Infectious Diseases in Obstetrics and Gynecology

Infectious Diseases in Obstetrics and Gynecology / 2002 / Article

Open Access

Volume 10 |Article ID 843693 | https://doi.org/10.1155/S106474490200011X

Whitney E. Jamie, Rodney K. Edwards, Patrick Duff, "Antimicrobial Susceptibility of Gram-Negative Uropathogens Isolated From Obstetric Patients", Infectious Diseases in Obstetrics and Gynecology, vol. 10, Article ID 843693, 4 pages, 2002. https://doi.org/10.1155/S106474490200011X

Antimicrobial Susceptibility of Gram-Negative Uropathogens Isolated From Obstetric Patients

Received03 Dec 2001
Accepted19 Mar 2002

Abstract

Objective: To evaluate the antimicrobial susceptibility of Gram-negative uropathogens isolated from pregnant women.Methods: We performed a snapshot cohort study of women receiving care in the University of Florida prenatal clinics duringMarch 2000. Subjects with asymptomatic bacteriuria or cystitis were identified and the antimicrobial susceptibility of each pathogen was recorded. Data were analyzed using chi-square, Fisher's exact test and ninety-five percent confidence intervals, as appropriate.Results: Ninety-five positive cultures were identified. Isolates were more often susceptible to trimethoprimsulfamethoxazole (TMP-SMX) (87%) and nitrofurantoin (89%) than to ampicillin (72%) (p < 0.03). Escherichia coli accounted for 71 (75%) cases and was more often susceptible to nitrofurantoin (100%) than to TMP-SMX (87%) (p < 0.01). Proteus isolates were all susceptible to TMP-SMX and resistant to nitrofurantoin (p < 0.01).Conclusions: Both TMP-SMX and nitrofurantoin are superior to ampicillin for empiric treatment of lower urinary tract infection in pregnant women. Nitrofurantoin is superior to TMP-SMX for treatment of infections caused by E. coli. For suspected or confirmed cases caused by Proteus organisms, TMP-SMX is the preferred agent.

Copyright © 2002 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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