This paper purpose to identify common bacterial etiologic agents causing urinary tract infection among outpatients with gender and age distribution visiting Azadi teaching hospital in Duhok city, Iraq. Of the 223 urine specimens cultured, 126 (56.5%) had a positive urine culture, of them 111(88%) female and 15(12%) male. Infections rate were higher among those aged 20-30 years in both gender. Escherichia coli was found to be the most frequent causative agent of UTIs (51.6%) followed by Enterococcus faecalis (27.8.3%), Klebsiella pneumonia (9.5%), Enterobacter aeruginosa (4.8%), Staphylococcus aureus (3.9%) and Pseudomonas aeruginosa (2.4%) of the cases. Escherichia coli showed variable susceptibility rate to different antibiotics as 90.5%, 84.7%, 71%, 46.2%, 43.1%, 43.1%, 41.6%, 35.4%, 33.9% and 21.6% of the isolates were found to be susceptibility to amikacin, nitrofuratoin, rifampicin, nalidixic acid, trimethoprim, gentamicin, ciprofloxacin, cephalothin, cefotaxime and amoxicillin, respectively. A total of 5 different resistotype patterns were obtained with Escherichia coli isolates; common resistotype was 1. This study shows increased rate of urinary tract infections in female than male population in age groups of 20+ and Escherichia coli were the most frequent causative agent and showed multi-drug resistance with different resistotyping patterns.
Key words: Urinary tract infections, antibiotics, resistotyping patterns
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