Chronic obstructive pulmonary disease (COPD) is a group of disorderscharacterized by a poorly reversible limitation of airflow thatis usually progressive and associated with a persistent inflammatoryresponse of the lungs. It is caused by at least three distinctpathologic processes that may occur separately or concurrently(chronic bronchitis accompanied by the hypersecretion of mucus;the destruction of alveolar walls, which causes emphysema; andchronic asthma).
Treating COPD is challenging. However, clinical studies of asthmahave found that regular treatment with an inhaled glucocorticoidis effective in reducing symptoms and the frequency of exacerbationsand in improving pulmonary function.1. . . [Full Text of this Article]
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