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International Journal of Recent Trends in Science and Technology, ISSN 2277-2812 E-ISSN: 2249-8109

Volume 8, Issue 1, August 2013 pp 39-41

Research Article

A Study of Pulmonary Function: ‘Children versus Young Adults’ in Guntur, Andhra Pradesh, INDIA.


Madhu Babu K.1, Venkata Venu Gopala Raju S.2

1Assistant Professor, 2Associate Professor, Department of Physiology, Katuri Medical College, Guntur, Andhra Pradesh, INDIA.



Academic Editor : Dr. Aher K.R.


Introduction: Pulmonary Function Tests are used to measure base­line status of respiratory function, to monitor treatment and to estimate prognosis. The present study was aimed to determine pulmonary function tests values and to compare the different parameters like FVC, FEV1, ERV, FEF25-75%, PEFR in children and young adults. Materials and Methods: A cross sectional study was conducted to determine the pulmonary function tests in selected children and young adults, belonging to rural area of Guntur district. Fifty male subjects were considered for the study and divided them into two groups basing on the age. Pulmonary function tests were done with the help of Computerized Spirometer. Different parameters like FVC, FEV1, ERV, FEF25-75% and PEFR were recorded. Results and Discussion: Increase of FVC of 153.49%, FEV1 of 133.33%, FEF25-75% of 80.54%, ERV of 84.78% and PEFR of 94.35% was observed in young adults, when compared to children. Statistical significance was obtained by using t test (P<0.001). Among the parameters studied, FVC and FEV1 showed a greater increase in young adults than the remaining parameters, when compared with children. Conclusion: In the current study, pulmonary function test values of children and young adults, a marked increase was observed in all the five parameters, from childhood to adulthood as per the body needs of oxygen. It is important to understand the improvement of pulmonary function test values with age among young adults, in interpretation of pulmonary function variations in different physiological and pathological settings.