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Time needed to achieve changes in oxygen concentration at the T-Piece resuscitator during respiratory support in preterm infants in the delivery room
- Source :
- Scopus-Elsevier
-
Abstract
- To measure the time needed to achieve changes in fraction of inspired oxygen concentration (FiO2) from the oxygen blender to the facemask during simulated neonatal resuscitation.Two oxygen analyzers were placed at each end of the T-Piece. During simulated ventilation, the duration to achieve the set oxygen concentration at the facemask was measured. This was repeated at different gas flow rates (5 L/min, 8 L/min or 10 L/min) and different FiO2 changes (0.21 to 1.0 to 0.21, with stepwise increases and decreases in 0.05, 0.1 and 0.2 increments).A total of 1134 measurements (378 measurements for each flow) were recorded. Overall, the mean (± SD) time required to achieve FiO2 changes at 5 L/min, 8 L/min and 10 L/min was 36±15 s, 31±14 s and 28±14 s, respectively.There was a lag time of approximately 30 s to achieve the FiO2 at the facemask. This delay needs to be considered when making serial adjustments to FiO2 during neonatal resuscitation.Mesurer le temps nécessaire pour modifier les concentrations de la fraction d’oxygène dans l’air inspiré (FiODeux analyseurs d’oxygène ont été installés à chaque bout de l’insufflateur néonatal. Pendant la simulation de ventilation, les chercheurs ont mesuré le temps nécessaire pour parvenir à la concentration d’oxygène voulue au masque. Ils ont repris la mesure à divers débits de gaz (5 L/min, 8 L/min ou 10 L/min) et diverses modifications de la FiOAu total, les chercheurs ont enregistré 1 134 mesures (378 mesures par débit). Dans l’ensemble, le temps moyen (± ÉT) nécessaire pour parvenir à des modifications de la FiOIl y avait un décalage d’environ 30 secondes pour parvenir à une FiO
- Subjects :
- medicine.medical_specialty
business.industry
Delivery room
chemistry.chemical_element
Oxygen
Respiratory support
Surgery
law.invention
chemistry
law
Fraction of inspired oxygen
Anesthesia
Ventilation (architecture)
T piece resuscitator
Pediatrics, Perinatology and Child Health
Medicine
Limiting oxygen concentration
Original Article
business
Neonatal resuscitation
Subjects
Details
- Database :
- OpenAIRE
- Journal :
- Scopus-Elsevier
- Accession number :
- edsair.doi.dedup.....14cc2f1d5bbec1de10338985f9ca52a5