Aim: Silicosis has long been recognized as an important occupational lung disease that is included in the group of pneumoconiosis. As already well-known silicosis a progressive pneumoconiosis characterized by fibrosis lungs. Also, chronic exposure to silica may cause obstructive pulmonary disease, emphysema, cancer, and fibrosis. Asymmetric dimethyl arginine (ADMA), symmetric (SDMA), L-NMMA (NG...

"general medical and paramedical readers." A book of this sort frequently emphasizes the interests of the authors. More useful perhaps would be the undertaking of some of the major psychiatric journals of annotated bibliographies of the yearly research in these areas where those who are interested, whether deeply or superficially, can select what they want. In the meantime until there are more ...

Accepted 29 July 1996 Abstract Objective-To determine whether previous health experiences affect the prevalence of occupational lung disease in a semirural Botswanan community where there is a long history of labour recruitment to South African mines. Method-A cross sectional prevalence study of 304 former miners examined according to a protocol including a questionnaire, chest radiograph, spir...

OBJETIVES The aim of this study is to evaluate the association between the time of outsourced work and the development of pneumoconiosis in Peruvian miners who attended the "Centro Nacional de Salud Ocupacional y Protección al Ambiente para la Salud" between 2008 and 2011. MATERIALS AND METHODS Retrospective case-control study. Cases were defined as workers diagnosed of pneumoconiosis under s...

BACKGROUND Chronic hypoxia is a risk factor for cardiovascular disease, but its association with blood pressure (BP) remains unclear. We performed this study to clarify the hypothesis that chronic hypoxia is associated with abnormal BP variability in patients with pneumoconiosis. METHODS We recruited 19 patients with pneumoconiosis and 30 age- and BP level-matched control subjects. We used si...

A radiological survey of men employed in the china clay industry in Cornwall was carried out in 1977. Each man completed a short questionnaire on respiratory symptoms and smoking habits, his occupational history was determined, and his forced expiratory volume and vital capacity were measured. The radiographs were read independently by three observers, using the 1980 ILO classification. Of the ...