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Antibiotic Susceptibility Patterns of Isolates From Children With Urinary Tract Infection in Isfahan, Iran: Impact on Empirical Treatment Publisher Pubmed



Karimian M1 ; Kermani R2 ; Khaleghi M3 ; Kelishadi R2 ; Ataei B1 ; Mostafavi N2
Authors
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Authors Affiliations
  1. 1. Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Biology, Faculty of Science, Shahid Bahonar University of Sciences, Kerman, Iran

Source: Journal of Global Antimicrobial Resistance Published:2017


Abstract

Objectives The aim of this study was to identify the antibiotic susceptibility of bacteria causing urinary tract infections (UTIs) in children in Isfahan, Iran. Methods Retrospective and prospective analyses were conducted on isolates from children with UTIs in a referral teaching hospital of Isfahan during 2013–2015. Findings were compared between first episode versus recurrent, nosocomial versus community-acquired, previous antibiotic use versus no previous antibiotic use, and febrile versus afebrile cases. Results Among 364 patients, 68.1% had no previous UTI, 19.7% has received antibiotics prior to infection and 96.2% were infected outside the hospital. Escherichia coli was the leading cause of UTI (68.1%), followed by Enterobacter (9.3%), Klebsiella (8.8%) and other bacteria (13.7%). Most isolates were relatively highly susceptible to imipenem (79.2%), ciprofloxacin (78.0%) and nitrofurantoin (70.8%), whereas sensitivity to cefotaxime (53%), cefalexin (39.8%) and trimethoprim/sulfamethoxazole (SXT) (26.1%) was low. Resistance to imipenem, cefotaxime and cefalexin was more prevalent in recurrent cases as well as in patients consuming antibiotics prior to UTI. Resistance of nosocomial cases to nitrofurantoin and cefotaxime was higher. In addition, afebrile patients had isolates that were more resistant to imipenem, ciprofloxacin and cefotaxime. Significant cross-resistance was found between most of the studied antibiotics. Conclusions Urinary pathogens showed low susceptibility to cefalexin, SXT and cefotaxime and high susceptibility to imipenem, ciprofloxacin and nitrofurantoin. Therefore, use of imipenem and ciprofloxacin should be considered in hospitalised children with severe or complicated disease. In addition, nitrofurantoin is a good option in afebrile cases and for UTI chemoprophylaxis in this area. © 2017 International Society for Chemotherapy of Infection and Cancer
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