Simple clinical definition without severity classification |
|
Formal definitions that include severity classification |
The definitions below require that:
|
2019 severity classification (Jensen definition)[1] |
Severity is determined by the mode of respiratory support required at 36 weeks PMA, regardless of FiO2:
|
2018 severity classification (revised NICHD definition)[2] |
Severity is determined by the mode of respiratory support and FiO2 required at 36 weeks PMA:
|
NICHD: National Institute of Child Health and Human Development; GA: gestational age; PMA: postmenstrual age; CPAP: continuous airway pressure; NIPPV: noninvasive intermittent positive pressure ventilation; HFNC: high-flow nasal cannula; FiO2: fraction of inspired oxygen; O2: oxygen.
* The definition of severe BPD according to the NICHD 2016 revised definition also includes grade III(A), defined as early death (between 14 days of postnatal age and 36 weeks) owing to persistent parenchymal lung disease and respiratory failure that cannot be attributable to other neonatal morbidities (eg, necrotizing enterocolitis, intraventricular hemorrhage, redirection of care, episodes of sepsis, etc).Do you want to add Medilib to your home screen?