Effect of prolonged oxygen therapy is -
More severe problems can include: Lung damage.(Atelectasis) Fluid buildup or bursting (rupture) of the middle ear. Sinus damage. Changes in vision, causing nearsightedness, or myopia. Oxygen poisoning, which can cause lung failure, fluid in the lungs, or seizures Ref Davidson 23rd edition pg 545
a) Endothelial damage
Increased pulmonary compliance
Atelectasis
Decreased vital capacity
Miscellaneous