Pulmonary Function Studies in Healthy Male Students of Kolkata
Journal name: The Malaysian Journal of Medical Sciences
Original article title: Pulmonary Function Studies of Healthy Non-smoking Male University Students of Kolkata, India — Revisited
The Malaysian Journal of Medical Sciences (MJMS) is a peer-reviewed, open-access journal published online at least six times a year. It covers all aspects of medical sciences and prioritizes high-quality research.
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Amit Bandyopadhyay, Ishita Bhattacharjee, Rishna Dalui, Sangita Pal
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The Malaysian Journal of Medical Sciences:
(A peer-reviewed, open-access journal)
Full text available for: Pulmonary Function Studies of Healthy Non-smoking Male University Students of Kolkata, India — Revisited
Year: 2013
Copyright (license): CC BY 4.0
Summary of article contents:
Introduction
Pulmonary function tests (PFTs) have transitioned from mere physiological research tools to critical clinical instruments for assessing respiratory health and diagnosing respiratory conditions. These tests gauge the effectiveness of an individual's lung function, providing essential data for clinical decisions. Although reference values for these tests have been established across various populations, it is vital to re-evaluate these norms, especially in light of significant changes in socioeconomic status, physical activity, and environmental factors that can affect pulmonary health. This research focused on examining the applicability of existing PFT norms for young, healthy, non-smoking male university students in Kolkata, India, especially given concerns about whether historical norms remain valid in a changing demographic context.
Trends in Pulmonary Function Measurements
The study revealed that certain pulmonary function parameters, specifically forced expiratory volume in 1 second (FEV₁%) and peak expiratory flow rate (PEFR), exhibited notable improvements over the past 24 years when compared to previous findings. Factors such as body height and age demonstrated strong correlations with various pulmonary function measurements, suggesting that these characteristics play significant roles in lung capacity and performance. Regression equations developed from the current study provided more precise predictions of lung function parameters than those from earlier studies. This indicates a noteworthy shift in lung function metrics among the studied population, attributable to changes in lifestyle, nutrition, and environmental exposure due to rapid urbanization and economic expansion in India.
Conclusion
In summary, the research indicates that the pulmonary function of young men in Kolkata remains predominantly within normal limits, although there have been improvements in specific metrics like FEV₁% and PEFR. The regression equations derived from this study can replace older norms, providing a more accurate means of predicting lung function specific to this community. This underscores the necessity for ongoing research to adapt lung function guidelines to reflect contemporary health profiles, ensuring they remain relevant and applicable for future clinical assessments and interventions in similar populations.
FAQ section (important questions/answers):
What was the aim of the study on pulmonary function tests?
The study aimed to evaluate the applicability of existing norms for pulmonary function tests (PFTs) in young healthy non-smoking male university students in Kolkata, considering the socioeconomic and environmental changes over the past few decades.
How were the subjects for the study selected?
Eighty-seven non-smoking male university students, aged 19–24 years, were randomly sampled from the University of Calcutta. Those with respiratory diseases or who exercised regularly were excluded, ensuring a homogenous sample for the study.
What were the key findings regarding pulmonary function measurements?
The study found that FEV1% and PEFR values showed significant improvement compared to previous studies. However, other parameters remained largely unchanged, indicating that pulmonary function among Kolkata university students has remained consistent over the last 24 years.
What implications does the study have for pulmonary function norms?
The derived regression equations for predicting pulmonary function parameters are preferable due to their smaller standard error of estimate compared to previous norms, making them more accurate for assessing lung function in this population.
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