Neonatal Intensive Care for Preterm Very Low-Birth-Weight Infants at a Medical School-Affiliated Neonatal Intensive...

Area of Science:

• Neonatology
• Perinatal Medicine
• Pediatric Critical Care

Background:

• Japan's standard of care for preterm very low-birth-weight (VLBW) infants is internationally high due to advanced technology and perinatal systems.
• Neonatal intensive care units (NICUs) continuously strive to improve outcomes for these vulnerable infants.

Purpose of the Study:

• To identify areas for improvement in perinatal care practices for preterm VLBW infants within a specific NICU.
• To analyze factors influencing mortality and morbidity in this population.

Main Methods:

• Retrospective analysis of medical records for 250 preterm VLBW infants (excluding severe congenital anomalies).
• Evaluation of pregnancy complications, management strategies, and infant outcomes including mortality and major morbidities.
• Multivariate analysis to identify factors associated with cumulative morbidity.

Main Results:

• Cumulative morbidity, including major complications and mortality, was observed in 19.6% of VLBW infants.
• Medically indicated preterm births were associated with higher morbidity rates compared to spontaneous preterm births.
• Small-for-gestational-age status was the sole significant predictor of cumulative morbidity in multivariate analysis.
• Only 47.3% of infants received antenatal corticosteroids (ACS).

Conclusions:

• Neonatal intensive care quality for preterm VLBW infants in the studied NICU aligns with top Japanese centers.
• Key areas for improving infant outcomes include optimizing delivery timing based on fetal well-being assessment.
• Increased promotion and administration of antenatal corticosteroids (ACS) are critical for better outcomes.