Volume 22, Issue 4 (Scientific Journal of Hamadan University of Medical Sciences-Winter 2016)                   Avicenna J Clin Med 2016, 22(4): 338-345 | Back to browse issues page

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Kazemi S, Alikhani M Y, Arabestani M R, Sedighi I, Rastyani S, Farhadi Kohan H. Prevalence of Aeromonas Hydrophila and Yersinia Enterocolitica in Children with Acute Diarrhea Attending Health Centers in Hamadan. Avicenna J Clin Med 2016; 22 (4) :338-345
URL: http://sjh.umsha.ac.ir/article-1-562-en.html
1- , alikhani@umsha.ac.ir
Abstract:   (8138 Views)

Introduction & Objective: Diarrhea is the most common cause of morbidity and mortality in all age groups, especially children, the elderly and immunocompromised patients. Various studies have been reported regarding the relationship between the children acute diarrhea and Aeromonashydrophila and Yersinia enterocolitica. This study aimed to investigate the prevalence of the bacteria and their sensitivity to common antibiotics and the prevalence of virulence genes in the bacteria in Hamadan, Iran.

Materials & Methods: In this study, 120 stool samples collected from children less than 10 years of age with acute diarrhea were examined for Aeromonashydrophila and Yersinia enterocolitica. Identification of the bacteria was performed by biochemical reactions and PCR using 16S rRNA genes. Moreover, the prevalence of virulence genes earA and hyl of Aeromonashydrophila and ail and ystB genes of Yersinia enterocolitica were investigated using PCR. Antibiotic susceptibility of isolated bacteria was performed by disk diffusion method.

Results:  Out of 120 stool samples, 2 (1.7 %) Aeromonashydrophila and 3 (2.5%) Yersinia enterocolitica were isolated. All isolates of Aeromonashydrophila were sensitive to the chloramphenicol, co-trimoxazole, gentamicin, meropenem, amikacin and 50% of isolates were sensitive to the ceftriaxone and azithromycin. All Aeromonashydrophila isolates were resistant to erythromycin. All isolates of Yersinia enterocolitica were sensitive to the chloramphenicol, co-trimoxazole and meropenem. The 33.3% of the isolates were sensitive to gentamicin and amikacin and 66.6% of them were susceptible to ceftriaxone. However, all of Yersinia enterocolitica isolates were resistant to erythromycin and azithromycin. The prevalence aerA and hyl genes in Aeromonashydrophila were reported 100% and 50%, respectively. The prevalence of ail and ystB genes in Yersinia enterocolitica was reported as 66.6%.

Conclusions: Identification and analysis of Aeromonashydrophila and Yersinia enterocolitica in diarrhea of children has etiologic importance and presence of the bacteria in samples of diarrhea should be considered.

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Type of Study: Original | Subject: Other Clinical Specialties

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