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Atypical chronic lung disease patterns in neonates.
L Charafeddine1, C T D'Angio, D L Phelps
1Department of Pediatrics, Division of Neonatology, University of Rochester School of Medicine, Children's Hospital at Strong, Rochester, New York 14642, USA.
Pediatrics
|April 2, 1999
Summary
Atypical chronic lung disease (CLD) affects 15% of premature infants, appearing less severe than classic bronchopulmonary dysplasia (BPD). Initial lung injury isn't the only cause of neonatal CLD.
Area of Science:
- Neonatology
- Pediatric Pulmonology
- Critical Care Medicine
Background:
- Bronchopulmonary dysplasia (BPD) is a common complication in premature infants.
- The post-surfactant era has seen shifts in the presentation and incidence of BPD.
- Understanding atypical forms of chronic lung disease (CLD) is crucial for comprehensive neonatal care.
Purpose of the Study:
- To investigate the incidence and clinical features of atypical CLD compared to classic BPD.
- To analyze these conditions in premature infants with birth weights under 1251 grams in the current therapeutic landscape.
Main Methods:
- Retrospective cohort study design.
- Inclusion of 232 premature infants (<1251 g birth weight) admitted to a level III/IV regional NICU.
- Assessment of incidence for both classic BPD and atypical CLD, defined by onset relative to respiratory distress.
Main Results:
- Among 177 survivors to 28 days, 15% had atypical CLD and 34.5% had classic BPD.
- Infants with atypical CLD were significantly heavier and more mature than those with classic BPD.
- Atypical CLD cases showed shorter median durations of ventilator and oxygen support compared to classic BPD.
Conclusions:
- Atypical CLD constituted 31% of all CLD cases.
- Atypical CLD appears to be a less severe clinical entity than classic BPD.
- Neonatal CLD may arise from factors beyond initial acute lung injury.