Impact of Acute Exacerbations of Chronic Bronchitis
نویسنده
چکیده
the broader category of chronic obstructive pulmonary disease (COPD), which is characterized by a chronic, predominantly irreversible reduction in maximal airflow velocity. Chronic bronchitis, emphysema, asthma, and to a lesser extent bronchiectasis comprise the majority of COPD (Figure 1). Chronic bronchitis is a disease process identified clinically as the presence of a productive cough on most days of the month for 3 months over 2 consecutive years. It occurs in the absence of other causes of chronic cough such as tuberculosis or lung cancer. An acute exacerbation of chronic bronchitis (AECB) is a distinct event superimposed on chronic bronchitis and is characterized by a period of unstable lung function with worsening airflow and other symptoms. The average number of episodes of AECB per year is reported to range from 1.5 to 3.
منابع مشابه
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1 Dimopoulos G, Siempos II, Korbila IP, et al. Comparison of first-line with second-line antibiotics for acute exacerbations of chronic bronchitis: a meta-analysis of randomized controlled trials. Chest 2007; 132:447–455 2 Wood-Baker RR, Gibson PG, Hannay M, et al. Systemic corticosteroids for acute exacerbations of chronic obstructive pulmonary disease. Cochrane Database Syst Rev 2005; 1:CD001...
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