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Vaginal delivery versus caesarean section in preterm breech delivery: a systematic review
L A Bergenhenegouwen1, L J E Meertens2, J Schaaf3
1Department of Obstetrics and Gynaecology, Ziekenhuis Groep Twente, Zilvermeeuw 1, 7609 PP Almelo, The Netherlands.
European Journal of Obstetrics, Gynecology, and Reproductive Biology
|November 9, 2013
Summary
Caesarean section (CS) delivery is associated with lower neonatal mortality compared to vaginal delivery (VD) for preterm breech presentations. This finding is based on a meta-analysis of non-randomized studies, highlighting CS as a potentially safer option for neonates.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Medicine
- Perinatal Research
Background:
- Controversy exists regarding the optimal delivery mode (vaginal delivery vs. caesarean section) for preterm breech presentations concerning neonatal outcomes.
- While caesarean section may offer fetal safety, concerns include increased maternal morbidity, risks in future pregnancies, and higher costs.
- Previous randomized controlled trials were limited by recruitment difficulties, necessitating reliance on non-randomized studies.
Purpose of the Study:
- To systematically review and meta-analyze non-randomized studies assessing the association between delivery mode and neonatal mortality in preterm breech presentations.
- To provide evidence-based insights into the comparative safety of vaginal delivery versus caesarean section for this high-risk obstetric scenario.
Main Methods:
- Systematic review and meta-analysis of non-randomized studies.
- Searched major databases (PubMed, Embase, Cochrane Library) for relevant articles.
- Included studies comparing neonatal mortality in preterm breech presentations (25-36 weeks gestation) delivered via vaginal delivery versus caesarean section.
Main Results:
- Seven studies involving 3557 women met the eligibility criteria.
- The weighted risk of neonatal mortality was 3.8% following caesarean section versus 11.5% following vaginal delivery.
- The pooled risk ratio (RR) for neonatal mortality was 0.63 (95% CI 0.48-0.81), favoring caesarean section.
Conclusions:
- Cohort studies suggest that caesarean section significantly reduces neonatal mortality in preterm breech presentations compared to vaginal delivery.
- Findings support caesarean section as a potentially safer delivery mode for neonates in this specific obstetric context.
- Further research may be needed to balance maternal and neonatal risks associated with different delivery modes.
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