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Multiple vs. single betamethasone therapy. Neonatal and maternal effects
L Pratt1, L Waschbusch, W Ladd
1Department of Obstetrics and Gynecology, University of Wisconsin, Madison, USA. prattl@hsm13.hsmnet.com
The Journal of Reproductive Medicine
|April 15, 1999
Summary
Repeated antenatal corticosteroid (betamethasone) use in preterm infants significantly reduced oxygen needs without increasing complications. Further research is recommended to confirm these benefits for neonatal care.
Area of Science:
- Neonatal Medicine
- Obstetrics
- Pharmacology
Background:
- Antenatal corticosteroids are used to accelerate fetal lung maturation.
- The effects of repeated courses of antenatal corticosteroids on neonatal and maternal outcomes require further investigation.
Purpose of the Study:
- To evaluate potential neonatal benefits of repeated antenatal corticosteroid use.
- To identify possible neonatal and maternal complications associated with multiple courses of antenatal corticosteroids.
Main Methods:
- Retrospective chart review of pregnant individuals (< 34 weeks gestation) who received antenatal betamethasone.
- Regression analysis to compare outcomes between single and multiple betamethasone courses.
- Analysis controlled for significant covariates.
Main Results:
- Multiple betamethasone courses were associated with a significant decrease in neonatal oxygen use (P < .01).
- A trend towards reduced respiratory distress syndrome and need for assisted ventilation was observed but not statistically significant.
- No significant differences in birth weight or maternal/neonatal infection rates were found between groups.
Conclusions:
- Repeated antenatal betamethasone administration is linked to a significant reduction in oxygen dependency for preterm neonates.
- No significant adverse maternal or neonatal complications were identified with repeated use.
- A prospective, randomized trial is warranted to confirm these findings and establish optimal treatment protocols.