Early human development · 2023
Cardiac and cerebral hemodynamics with umbilical cord milking compared with early cord clamping: A randomized cluster crossover trial.
Рандомизированное исследованиеСтатьяПоддержка NIH: внешняя программаНазвание и аннотация: Перевод в очереди
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Katheria Anup C, Law Brenda Hiu Yan, Poeltler Debra, Rich Wade, Ines Felix, Schmölzer Georg M, Lakshminrusimha Satyan
Аннотация
OBJECTIVE: A large, randomized cluster cross-over trial (N = 1730) comparing intact umbilical cord milking (UCM) to early cord clamping (ECC) in non-vigorous near-term/term newborns demonstrated a reduction in cardiorespiratory interventions at birth and less moderate to severe hypoxic ischemic encephalopathy. We evaluated changes in cerebral tissue oxygenation (StO2), pulse oximetry (SpO2), pulse rate and fraction of inspired oxygen (FiO2) during the first 10 min of life in a subset of infants enrolled in the parent trial.
STUDY DESIGN: Infants enrolled in the Milking in Non-Vigorous Infants trial that had StO2 monitoring at birth were included in the sub-study conducted at 3 hospitals the US and Canada. A near-infrared spectroscopy sensor, pulse oximeter and electrocardiogram electrodes were placed. Pulse rate, StO2, SpO2, and FiO2 were collected for the first 10 min after birth. Longitudinal models were used to compare effects of UCM and ECC.
RESULTS: Thirty-four infants had StO2 data. Fifteen of these infants received UCM and 19 had ECC. Infants receiving UCM had similar heart rates, SpO2, and StO2 values, but were exposed to less FiO2 over the first 10 min of life than infants with ECC (0.26 ± 0.12 vs. 0.81 ± 0.05 at 10 min).
CONCLUSION: Non-vigorous term/near term infants who received UCM at birth required lower FiO2 after delivery when compared to infants who umbilical cords were clamped soon after birth while achieving similar peripheral and cerebral oxygenation. Cord milking may be a potential option for placental transfusion in non-vigorous near term/term infants when delayed cord clamping cannot be performed.
STUDY DESIGN: Infants enrolled in the Milking in Non-Vigorous Infants trial that had StO2 monitoring at birth were included in the sub-study conducted at 3 hospitals the US and Canada. A near-infrared spectroscopy sensor, pulse oximeter and electrocardiogram electrodes were placed. Pulse rate, StO2, SpO2, and FiO2 were collected for the first 10 min after birth. Longitudinal models were used to compare effects of UCM and ECC.
RESULTS: Thirty-four infants had StO2 data. Fifteen of these infants received UCM and 19 had ECC. Infants receiving UCM had similar heart rates, SpO2, and StO2 values, but were exposed to less FiO2 over the first 10 min of life than infants with ECC (0.26 ± 0.12 vs. 0.81 ± 0.05 at 10 min).
CONCLUSION: Non-vigorous term/near term infants who received UCM at birth required lower FiO2 after delivery when compared to infants who umbilical cords were clamped soon after birth while achieving similar peripheral and cerebral oxygenation. Cord milking may be a potential option for placental transfusion in non-vigorous near term/term infants when delayed cord clamping cannot be performed.