Korean J Obstet Gynecol.
2000 May;43(5):863-870.
The Effect of Antenatal Corticosteroid on Perinatal Outcomes of Preterm Births
Abstract
OBJECTIVES
To determine the effectiveness and clinical utility of antenatal corticosteroids in the reduction of neonatal
morbidity and mortality on preterm birth Material and method: Neonatal outcomes of 312 preterm babies were evaluated
retrospectively. One hundred and two preterm babies(study group) were given dexamethasone more than 1 dose
antenatally and 210 preterm babies(control group) were not given dexamethasone antenatally. Antenatal steroids were
administered in the form of four 5mg intramuscular doses of dexamethasone 12 hours apart. Maternal and neonatal
outcomes of study group were compared with those of control group. Student t- test, x2 test, Fisher's exact test, and
logistic regression analysis were used where appropriate. p-value< 0.05 was considered significant.
RESULTS
Antentenatal corticosteroid significantly decreased the incidence of RDS(OR:0.47, 95% CI:0.25-0.86),
IVH/PVL(OR : 0.32, 95% CI : 0.12-0.86), necrotizing enterocolitis(OR : 0.49, 95% CI : 0.25-0.98), and neonatal
death(OR: 0.30, 95% CI: 0.10 - 0.89) in preterm delivery. In the presence of PROM, antenatal corticosteoid
seemed to have no protective effect on the neonatal complications such as RDS, IVH/PVL, NEC, PDA, and
neonatal death. CONCLUSIONS: Antenatal administration of corticosteroids was effective to decrease the incidence
of neonatal morbidity and neonatal mortality in the preterm neonates with no apparent maternal complications.