Emphysema is a lung disease that damages the air sacs, making it difficult to breathe, especially during physical activity. Smoking is the primary cause of emphysema, but exposure to irritants, ...

Emphysematous changes refer to changes that may occur in the lungs as emphysema progresses and are visible on a CT scan. This may include changes in location or the type of damage in the lungs due to ...

Paraseptal emphysema (PSE) is a type of pulmonary emphysema. In PSE, the outermost parts of the lungs fill with enlarged air spaces. This can cause breathing difficulties and other respiratory ...

Emphysema is a disease that makes it hard for you to catch your breath. Stage 4 means your emphysema is advanced and that your breathing is very severely affected. At this stage, smoking or other ...

Emphysema is a type of chronic obstructive pulmonary disease (COPD) that affects approximately 3 million people in the United States. While smoking is considered the most common cause, some people may ...

Hyperinflation refers to the lung’s increase in size due to the trapped air that has caused them to expand. The BREATHE-3 trial uses self-expanding nitinol airway scaffolds that are placed ...

Endobronchial valves that allow air to escape from a pulmonary lobe but not enter it can induce a reduction in lobar volume that may thereby improve lung function and exercise tolerance in patients ...