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: cardiac output (co) is the total volume of blood pumped by the heart per minute and is a function of heart rate and stroke volume. co is one of the most important parameters for monitoring cardiac function, estimating global oxygen delivery and understanding the causes of high blood pressure. hence, measuring co has always been a matter of interest to researchers and clinicians. sev...