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prevalence and pattern of antimicrobial resistance of shigella species among patients with acute diarrhoea in karaj, tehran, iran.the study was carried out to determine the prevalence and pattern of antimicrobial resistance of shigella species among patients with acute diarrhoea in karaj, tehran, iran. the study included all acute diarrhoea patients who visited the hospitals and treatment centres of karaj during november 2001-october 2002. of 734 stool samples collected from patients with acute diarrhoea and analyzed for shigella spp., 123 (16.8%) yielded shigella spp. (7.5% shigella flexneri, 5.2% s. sonnei, 2.6% s. dysen ...200313677436
acute diarrhea due to enteropathogenic bacteria in patients at hospitals in tehran.during a study examining causes of diarrhea from may 2004 to may 2005, 808 stool specimens were collected from patients with acute diarrhea in tehran. fecal samples were cultured and identified according to the standard biochemical methods. molecular identification of enteropathogens was carried out by amplification of their virulence genes by polymerase chain reaction. a total of 369 (45.6%) bacterial pathogens were recovered from 808 patients as follows: shigella spp., 155 (45.6%); diarrheagen ...200818653967
clonal dissemination of a single shigella sonnei strain among iranian children during fall 2012 in tehran, i.r. iran.shigella species are a common cause of bacterial diarrhea worldwide and the disease is characterized by seasonality. shigella has been encountered by widespread resistance to commonly used antibiotics which is a serious concern. the aim of this study was to analyze the epidemiological relatedness of shigella strains isolated from children during one year period by pfge method and to investigate antimicrobial resistance determinants and cassettes among shigella species. the occurrence of shigella ...201526117443
antibiotic resistance among shigella species isolated in tehran, iran.a study of adult patients with gastroenteritis was carried out over an 18-month period from march 1984 until august 1985, with the aim of detecting shigella species and studying their antibiotic resistance pattern. two thousand four hundred and eighteen stool specimens were examined and 230 isolations of shigella were made, a detection rate of 9.5%. of the 230 isolates, 61.2% were found to be sh. flexneri, and resistance to ampicillin, chloramphenicol, co-trimoxazole and tetracycline was extreme ...19883077023
virulotyping of shigella spp. isolated from pediatric patients in tehran, iran.shigellosis is a considerable infectious disease with high morbidity and mortality among children worldwide. in this survey the prevalence of four important virulence genes including ial, ipah, set1a, and set1b were investigated among shigella strains and the related gene profiles identified in the present investigation, stool specimens were collected from children who were referred to two hospitals in tehran, iran. the samples were collected during 3 years (2008-2010) from children who were sus ...201728218003
diagnosis and prevalence of enteropathogenic bacteria in children less than 5 years of age with acute diarrhea in tehran children's hospitals.acute diarrhea disease is the second cause of death among all infectious diseases in children younger than 5 years of age worldwide. the aim of this study was to employ a combination of biochemical, microbiological and molecular diagnostic techniques to investigate the stools of iranian children with acute diarrhea for bacterial enteropathogens.200919117609
increased isolation and characterization of shigella sonnei obtained from hospitalized children in tehran, iran.shigella flexneri has been the most frequent cause of shigellosis in children in iran. to evaluate the changes in frequency of serogroups, 302 shigella species were isolated in 2003 from hospitalized children, aged less than 12 years, with acute diarrhoea in tehran, iran. the number of collected s. sonnei, s. flexneri, s. boydii, and s. dysenteriae isolates was 178 (58.9%), 110 (37.4%), 10 (3.3%), and 4 (1.3%) respectively. most (94%) s. sonnei isolates were resistant to co-trimoxazole. they wer ...200819069621
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