background: the risk for transmission of blood-borne viruses (bbvs) such as human immunodeficiency virus (hiv), hepatitis b virus (hbv) and hepatitis c virus (hcv) due to occupational exposure is a major concern in the health care setting. m aterials and methods: this study among 337 health care workers (hcws) accidentally exposed to bbvs was carried out from january 2009 to march 2015. the dat...

upper gastrointestinal bleeding (ugib) is defi ned as bleeding that results from lesions located above the ligament of treitz and is a common cause for emergency hospital admissions in patients with gastrointestinal disorders. ugib also increases the risk of morbidity and mortality in patients already hospitalized for other reasons. according to epidemiological surveys of acute ugib in iran, pe...

background this study has been designed to investigate the clinical association between gastro esophageal reflux disease (gerd) and chronic otitis media (com) in adults and also the role of gerd treatment on the outcome of com surgery. methods in a randomized clinical trial, 58 patients with com who were candidates for surgery were evaluated for gerd and divided in two groups; gerd posi­tive (c...

background and aim: preeclampsia is a considerable problem of pregnancy. endothelial dysfunction and placental hypoxia are the current hypothesis of preeclampsia. chronic inflammation, including periodontitis may provoke systemic maternal and placental pro-inflammatory endothelial dysfunction, which represent a significant risk factor for diseases of vascular origin. so this study was carried o...

to determine the factors affecting the outcome of patients with traumatic acute subdural hematoma, we reviewed the records of7 4 consecutive comatose patients with a glascow coma scale score (gcs) of less than 8 who had been admitted to imam hosein medical center from 1990 to 1996 and had undergone a uniform treatment protocol. the overall mortality rate was 73% and 23% had functional recovery,...

background: the aim of this study was to determine the incidence of azf (azoospermia factor) microdeletions of the y chromosome in infertile turkish male patients and intracytoplasmic sperm injection (icsi) outcome of these patients. objective: this study was undertaken in order to evaluate the outcome of intracytoplasmic sperm injection (icsi) in infertil man with azf microdeletions materials ...

background: prolonged gnrh-a administration in ivf cycles may have some advantages related to the treatment outcomes. objective: in this study, we aimed to analyse the effect of prolonged gonadotropin releasing hormone agonist (gnrh-a) administration on controlled ovarian hyperstimulation outcomes of in vitro fertilization (ivf) patients. materials and methods: in this retrospective study, 55 p...

Background: The cause of fertilization failure in IVF is most often due to the absence of sperm penetration but the reason why fertilization does not occur when intracytoplasmic sperm injection (ICSI) is applied is not clear. However some intrinsic oocyte problems may also be responsible for fertilization failure. It has been reported that 13% of unfertilized oocytes after IVF show morphologica...

background meningitis is an inflammation of the membranes, which surround the brain and spinal cord. early treatment of bacterial meningitis can prevent serious complications. in the last two decades, three vaccines have been developed against the three main bacterial species implicated in meningitis of children in western countries and vaccine-preventable invasive bacterial meningitis has decr...