2009年郑州某铁路铸造厂作业工人肺通气功能变化分析

目的]研究铸造工人的肺通气功能变化。方法]2009年9月对郑州某铁路铸造厂工人作业场所进行环境检测,调查180名作业工人的防护情况和生活习惯,测试肺通气功能。选择与接尘组条件一致的同等劳动强度、不接触粉尘的某机床厂176名男性职工为对照组。结果]粉尘浓度超过国家职业接触限值,接尘组与对照组肺通气功能指标FVC、FEV1.0和FEV1%、PEFR比较,差异均有统计学意义(P<0.05)。结论]接尘及作业环境与肺通气功能损害有密切关系,且随着工龄的增加,损害逐步加大。

Analysis on Change of Exposed Workers' Pulmonary Function in Zhengzhou Railway Foundry Plant

Objective]To investigate the change of exposed workers' pulmonary lung ventilation function in foundry industry.Methods]Environmental detection was conducted on railway foundry workplaces,a survey was made among 180 operation workers on protection and lifestyle,test was conducted on lung ventilation function. Select 176 male employees from dust set of conditions consistent equally labor intensity,no dust exposure of a machine tool plant as control group.Results]Dust concentration exceeded national occupa...