Paper Information

Journal:   SHAHREKORD UNIVERSITY OF MEDICAL SCIENCES JOURNAL   APRIL-MAY 2011 , Volume 13 , Number 1; Page(s) 27 To 35.
 
Paper: 

CORRELATION BETWEEN THE CONCENTRATION OF AIR POLLUTANTS (CO, SO2 AND NO2) AND PULMONARY FUNCTION

 
Author(s):  MOINI L.*, FANI A., BAKHTYAR M., RAFEIE M.
 
* INTERNAL DEPT., AMIRALMOMENIN HOSPITAL, ARAK, IRAN
 
Abstract: 

Background and aim: Due to significant role of air pollutants on lung diseases this study aimed to examine the effects of concentration of air pollutants (CO, SO2, NO2) on Spirometric lung function.
Methods: The sample cities, Arak (as an industrial contaminated city) and Khomain, (as a non-contaminated non-industrial city), were divided into Ira 10 and 5 regions, respectively. A sample of air pollutants (CO, SO2, NO2) was measured randomly by PSI (Pollution Standard Index) machine throughout the year from spring to winter. Random samples consisted of 522 non-smokers from Khomain and 547 from Arak were selected. Pulmonary function tests were completed on all participants. The mean concentration of air pollutants and distribution index of lung capacity were subjected to regression analysis.
Results: Analysis of the results showed that PSI in Arak was 101.83
±4.54 and in Khomain was 89.17±18.58 (P<0.05). Measured values FVC and PEF in Arak were significant lower than Khomain (P<0.05). The mean values for the concentration of CO, SO2 and NO2 in Arak were higher than Khomain, although the differences were significant only for CO and SO2 (P<0.001). The three pollutants (NO2, SO2 and CO) showed a significant correlation between mean VC (P<0. 001) FVC, (P<0.05) with concentrations of SO2 and PEF with NO2 (P<0.001). In Arak, the correlation between the predicted FVC and concentration of CO was negative and significant.
Conclusion: The mean value of concentration of SO2, CO and NO2 in Arak were higher than Khomain. In Arak, a significant negative correlation was also observed between FVC and the concentration of CO. These pollutants and their resources should be annually measured and monitored.

 
Keyword(s): AIR POLLUTANTS, LUNG FUNCTION, POLLUTION, STANDARD INDEX
 
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