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Updated: Jun 10, 2025
The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation
Published on: August 15, 2018
Oxygenation associated with cord management strategies among preterm infants <32 weeks gestation during the
Catherine Peterson1,2, Lucia Ferrer1,3, Shashank Sanjay1
1Neonatal Research Institute, Sharp Mary Birch Hospital for Women & Newborns, San Diego, CA, USA.
Objective:
Compare changes in SpO2 and FiO2 post-birth among preterm infants after delayed cord clamping (DCC), umbilical cord milking (UCM) or early cord clamping (ECC).
Study Design:
Retrospective study of infants <32 weeks gestation born between 2014 and 2021. ECC was clamping 0-59 s, DCC was clamping ≥60 s after delivery, UCM defined as milking the intact umbilical cord several times before clamping.
Results:
Of 463 infants; 257 received DCC, 168 received UCM, 38 received ECC. UCM infants had higher median SpO2 values at 4-(79% UCM vs 69% DCC, p = 0.027) and 5-(85% UCM vs 80% DCC, p = 0.023) minutes after-birth compared to DCC. DCC and UCM infants required lower FiO2 levels in the first 5-minutes compared to ECC infants (DCC 0.38 ± 0.17, UCM 0.40 ± 0.20 vs ECC 0.51 ± 0.27, p's <0.001).
Conclusion:
The proportion of infants achieving SpO2 ≥ 80% by 5 min was similar in all groups, FiO2 needed to achieve this goal was higher in ECC infants.
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