Journal Article

Antimicrobial Resistance Among Uropathogens that Cause Community-Acquired Urinary Tract Infections in Women: A Nationwide Analysis

Kalpana Gupta, Daniel F. Sahm, David Mayfield and Walter E. Stamm

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 33, issue 1, pages 89-94
Published in print July 2001 | ISSN: 1058-4838
Published online July 2001 | e-ISSN: 1537-6591 | DOI: https://dx.doi.org/10.1086/320880
Antimicrobial Resistance Among Uropathogens that Cause Community-Acquired Urinary Tract Infections in Women: A Nationwide Analysis

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Current recommendations for empirical therapy for community-acquired urinary tract infection (UTI) in women hinge on knowledge of antimicrobial susceptibility patterns in the geographic region of the practitioner. We conducted a survey of antimicrobial susceptibilities of 103,223 isolates recovered from urine samples that were obtained in 1998 from female outpatients nationally and within 9 geographic regions in the United States. Resistance of Escherichia coli isolates to trimethoprim-sulfamethoxazole varied significantly according to geographic region, ranging from a high of 22% in the western United States to a low of 10% in the Northeast (P < .001). There were no clinically significant age-related differences in the susceptibility of E. coli to any of the study drugs, but the susceptibility to fluoroquinolones of non-E. coli isolates that were recovered from women who were aged >50 years was significantly lower than that of isolates recovered from younger women (P < .001). The in vitro susceptibility of uropathogens in female outpatients varies according to age and geographic region.

Journal Article.  3110 words.  Illustrated.

Subjects: Infectious Diseases ; Immunology ; Public Health and Epidemiology ; Microbiology

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