Related Experiment Videos
Significance of chorioamnionitis
H Kitajima1, M Nakayama, A Miyano
1Department of Neonatal Medicine, Osaka Medical Center, Research Institute for Maternal and Child Health, Japan.
Early Human Development
|June 1, 1992
Summary
Histologic chorioamnionitis (CAM) in preterm deliveries may accelerate fetal immune maturation and lung surfactant production. However, CAM can also lead to airway damage in preterm infants.
Area of Science:
- Neonatal Medicine
- Immunology
- Pathology
Background:
- Histologic chorioamnionitis (CAM) affects 30-50% of preterm deliveries.
- Limited evidence exists on CAM's impact on preterm infants.
Purpose of the Study:
- To investigate the biological effects of CAM on preterm infants.
- To assess CAM's influence on cord blood cytokine and complement levels, placental pathology, and infant lung maturation.
Main Methods:
- Analysis of cord blood for complement and cytokine levels (IL6, IL8).
- Examination of placental pathology.
- Assessment of the L/S ratio in gastric and tracheal aspirates.
- Correlation of CAM with infant outcomes.
Main Results:
- CAM stimulates fetal immune system through cytokine production and complement activation.
- CAM may accelerate fetal immune system maturation and lung surfactant synthesis.
- CAM can potentially damage airway structures due to polymorphonuclear cell accumulation.
Conclusions:
- CAM has a dual effect on preterm infants, potentially promoting maturation while also posing risks for airway damage.
- Further research is needed to fully elucidate CAM's complex role in preterm infant development.