Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at preterm birth on maternal and infant outcomes.
@article{Rabe2012EffectOT, title={Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at preterm birth on maternal and infant outcomes.}, author={Heike Rabe and Jos{\'e} Luis Diaz-Rossello and Lelia Duley and Therese Dowswell}, journal={The Cochrane database of systematic reviews}, year={2012}, volume={8}, pages={ CD003248 } }
BACKGROUND
Optimal timing for clamping the umbilical cord at preterm birth is unclear. Early clamping allows for immediate transfer of the infant to the neonatologist. Delaying clamping allows blood flow between the placenta, the umbilical cord and the baby to continue. The blood which transfers to the baby between birth and cord clamping is called placental transfusion. Placental transfusion may improve circulating volume at birth, which may in turn improve outcome for preterm infants…
267 Citations
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at preterm birth on maternal and infant outcomes.
- MedicineThe Cochrane database of systematic reviews
- 2019
This Cochrane Review is a further update of a review first published in 2004 and updated in 2012 and includes forty-eight studies, with data available from 40 studies involving 4884 babies and their mothers.
Effect of timing of umbilical cord clamping of term infants on maternal and neonatal outcomes.
- MedicineThe Cochrane database of systematic reviews
- 2013
A more liberal approach to delaying clamping of the umbilical cord in healthy term infants appears to be warranted, in light of early iron stores in haemoglobin concentrations, which is likely delayed that jaundice is available for long as access to phototherapy requiring phototherapy.
Optimal timing of umbilical cord clamping for term and preterm babies.
- MedicineEarly human development
- 2013
Assessment of effectiveness of delayed cord clamping and umbilical cord milking in early term and preterm infants
- MedicineInternational Journal of Contemporary Pediatrics
- 2018
Both delayed cord clamping and umbilical cord milking are found to be equally effective in improving hematologic parameters in preterm and early term infants.
Milking Compared With Delayed Cord Clamping to Increase Placental Transfusion in Preterm Neonates: A Randomized Controlled Trial
- MedicineObstetrics and gynecology
- 2011
Milking the cord four times achieved a similar amount of placento-fetal blood transfusion compared with delaying clamping the cord for 30 seconds, and there was no significant difference in number of neonates undergoing transfusion.
Committee Opinion No. 684: Delayed Umbilical Cord Clamping After Birth.
- MedicineObstetrics and gynecology
- 2017
The American College of Obstetricians and Gynecologists now recommends a delay in umbilical cord clamping in vigorous term and preterm infants for at least 30-60 seconds after birth.
Management of Placental Transfusion to Neonates After Delivery.
- MedicineObstetrics and gynecology
- 2021
High-quality evidence supporting delayed umbilical cord clamping to promote placental transfusion to preterm and term neonates and potential benefits to the estimated 140 million neonates born globally every year are summarized.
The effects of umbilical cord milking in extremely preterm infants: a randomized controlled trial
- MedicineJournal of Perinatology
- 2013
It is suggested that milking of the cord increases the neonate’s initial hematocrit and may lessen the need for transfusion in the neonatal period.
Effects of early versus delayed umbilical cord clamping during antepartum lower segment caesarean section on placental delivery and postoperative haemorrhage: a randomised controlled trial
- MedicineThe Ceylon medical journal
- 2017
There were no significant differences in the risk of postoperative haemorrhage, manual removal of placenta, or maternal or neonatal morbidity between early cord clamping and DCC during antepartum LSCS.
References
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- MedicineThe Cochrane database of systematic reviews
- 2004
Delaying cord clamping by 30 to 120 seconds, rather than early clamping, seems to be associated with less need for transfusion and less intraventricular haemorrhage, and there are no clear differences in other outcomes.
Effect of timing of umbilical cord clamping of term infants on maternal and neonatal outcomes.
- MedicineThe Cochrane database of systematic reviews
- 2013
A more liberal approach to delaying clamping of the umbilical cord in healthy term infants appears to be warranted, in light of early iron stores in haemoglobin concentrations, which is likely delayed that jaundice is available for long as access to phototherapy requiring phototherapy.
Milking Compared With Delayed Cord Clamping to Increase Placental Transfusion in Preterm Neonates: A Randomized Controlled Trial
- MedicineObstetrics and gynecology
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Milking the cord four times achieved a similar amount of placento-fetal blood transfusion compared with delaying clamping the cord for 30 seconds, and there was no significant difference in number of neonates undergoing transfusion.
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It is suggested that milking of the cord increases the neonate’s initial hematocrit and may lessen the need for transfusion in the neonatal period.
Infants' Blood Volume in a Controlled Trial of Placental Transfusion at Preterm Delivery
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The blood volume was, on average, increased in the DCC group after at least a 30-second delay for both vaginal and cesarean deliveries, and euvolemia was not attained with the third stage management methods outlined above.
Effects of delayed cord clamping in very-low-birth-weight infants
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A higher hematocrit is achieved by DCC in very-low-birth-weight infants, suggesting effective placental transfusion, and a randomized unmasked controlled trial was performed.
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Delayed cord clamping of 45 s is feasible and safe in preterm infants below 33 weeks of gestation and it should be performed whenever possible to reduce the need for packed red cell transfusions during the first 6 weeks of life.
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Immediate clamping of the umbilical cord should be discouraged and a delay in clamping the cord improves haematocrit levels and results in greater vascular stability and less need for packed cell transfusions for anaemia in the first period after birth.
Delayed Cord Clamping in Very Preterm Infants Reduces the Incidence of Intraventricular Hemorrhage and Late-Onset Sepsis: A Randomized, Controlled Trial
- MedicinePediatrics
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Delayed cord clamping seems to protect VLBW infants from IVH and LOS, especially for male infants, and there was a trend toward higher initial hematocrit in the infants in the DCC group.