Time to achieve desired fraction of inspired oxygen using a T-piece ventilator during resuscitation of preterm infants at birth

To determine the time between adjustment of FiO2 at the oxygen blender and the desired FiO2 reaching the preterm infant during respiratory support at birth. This observational study was performed using a Neopuff™ T-piece Resuscitator attached to either a test lung (during initial bench tests) or a f...

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Bibliographic Details
Published in:Resuscitation 2019-03, Vol.136, p.100-104
Main Authors: Dekker, J., Stenning, F.J., Willms, L.J.F.B., Martherus, T., Hooper, S.B., te Pas, A.B
Format: Article
Language:English
Subjects:
FiO2 titration
Humans
Hyperoxia - prevention & control
Hypoxia - prevention & control
Infant, Newborn
Infant, Premature
Infant, Very Low Birth Weight
Intensive Care, Neonatal
Linear Models
Oxygen Consumption - physiology
Positive-Pressure Respiration - methods
Preterm infant
Respiratory support
Resuscitation
Resuscitation - methods
Time Factors
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Summary:To determine the time between adjustment of FiO2 at the oxygen blender and the desired FiO2 reaching the preterm infant during respiratory support at birth. This observational study was performed using a Neopuff™ T-piece Resuscitator attached to either a test lung (during initial bench tests) or a face mask during the stabilization of infants at birth. FiO2 was titrated following resuscitation guidelines. The duration for the desired FiO2 to reach either the test lung or face mask was recorded, both with and without leakage. A respiratory function monitor was used to record FiO2 and amount of leak. In bench tests, the median (IQR) time taken to achieve a desired FiO2 was 34.2 (21.8–69.1) s. This duration was positively associated with the desired FiO2 difference, the direction of titration (upwards) and the occurrence of no leak (R2 0.863, F 65.016, p 
ISSN:0300-9572
1873-1570
DOI:10.1016/j.resuscitation.2019.01.024