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| bronchopulmonary dysplasia ： ウィキペディア英語版 |
bronchopulmonary dysplasia
Bronchopulmonary dysplasia (BPD; formerly chronic lung disease of infancy) is a chronic lung disorder of infants and children first described in 1967. It is more common in infants with low birth weight and those who receive prolonged mechanical ventilation to treat respiratory distress syndrome (RDS). It results in significant morbidity and mortality. The definition of BPD has continued to evolve since then primarily due to changes in the population, such as more survivors at earlier gestational ages, and improved neonatal management including surfactant, antenatal glucocorticoid therapy, and less aggressive mechanical ventilation.
Currently the description of BPD includes the grading of its severity into mild, moderate and severe. This correlates with the infant's maturity, growth and overall severity of illness. The new system offers a better description of underlying pulmonary disease and its severity.
== Diagnosis ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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