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Copyright ©ERS Journals Ltd 2001
Bacteria, antibiotics and COPD
1 Royal Brompton Hospital and 2 Imperial College of Science, Technology and Medicine at National Heart and Lung Institute, London, UK
CORRESPONDENCE: R. Wilson, National Heart and Lung Institute, Emmanuel Kaye Building, Manresa Road, London, UK. Fax: 44 2073518338
Keywords: Antibiotic resistance, antibiotics, chronic obstructive pulmonary disease, pulmonary infections.
Received: September 21, 2000
Accepted October 3, 2000
Abstract
Bacterial infection is one of several important causes of exacerbations of chronic obstructive pulmonary disease (COPD) that may coexist. COPD is a heterogeneous condition and the incidence of bacterial infection is not uniform; mucus hypersecretion may be an important risk factor.
The bacteriology of infections varies depending on the severity of the underlying airway disease. There is now a much better understanding of the pathogenesis of bacterial infections of the respiratory mucosa. Lower airway bacterial colonization may be a stimulus for chronic inflammation and may influence the interval between exacerbations.
Antibiotic resistance has increased in all the major pathogens. Antibiotics are an important part of the treatment of acute exacerbations of COPD and the decision about whether to give an antibiotic can be made on clinical grounds. It is more difficult to decide, on the available evidence, whether patient characteristics and the risk of antibiotic resistance should influence choice of empiric antibiotic treatment.
Most new antibiotics are modifications of existing structures, suggesting that every effort should be made to conserve the sensitivity of current antibiotics by using them appropriately.
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