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长期接触棉尘能引起工人患棉尘症,其典型症状是工人经过24小时休息后,再次接触棉尘几小时会产生胸部紧束感,气急或咳嗽。长期下去,易发展为伴有气道阻塞的慢性表现。棉尘除了可引起典型的症状,尚可使呼吸道分泌物增多,且在后期与慢支表现不易区别。WHO1982年的专家小组会议把棉尘引起的表现分为两类,即棉尘症和呼吸道刺激。棉尘症应根据典型症状和肺功能改变来确定,而呼吸道刺激即使是由棉尘引起,其特异性也不强。我们在对某棉纺厂,167
Long-term exposure to cotton dust can cause workers to suffer from cotton dust disease. The typical symptom is that after 24 hours’ rest, the worker again comes into contact with cotton dust for a few hours and will have a chest tightness, shortness of breath or cough. Long-term, easy to develop with chronic obstruction associated with airways. In addition to cotton dust can cause typical symptoms, can still increase the respiratory secretions, and in the late and chronic bronchitis performance is not easy to distinguish. In 1988, the organization’s convention on the organization of cotton sales led to two categories, namely cotton dust disease and respiratory irritation. Cotton dust disease should be based on the typical symptoms and changes in lung function to determine, and even if the respiratory tract irritation caused by cotton dust, its specificity is not strong. We are working on a cotton mill, 167