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Elective delivery versus expectant management for pre-eclampsia: a meta-analysis of RCTs
Yonghong Wang1, Min Hao2, Stephanie Sampson3
1The Second Hospital of Shanxi Medical University, 382 WuYi Road, TaiYuan City, Shanxi Province, 030001, China.
Archives of Gynecology and Obstetrics
|February 3, 2017
Summary
Elective delivery for pre-eclampsia (PE) beyond 34 weeks gestation reduces maternal complications. However, for severe PE before 34 weeks, it lowers placental abruption risk but may increase neonatal complications.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
- Neonatal Medicine
Background:
- Pre-eclampsia (PE) poses significant risks to both mother and fetus.
- Management strategies for PE, including timing of delivery, are critical for optimizing outcomes.
- Understanding the trade-offs between elective delivery and expectant management is essential.
Purpose of the Study:
- To compare the effectiveness and safety of elective delivery versus expectant management in women with pre-eclampsia.
- To evaluate neonatal outcomes associated with different management strategies and gestational ages.
- To inform clinical decision-making regarding the optimal timing of delivery for pre-eclampsia.
Main Methods:
- A systematic literature search was conducted across multiple databases (e.g., Medline, Cochrane Library, Web of Science) up to March 2016.
- Included were randomized controlled trials comparing elective delivery with expectant management for women diagnosed with pre-eclampsia.
- Seven studies involving 1501 participants were analyzed, with a focus on maternal and neonatal outcomes.
Main Results:
- Elective delivery significantly reduced complications in women with PE or hypertension beyond 34 weeks gestation (RR 0.64).
- For severe PE before 34 weeks, elective delivery decreased placental abruption incidence (RR 0.43).
- Neonatal risks, including intraventricular hemorrhage and hypoxic ischemic encephalopathy, may increase with elective delivery before 34 weeks in severe PE.
Conclusions:
- Elective delivery is beneficial for women with PE or gestational hypertension beyond 34 weeks, reducing complications and need for antihypertensive therapy.
- In severe PE before 34 weeks, elective delivery lowers placental abruption risk but warrants careful consideration due to potential neonatal risks.
- The optimal management strategy for pre-eclampsia requires balancing maternal and neonatal benefits and risks based on gestational age and disease severity.
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