background :to estimate the prevalence and characteristics of rheumatoid arthritis (ra) in an urban area of tehran.   methods : a total of 50 clusters were randomly selected in tehran and 10291 subjects completed the copcord core questionnaire during 2004 and 2005. patients with rheumatic complaints were examined and diagnosed by subspecialty fellows in rheumatology. laboratory and radiology te...

objective club-foot is one of the most prevalent congenital anomalies of the lowerextremities. since there is no epidemiologic study on the prevalence of thisdisease in iran, we decided to assess it in a sample population in tehran. materials and methods we assessed all neonates who were referred to the emergency department ofmofid children hospital between october 2007 and november 2008, due t...

background we investigated frequency of trichomoniasis among non-pregnant women in health centers of tabriz, iran. patients and methods 1000 non-pregnant women aged 15-49 in health centers of tabriz, iran were examined by wet smears and diamond culture methods for trichomonas vaginalis, during the period of march to september 2005. among 1000 specimens 92 cases were revealed to be positive for ...

conclusions similar to previous studies, most cases diagnosed in the second trimester of gestation, which necessitates more investigation in this field, since timely diagnosis and treatment have a significant role in preventing known complications of the disease. results the mean age was 23 ± 4.88 years. of 60 patients, 40 (66%) were nulliparous and 19 (31.7%) multiparous. the mean gestational ...

background: the aim of this study was to detect the seroprevalence of human fascioliasis in isfahan county, central iran in 2013. methods: overall, 471 sera samples were collected from people recalled randomly to 20 health centers in the city of isfahan and 10 related villages in 2014. sera were examined using elisa test. a questionnaire was filled out for each participant. results: altogether ...

georgia is a country with a human development index (hdi) score of 0.733. significant deterioration in socio-economic conditions in the 1990s caused serious health problems in the population including oral health. since then, there has not been an epidemiological survey of dental diseases among the adult population in georgia.the pathfinder survey- cluster- stratified method derived by who was ...

objective: assessment of subgingival human cytomegalovirus (hcmv) and epstein barr virus (ebv-1) in subjects with aggressive periodontitis. materials and methods: samples were obtained from plaques formed in subgingival regions of 26 aggressive periodontitis patients. all specimens were submitted to polymerase chain reaction in order to detect hcmv and ebv-1. results: hcmv and ebv-1 were observ...

background: echinococcosis/hydatidosis is considered endemic in mauritania. the aim of this study is to present an epidemiological study on the echinococcosis in man and animals in the nouakchott region. methods: the internal organs from livestock carcasses were inspected for research of hydatid cysts. the hydatid fluid was examined for research of the protoscoleces. dogs were necropsied for th...

conclusions: although our study showed the prevalence of internet addiction was not more than other populations and universities, since the prevalence of internet addiction is rapidly increasing worldwide, this population might also be at risk of addiction. thus, focusing on related factors can help us in designing more effective interventions and treatments for this susceptible group. results:...

background epidemiology, the study of patterns of disease distribution in time and space, can help to improve mental health services for children and adolescents by increasing understanding of causes, development, and course of psychiatric disorders. objectives to describe the prevalence of dsm-iv tr psychiatric disorders and comorbidities in students of paveh, one of the western cities in iran...