pneumoconiosis/hypoxia

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[The characteristics of the development and course of pneumoconiosis under the conditions of a mountain climate].

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Analysis of pneumoconiosis course in workers exposed to dust in the mines of different altitudes showed, that the increased altitude augmented mountainous hypobaric hypoxia hasten the development of pneumoconiotic process and increase the number of nodular pneumoconiosis growing progressively worse.

[Clinical characteristics of pneumoconiosis complicated with chronic obstructive pulmonary disease].

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Objective: To analyze the pulmonary function and clinical features of coal worker's pneumoconiosis complicated with chronic obstructive pulmonary disease (COPD) , coal worker's pneumoconiosis and COPD, in order to improve the diagnosis and treatment of coal worker's pneumoconiosis complicated

[Clinical analysis of home oxygen therapy in patients with pneumoconiosis at Iwamizawa Rosai Hospital].

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Although home oxygen therapy (HOT) has become one of the standard therapies in the management of chronic respiratory failure, especially for patient with hypoxia, there are very few studies about HOT in patients with pneumoconiosis. Therefore, we clinically investigated the characteristics of 97

[Analysis of clinical features in patients with pneumoconiosis complicated with pulmonary emphysema].

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Objective: To investigate the clinical features of pneumoconiosis complicated with pulmo-nary emphysema. Methods: selected 868 patients with pneumoconiosis were selected from December 2015 to December 2016 in Hunan occupational disease prevention and treatment hospital. Collected the results of

[Tonoko pneumoconiosis with deposition of titanium].

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A 56-year-old man had worked as a furniture painter and had been exposed to tonoko polishing powder for 30 years. He had complained of dyspnea on exertion for 7 years, and was admitted to our hospital in 1991. A chest X-ray film revealed large opacities and emphysematous changes in both lung fields.

Exaggerated blood pressure variability in patients with pneumoconiosis: a pilot study.

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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

[The mechanisms of the formation of pneumoconiosis under high-altitude conditions].

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Lipid peroxidation parameters, such as malonic dialdehyde and antioxidant defense (superoxide dismutase and catalase activities) were studied in healthy individuals, miners of different occupations, working at mines of different altitudes. The studies showed that increased lipid peroxidation and

[Therapeutic efficacy of salbutamol and dexamethasone added into whole lung lavage fluid in patients with pneumoconiosis].

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OBJECTIVE To investigate the therapeutic efficacy and safety of salbutamol and dexamethasone added into large-volume whole lung lavage (WLL) fluid in patients with pneumoconiosis. METHODS A total of 176 patients with pneumoconiosis were randomly divided into control group (n=86) and treatment group

[Treatment possibilities and treatment results in pneumoconioses].

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Some types of pneumoconiosis, such as asbestosis, are characterized by marked restrictive functional patterns. Treatment is begun when definite arterial hypoxemia appears, since the inhalation of oxygen clearly lowers pulmonary artery pressure. It is also important that the onset of concomitant

Hypersensitivity pneumonitis: bagassosis.

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Pneumoconiosis from inorganic dusts is very common worldwide and has been studied by many experts in Taiwan. However, pneumoconiosis due to organic dusts, i.e. hypersensitivity pneumonitis, seems rather uncommon in Taiwan, and to our best knowledge there has been no related report so far. In this

Blood gases in simple coal workers' pneumoconiosis.

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Pulmonary gas exchange was measured at rest and during exercise in 30 normal males (14 smokers) and 43 coal workers free of obstructive syndrome, at three levels of oxygenation: hypoxia, normoxia and hyperoxia. The main results are the following: a) in normoxia PaO2 and (A--a)DO2 are slightly

[Study of optimization of whole lung lavage applied to pneumoconiosis].

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OBJECTIVE To observe and evaluate the performances of intermittent positive pressure ventilation, beta-2 adrenergic receptor agonist, and pressure lavage in promoting residual fluid absorption and improving blood oxygen saturation during massive whole lung lavage (WLL). METHODS A total of 155

Polycythaemia in coal miners with chronic lung disease.

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The polycythaemic response to hypoxia was studied in 30 ex-coal miners, comprising 14 patients with complicated pneumoconiosis and 16 with chronic non-specific lung disease. A close correlation was found between arterial oxygen saturation and haemoglobin, packed-cell volume, and the red cell mass.

Blood gas analysis as a determinant of occupationally related disability.

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Arterial blood gas analysis is one of the criteria used by the Department of Labor to award total and permanent disability for coal workers' pneumoconiosis (Black Lung). We have observed that Black Lung claimants often undergo several blood gas analyses with widely differing results that sometimes

Applied aspects of theoretical analysis of pulmonary gas exchange.

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This paper gives a summary of the theoretical analysis of the processes of gas exchange in the lungs. It brings out the effect of changes in the rate of equilibration of gases across the membrane due to a variety of factors. It brings out that the length of the capillary over which complete

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