It occurs when there is a distension in the alveolar walls, causing a reduction in the number of alveoli and a loss of oxygen exchange capacity.

As a result, the alveoli lose their elasticity, which causes a narrowing of the airway, increasing the residual volume, i.e., there is a volume of air that remains in the lung despite maximum forced expiration.


Breathing is difficult and the most common symptom is dyspnea.

Respiratory physiotherapy helps to achieve a little more elasticity, ventilatory capacity and improve gas exchange, decreasing dyspnea.

But we must say, that respiratory physiotherapy will not cure the disease because it is a chronic disease, we can only improve the patient’s quality of life.

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