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NJBMS - Volume 3, Issue 1, July - September 2012

Pages: 35-38

STUDY OF PULMONARY FUNCTION TESTS IN TRAFFIC POLICEMEN EXPOSED TO AUTOMOBILE POLLUTION IN BANGALORE CITY

Author: PRAMILA T., B. GIRIJA

Category: Physiology

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Abstract:

Background: There is a higher risk of developing acute or chronic respiratory disease in individuals who are exposed to automobile pollution. Hence a study was undertaken with a view to investigate the effect of automobile pollution on pulmonary function parameters in Traffic policemen, so that the potential health risks in these subjects can be minimised by early identification of abnormalities in PFT parameters. Periodic retesting can detect pulmonary disease in the earliest stages when corrective measures are more likely to be beneficial.

Methodology: The study involved the traffic policemen who are exposed to automobile pollution and normal healthy controls who are age & gender matched. In both the groups, PFT parameters like Forced Vital Capacity (FVC), Forced Expiratory Volume in first second (FEV1), FEV1/FVC ratio, Peak Expiratory Flow Rate (PEFR) and Forced Expiratory Flow between 25-75% of Forced Vital Capacity (FEF 25-75%) were recorded using Computerised Spiro meter RS 232C.

Results: The pulmonary function parameters were significantly decreased in cases when compared to controls and the decrease in parameters were associated with duration of exposure.

Conclusion: A significant reduction in Forced Expiratory Volume in first second, Peak Expiratory Flow Rate and FEV1/FVC ratio reflected an obstructive type of abnormality in Traffic policemen and there was a linear relationship between duration of exposure and parameters like Forced Expiratory Volume in first second, Peak Expiratory Flow Rate, Forced Expiratory Flow between 25-75% of Forced Vital Capacity and FEV1/FVC ratio.

Keywords: Automobile pollution, Flow parameters, Pulmonary Function Tests, Traffic policemen

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Editor in Chief of NJBMS Dr.Deepti Shastri, Professor and Head, Department of Anatomy, Academic Co-ordinator for Pre and Paraclinical Sciences, VMKV Medical College & Hospital, Salem.


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