Background: Obesity has become a global epidemic. The prevalence and severity of obesity in young adult females are dramatically increasing worldwide. Along with other organs, respiratory system is also compromised. Obesity is likely the cause of pulmonary function decline which is linked to early morbidity and mortality. The maximum voluntary ventilation (MVV) test evaluates the respiratory endurance and is influenced by the respiratory muscle strength, the lung and chest compliance, and the control of breathing and airway resistance. In the case of obese individuals, this variable is reduced mainly by mechanical injury to the respiratory muscles, caused in particular by the excessive weight on the thorax. Hence, this study was done to know the impact of obesity on MVV in adult females. Aims and Objectives: The purpose of this study was to compare the pulmonary function test (PFT) parameter in obese adult females and non-obese adult female patient and to evaluate the impact of obesity on MVV. Materials and Methods: PFTs of 50 normal, healthy, non-obese females and 50 healthy but obese females, age group 18-30 years of Hubli city were determined and were compared. Criteria for obesity in our study taken were according to the WHO criteria of body mass index. The PFT was carried out with computerized Spirometer Eazy on-PC model. MVV parameter was used as a measure of lung function. Results: In our study, obese females had MVV (liters) of 58 ± 12.2, whereas corresponding values in controls was 87 ± 66. There was statistically highly significant difference between two groups (P < 0.01). There was statistically significant lower MVV in the obese group than the non-obese group (P < 0.01). Conclusion: In our study, MVV was significantly reduced in obese females compared to non-obese female. These data demonstrate MVV of obese adult females were significantly reduced when compared to the normal weight counterparts. Obesity had a significant impact on MVV parameter.
Objectives: The aim of the study was to validate the utility of neck circumference (NC) as an anthropometric measure of the central obesity and its correlation with body mass index (BMI) and waist circumference (WC). The aim of the study was to determine age and gender specific NC cutoffs for screening central obesity. Materials and Methods: This descriptive study was conducted in 1139 children and adolescents aged 6–17 years. NC, WC, and BMI were measured. To define overweight and obesity in children, the 23rd and 27th adult equivalent lines for BMI as presented in the revised Indian Academy of Pediatrics growth charts were used. Results: Overweight and obese children had significantly higher NC than those with normal BMI (p<0.001). NC showed a positive correlation with both WC and BMI (p<0.001). In children aged <12 years, NC cutoff for screening obesity was 26.5 cm in both boys (sensitivity 83.3% and specificity 71.7%) and girls (81.4% and 70.5%). The area under the curve for NC was greater than that of WC in both boys (0.86 vs. 0.76) and girls (0.82 vs. 0.66). In children aged 12–17 years, NC cutoff values were 34 cm in boys (sensitivity 83.33% and specificity 75.60%) and 31 cm in girls (94.34% and 83.29%). The area under curve for WC was greater than that of NC in boys (0.94 vs. 0.88) and almost similar in girls (0.96 vs. 0.95). Conclusions: NC can accurately identify children with a high BMI. It is a better anthropometric measure than WC in identifying prepubertal children with central obesity. In children aged 12–17 years, it can be considered a good alternative for screening central obesity.
Introduction:Obesity can cause various health hazards in women in many ways. Overweight or being obese is associated with various risk factors like diabetes and coronary artery disease in women. The incidence of obesity is increasing worldwide. Obesity can cause alteration in pulmonary function which may lead to early morbidity and mortality. FEF 25%-75% is one of the most effort independent portion of the curve, more sensitive parameter to airflow in peripheral airways, where disease of chronic airflow obstruction can begin. Reduced Expiratory Flow rate value in obese individuals may be probably due to increase in the total peripheral resistance and airway resistance with obesity. Hence the present study was undertaken to know the impact of obesity on Forced Expiratory Flow rate25%-75% in middle aged obese females. Aims and Objectives: The present study was conducted ` to compare Pulmonary function test parameter FEF 25%-75% in middle aged obese and non-obese females, to determine the impact of obesity on FEF25%-75%. Materials and Methods: Dynamic Pulmonary Function tests (PFTs) of 50 normal, healthy, non-obese middle aged females and 50 healthy but obese middle aged females, age group 30-45 years of Hubli city were determined and were compared with its normal counterparts. Study subjects were classified into obese and non-obese based on WHO classification of BMI. To obtain the dynamic pulmonary function test computerized Spirometer Eazy on-PC model were used. Dynamic PFT parameter FEF25%-75%was used as measure of lung function. Results: In our Study conducted, middle aged obese females had FEF25%-75% (litre) of 2.53± 0.85 compared to corresponding values in controls were 2.77±1.06.Our study showed statistically significant differences between two groups. Conclusion: In our study Dynamic pulmonary function test parameter FEF25%-75% showed statistically significant reduction in obese compared to non-obese middle aged females.
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