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Effect of obesity on dynamic lung volume and capacity in young adult males

Authors:*Naveen Bankey, Raina Jain, Ashish Jain
Int J Biol Med Res. 2015; 6(1): 4681-4684  |  PDF File


Background & objectives: Obesity is a modern epidemic. It effects various body systems which is being well documented. There is a high likelihood that obesity can also effect lung function due to various reasons. The purpose of the present study is to deduct the effect of adiposity on dynamic lung function tests. Methods: 120 volunteer participated in this study (60 normal, BMI 18.5-22.9 kg/m2, 60 obese, BMI >25 kg/m2) based on their anthropometric profile. Both the groups were assessed for their parameters of obesity (BMI, waist hip ratio (WHR), and body fat % (BF) and dynamic lung volume (FEV1) and capacity (FVC) and FEV1/FVC ratio). Results: The measured pulmonary functions were impaired in the obese group when compared to non obese group. Statistical analysis revealed that the two groups differ significantly with obese people having lower FEV1 and FVC. The results showed a negative correlation of FEV1, FVC with BMI, WHR, and BF%. Conclusion: Obesity effects pulmonary function by both restricting and obstructing the lung parenchyma and conducting airways.