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Bronchiolitis obliterans when it occurs following a lung transplant is known as bronchiolitis obliterans syndrome (BOS). [11] [4] BOS is defined as a person who has had either a HSCT or lung transplant and develops symptoms or radiographic findings consistent with bronchiolitis obliterans, but has not been confirmed by biopsy. [22] [44]
Cryptogenic organizing pneumonia (COP), formerly known as bronchiolitis obliterans organizing pneumonia (BOOP), is an inflammation of the bronchioles (bronchiolitis) and surrounding tissue in the lungs. [2] [3] It is a form of idiopathic interstitial pneumonia. [4]
Swyer–James syndrome is a manifestation of postinfectious obliterative bronchiolitis. [2] In SJS, the involved lung or portion of the lung does not grow normally and is slightly smaller than the opposite lung. [3]
Chronic bronchiolitis is more common in adults and has various causes, one of which is bronchiolitis obliterans. [ 5 ] [ 6 ] Often when people refer to bronchiolitis, they are referring to acute bronchiolitis in children.
Prognosis is related to the underlying disorder and the type and severity of lung disease. In severe cases, lung transplantation can be considered. This is more common in cases of bronchiolitis obliterans, pulmonary fibrosis, or pulmonary hypertension. Most complications are not fatal, but does reduce life expectancy to an estimated 5 to 10 ...
Air trapping, also called gas trapping, is an abnormal retention of air in the lungs where it is difficult to exhale completely. [1] It is observed in obstructive lung diseases such as asthma, bronchiolitis obliterans syndrome and chronic obstructive pulmonary diseases such as emphysema and chronic bronchitis.
IHME noted that life expectancy gains nationwide are not keeping pace with other countries. The US’ global ranking is expected to decline to 66th in 2050 among 204 countries and territories.
In a case where gaseous exchange is impaired, mechanical ventilation and intubation may be necessary and if bronchiolitis obliterans develop within 2 to 6 weeks of nitrogen dioxide exposure, corticosteroid therapy or anticholinergic medications may be required for 6 to 12 months to lower the body overreaction to nitrogen dioxide gas. [20]