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Cross-Workshift Changes in Lung Function Parameters in Hospitality Workers With Workplace SHS Exposures FREE TO VIEW

Andreas Neophytou*, MS; Nektarios Anagnostopoulos, MD; Constantine Vardavas, MD; Stefania Koutsilieri; Giorgos Dotis, MD; Vassiliki Evangelopoulou, MD; Francine Laden, DSc; Panagiotis Behrakis, MD; Douglas Dockery, DSc
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Department of Environmental Health, Harvard School of Public Health, Boston, MA

Chest. 2012;142(4_MeetingAbstracts):1080A. doi:10.1378/chest.1390152
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SESSION TYPE: Tobacco Cessation and Prevention

PRESENTED ON: Tuesday, October 23, 2012 at 04:30 PM - 05:45 PM

PURPOSE: Second Hand Smoke (SHS) has been linked to multiple health outcomes including lung cancer, cardiovascular disease and various respiratory symptoms. The acute effects of SHS exposure however in a real world occupational setting have not been thoroughly documented. The objective of this study was to assess the acute cross-shift respiratory effects in healthy non-smoking hospitality workers exposed to occupational SHS and in unexposed workers in the same industry.

METHODS: Spirometry, whole body plethysmography, impulse oscillometry (IOS), exhaled nitric oxide (FeNO) and control of breathing measurements where performed pre and post-workshift in 20 hospitality workers employed in venues without implemented smoke-free regulations and 15 workers from venues where smoke-free regulations were in place, in Athens, Greece. Paired t-tests were used to assess the differences in pre- and post-workshift values.

RESULTS: The average smoker density in the exposed venues was 3.86 cigarettes per 100m3 while average PM2.5 concentrations were 365 μg/m3. A statistically significant cross-workshift decrease in FeNO was observed (-11.1%, 95% CI: -19.6%, -1.6%) as well as statistically significant increases in IOS assessed respiratory resistance at frequencies of 5 Hz (9.1%, 95% CI: 1.3%, 17.5%), 10 Hz (10.5%, 95% CI: 2.9%, 18.6%) and 20Hz (10.5%, 95% CI: 3.3%, 18.2%) in the exposed group. A significant increase in occlusion pressure in the airways within the first 100 msec of inspiration (P100) was also observed (11.8%, 95% CI: 1.0%, 23.7%). Corresponding parameter changes in the unexposed group were attenuated or even in the opposite direction and none was statistically significant. No statistically significant changes between pre- and post-shift values were observed in static and dynamic volumes and flows in either the exposed or unexposed groups.

CONCLUSIONS: Acute effects in FeNO, airway resistance and P100 are associated with the workshift in hospitality venues without implemented smoke-free regulations.

CLINICAL IMPLICATIONS: Occupational SHS exposure in hospitality venues could be associated with acute adverse lung function disturbances in healthy non-smoking adults.

DISCLOSURE: The following authors have nothing to disclose: Andreas Neophytou, Nektarios Anagnostopoulos, Constantine Vardavas, Stefania Koutsilieri, Giorgos Dotis, Vassiliki Evangelopoulou, Francine Laden, Panagiotis Behrakis, Douglas Dockery

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Department of Environmental Health, Harvard School of Public Health, Boston, MA




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