pneumoconiosis/nicotine

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[Tobacco "pneumoconiosis"].

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Smoking prevalence, behaviour and nicotine addiction among coal workers in Zonguldak, Turkey.

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To assess the smoking status of coal workers, as coal dust exposure and concomitant cigarette smoking contribute to the increased prevalence of pulmonary interstitial fibrosis, chronic obstructive pulmonary disease and other pulmonary diseases. A survey was conducted to determine the smoking

Pneumoconiosis among workers in a Vietnamese refractory brick facility.

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BACKGROUND Vietnam is a rapidly industrializing country with increasing needs for building materials, including refractory bricks. The manufacture of refractory bricks results in high levels of free silica, a recognized occupational hazard. METHODS A cross-sectional survey was conducted among 158

CYP1A1 and CYP1B1 polymorphisms as modifying factors in patients with pneumoconiosis and occupationally related tumours: A pilot study.

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CYP1A1 and CYP1B1 are involved in the metabolism of carcinogens. The effect of CYP1A1 and CYP1B1 polymorphisms as genetic modifiers of risk was investigated in individuals with asbestos, silica dust or ionizing radiation-induced occupational tumours compared to exposed non-cancer subjects suffering

[Cutters and drillers: 2 different coal pneumoconioses?].

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The radiographs of 393 coal-cutters (or hewers) and 187 drillers were read independently by two pneumoconiosis experts following the complete 12 grade classification (BIT 1980). The two groups were comparable for age, tobacco and alcohol consumption, and respiratory symptoms but the VEMS was lower

Polymorphisms in interleukin 17A gene and coal workers' pneumoconiosis risk in a Chinese population.

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BACKGROUND The interleukin 17A (IL-17A) which is located on chromosome 6p and has been linked to chronic inflammation, is an important candidate gene conferring coal workers' pneumoconiosis (CWP). The purpose of this study was to investigate the genetic association between single nucleotide

A case of mixed dust pneumoconiosis with desquamative interstitial pneumonia-like reaction in an aluminum welder.

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A 60-year-old man presented with an 18-month history of gradually worsening cough and a 12-month history of dyspnea on exertion. High-resolution computed tomography showed bilateral uniform ground grass opacity in the lower lung fields, partially resolved by smoking cessation. A tentative diagnosis

The "dirty chest"--correlations between chest radiography, multislice CT and tobacco burden.

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OBJECTIVE Cigarette smoking-induced airway disease commonly results in an overall increase of non-specific lung markings on chest radiography. This has been described as "dirty chest". As the morphological substrate of this condition is similar to the anthracosilicosis of coal workers, we

Progressive intraparenchymal lung nodules dissemination in a heavy smoker and seropositive rheumatoid arthritis suspected of tuberculosis relapse.

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Anthony Caplan first described rheumatoid lung nodules associated with pneumoconiosis in coal-miners (Caplan, 1953). Intraparenchymal lung nodules were later described in rheumatoid arthritis (RA) patients who were never exposed to coal dust and/or without pneumoconiosis. Rheumatoid lung nodules are

Cosinor analysis of circadian peak expiratory flow variability in normal subjects, passive smokers, heavy smokers, patients with chronic obstructive pulmonary disease and patients with interstitial lung disease.

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Peak expiratory flow (PEF) presents a circadian rhythm with a maximum in the afternoon, and a significant variability in its diurnal variations has been reported in normal subjects and in chronic obstructive pulmonary disease (COPD). In order to investigate whether passive smoking, active tobacco

Indications for long-term oxygen therapy.

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The Medical Research Council and the Nocturnal Oxygen Therapy Trial studies clearly demonstrated that long-term oxygen therapy (LTOT) for more than 15 h/day improved mortality and morbidity in a well-defined group of patients with chronic obstructive pulmonary disease. There are no similar

[Occupational dust exposure and chronic obstructive bronchopulmonary disease. Etiopathogenic approach to the problem of compensation in the mining environment].

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In order to support the hypothesis of a causal relationship between exposure to respirable coal mine dusts and chronic obstructive pulmonary disease (COPD), investigations were performed to assess the biological disorders affecting the distal air spaces in coal workers with pneumoconiosis. Broncho

The pathobiology and epidemiology of human emphysema.

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Emphysema is defined in anatomical terms as enlargement of the gas-exchanging part of the lung (the acinus) accompanied by destruction of respiratory tissue. Emphysema is classified by the way that the acinus is dominantly involved. In proximal acinar emphysema, the proximal part of the

[Contribution of medical files for mining workers in Burkina Fasso].

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BACKGROUND The inhalation of silica dust stemming from traditional mining in Burkina Faso is associated with a high amount of pneumoconiosis cases. A medical consultation performed before and after the hiring of a mine worker should allow authorities to make the diagnosis. METHODS A cross-sectional

[Characteristics of lung cancer in patients exposed to silica at work. A comparison of exposed and non-exposed individuals].

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BACKGROUND In 1977 silica was listed as a group 1 carcinogen (demonstrated in humans) by the International Agency for Research on Cancer. However, conflicting results from various studies have kept debate alive as to its carcinogenic capacity. The interest of this debate lies in the large number of

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