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Salmonella spp acute enterocolitis - an overview of antibiotic therapy and chemosensitivity patterns among children

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BMC Infectious Diseases201313(Suppl 1):P37

https://doi.org/10.1186/1471-2334-13-S1-P37

Published: 16 December 2013

Keywords

  • Tetracycline
  • Fluoroquinolones
  • Nalidixic Acid
  • Carbapenems
  • Antibiotic Prescription

Background

Acute Salmonella spp infections represent an important public health issue worldwide, particularly among children. Romania is a country with endemic Salmonella infections which reports occasionally summer outbreaks.

Our study aimed to analyze the submitted cases and to appreciate the germ’s susceptibility to antibiotics, starting from the urging issue related to the emerging resistance of Enterobacteriaceae to common drugs.

Methods

We conducted a clinic-based retrospective (2010-2013) surveillance that analyzed the confirmed pediatric cases of Salmonella spp infections treated at the National Institute for Infectious Diseases “Prof. Dr. Matei Balş”, Bucharest, Romania. The clinical and demographic patient features followed were: age, sex, home environment, severity of the disease and the complications. All the bacterial strains were isolated after culturing the stool samples on differential culture media and the identification was performed respecting the standard laboratory methodology. The antibiotic sensitivity spectrum was determined using the API ATB G-5 tests for the following drugs: ampicillin, amoxicillin/clavulanate, ampicillin/sulbactam, trimethoprim/sulfamethoxazole, nalidixic acid, fluoroquinolones, tetracycline and third generation cephalosporins.

Results

During the studied period we identified 135 cases of acute Salmonella spp infection among hospitalized children, which stands for 8.5% of the total cases of acute diarrheal diseases. The most affected age group was the 1-4 years group, with a male predominance. The serotype distribution was: AO – 12.6%, BO – 31.1%, CO – 19.2% and DO – 37.1%. The chemosensitivity analysis revealed: 100% sensitivity to fluoroquinolones, carbapenems and third generation cephalosporins, 92.6% sensitivity to nalidixic acid and trimethoprim/sulfamethoxazole, 72.6% sensitivity to amoxicillin/clavulanate, ampicillin/sulbactam, 62.9% sensitivity to tetracycline and only 53.3% sensitivity to ampicillin.

Conclusions

Salmonella spp induced enterocolitis represents a major morbidity cause among children, especially during summers. The chemosensitivity analysis revealed excellent sensitivity of the strains to fluoroquinolones, carbapenems, third generation cephalosporins and nalidixic acid, good sensitivity of the strains to trimethoprim/sulfamethoxazole, amoxicillin/clavulanate and ampicillin/sulbactam and weak sensitivity to tetracycline and ampicillin. The subgroups analysis showed the increasing number of resistant strains in consecutive years, fact that highlights the importance of correct antibiotic prescription.

Authors’ Affiliations

(1)
National Institute for Infectious Diseases “Prof. Dr. Matei Balş”, Bucharest, Romania
(2)
Carol Davila University of Medicine and Pharmacy, Bucharest, Romania

Copyright

© Jugulete et al; licensee BioMed Central Ltd. 2013

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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