriaceae Among Healthy Individuals

Abdul Rahman, Eiman Mohammed MD; El-Sherif, Rasha Hamed MD

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Abstract

Background: Infections caused by extended-spectrum β-lactamase (ESBL)–producing bacteria become an emerging problem in the community setting in many parts of the world.

Objective: The objective of the study was to determine fecal carriage of ESBL-producing organisms in a community setting.

Methods: A total of 632 fecal specimens from healthy individuals were screened for ESBL using the agar screening test with MacConkey agar plates supplemented with 1 μg/mL of cefotaxime for selection of ESBL-producing strains and confirmed by the Clinical Laboratory Standards Institute combined disk method.

Results: Four hundred isolates (63.3%) were ESBL producers. Two hundred eighty-five isolates (71.25%) of them were Escherichia coli and 96 (24.0%) Klebsiella pneumoniae.

Conclusion: We concluded that the community could be a reservoir of these ESBL-producing bacteria and enzymes.

© 2011 American Federation for Medical Research

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