PMID: 7938921Dec 1, 1993Paper

Pro: antibiotics for chronic bronchitis with exacerbations

Seminars in Respiratory Infections
C M Isada

Abstract

Over the years, there has emerged a considerable body of evidence supporting the importance of antimicrobial therapy in exacerbations of chronic bronchitis. The following lines of evidence suggest that most acute exacerbations are caused by bacterial infection: (1) the individual with chronic bronchitis is susceptible to bacterial infection as a consequence of local damage from prolonged cigarette smoking; (2) subtle defects in the local immune system can be shown, including impaired particle transport, defective immunoglobulin A production, chronic mucous impaction, and defective neutrophil phagocytosis; (3) acute bronchitic exacerbations are associated with a proliferation of pathogenic bacteria in the lower respiratory tract, based on quantitative culture data obtained by bronchoscopy with a protected specimen brush; (4) viral respiratory infections, which were once linked to over 50% of purulent exacerbations, probably account for only a minority of bronchitic exacerbations; (5) some "culture negative" exacerbations may be caused by bacteria susceptible to antibiotics such as Mycoplasma pneumoniae or Chlamydia pneumoniae. There are also secondary effects of bacteria that are potentially amenable to antibiotic therapy. Bacte...Continue Reading

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