Effect of Ambient Ozone Exposure Assessed by Individual Monitors on Nasal Function and Exhaled NO Among School Children in the Area of Thessaloniki, Greece.

J Occup Environ Med

Pulmonary Department, Aristotle University of Thessaloniki, G. Papanikolaou Hospital, Exochi, Thessaloniki (Mr Angelis, Mr Spyratos, Ms Domvri, Mr Kalamaras, Ms Papakosta); Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens (Ms Dimakopoulou, Ms Samoli, Ms Katsouyanni); 2nd Pulmonary Department, Medical School, National and Kapodistrian University of Athens, "ATTIKON" University Hospital (Ms Karakatsani); School of Chemical Engineering, National Technical University of Athens (Mr Grivas) Greece; Department of Primary Care & Public Health Sciences and Environmental Research Group, King's College London, UK (Ms Katsouyanni).

Published: June 2017

Objectives: The study of short-term effects of environmental ozone exposure on nasal airflow, lung function, and airway inflammation.

Methods: Ninety one children-47 underwent rhinomanometry-were included. The study was carried out during the 2013 to 2014 academic year. Activity questionnaires and personal O3 samplers were distributed and 1 week later, respiratory measurements were performed. Daily measurements of outdoor ozone were also considered.

Results: A 10 μg/m increase in weekly personal ozone exposure concentrations was associated with a non-statistically significant 12.7% decrease in nasal inspiratory airflow (29.4% during the high ozone period). When the outdoor exposure of the same and the previous day were taken into account the corresponding figures were 13.48% and 43.58% (P = 0.02).

Conclusions: There is an indication for increased risk of nasal obstruction during exposure to high ozone.

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Source
http://dx.doi.org/10.1097/JOM.0000000000001011DOI Listing

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