Escherichia coli: development of carbapenem resistance during therapy.

Hong, Tao; Moland, Ellen Smith; Abdalhamid, Baha; Hanson, Nancy D; Wang, Jie; Sloan, Cindy; Fabian, Diane; Farajallah, Awny et al. · Clin Infect Dis · 2005

case_report · Level V

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Abstract

A 76-year-old woman had recurrent urosepsis due to extended-spectrum beta -lactamase-positive Escherichia coli. Imipenem resistance was detected after long-term imipenem-meropenem therapy. The carbapenem-hydrolyzing enzyme gene was identified as blaKPC-3. To our knowledge, this is the first documented case in which carbapenem-resistant E. coli emerged during therapy with imipenem and meropenem, and the first identification of the carbapenem-hydrolyzing enzyme in E. coli isolates.

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