improvements in science and technology and the use of modern machinery in manufacture have led to increase in the number of workers exposed to hazardous agents including noise. this study evaluated the effects of occupational noise on hearing loss and blood pressure in welders after 4 years.in this cohort study, all of the welders working at one of neyshabur's water heater producing factories w...

background: health benefits of vitamin d has been proved by a large number of studies, however, to the best of our knowledge there has been no study investigating the effect of mega dose of vitamin d on gestational diabetes mellitus (gdm). this study was the first to assess the effect of postpartum injection of mega dose of vitamin d on blood pressure (bp) in gdm. methods: this is a randomized ...

objectives this study aimed to assess the prevalence and outcome of undiagnosed hypertensive patients admitted to the emergency department. materials and methods this cross-sectional study was conducted from march 2009 to march 2010 at imam hossein medical and educational center, teheran, iran. a total of 2070 patients aged 18 years and older were admitted to the emergency department without pr...

background: no comprehensive study has been conducted on risk factors of sexual dysfunction in women with diabetes mellitus. objectives: the aim of this study was to consider all possible influencing variables including hormonal, physical and, psychological status, socioeconomic status, and dietary intake to get more accurate and reliable results. patients and methods: sexual function was asses...

background nowadays percutaneous nephrolithotomy (pcnl) is performed in prone and supine positions. physiologic solutions should be used to irrigate during pcnl. irrigation can cause hemodynamic, electrolyte and acid-base changes during pcnl. objectives the current study aimed to compare the electrolyte, hemodynamic and metabolic changes of prone and complete supine pcnl. patients and methods i...

introduction: the bed nucleus stria terminalis (bst) is a part of the limbic system. it was recently shown that chemical stimulation of the bst by l-glutamate elicited cardiovascular depressive responses. in the present study, we have investigated the possible cardiovascular role of the gabaergic receptors in bst by microinjection of its agonist and antagonists. methods: experiments were perfor...

background: obesity and metabolic syndrome are serious public health problems. it is suggested that high calcium diet can improve lipid profile, blood pressure and insulin resistance. methods: in this clinical trial, 75 healthy overweight or obese premenopausal women were randomly allocated to one of the following dietary regimens for 8 weeks: 1) a control diet 2) a calcium-supplemented diet co...

Background: The present study was conducted to determine the prevalence of metabolic syndrome (Mets) in schizophrenic patients in a 6-month period of treatment with antipsychotic medication. Methods: In this study, 60 volunteer schizophrenic patients were included.  At the onset and 6 month after treated with antipsychotic medication, fasting blood sugar (FBS), serum triglyceride (TG), high de...

purpose to investigate the effects of a 10-week water aerobic exercise on the resting blood pressure in patients with stage 1 or 2 hypertension referring to tehran university clinics. methods forty men with stage 1 or 2 essential hypertension were assigned to two groups of intervention [n = 12; aged 48.33±10.74 years (mean±sd)] and control [n = 28; aged 46.96±11.58 years (mean±sd)]. subjects in...