Frequency and antimicrobial resistance pattern of pathogens implicated in urinary tract infection at a hospital in Tehran

Najmeh Lashgari; Ali  Noroozi-Aghideh; Katayoon Goharimoghaddam; Leila  Goudarzi; Samira  Bahmani

Annals of Military and Health Sciences Research

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Frequency and antimicrobial resistance pattern of pathogens implicated in urinary tract infection at a hospital in Tehran

Author(s):

Najmeh Lashgari^1,*,

Ali Noroozi-Aghideh²,

Katayoon Goharimoghaddam³,

Leila Goudarzi⁴,

Samira Bahmani⁵

1Department of Microbiology, School of Medicine, AJA University of Medical Sciences, Tehran, Iran., Andorra

2Department of Hematology, School of Paramedicine, AJA University of Medical Sciences, Tehran, Iran, Andorra

3Department of Pathology, School of Medicine, AJA University of Medical Sciences, Tehran, Iran, Andorra

4Department of Microbiology,, Alzahra University, Tehran, Iran, Andorra

5Department of Nursing, Bandar Abbas Branch, Islamic Azad University , Bandar Abbas, Iran, Andorra

Annals of Military and Health Sciences Research:Vol. 13, issue 2; e62597

Published online:Mar 18, 2015

Article type:Research Article

Received:Jan 14, 2015

Accepted:Feb 05, 2015

How to Cite:Najmeh LashgariAli Noroozi-AghidehKatayoon GoharimoghaddamLeila GoudarziSamira BahmaniFrequency and antimicrobial resistance pattern of pathogens implicated in urinary tract infection at a hospital in Tehran.Ann Mil Health Sci Res.13(2):e62597.

Abstract

Materials and Methods: This study was conducted on the patients with urinary tract infectionat a hospital in Tehran from March 2010 to March 2013.Mid-stream urine samples were collected in sterile disposable containers. Then, specimens weretransferred to 5%blood agar and Eosine- Methylene Blue (EMB).Identification of uropathogens was done on the basis of gram reaction, morphologyand biochemical features. Antimicrobial susceptibility test was performed according to Clinical and Laboratory Standards Institute (CLSI) guidelines.

Results: A total of 8200 urine samples (545 inpatients and 850 outpatients) were collected and 1395 uropathogens wererecovered from them. Most of the pathogens were more prevalent in women. Gram-negative bacteria (81.8%) were the main cause of urinary tract infection. Escherichia coli (60.5%) was the predominant pathogen associated with urinary tract infection, while pseudomonas aeruginosa(0.3%)had the least occurrence.Escherichia coli isolatesshowed high resistance to Ceftriaxone, Amoxicillin and Ciprofloxacin and high sensitivity to Nitrofurantoin, Amikacin and Gentamicin.

Conclusion: Antimicrobial resistance is becoming a big challenge for the public health with significant morbidity and health costs. Therefore it seems that a periodic monitoring of etiologic agents of urinary tract infection and their susceptibility pattern in the community is necessary.

Keywords

urinary tract infection

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