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Published on: October 31, 2025
Developmental sequelae in preterm infants having a diagnosis of bronchopulmonary dysplasia: analysis using a
Elizabeth J Short1, H Lester Kirchner, George R Asaad
1Department of Psychology, Case Western Reserve University, Cleveland, Ohio 44106, USA. Elizabeth.Short@case.edu
Insights
Bronchopulmonary dysplasia (BPD) severity impacts neurocognitive outcomes. Severe BPD is linked to poorer cognitive function and increased educational interventions in children.
Area of Science:
- Pediatric Pulmonology
- Neurodevelopmental Pediatrics
- Neonatal Medicine
Background:
- Bronchopulmonary dysplasia (BPD) is a chronic lung disease affecting premature infants.
- Understanding the long-term neurodevelopmental consequences of BPD is crucial for patient care.
- Previous studies have explored BPD's impact, but a clear link between severity and neurocognitive outcomes requires further investigation.
Purpose of the Study:
- To examine the association between BPD severity, treatment choices, and neurocognitive development at ages 3 and 8 years.
- To categorize BPD into mild, moderate, and severe groups based on clinical criteria.
- To compare developmental outcomes across these severity strata.
Main Methods:
- Secondary analysis of a prospective, longitudinal cohort of 99 children with a history of BPD.
- Children were assessed at 3 and 8 years of age.
- BPD severity was defined by gestational age and oxygen requirement; neurocognitive outcomes included IQ, language, and achievement measures.
Main Results:
- Children with severe BPD demonstrated significantly poorer performance on cognitive and language assessments at both 3 and 8 years compared to those with mild or moderate BPD.
- No association was found between BPD severity and medical management choices.
- Children with severe BPD received more special education services, indicating a need for tailored educational support.
Conclusions:
- A severity-based classification of BPD effectively predicts neurocognitive sequelae.
- Children with severe BPD experience more significant developmental challenges and require greater intervention.
- These findings underscore the importance of early identification and management of BPD severity to optimize long-term outcomes.
Objective:
To investigate the relationship between the severity-based definition of bronchopulmonary dysplasia (BPD), choice of treatment, and neurocognitive outcomes at age 3 and 8 years.
Design:
This is a secondary analysis of data collected from a prospective, longitudinal sample of 99 children with a history of BPD.
Setting:
Children born with BPD admitted to 3 hospitals from February 1, 1989, to November 31, 1991.
Participants:
Ninety-nine children with BPD were longitudinally assessed at age 3 and 8 years. Three severity groups (mild, moderate, and severe) were formed based on gestational age and need for supplemental oxygen therapy.
Main Exposures:
Supplemental oxygen therapy for 28 days or longer, birth weight less than 1500 g, and radiographic evidence of lung disease.
Main Outcome Measures:
Neurologic and medical outcomes; type of medical management; and language, achievement, and cognitive functioning were compared among the 3 severity groups.
Results:
Severity classification of BPD was associated with poorer outcomes. Compared with children with mild or moderate BPD, children with severe BPD performed more poorly on IQ tests (Mental Development Index, 90 vs 76.4; and Psychomotor Development Index, 92.5 vs 73.9) and language measures (total, 95 vs 82) at age 3 years and performance IQ (86 vs 75) and perceptual organization (86 vs 76) at age 8 years. Severity of BPD was not associated with choice of medical management but was related to educational interventions. Children with severe BPD received more special education services (69% vs 44%) than did children with mild BPD.
Conclusions:
The severity-based classification clarifies the relationship between BPD and developmental sequelae. Children with severe BPD required more interventions at age 8 years than did children with mild or moderate BPD.
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