COMPARATIVE STUDY OF DYNAMIC LUNG FUNCTION TESTS IN OBESE AND NON-OBESE INDIVIDUALS
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2013, Vol 2, Issue 35
Abstract
[b] BACKGROUND AND AIM[/b]: The present day global phenomenon of obesity among all age groups is causing multiple health-related issues increasing both mortality and morbidity. Functions of many organs of the body are compromised by obesity predominantly heart, liver and lungs, reducing quality of life in apparently healthy individuals. Respiratory complications form an important part of many clinical situations occurring in obese patients. Many studies have linked obstructive sleep apnoea, asthma and hypoxemia with obesity although the underlying mechanisms have not been clearly understood. [b]MATERIAL AND METHODS[/b]: In this study the effect of obesity on pulmonary functions was observed in a group of adult male and female volunteers (obese and Non-Obese). Body mass index was used as index of obesity. Pulmonary function parameters used were Forced Vital capacity (FVC) (L), Forced Expiratory Volume in one second (FEV1) (L) and Peak Expiratory Flow Rate (PEFR) (L/sec). 100 adult volunteers of both the sexes, aged 25-40 yrs were randomly selected and divided into two groups based on their body mass index (BMI) - obese (BMI>30 Kg/m2) and non- obese (BMI<25 Kg/m2). Anthropometric measurements were taken and spirometric parameters were assessed following ATS protocol. [b]STATISTICAL ANALYSIS[/b]: Was done using Z-test and the percentage of change in lung functions between the obese and non-obese groups in both males and females were calculated. RESULTS: The parameters FVC, FEV1 and PEFR were significantly lower (P=<0.001) in the obese group when compared to the non-obese group in both males and females. But the percentage of reduction in the values was more obvious in males than in the females. [b]CONCLUSION[/b]: The present study showed that increase in the BMI has negative effect on the lung functions and that effect is more apparent in males when compared to females.
Authors and Affiliations
Srinivas C. H, Madhavi Latha, Surya Kumari , Surendranath Y
Keywords
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