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首页> 外文期刊>Occupational and environmental medicine >Cross shift changes in lung function among bar and restaurant workers before and after implementation of a smoking ban.
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Cross shift changes in lung function among bar and restaurant workers before and after implementation of a smoking ban.

机译：在实施禁烟令前后，酒吧和饭店工作人员的肺功能发生交叉变化。

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OBJECTIVE: To study possible cross shift effects of environmental tobacco smoke (ETS) on pulmonary function among bar and restaurant employees before and after the implementation of a smoking ban in Norway. METHODS: The study included 93 subjects employed in 13 different establishments in Oslo. They were examined at the beginning and end of a workshift both while ETS exposure was present and when smoking was banned. The mean exposure level of nicotine and total dust before the ban was 28 microg/m3 (range 3-65) and 275 microg/m3 (range 81-506), respectively. Following the smoking ban, the mean level of nicotine and total dust was 0.6 mug/m3 and 77 microg/m3, respectively. Assessment of lung function included dynamic lung volumes and flows. RESULTS: The cross shift reduction in forced vital capacity (FVC) among 69 subjects participating in both examinations changed from 81 ml (SD 136) during exposure to ETS to 52 ml (SD 156) (p = 0.24) following the smoking ban. The reduction in forced expired volume in one second (FEV1) during a workshift, was borderline significantly reduced when comparing the situation before and after the intervention, by 89 ml (SD = 132) compared to 46 ml (SD = 152) (p = 0.09), respectively. The reduction in forced mid-expiratory flow rate (FEF25-75%) changed significantly from 199 ml/s (SD = 372) to 64 ml/s (SD = 307) (p = 0.01). Among 26 non-smokers and 11 asthmatics, the reduction in FEV1 and FEF25-75% was significantly larger during ETS exposure compared to after the smoking ban. There was an association between the dust concentration and decrease in FEF25-75% before the ban among non-smokers (p = 0.048). CONCLUSIONS: This first study of cross shift changes before and after the implementation of a smoking ban in restaurants and bars shows a larger cross shift decrease in lung function before compared with after the implementation of the ban.
机译：目的：研究在挪威实施禁烟令前后，环境烟草烟雾（ETS）对酒吧和饭店员工的肺功能的交叉影响。方法：该研究包括在奥斯陆的13个不同机构中雇用的93名受试者。他们在工作班次开始和结束时都进行了检查，既有暴露在ETS中也有禁烟时。禁令前尼古丁和总灰尘的平均暴露水平分别为28微克/立方米（范围3-65）和275微克/立方米（范围81-506）。禁烟后，尼古丁和总灰尘的平均水平分别为0.6杯/立方米和77微克/立方米。肺功能评估包括动态肺体积和流量。结果：参加两项检查的69名受试者的强迫肺活量（FVC）的交叉变化从禁止吸烟后的81 ml（SD 136）变为暴露于ETS期间的52 ml（SD 156）（p = 0.24）。与干预前后的情况相比，在轮班期间一秒内强迫呼出量（FEV1）的减少已显着减少，与46 ml（SD = 152）相比，减少了89 ml（SD = 132）（p = 0.09）。强制呼气中期流量的减少（FEF25-75％）从199 ml / s（SD = 372）变为64 ml / s（SD = 307）（p = 0.01）。与禁烟令相比，在26名非吸烟者和11名哮喘患者中，ETS暴露期间FEV1和FEF25-75％的下降幅度明显更大。非吸烟者禁止之前，粉尘浓度与FEF25-75％的减少之间存在关联（p = 0.048）。结论：这项关于在餐厅和酒吧实施禁烟令前后交叉转换变化的首次研究表明，与实施禁烟后相比，肺功能的交叉转换下降幅度更大。

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