Hypopharyngeal oxygen concentration and pressures delivered by low flow nasal cannula in preterm infants: Relationship with flow, gas mixture, and infant's weight.

Alvaro J GonzálezAlvaro QuinterosMatías LucoJose A SalinasAlejandra MartínezJose L Tapia

Published in: Pediatric pulmonology (2019)

Large variability in FiO2 and hypopharyngeal pressures were observed with oxygen administration through LFNC. Very high FiO 2 were observed despite low flows in infants < 1000 g. Excessive peak pressures can be generated with flows ≥ 2 L/minute especially among infants < 1000 g.

Keyphrases

preterm infants
weight gain
low birth weight
body mass index
weight loss
extracorporeal membrane oxygenation
intensive care unit
chronic rhinosinusitis