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Pathology of the lung in the fetus and neonate, with particular reference to problems of growth and maturation
Insights
This review covers major perinatal lung pathologies, focusing on growth and maturation issues like lung hypoplasia. It also discusses complications from improved perinatal care, such as bronchopulmonary dysplasia, and other newborn lung conditions.
Area of Science:
- Perinatal Medicine
- Pulmonary Pathology
- Neonatology
Background:
- Lung development and maturation are critical during the perinatal period.
- Various pathological processes can affect the newborn lung.
- Advances in perinatal care have altered the presentation of common lung diseases.
Purpose of the Study:
- To review the major forms of lung pathology in the perinatal period.
- To emphasize disturbances in lung growth and maturation.
- To discuss complications and sequelae of perinatal lung diseases.
Main Methods:
- Review of existing literature on perinatal lung pathology.
- Emphasis on disturbances of lung growth and maturation.
- Discussion of common and emerging neonatal lung conditions.
Main Results:
- Lung hypoplasia is a significant condition resulting from impaired fetal lung growth control.
- Hyaline membrane disease is less common in pure form, but its complications are more frequent.
- Other significant neonatal lung pathologies include asphyxial changes, persistent pulmonary hypertension, hemorrhage, and infection.
Conclusions:
- Perinatal lung pathology encompasses a range of conditions affecting growth, maturation, and function.
- Complications from improved perinatal care present new challenges in neonatal lung disease management.
- A comprehensive understanding of these pathologies is crucial for effective neonatal care.
Abstract:
The major forms of lung pathology in the perinatal period are reviewed with emphasis on disturbances of growth and maturation. Lung hypoplasia results from impairment in the physiological control of lung growth during the fetal period. It is more common than organogenetic defects which are discussed only briefly. Hyaline membrane disease is now seldom seen in a pure form due to improvements in perinatal care. However, its complications and sequelae such as interstitial emphysema, pneumothorax and bronchopulmonary dysplasia are encountered more frequently. In addition, a wide variety of pathological processes may localize to, or be expressed in, the lung of the newborn, notably asphyxial changes, persistent pulmonary hypertension, haemorrhage and infection.