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本文调查了羽毛加工业的粉尘危害,该粉尘为一种混合性粉尘,除羽毛有机成份外还含有大量的杂质。其游离SiO_2含量取决于杂质的多寡,羽毛中平均含量为2.3%,而杂质中高达41.9%。粉尘浓度最高达446.67mg/m~3。认为羽毛工尘肺的致病原因,首先应考虑是SiO_2的作用。5例羽毛工尘肺X线形态为两中、下肺区不规则S形Ⅰ级密集度小阴影,个别有少量类圆形小阴影。肺功能以阻塞性障碍为主。接触者主要表现是“羽毛热”,占61.1%,其次是皮肤过敏及上呼吸道刺激症状。接触者免疫球蛋白(IgA、IgG)明显低于对照组。
This paper investigates the dust hazards of the feather processing industry, a mixed dust that contains a large amount of impurities in addition to the organic constituents of feathers. Its free SiO 2 content depends on the amount of impurities, the average content of feathers 2.3%, while the impurities up to 41.9%. Dust concentration up to 446.67mg / m ~ 3. Feather pneumoconiosis pathogenesis, the first consideration should be the role of SiO_2. Five cases of feather workers pneumoconiosis X-ray two, the lower lung area irregular S-shaped I-level concentration of small shadows, a small number of individual round small shadow. Pulmonary function mainly obstructive disorders. The main performance of the contact is “feather fever”, accounting for 61.1%, followed by skin allergies and upper respiratory tract irritation. Contact immunoglobulin (IgA, IgG) was significantly lower than the control group.