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Apparent resistance to fall in forced vital capacity in children with increasing mass level of fine particulate: A physiological phenomenon |
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| Authors: | Susheel K Mittal Sachin Gupta Ravinder Agarwal |
| Institution: | 1. School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala, Punjab, India;2. smittal@thapar.edu;4. Department of Robotics and Control Engineering, School of Electronics and Electrical Engineering, Lovely Professional University, Jalandhar, India;5. Department of Electrical and Instrumentation Engineering, Thapar Institute of Engineering and Technology, Patiala, Punjab, India |
| Abstract: | AbstractForced vital capacity (FVC) of children in the age group 10–12 years are reported as a function of quantum increase in PM2.5 level in ambient air. The data are reported for the children in the categories based on their respective body mass index (BMI). FVC (% predicted) values decreased with increasing level of PM2.5. The subjects are found to respond in a selective manner as plateau was observed for FVC values against some selected ranges of PM2.5 concentration levels (74 µgm?3 to >117 µgm?3). To explain this unusual behavior, sac theory is proposed which explains the observations of FVC for subjects of all categories with different BMI values. |
| Keywords: | Forced vital capacity particulate matter concentration Sac theory children respiratory health crop residue burning |