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Neonatal outcomes with different betamethasone dosing regimens: a comparison
David M Haas1, William McCullough, Cara H Olsen
1Department of Obstetrics and Gynecology, Naval Medical Center, San Diego, San Diego, California, 34800, USA. haasdt@pol.net
The Journal of Reproductive Medicine
|February 1, 2006
Summary
Betamethasone dosing for preterm delivery showed similar neonatal outcomes whether given every 12 or 24 hours. The 12-hour antenatal corticosteroid schedule may be a viable alternative.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Medicine
- Pharmacology
Background:
- Antenatal corticosteroids are crucial for fetal lung maturation in preterm deliveries.
- Betamethasone is commonly used, but optimal dosing intervals are debated.
Purpose of the Study:
- To compare neonatal outcomes between 12-hour and 24-hour betamethasone dosing regimens for anticipated preterm delivery.
Main Methods:
- Retrospective review of births before 36 weeks' gestation (1996-2000).
- Comparison of maternal and neonatal variables across three groups: no corticosteroids, 12-hour betamethasone, and 24-hour betamethasone.
Main Results:
- 909 deliveries analyzed; 12-hour betamethasone group showed increased maternal antibiotic use (90.4% vs 83.6%) and surfactant use (39.8% vs 25.5%).
- A slight but significant difference in venous cord blood gas pH was observed (7.31 vs 7.32).
- No significant differences in other neonatal outcomes were found between the 12-hour and 24-hour betamethasone groups.
Conclusions:
- Neonatal outcomes were comparable between 12-hour and 24-hour betamethasone dosing schedules.
- The 12-hour dosing regimen can be considered a practical alternative for antenatal corticosteroid administration.
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