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  • Title: Is Escherichia coli O157:H7 a common pathogen in children with bloody diarrhea in Shiraz, Iran?
    Author: Alborzi A, Aelami MH, Astaneh B, Pourabbas B, Farshad S, Kalani M, Nasiri J, Rashidi M.
    Journal: Turk J Pediatr; 2008; 50(4):349-53. PubMed ID: 19014048.
    Abstract:
    Escherichia coli (E. coli) O157:H7 is a common cause of bloody diarrhea in developed countries. The aim of this study was to determine whether E. coli O157:H7 is a possible pathogen of bloody diarrhea in southern Iran. Out of 719 children with diarrhea, 243 (34%) patients with positive occult blood took part in our study. The polyclonal antibody test and polymerase chain reaction (PCR) were used to identify E. coli O157:H7. Stool cultures showed enteropathogens in 107 patients (44%). Shigella (34.3%) was followed by E. coli (8.6%), campylobacter (2%) and salmonella (0.4%). None of the E. coli species was of O157:H7 serotype. Antibiotic sensitivity of shigella species was 100% to ceftriaxone, ciprofloxacin and ceftazidime, 94% to nalidixic acid and 13% to co-trimoxazole. The results of the study showed that E. coli O157:H7 is not a cause of bloody diarrhea in our area.
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