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Postnatal white matter necrosis in preterm infants
R F Bejar1, Y E Vaucher, K Benirschke
1Department of Pediatrics, University of California, San Diego, San Diego.
Summary
White matter necrosis in preterm infants is linked to maternal infections and respiratory issues. This condition can lead to significant neurodevelopmental delays in survivors.
Area of Science:
- Neonatal Neurology
- Perinatal Medicine
- Pediatric Radiology
Background:
- White matter necrosis (WMBN) is a serious complication in preterm infants.
- Identifying risk factors and outcomes is crucial for early intervention.
Purpose of the Study:
- To determine the incidence and complications of white matter necrosis in preterm infants.
- To identify risk factors associated with postnatal white matter necrosis.
- To assess the neurodevelopmental outcome in infants with white matter necrosis.
Main Methods:
- Echoencephalography was used to study 127 infants <36 weeks gestation.
- Univariate and logistic regression analyses were performed to identify risk factors.
- Neurodevelopmental outcomes were assessed in survivors.
Main Results:
- 8% of infants developed cysts indicating postnatal white matter necrosis.
- Risk factors included maternal infection, respiratory distress syndrome, and oxygen requirements.
- Maternal infection, placental infarction, congenital pneumonia, and oxygen needs were significant predictors.
- 4 of 6 survivors had abnormal neurodevelopmental outcomes.
Conclusions:
- Severe respiratory disease and maternal/fetal infections increase the risk of white matter necrosis.
- Postnatal white matter necrosis predisposes infants to neurodevelopmental delay.
- Early identification of risk factors is vital for improving outcomes in preterm infants.