期刊
JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE
卷 25, 期 -, 页码 15-20出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/14767058.2012.712352
关键词
Bronchopulmonary dysplasia; corticosteroids; pulmonary hypertension; severe; treatment; ventilation
Advances in neonatal intensive care have markedly improved survival rates for infants born at a very early lung development stage (<26 weeks gestation). In these premature infants, even low inspired oxygen concentrations and gentle ventilatory methods may disrupt distal lung growth, a condition described as new bronchopulmonary dysplasia (BPD). BPD usually develops into a mild form, with only few infants requiring ventilator support and oxygen supplementation at 36 weeks post-conception. No magic bullets exist for treating infants with established severe BPD. Current management of the disease aims at maintaining an adequate gas exchange while promoting optimal lung growth. Prolonged oxygen therapy and ventilator support through nasal cannulae or a tracheotomy are often required to maintain blood gases. Short-course, low-dose corticosteroids may improve lung function and accelerate weaning from oxygen and mechanical ventilation. Pulmonary hypertension is a major complication in infants with severe BPD. Pulmonary vasodilators, such as sildenafil followed by bosentan, may improve the oxygenation and pulmonary outcome.
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