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Epidemiology of Antimicrobial Resistance among Gram‐Negative Organisms Recovered from Patients in a Multistate Network of Long‐Term Care Facilities

Ebbing Lautenbach , MD, MPH, MSCE, Roseann Marsicano , BS, Pam Tolomeo , MPH, Michael Heard , BS, Steve Serrano , MT and Donald D. Stieritz , PhD
Infection Control and Hospital Epidemiology
Vol. 30, No. 8 (August 2009), pp. 790-793
DOI: 10.1086/599070
Stable URL: http://www.jstor.org/stable/10.1086/599070
Page Count: 4
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Epidemiology of Antimicrobial Resistance among Gram‐Negative Organisms Recovered from Patients in a Multistate Network of Long‐Term Care Facilities
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Abstract

We identified 1,805 gram‐negative organisms in cultures of urine samples obtained over a 10‐month period from residents of 63 long‐term care facilities. The prevalence of fluoroquinolone resistance in Escherichia coli was 51% (446 of 874 isolates), whereas the prevalences of ceftazidime and imipenem resistance in Klebsiella species were 26% and 6% (84 and 19 of 323 isolates), respectively. The prevalence of resistance varied significantly by facility type, size, and geographic location.

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