Volume 17, Issue 4 (11-2018)                   TB 2018, 17(4): 56-69 | Back to browse issues page

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Soltan Dallal M M, Sedighi Khavidak S, Rastegar S, Rajabi Z. The Frequency of Shigella Species in Acute Diarrhea caused by Consumption of Contaminated Food in Yazd province and Determination of its Antibiotic Resistance Factors. TB 2018; 17 (4) :56-69
URL: http://tbj.ssu.ac.ir/article-1-2563-en.html
Tehran University of Medical Sciences , msoltandallal@gmail.com
Abstract:   (2629 Views)
Introduction:Gastroenteritis Shigellosis is caused by Shigella serovars. The purpose this study was to determine the frequency of Shigella species in acute diarrhea caused by consumption of contaminated food in Yazd province. We also invetigated the determining factors of Shigella for antibiotic resistance.
Methods: This descriptive study was conducted on 51 outbreaks of  food-borne diarrhea from spring 2015 to winter 2016. A totla of  190 samples of diarrhea stool swabs were studied, which were sent from Yazd province. All samples were studied for the existence of Shigella bacteria, microbial culture, sero-grouping, and antibiogram . Descriptive statistics were used to analyze the data.
Results: The highest incidence of the disease was in the spring with 19 cases (37.2%). Among the cities of the province,  Yazd and Ashkezar had the highest incidence rates with 30 (58.8%) and 10 outbreaks (19.69%), respectively. Of the seven cases of Shigella isolates, the dominant age group was under-15 years and the dominant gender was male. The most clinical symptoms were nausea, non-bloody diarrhea, abdominal cramps, vomiting, headache, and bloody-diarrhea. All isolates of Shigella showed 100percent  sensitivty to antibiotics ciprofloxacin and ceftriaxone. However, the isolates were were resistant to Co- trimoxazole  (85.7%). To confirm Shigella, we used the API-20E kit.
Conclusion:Awareness about the type of bacteria that cause diarrhea is important in foodborne diseases, while knowing about its drug resistance pattern is important in reducing the outbreaks' prevalence and treatment costs. Therefore, necessary measures shoud be adopted to control and prevent from the disease.
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Type of Study: Research | Subject: General
Received: 2017/08/5 | Accepted: 2017/11/6 | Published: 2018/12/8

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