Antibiotic resistance in bacterial urinary tract infections, 1991 to 1997

This study assessed changing patterns of antibiotic resistance in Escherichia coli urinary tract infections at a university student health center during three periods: the first 6 months each of 1991, 1994, and 1997. Urine culture and sensitivity results were taken from available medical records of...

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Bibliographic Details
Published in:The Western journal of medicine 1998-11, Vol.169 (5), p.265-268
Main Authors: Dyer, I E, Sankary, T M, Dawson, J A
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age Factors
Ampicillin Resistance
Anti-Bacterial Agents - therapeutic use
Antibiotics
Carbenicillin - therapeutic use
Cephalosporin Resistance
Cephalothin - therapeutic use
Cystitis
Drug resistance in microorganisms
Drug Resistance, Microbial
Drug therapy
Escherichia coli
Escherichia coli - drug effects
Escherichia coli Infections - drug therapy
Ethnic Groups
Female
Health aspects
Humans
Los Angeles
Penicillin Resistance
Reproducibility of Results
Retrospective Studies
Student Health Services
Tetracycline Resistance
Trimethoprim, Sulfamethoxazole Drug Combination - therapeutic use
Urinary Tract Infections - drug therapy
Urine - microbiology
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Summary:This study assessed changing patterns of antibiotic resistance in Escherichia coli urinary tract infections at a university student health center during three periods: the first 6 months each of 1991, 1994, and 1997. Urine culture and sensitivity results were taken from available medical records of female patients having urine cultures during the three periods (1991, n = 739; 1994, n = 938; 1997, n = 863); age and ethnicity were also noted. In E. coli isolates (the majority of positive cultures), resistance to four antibiotics changed significantly: ampicillin (30% to 45% to 39%), carbenicillin (29% to 42% to 39%), tetracycline (29% to 40% to 23%), and trimethoprim/sulfamethoxazole (15% to 32% to 15%). The results raise questions regarding the future clinical reliability of several commonly used antibiotics in the treatment of urinary tract infection. Images
ISSN:0093-0415
1476-2978