Bronchopulmonary Dysplasia

>Also known as chronic lung disease >Significant risk of mortality and long-term morbidity >Definition – “Old” versus “new” BPD.

i. “New BPD” = initially described as the need for supplemental oxygen at or beyond 36 weeks’ postmenstrual age; further classified as: (a) Mild – Period of oxygen requirement of at least 28 days, but on room air by 36 weeks’ postmenstrual age (b) Moderate – Continued oxygen requirement with a fraction of inspired oxygen (Fio2) less than 30% (c) Severe – Continued oxygen requirement with an Fio2 of at least 30% or any form of positive pressure ventilation or CPAP ii. Radiographic findings: Homogeneous, diffuse lung parenchymal disease with fewer and larger alveolar spaces, decreased vascularization, and decreased surface area.