An Overview of Chronic Obstructive Pulmonary Disease (COPD): Epidemiology and Pathogenesis
Background: Chronic Obstructive Pulmonary Disease (COPD) is one of the most common chronic respiratory diseases which contribute significantly to the burden of non-communicable diseases. With the increasing prevalence of COPD in developing countries a good knowledge of disease burden and process is essential.
Methods: Review of the available literature on the subject was done through Medline and Google search utilising the following keywords COPD; epidemiology; pathogenesis and management.
Result: COPD which is increasing in prevalence has varied pathogenetic mechanisms which are influenced by both intrinsic and extrinsic environmental promoters.
Conclusion: The prevalence of COPD is increasing especially in developing countries. The pathogenesis is multifactorial and current understanding provides insights that are expected to improve on treatment and outcome.
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