Pokrovskaia T N, Cherednichenko V M
Gig Tr Prof Zabol. 1990(9):37-40.
A comparative study was made of the action of 5 intratracheally introduced dusts (of manganese, silicon, potassium, natrium, calcium, fluorine, and iron) on the cardio-respiratory system. A more marked biologic activity of the hard component of welding aerosols with a high content of fluorine, potassium and soluble manganese compounds was established. This was proved by structural damages, such as atelectasis, emphysema, bronchiectasis in the lungs, dystrophic developments in the contractual myocardium, a sharp decrease in the luminescent intensity of the adrenergic terminals in the myocardium. All the welding dust samples did not display a fibrogenous activity in any degree.
对经气管内注入的5种粉尘（锰、硅、钾、钠、钙、氟和铁的粉尘）对心肺系统的作用进行了一项对比研究。已证实，含有高含量氟、钾和可溶性锰化合物的焊接气溶胶硬成分具有更显著的生物活性。这一点通过诸如肺不张、肺气肿、支气管扩张等结构损伤、收缩性心肌营养不良性病变以及心肌中肾上腺素能末梢发光强度急剧下降得以证明。所有焊接粉尘样本均未表现出任何程度的致纤维化活性。
