In their description of the changes seen in the bronchograms of patients with chronic bronchitis, Simon and Galbraith (1953) described the absence of peripheral filling as the most frequent change in the lung periphery and also the presence of " pools," the name applied to dense blobs of contrast medium, 3-5 mm. in diameter, which arise from the peripheral part of the bronchial tree. The presen...

Acute exacerbations of chronic bronchitis are one of the major public health challenges. New data suggest that they will remain so for many years. Although the role of bacteria in the initiation and maintenance of bronchial inflammation, both during and between exacerbations, is well recognized, studies of the long-term effects of therapy are few and inadequate, and the nature of the relationsh...

Communication_s for this’ section will be 1.mublished as cpa-we and p7lOlltU’S permit. The c(nnmenmts s/mould mt exceed .3.50 words in lengtlm , urit!m a maximum office refrrences; one figure or table can be printed. Exceptions may occur under particular circumstances. Contributions may include comnmnents on articles published in tlzi.s periodical, or they may be WJX) S of unique educational ch...

BACKGROUND Chronic obstructive pulmonary disease (COPD) is a heterogeneous disease characterized by a combination of 3 different disorders, namely chronic asthma, chronic bronchitis and pulmonary emphysema, sometimes simultaneously present in the same subject. OBJECTIVES The aim of our study was to compare sputum inflammatory markers in patients with different phenotypes of chronic airway obs...