CORRELATION STUDY OF BODY MASS INDEX AND SEVERITY OF COPD
A. Viknswari*, T. Tamizh Mani, Sini Joseph, V. J. Divya and Rajesh Singh Bista
ABSTRACT
The body mass index (BMI) is a prognostic factor for chronic obstructive pulmonary disease (COPD). Chronic obstructive pulmonary disease (COPD) has been redefined to indicate that, apart from the deleterious effects on the lungs, the disease is associated with clinically relevant extrapulmonary manifestations. Among the most extensively studied systemic features is unexplained weight loss, alterations in the body mass index (BMI) and in body composition. BMI has also been identified as an independent prognostic factor for COPD, with a clear association between decreased BMI and increased mortality, both in clinical patient series and in subjects from a population sample. Spirometry measurements can be used to define COPD, specifically the forced expiratory volume in the first second (FEV1), and the FEV1 to forced vital capacity (FVC) ratio. Hence a prospective and randomised study was conducted measuring B.M.I and FEV1 values from COPD patients. 94 patients were accessed for their BMI measurement. Among 94 patients 42 were found undernourished (44.68%) and 8 male and 1 female was found obese. The assessment of COPD based on FEV1 was done using a spirometer and following data were obtained. A total of 41.17% patients were found as mild, 30.88% of patients as moderate and 27.94% as severe. A correlation study was done on both FEV1 and B.M.I among the patients and an association was found i.e. with the decrease in the B.M.I there was an increase in severity of COPD condition.
Keywords: COPD, BMI, FEV1.
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