نتایج جستجو برای: occupational exposure
تعداد نتایج: 351088 فیلتر نتایج به سال:
background: brucellosis is the most common bacterial zoonosis worldwide. greece has the highest reported incidence among eu countries. however, occupational risk factors have not been well described. objective: to determine the incidence patterns and exposure risk factors of brucellosis in greece. methods: we used national-level surveillance and occupational denominator data to estimate the inc...
background: foundry workers are occupationally exposed to hazardous substances such as silica dusts and toxic gases. the aim of this study was to examine the effects of simultaneous exposure to complex mixtures of silica dust, formaldehyde, and triethylamine on lung function parameters. study design: a cross-sectional study. methods: this study was conducted on 55 male workers of core making un...
background: workers exposed to organic solvents are at risk of developing chronic central nervous system disorders. the aim of this cross-sectional study was to investigate the neurobehavioral effects of occupational exposure to organic solvents among pharmaceutical laboratory workers. methods: the study groups consisted of 78 laboratory workers as the exposed group and 98 office workers as une...
background: hairdressers are occupationally exposed to a number of agents in their workplace that result in respiratory symptoms and changes in pulmonary function. objective: to evaluate associations between occupational exposure and respiratory function and reported symptoms in a group of hairdressers compared to a control group. methods: a questionnaire on respiratory symptoms and workplace c...
introduction:. nickel (ni) is one of the toxic heavy metals that exposure to it has been connected with chronic respiratory complications such as asthma, chronic bronchitis, lung cancer and heart diseases .. in this research, original studies that investigated occupational or environmental exposures to nickel and measured nickel levels in human tissues was reviewed. materials and methods: in ...
testicular cancer is one of the commonest cancers in men of working age, and is increasing in incidence in europe and north america. one suggested mechanism of causation is that there is impaired differentiation of germ cells in the pre- or perinatal period, followed by malignant transformation in later life, possibly by a hormonal mechanism. endocrine disrupting chemicals (edcs) have been a ma...
a cross-sectional study to determine whether occupational exposure to antineoplastic drugs can cause hematologic changes was performed. blood samples were collected from a group of 24 hematology/oncology nurses who were exposed to antineoplastic drugs during a mean preiod of 5.5 years (standard error =1.1). the control group, matched by sex, and age, consisted of 18 nurses, worked on other sect...
background: organic solvents are known as a group of organic compounds, widely used in industry and to which many workers are exposed. neurotoxicity is one of the most important complications of the chronic exposure to the solvents and may causes neurobehavioral disorders in workers. we have studied the frequency of neurobehavioral disorders in workers exposed to organic solvents in one of the ...
Maintenance activities are identified as critical both to operator safety and to systems safety and reliability. However, it is still difficult to identify maintenance workers in French occupational accident and disease statistics. Moreover, few analyses of these activities and of organizational changes in this field have been conducted. This paper presents two different approaches to this same...
Problems identified as associated with measuring the prevalence of asthma include the lack of an agreed definition, absence of standardization of questionnaires (both the content and the form in which questions are worded) the nonspecific nature of tests of bronchial responsiveness and the variation in the nature of asthma at different ages, seasonally and due to occupational exposures. Approac...
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