Abstract
The objectives of this study was to assess the effect of traffic air pollution on the pulmonary functions among the traffic policemen and general policemen posted at various chowks and police stations respectively in Multan city. Pulmonary function test (PFT) were recorded on the basis of age, smoking history and body mass index (BMI)
matched 50 traffic policemen (study case group) and 50 general policemen (control group) of male category. In altering lung function, chronic smoking was known to be a critical factor. Between the smokers as well as nonsmokers of both the groups, pulmonary function test parameters were compared. In non-smokers group, significant
decreased was found to be in vehicle control (VC) (4.54±0.12), peak inspiratory flow (PIF) (192.4±15.29), forced expiratory flow (FEF-25) (6.04±0.68) and forced respiratory volume in 1 second (FEV1) (3.97±0.11) in study case group as compared to that of control group. Similarly, in smokers group, significant decrease was found to be in VC
(4.26±0.11), peak expiratory flow (PEF) (78.62±2.42), forced respiratory volume in 1 second (FEV1) (3.45±0.09),FEF-25 (5.28±0.23), maximum voluntary ventilation (MVV) (87.4±4.69) and PIF (238.6±14.33) in study case group as compared to that of the control group. These changes showed that in the traffic policemen group restriction to the lung expansion, narrowing of the air ways and obstruction were to be found as compared to the general policemen group. Decreased functional capacity of the lungs and chronic smoking worsens the condition are due to the exposure to vehicular pollution for several hours in a day for many years.
Muhammad Zafar, Asmatullah and Muhammad Khalil Ahmad Khan. (2015) Exposure of vehicular pollution in altering the pulmonary functions in traffic policemen in Multan city, Punjab University Journal of Zoology, Volume 30, Issue 1.
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