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Bronchopulmonary dysplasia: changes in pathogenesis, epidemiology and definition
Eduardo Bancalari1, Nelson Claure, Ilene R S Sosenko
1Division of Neonatology, Department of Pediatrics, Jackson Memorial Medical Center, University of Miami School of Medicine, 33101, Miami, FL, USA. ebancalari@miami.edu
Seminars in Neonatology : SN
|April 2, 2003
Summary
Bronchopulmonary dysplasia (BPD) is a common complication of preterm birth, with milder current presentations. This article discusses limitations in diagnostic criteria, which affect reported incidence rates.
Area of Science:
- Neonatology
- Pediatric Pulmonology
- Perinatal Medicine
Background:
- Bronchopulmonary dysplasia (BPD) remains a significant long-term complication in preterm infants.
- Improved survival rates in extremely premature infants are associated with an increasing incidence of BPD.
- Contemporary BPD presents with milder symptoms compared to historical descriptions.
Purpose of the Study:
- To analyze the evolving clinical presentation of Bronchopulmonary dysplasia.
- To highlight the impact of various diagnostic definitions on reported BPD incidence.
- To discuss limitations in current BPD diagnostic criteria.
Main Methods:
- Review of historical and current literature on Bronchopulmonary dysplasia.
- Analysis of factors contributing to contemporary BPD.
- Discussion of diagnostic criteria and their limitations.
Main Results:
- Modern BPD is linked to immaturity, inflammation, and disrupted development, differing from classic BPD's causes (mechanical injury, oxygen toxicity).
- Multiple definitions of BPD exist, primarily based on oxygen requirement duration.
- Discrepancies in definitions lead to significant variations in reported BPD incidence.
Conclusions:
- The definition and diagnosis of Bronchopulmonary dysplasia require careful consideration due to varying criteria.
- Understanding these limitations is crucial for accurate BPD research and clinical management.
- Further standardization of diagnostic criteria may improve consistency in BPD reporting.