Journals / Perinatoloji Dergisi / 2021 / Cilt: 29 - Sayı: 1

The comparison of the perinatal outcomes in monochorionic twin pregnancies with and without selective intrauterine growth restriction

Selektif intrauterin geliflme kısıtlığı olan ve olmayan monokoryonik ikiz gebeliklerde perinatal sonuçların karşılaştırılması

Pages
20–26
DOI
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⚡ TL;DR(Too Long; Didn't Read)

More prospective studies are needed to investigate whether this increased risk in the pregnancies with sIUGR is associated with prematurity which is more common or is a result of sIUGR.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: Both fetuses may be affected negatively as a result of the non-equal share of the placenta and vascular anastomoses in monochorionic pregnancies with selective intrauterine growth restriction (sIUGR).
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Key Findings & Data:In our study, we aimed to investigate the perinatal outcomes of both larger and smaller fetuses in monochorionic pregnancies with and without sIUGR (non-sIUGR) separately.
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Conclusion & Impact:More prospective studies are needed to investigate whether this increased risk in the pregnancies with sIUGR is associated with prematurity which is more common or is a result of sIUGR.
🔬Design:Research Article
📍Scope:2013 Verileri
⚙️Variables:Domain Parameters

Abstract

Objective: Both fetuses may be affected negatively as a result of the non-equal share of the placenta and vascular anastomoses in monochorionic pregnancies with selective intrauterine growth restriction (sIUGR). In our study, we aimed to investigate the perinatal outcomes of both larger and smaller fetuses in monochorionic pregnancies with and without sIUGR (non-sIUGR) separately. Methods: A total of 196 monochorionic twin pregnancies were evaluated retrospectively between January 2013 and January 2019. The cases were grouped as sIUGR and non-sIUGR pregnancies. The pregnancies with sIUGR were also separated into sub-groups as the cases with normal umbilical flow pattern and the cases with abnormal umbilical flow pattern. The perinatal outcomes were investigated separately between the groups for larger and smaller fetuses. Results: Of 153 monochorionic pregnancies included in the study, 17.6% (n=27) were sIUGR cases and 82.4% (n=126) were non-sIUGR cases. While the umbilical artery flow pattern was normal in 59.3% (n=16) of the pregnancies which developed sIUGR, 40.7% (n=11) of them had abnormal umbilical artery flow pattern. The preeclampsia rate was found significantly higher in sIUGR pregnancies than non-sIUGR pregnancies (25.9% vs. 11.1%, p=0.042). The need for intensive care for both larger and smaller newborns was significantly higher in sIUGR pregnancies compared to non-sIUGR pregnancies (p<0.001). Three (11.1%) of newborns in sIUGR pregnancies passed away during neonatal period. All of the newborns that passed away were the smaller newborns from sIUGR pregnancies with abnormal umbilical artery flow pattern. Conclusion: The pregnancies with selective intrauterine growth restriction (sIUGR) are more associated with high risks in terms of perinatal outcomes compared to the pregnancies with non-sIUGR. In pregnancies developing sIUGR, the risk increases for larger fetus as well as smaller fetus. More prospective studies are needed to investigate whether this increased risk in the pregnancies with sIUGR is associated with prematurity which is more common or is a result of sIUGR.

Özet

Amaç: Selektif intrauterin gelişim kısıtlılığı (sIUGR) olan monokoryonik gebeliklerde plasentanın eşit olmayan paylaşımı ve vasküler anastomozlar sonucunda her iki fetüs olumsuz etkilenebilir. Çalışmamızda sIUGR olan ve sIUGR olmayan (non-sIUGR) monokoryonik gebeliklerde hem büyük hem de küçük fetüsün perinatal sonuçlarını araştırmayı amaçladık. Yöntem: Ocak 2013 – Ocak 2019 tarihleri arasında 196 monokoryonik ikiz gebelik retrospektif olarak incelendi. Olgular sIUGR ve non-sIUGR gebelikler olarak gruplandırıldı. sIUGR olan gebelikler ayrıca normal umbilikal akım paterni olanlar ve anormal umbilikal akım paterni olanlar olarak gruplandırıldı. Gruplar arasında büyük ve küçük fetüsler için perinatal sonuçlar ayrı ayrı araştırıldı. Bulgular: Çalışmaya dahil edilen toplam 153 monokoryonik gebeliğin %17.6’s› (n=27) sIUGR gebeliklerden, %82.4’ü (n=126) non-sIUGR gebeliklerden oluşmaktaydı. sIUGR gelişen gebeliklerin %59.3’ünde (n=16) umbilikal arter akım paterni normalken, %40.7’sinde (n=11) anormal umbilikal arter akım paterni mevcuttu. sIUGR gebeliklerde preeklampsi oranı non-sIUGR gebeliklere göre anlamlı olarak daha yüksek bulundu (%25.9’a karşı %11.1, p=0.042). sIUGR gebeliklerde hem büyük hem de küçük yenidoğan için yoğun bakım gereksinimi non-sIUGR gebeliklere göre anlamlı olarak daha yüksek bulundu (p<0.001). sIUGR gebeliklerdeki yenidoğanlardan 3 (%11.1) tanesi neonatal dönemde kaybedildi. Kaybedilen yenidoğanların tamamı anormal umbilikal arter akım paterni olan sIUGR gebeliklerdeki küçük yenidoğanlardı. Sonuç: Selektif intrauterin gelişim kısıtlılığı (sIUGR) olan gebelikler, non-sIUGR gebeliklere kıyasla perinatal sonuçlar açısından daha yüksek riskle ilişkilidir. sIUGR gelişen gebeliklerde küçük fetüsün yanı sıra büyük fetüs için de risk artışı bulunmaktadır. Artmış olan bu riskin sIUGR mevcut olan gebeliklerde daha yüksek olan prematüriteyle mi ilişkili olduğu yoksa sIUGR’nin bir sonucu mu olduğu konusunda daha fazla prospektif çalışmaya ihtiyaç vardır.

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Cite This Article

PİŞİRGEN, E. P., AKALIN, M., DEMİRCİ, O., KUMRU, P., AKALIN, E. E. (2021). The comparison of the perinatal outcomes in monochorionic twin pregnancies with and without selective intrauterine growth restriction. Perinatoloji Dergisi, Cilt: 29 - Sayı: 1, 20–26. https://ajindex.com/articles/300272

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