marek's disease (md) is a common lymphoproliferative disease of chickens, usually characterized by mononuclear cellular infiltration in different organs. the disease is caused by a herpes virus and is transmissible. md has been a common, important problem for poultry industry worldwide, as well as, in our country, iran. the aim of present study was to have an estimation of the incidence of m...

conclusions overall, cancer incidence rates had increased in both sexes. many factors were responsible, such as changes in lifestyle, environmental factors, increased life expectancy, improvements in the registration systems, and declining mortality rates due to early detection and treatment. the results of this study provided useful information for the prediction of changes in the incidence an...

background and objective: to assess the incidence and risk factors of upper gastrointestinal bleeding in children admitted to pediatric intensive care unit for more than 6 hrs. methods: we prospectively collected medical records of children between 1 month and 18 years old admit-ted to our 10 bed picu of a tertiary care university hospital between december 1, 2014 and may 30, 2015. de-mographic...

developmental dysplasia of the hip (ddh) is one of the most widely discussed abnormalities in neonates. the advantages of sonographic examination are well known, but its main disadvantage is that it might lead to over diagnosis, which might cause over treatment. variations in the incidence of developmental dysplasia of the hip are well known. during six months study since september 2006 all 130...

statistics have shown that the incidence of miscarriage among nurse anesthetists and anesthesiologists who were pregnant before being em­ployed was 10% while those who were pregnant during their employment were 20%. this was attributed to the teratogenic effect of anesthetics agents used in the operating room on the fetus. today with the use of special askrog valve, 90% of the anesthetic gases ...

conclusions the mmt program is an effective intervention to prevent hcv infection transmission, although it is essential to compare its effectiveness with other interventions before implementing it in nationwide. results of the 259 participants, 98.4% (255) were men, the mean age ± sd was 33.1 ± 7.58 years and hcv prevalence was 50%. the studied idus reported lower rate of risky injecting and s...

background the prevalence of newly-diagnosed cases of chronic hepatitis is decisive for the overall incidence rate of hepatitis b observed in poland. objectives we aimed to determine the chronic hepatitis b incidence trends in poland, taking into consideration the ages, genders, and environments of the patients. methods the study is based on aggregated data from polish descriptive epidemiologic...

background: tehran is the capital of iran with an increasing multiple sclerosis (ms) incidence. a retrospective population-based study was conducted to evaluate the status of ms prevalence and ms incidence trends in tehran province, iran. methods: a population-based study was conducted from 1991 to 2014 in tehran province, the capital city of iran based on iranian ms society (imss) registry sys...

conclusions considering the results, accurate and on time diagnosis of ebv primary infection in both children and adolescents will help prevent unnecessary hospitalization, medication and incorrect medical decisions. in addition, this will decrease further treatment costs and related medical procedures. background many children become infected with epstein-barr virus (ebv) during their childhoo...

patients and methods this study was carried out in 482 hemodialysis patients who had been referred to eight dialysis centers in the mazandaran province in iran from 2012 - 2014. hbs ag, hcv ab, hbs ab and hiv ab were assessed every three months for two years. the patients’ demographic characteristics, including age, gender, area of residence, and duration of dialysis, were noted. the prevalence...