Bronchiectasis is a chronic lung condition, defined by the abnormal dilatation (widening) of the bronchi, where the elastic and muscular tissue is altered by acute or chronic inflammation and infection. These changes impair the natural drainage of mucus within the lungs, which can become chronically infected. Unless well managed, the combination of inflammation and infection leads to progressive lung damage.
This video gives an outline of the key features of bronchiectasis: https://lungfoundation.com.au/resources/understanding-bronchiectasis/
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