在棉纺业棉尘症调查中,常用肺功能检测常用指标为:时间肺活量、第一秒时间肺活量及其比值来观察棉尘影响,但这仅限于大气道阻塞情况,难以发现小气道的影响。为进一步探讨棉尘对小气道的早期损害情况,我们参考了有关棉尘症的调查,对三明纺织厂棉纺工进行调查,现将结果报告如下: 一、资料与方法 1.选择棉纺车间前纺到细纱作业,工龄5年以上者为对象共293名,(男性74名,其中吸烟 Commonly used indicators of lung function testing in the investigation of cotton dust industry cotton spongy: time vital capacity, the first second time vital capacity and its ratio to observe the impact of cotton dust, but this is limited to the airway obstruction, it is difficult to find the impact of small airways. To further explore the early damage of cotton dust on small airways, we refer to the survey on cotton dust, Sanming textile mill survey, the results are reported as follows: First, the data and methods 1. Select the cotton spinning workshop before spinning Spinning operations, more than 5 years of service for a total of 293 subjects (74 males, of which smoking