All of following are causes of bronchopulmonary dysplasia except -
Ans. is 'b' i.e., Theophylline use Bronchopulmonary dysplasia (BPD1 o BPD is a result of lung injury in infants requiring mechanical ventilation and supplemental oxygen. o Most of the children with BPD are premature and have hyaline membrane disease. But, BPD can also occur in full term newborns with meconium aspiration or persistent pulmonary hypeension. Pathogenesis o The premature lung makes insufficient functional surfantant and the antioxidant defence mechanisms are not sufficiently mature to protect the lung from the toxic oxygen metabolites generated from oxygen therapy.
Oxygen toxicity
Theophyline use
Traumatic damage to lungs
Pulmonary odema due to capillary damage