BACKGROUND AND OBJECTIVES Infectious diarrhoeal diseases are great problem throughout the world and are responsible for considerable morbidity and mortality. Shiga toxin-producing Escherichia coli (STEC) is a major cause of gastroenteritis that may be complicated by hemorrhagic colitis (HC) or the hemolytic uremic syndrome (HUS), which is the main cause of acute renal failure in children. Food-...

background and objectives: infectious diarrhoeal diseases are great problem throughout the world and are responsible for considerable morbidity and mortality. shiga toxin-producing escherichia coli (stec) is a major cause of gastroenteritis that may be complicated by hemorrhagic colitis (hc) or the hemolytic uremic syndrome (hus), which is the main cause of acute renal failure in children. food...

background although effective strategies have been presented for preventing the spread of antibiotic resistance in iran, recent reports have revealed increasing antibiotic resistance among children and adults. objectives in the present study, we tried to provide a clear view of the antibiotic resistance status of aerobic organism as the most prevalent organism in patients with rhinosinusitis in...

aim: the increasing prevalence of antibiotic-resistant bacteria is a major health-care problem worldwide. who recommends did (daily defined dose/ 100 inhabitant /day) as a standard tool for measurement of antibiotic consumption. since there was not any information regarding the antibiotics usage pattern in the north of iran, the aim of this study was determine this in our centre.method: this cr...

background: human exposure to antibiotic resistant bacteria (arb) is a public health concern which could occur in a number of ways. wastewaters seem to play an important role in the dissemination of bacteria and antibiotic resistant genes (args) in our environment. the aim of this study was to evaluate the occurrence of three groups of arb and their resistance genes in hospital and municipal wa...

introduction: the purpose of this in vitro study was to compare the ability of triple antibiotic paste (tap) to calcium hydroxide (ch) in disinfecting dentinal tubules. material and methods: sixty root blocks were obtained from extracted single-rooted human teeth. the root canals were enlarged with gates-glidden drills up to size 3 and were contaminated with enterococcus. faecalis ( e. faecalis...

introduction: this study examines the antibiotic prescription in dentists participated in 9 th congress of iranian association of endodontists in esfahan/2006. materials and methods: a questionnaire for this cross sectional study was designed for evaluating the patterns of antibiotic prescription. it included some demographic information, clinical signs, and conditions in need for antibiotic an...