Критерії діагностики бронхолегеневої дисплазії Національного інституту здоров'я дитини та людського розвитку*

< 32 Weeks Gestational Age†

≥ 32 Weeks Gestational Age‡

Diagnosis

Breathing room air at 36 weeks PMA or discharge, whichever comes first

Breathing room air by 56 days postnatal age or discharge, whichever comes first

Mild BPD

Need for < 30% oxygen at 36 weeks PMA or discharge, whichever comes first

Need for < 30% oxygen at 56 days postnatal age or discharge, whichever comes first

Moderate BPD

Need for ≥ 30% oxygen, positive pressure, or both at 35 weeks PMA or discharge, whichever comes first

Need for 30% oxygen, positive pressure, or both at 56 days postnatal age or discharge, whichever comes first

Severe BPD

* These criteria are in addition to the baseline diagnostic requirement of needing> 21% oxygen for at least 28 days or continued need for supplemental oxygen at ≥ 36 weeks PMA.

† Assessed at 36 weeks PMA.

‡ Assessed at age 29 to 55 days.

BPD = bronchopulmonary dysplasia; PMA = postmenstrual age (gestational age plus chronological age (in weeks)).