background: there are many risk factors besides age and immune suppression for herpes zoster. family history as a risk factor is suggested in some recent studies. the aim of this study was to evaluate the association between herpes zoster and family history. methods: this case-control study was undertaken in farshchian hospital, hamadan, iran. “case group” included patients with confirmed diagn...

background and aims: nowadays, orofacial clefts are known as the most common orofacial birth defects. several factors are responsible for problem, such as environmental factors, genetic background, nutritional deficiencies such as vitamins, zinc, iron, maternal diseases, exposure to teratogenicagents, smoking, drugs, organic solvents. the aim of this study was to evaluate the of risk factors fr...

background: although the issue of hyperuricemia as a risk factor for cardiovascular diseases (cvd) has been disputed, sev­eral studies have shown an association between hyperuricemia and   several cvd risk factors. the aim of this study was to assess distribution of uric acid level in yazd city, center of iran, and its association with cvd risk factors. methods: from autumn 2004 to summer 2005,...

infertility is believed to be part of the various medical problems that has increased up to 50% since 1955 in the world and 10-15% of couples are already suffering from it. development of industrialization and urbanization in human societies have dramatically changed the human life style and led gradually to the increase of various environmental risk factors. humans are exposed to polluted air,...

conclusions although the frequency of hbsag seropositivity in the present study was close to that observed in the overall iranian population, the seroprevalence of anti-hbc was higher, possibly due to the exposure of the elderly to more risk factors. the risk factors were similar. these included a history of blood transfusions, cupping, hospital admission, endoscopy, or familial hbv/hcv infecti...

background the sitting position, rather than squatting, during defecation has been hypothesized to be a risk factor for colorectal cancer (crc). methods we conducted a case-control study to test this hypothesis. a total of 100 crc cases from two hospitals in iran and 100 control subjects, selected from the coronary care unit (ccu) of those same hospitals were selected for this study. we adminis...

introduction : pemphigus vulgaris (pv) is a relatively rare autoimmune disease characterized by blistering of the skin and mucosa. the main objective of this study was to investigate the possible association between the 5-httlpr polymorphism and pv in iranian patients. for this, 112 pv and 100 controls were enrolled in this study. materials and methods : in this case-control study, genomic dna ...

background hearing loss is the most common congenital disorder the incidence of which is further increased in the presence of risk factors for hearing loss among newborns admitted to the neonatal intensive care unit (nicu). the aim of this study was early diagnosis and intervention for hearing loss in newborns discharged from nicu. materials and methods this prospective cohort study was conduct...