Sunday, September 27, 2015

Studies find that delayed umbilical cord clamping may benefit some high-risk newborns

http://www.eurekalert.org/pub_releases/2015-09/nch-sft092215.php

Public Release: 24-Sep-2015
Studies find that delayed umbilical cord clamping may benefit some high-risk newborns
Nationwide Children's Hospital

Clamping and cutting of the umbilical cord happens within 10 seconds after birth in most cases, in part so members of a medical team can more quickly begin caring for a newborn. But research from Nationwide Children's Hospital shows that waiting 30 to 45 seconds to clamp could have advantages for extremely preterm infants.

The study, published online today in the Journal of Perinatology, found that the preterm infants with delayed cord clamping had higher blood pressure readings in the first 24 hours of life and needed fewer red blood cell transfusions in their first 28 days than infants whose umbilical cords were immediately clamped. In addition, the short delay made no difference in the safety of the infant immediately after delivery.

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Dr. Backes also led a study, published in July in the Journal of Perinatology, which found delayed cord clamping may be beneficial for newborns with critical congenital heart disease. In that study, infants whose umbilical cords were clamped approximately two minutes after birth needed fewer red blood cell transfusions than infants whose cords were clamped within 10 seconds.

The delay allows for an increased blood volume in the baby, which likely improves pulmonary blood flow and other circulatory measures, stabilizing blood pressure. This may be particularly important for infants with critical congenital heart disease, according to Dr. Backes, who is also an assistant professor of Pediatrics at The Ohio State University College of Medicine.

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