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Title: A Randomized Controlled Trial of Immediate versus Delayed Umbilical Cord Clamping in Multiple-Birth Infants Born Preterm
Authors: Chayatat Ruangkit
Sommart Bumrungphuet
Panyu Panburana
Anant Khositseth
Pracha Nuntnarumit
Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology;Medicine
Issue Date: 1-Feb-2019
Citation: Neonatology. Vol.115, No.2 (2019), 156-163
Abstract: © 2018 S. Karger AG, Basel. Background: Delayed cord clamping (DCC) improves placental transfusion and increases blood volume in preterm infants when compared with immediate cord clamping (ICC). However, evidence to support DCC in multiple-birth preterm infants is still lacking. Objective: To compare the outcomes of ICC versus DCC in preterm infants of multiple births. Study Design: Women with a multiple pregnancy, including twins and triplets with a gestational age of 28-36 weeks, were randomized to receive ICC (23 women and 50 infants) or DCC for 30-60 s (24 and 51 infants). The infants' hematocrit on admission, superior vena cava (SVC) flow measured within 24 h, and hematocrit at 8 weeks of age were compared. The use of uterotonic agents during delivery was not controlled in this study. Result: All infants were delivered by cesarean section (CS) except for 2 sets of twins, 1 in each group. Maternal and infant baseline characteristics in both groups were comparable. There were no significant differences between the groups in admission hematocrit, SVC flow measured within 24 h, hematocrit at 8 weeks of age, or any other neonatal outcomes. The incidence of maternal postpartum hemorrhage (PPH) was higher in the DCC group (4.3% in ICC vs. 25% in DCC, p = 0.04). Conclusion: DCC for 30-60 s did not improve placental transfusion or increase systemic blood flow in multiple-birth infants born preterm, mostly by CS, when compared with ICC. The finding of a higher PPH rate in the DCC group raises concerns about the maternal safety of this procedure in this patient population.
ISSN: 16617819
Appears in Collections:Scopus 2019

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