Physiological-based cord clamping in preterm infants using a new purpose-built resuscitation table: A feasibility study

Emma Brouwer*, Ronny Knol, Alex S.N. Vernooij, Thomas Van Den Akker, Patricia E. Vlasman, Frans J.C.M. Klumper, Philip Dekoninck, Graeme R. Polglase, Stuart B. Hooper, Arjan B. Te Pas

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Objective Physiological-based cord clamping (PBCC) led to a more stable cardiovascular adaptation and better oxygenation in preterm lambs, but in preterm infants, this approach has been challenging. Our aim was to assess the feasibility of PBCC, including patterns of oxygen saturation (SpO 2) and heart rate (HR) during stabilisation in preterm infants using a new purpose-built resuscitation table. Design Observational study. Setting Tertiary referral centre, Leiden University Medical Centre, The Netherlands. Patients Infants born below 35 weeks' gestational age. Interventions Infants were stabilised on a new purpose-built resuscitation table (Concord), provided with standard equipment needed for stabilisation. Cord clamping was performed when the infant was stable (HR >100 bpm, spontaneous breathing on continuous positive airway pressure with tidal volumes >4 mL/kg, SpO 2 ≥25th percentile and fraction of inspired oxygen (FiO 2) <0.4). Results Thirty-seven preterm infants were included; mean (SD) gestational age of 30.9 (2.4) weeks, birth weight 1580 (519) g. PBCC was successful in 33 infants (89.2%) and resulted in median (IQR) cord clamping time of 4:23 (3:00-5:11) min after birth. There were no maternal or neonatal adverse events. In 26/37 infants, measurements were adequate for analysis. HR was 113 (81-143) and 144 (129-155) bpm at 1 min and 5 min after birth. SpO 2 levels were 58%(49%-60%) and 91%(80%-96%)%), while median FiO 2 given was 0.30 (0.30-0.31) and 0.31 (0.25-0.97), respectively. Conclusion PBCC in preterm infants using the Concord is feasible. HR remained stable, and SpO 2 quickly increased with low levels of oxygen supply. Trial registration number NTR6095, results.

Original languageEnglish
Pages (from-to)F396-F402
JournalArchives of Disease in Childhood: Fetal and Neonatal Edition
Volume104
Issue number4
DOIs
Publication statusPublished - 1 Jul 2019
Externally publishedYes

Keywords

  • circulatory
  • neonatology
  • physiology
  • respiratory
  • resuscitation

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