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Antibiotics for preterm labour with intact membranes
1Perinatal Epidemiology Unit, Mater Hospital, Raymond Tce, South Brisbane, Queensland, Australia, 4101. jking@mater.org.au
The Cochrane Database of Systematic Reviews
|May 5, 2000
Summary
Antibiotics may prolong pregnancy in women with preterm labor and intact membranes, reducing maternal infection and necrotizing enterocolitis. However, increased perinatal mortality raises concerns, and routine use is not recommended.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Medicine
- Infectious Diseases
Background:
- Infection is a potential contributor to preterm birth.
- Membrane rupture significantly impacts preterm labor progression.
Purpose of the Study:
- To evaluate the efficacy of antibiotics in women experiencing preterm labor with intact membranes.
- To assess the impact of antibiotic administration on maternal and neonatal outcomes prior to membrane rupture.
Main Methods:
- Systematic review and meta-analysis of randomized controlled trials.
- Searched Cochrane Pregnancy and Childbirth Group trials register and expert references.
- Included trials compared antibiotics versus placebo or no treatment for preterm labor (20-36 weeks gestation) with intact membranes.
Main Results:
- Antibiotic use was associated with a statistically significant prolongation of pregnancy (5.4 days).
- Reduced rates of maternal infection and neonatal necrotizing enterocolitis were observed.
- No significant effect on respiratory distress syndrome or neonatal sepsis, but a trend towards reduced sepsis.
- Increased perinatal mortality was noted in the antibiotic group.
Conclusions:
- Antibiotic treatment for preterm labor with intact membranes does not show clear overall neonatal benefit.
- Concerns exist regarding increased perinatal mortality with antibiotic use.
- Routine antibiotic use is not currently recommended; further research is needed to identify specific patient subgroups and optimal antibiotic regimens.