background and objectives: metabolic syndrome (ms) is associated with increased risk of cardiovascular disorders. ms is increasing among adolescents. this study was conducted to determine the prevalence of ms in 11-18 years old birjandi school children in 2012. materials and methods: this cross–sectional study was conducted on 2394 eleven-eighteen years old school children in birjand (1304 girl...

background: the aim of the study was to discuss on the influential factors of the mode of classification of partition management in the emergency triage. method: retrospectively analyzing the effects of emergency triage of 156 cases who adopted the classification partition management mode during oct 2014 to oct 2015 in xuzhou central hospital (xuzhou, jiangsu province, china). they were divided...

purpose: to determine the frequency of risk factors for retinal vein occlusion (rvo) in patients referred to a private clinic in rasht during 1995-2001. methods: this cross-sectional study was conducted on all patients with rvo who were referred to the clinic. sex, age, hypertension (htn), cardiovascular diseases (cvd), diabetes mellitus (dm), hypercoagulable states, glaucoma, smoking, hyperlip...

conclusions the findings of the meta-epidemiological study support that ebv infection may increase the risk of breast cancer. nested case-control studies are required in the future. results a total of 20 case-control studies were selected, and the total numbers of subjects in the case and control groups were 1947 and 1010, respectively. the findings of this meta-analysis revealed that ebv infec...

purpose this study was conducted to investigate risk factors of obesity and its associated health problems in adolescence in taiwan. methods we enrolled 559 adolescent volunteers with equal numbers of females and males in 2008. participants were divided into two groups: obese (body mass index [bmi] ≧95th percentile) and normal-weight adolescents (bmi: 15th ∼ 85th percentile). each of them compl...

background: more than half of myocardial infracted (mi) patients have no conventional risk factors. regarding the belief that opium addiction has a protective effect on heart diseases, addiction prevalence has unfortunately increased in recent years. this study was conducted to investigate the effect of opium addiction on patients with acute myocardial infarction. methods: this case-control stu...

regardless of severity, earlier intervention to correct hearing loss in children improves speech development and conversational abilities. a cross-sectional study was performed on 230 neonates who were at risk of hearing loss in tehran university of medical sciences hospitals between september 2000 and february 2002. hearing was examined before the 3rd month by auditory brainstem responses (abr...

background : hyperemesis gravidarum (heg) is one of the many problems during pregnancy its etiology has not been clearly understood. inflammatory factors like helicobacter pylori infection has been considered as a risk factor in some studies. the purpose of the present study is to find a relationship between helicobacter pylori (h.p) infection and hyperemesis gravidarum (heg).   methods: a case...

context studies on experimental animals have shown liver is a common target of chemical carcinogens; this might suggest that occupational exposure to chemicals is another risk factor for hcc. however, the relationship between occupation and liver cancer has not been extensively studied, with the exception of the known association between vinyl chloride and angiosarcoma of the liver. evidence ac...

Background and aims: Infertility is a major problem during reproductive age. Physical and psychological effects of infertility in women are problematic. The aim of this study was to determine the potential predictive factors of infertility, among women referring both public and private health centers in Ilam province, western Iran, in 2013. Methods: In this cross-sectional study, 1013 women re...