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The number of eosinophils in the sputum samples of non-asthmatic eosinophilic bronchitis patients are similar to those of patients with asthma. In the sputum samples of those with NAEB, histamine and prostaglandin D2 is increased. This suggests that the superficial airways have significant mast cell activation and this may lead to the differing ...
When chronic bronchitis occurs together with decreased airflow it is known as chronic obstructive pulmonary disease (COPD). [27] [26] Many people with chronic bronchitis have COPD; however, most people with COPD do not also have chronic bronchitis. [10] [28] Estimates of the number of people with COPD who have chronic bronchitis are 7–40%.
Plastic bronchitis (PB) is a disorder in which branching casts of the airways -- i.e., accumulations of fluid or tissue that are molded in the shape of the airway -- are expectorated. PB is not a single disease with a defined mechanism that explains the cast formation in all conditions.
Bronchial hyperresponsiveness is a hallmark of asthma but also occurs frequently in people with chronic obstructive pulmonary disease (COPD). [2] In the Lung Health Study, bronchial hyperresponsiveness was present in approximately two-thirds of patients with non-severe COPD, and this predicted lung function decline independently of other ...
Additionally, bronchitis is described as either acute or chronic depending on its presentation and is also further described by the causative agent. Acute bronchitis can be defined as acute bacterial or viral infection of the larger airways in healthy patients with no history of recurrent disease. [ 8 ]
Acute bronchitis; Other names: Chest cold: Figure A shows the location of the lungs and bronchial tubes. Figure B is an enlarged view of a normal bronchial tube. Figure C is an enlarged view of a bronchial tube with bronchitis. Specialty: Pulmonology: Symptoms: Cough with sputum, wheezing, shortness of breath, fever, chest discomfort [1] [2 ...
A population-based incident case-control study in a geographically defined area of Finland reported that 35.8% of new-onset asthma cases had experienced acute bronchitis or pneumonia in the year preceding asthma onset, representing a significantly higher risk compared to randomly selected controls (odds ratio 7.2, 95% confidence interval 5.2–10).
Research by sports scientist John Dickinson found that 70 percent of UK-based members of the British swimming team had some form of asthma, as did a third of Team Sky cyclists, compared to a national asthma rate of eight to ten percent, [24] whilst a study by the United States Olympic Committee in 2000 found that half of cross-country skiers ...