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Original Article
Validation of a new Japanese classification for predicting severe bronchopulmonary dysplasia in preterm infants
Masato Ito, Shinya Hirano, Fumihiko Namba
Background: Bronchopulmonary dysplasia (BPD) is the most prevalent chronic lung disease in very preterm infants; however, conventional classifications have limited ability to predict severity before 36 weeks' postmenstrual age (PMA). A new Japanese classification, based on small for gestational age (SGA), bubbly/cystic chest radiographic findings, and chorioamnionitis (CAM), was proposed to enable earlier risk stratification. However, its validation in homogeneous cohorts is warranted.
Purpose: This study aimed to examine...


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