职业尘埃暴露是发展肺功能障碍的危险因素.
Johannes James Saers1, Ing-Liss Bryngelsson, Josefin Sundh
1From the School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (J.S.); Department of Occupational and Environmental Medicine, Örebro University Hospital, Örebro, Sweden (I.-L.B.); Department of Respiratory Medicine, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (J.S.); Department of Medical Sciences, Respiratory, Allergy & Sleep Research, Uppsala University, Uppsala, Sweden (C.J.); and Department of Occupational and Environmental Medicine, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (L.A.).
在颗粒工厂中,高暴露于木尘会显著降低肺功能. 造纸厂和造厂的工人也表现出肺部容量减少,这凸显了在尘埃多重的工业中需要呼吸监测的必要性.
科学领域:
- 职业健康 职业健康 职业健康
- 环境医学 环境医学
- 肺部医学 肺部医学
背景情况:
- 粉尘暴露在纸厂,木质颗粒厂和铁厂等行业中很普遍.
- 了解特定类型的灰尘对肺功能的影响对于工人的安全至关重要.
研究的目的:
- 调查纸厂,木质颗粒工厂和铁厂中的尘埃暴露与肺功能障碍之间的关联.
- 量化可吸入的木灰,纸灰和可呼吸的二氧化对螺旋计测量的影响.
主要方法:
- 个人空气采样可呼吸的二氧化,可吸入的纸尘和可吸入的木尘.
- 进行了螺旋测量以评估肺功能,测量1秒内强制呼气体积 (FEV1) %pred和强制生命能力 (FVC) %pred.
- 使用多重线性回归分析来确定尘埃暴露水平与肺功能参数之间的关联.
主要成果:
- 与暴露较低的工人相比,木质颗粒工厂的工人暴露在高吸入性粉尘中的FEV1%pred (-9.4%) 和FVC%pred (-9.8%) 显著较低.
- 对于造纸厂或造厂工人来说,没有明确的剂量依赖关系,但与木质颗粒工厂工人相比,他们普遍呈现出较低的FEV1%pred和FVC%pred.
结论:
- 增加暴露于可吸入的木灰直接与肺功能下降有关.
- 与木质颗粒工人相比,造厂和造纸厂工人往往有较差的肺功能,无论剂量反应关系如何.
- 对于有大量空气颗粒物污染的行业的工人,建议进行螺旋计查,以早期检测和管理肺功能障碍.
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