Cord clamping time in spontaneously breathing preterm neonates in the first minutes after birth: impact on cerebral oxygenation – a prospective observational study

Gerhard PichlerDepartment of Paediatrics, Division of Neonatology, Medical University of Graz, Graz, Austria, ;Department of Paediatrics, Research Unit for Neonatal Micro- and Macrocirculation, Medical University of Graz, Graz, Austria, ;Department of Pediatrics, University of Alberta, Edmonton, Canada, ;Centre for the Studies of Asphyxia and Resuscitation, Neonatal Research Unit, Royal Alexandra Hospital, Edmonton, Canada, and Correspondence[email protected] [email protected]

Nariae BaikDepartment of Paediatrics, Division of Neonatology, Medical University of Graz, Graz, Austria, ;Department of Paediatrics, Research Unit for Neonatal Micro- and Macrocirculation, Medical University of Graz, Graz, Austria,

Berndt UrlesbergerDepartment of Paediatrics, Division of Neonatology, Medical University of Graz, Graz, Austria, ;Department of Paediatrics, Research Unit for Neonatal Micro- and Macrocirculation, Medical University of Graz, Graz, Austria,

Po-Yin CheungDepartment of Pediatrics, University of Alberta, Edmonton, Canada, ;Centre for the Studies of Asphyxia and Resuscitation, Neonatal Research Unit, Royal Alexandra Hospital, Edmonton, Canada, and

Khalid AzizDepartment of Pediatrics, University of Alberta, Edmonton, Canada, ;Centre for the Studies of Asphyxia and Resuscitation, Neonatal Research Unit, Royal Alexandra Hospital, Edmonton, Canada, and

Alexander AvianInstitute for Medical Informatics, Statistics and Documentation, Medical University of Graz, Graz, Austria

Georg M. SchmölzerDepartment of Paediatrics, Division of Neonatology, Medical University of Graz, Graz, Austria, ;Department of Pediatrics, University of Alberta, Edmonton, Canada, ;Centre for the Studies of Asphyxia and Resuscitation, Neonatal Research Unit, Royal Alexandra Hospital, Edmonton, Canada, and

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Abstract

Objective: To analyse impact of delayed cord clamping (DCC60sec) on cerebral regional tissue oxygenation (crSO2) and fractional tissue oxygen extraction (cFTOE) in spontaneously breathing preterm neonates during the first 15 min after birth.

Methods: Two-centre observational study, crSO2 and cFTOE was monitored in neonates with DCC60sec or early cord clamping (ECC < 30 s).

Results: Seventy-six infants (birth weight and gestational age 1736 ± 508 g and 31.8 ± 2.5 weeks) were included. DCC was associated with lower initial crSO2 and higher cFTOE and lower initial Apgar-score and heart rate.

Conclusion: Attending practitioners should be aware that DCC might impact initial immediate transition in spontaneously breathing preterm neonates.

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Declaration of interest

The authors report no declarations of interest.

GMS is a recipient of a Banting Postdoctoral Fellowship, Canadian Institute of Health Research and an Alberta Innovate – Health Solution Clinical Fellowship.

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Cord clamping time in spontaneously breathing preterm neonates in the first minutes after birth: impact on cerebral oxygenation – a prospective observational study

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Cord clamping time in spontaneously breathing preterm neonates in the first minutes after birth: impact on cerebral oxygenation – a prospective observational study

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