What these tiny sacs in the lungs do and conditions that can affect them Medically reviewed by Susan Russell, MD Alveoli are ...

Patients with chronic obstructive pulmonary disease (COPD) may develop pulmonary hypertension because of pulmonary vasoconstriction secondary to alveolar hypoxia with additional vasoconstriction ...

either at the level of the alveoli or the muscle microvasculature. In the lung, the ability to maintain arterial oxyhaemoglobin saturation (SaO 2) appears to be a primary factor, ultimately ...