棉尘对女工呼吸系统影响的调查

Investigation for effects of cotton dust on respiratory system

对肥东纺织厂棉纺车间工龄满5a以上的111名棉纺女工进行调查。内容包括呼吸系统症状询问、胸部X线摄片、肺功能测试和心电图测定等。结果表明35．14％的棉纺女工具有呼吸道刺激症状（RTI）；棉尘病患病率为9.9％；急性肺功能改变率：轻度占38．74％，中度10．81％，重度3．6％；慢性肺功能改变率：轻度占58.56％，中度40．54％，重度0．9％。胸部X线特征分析表明棉尘可以引起轻度肺间质纤维性变。

One hundred and eleven female workers in the preparatory department of Feidong Textile Mill with more than five year cotton dust exposure history were investigated by registration of respiratory symptoms, X-ray of chest, lung function test, and ECG. 35. 14% of the workers exposed to cotton dust had RTI, 9. 9% of these had byssinosis; Acute lung funct1on change rates respectively were 38. 74% (mild), 1O. 81 % (middle) and 3. 6 % (heavy); Chronic lung function change rates wete respectively 58. 56% (mild), 40. 54 % (middle) and 0. 1 % (heavy). Analysis of the feature of the lung X-ray finding of the cotton textile workers revealed that the cotton dust exposure could induce nonspecific pulmonary interstitial changes.