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Management of Twin Reversed Arterial Perfusion Sequence: A Systematic Review and Meta-Analysis
Michael A Stellon1, Devashish S Joshi2, Michael J Beninati3
1Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA, mstellon@uwhealth.org.
Fetal Diagnosis and Therapy
|December 3, 2024
Summary
Radiofrequency ablation (RFA) is the most technically successful treatment for twin reversed arterial perfusion (TRAP) sequence. While pump twin survival is similar across methods, RFA offers better outcomes for this rare twin pregnancy complication.
Area of Science:
- Maternal-Fetal Medicine
- Reproductive Medicine
- Obstetrics
Background:
- Twin reversed arterial perfusion (TRAP) sequence is a rare complication of monochorionic twin pregnancies.
- It involves placental anastomoses between a normal twin and an acardiac mass.
- Optimal management strategies for TRAP sequence remain unclear.
Purpose of the Study:
- To compare the effectiveness and outcomes of various treatment strategies for TRAP sequence.
- To identify the most technically successful intervention for TRAP sequence.
Main Methods:
- A systematic review and meta-analysis adhering to PRISMA guidelines.
- Literature search across PubMed, Scopus, Web of Science, and Cochrane Library.
- Statistical analysis using Fisher's exact test and random effects modeling.
Main Results:
- Radiofrequency ablation (RFA) demonstrated the highest technical success rate.
- No significant differences in pump twin survival were observed across treatment modalities.
- Suture cord ligation was associated with a higher hemorrhage rate compared to RFA.
Conclusions:
- RFA is the most technically successful strategy for TRAP sequence.
- Further prospective studies are needed to determine the optimal treatment modality and gestational age for best outcomes.
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