Chronic lung disease is a term which is used to describe long-term breathing problems that occur in premature babies. It is also called as bronchopulmonary dysplasia (BPD).
Premature babies very frequently need assisted ventilation and oxygen support as they are their lungs are immature and cannot maintain the oxygenation levels. Ventilator use and high concentrations of oxygen, may result in damaging the lungs in premature babies.
There can be various reasons like:
Prematurity itself as we have already discussed a risk factor for chronic lung disease. The factors which increase the chances of a lung injury in these babies are: