The use of the Laerdal infant resuscitator results in the delivery of high oxygen fractions in the absence of a blender

Oxygen delivery using neonatal self-inflating resuscitation bags without a reservoir

“…Reise et al analysed delivered oxygen concentration at gas flow rates of 10, 8, 5, 3 and 1 litre/min, combining them with ventilatory rates of 30, 40 and 60 inflations/min at Vt's of 20 and 40 ml 17. In our study, we tested the oxygen concentration a baby might receive depending on three targeted pressure ranges and three ventilatory rates, within a comparable gas flow range.…”

Neonatal self‐inflating bags: Achieving titrated oxygen delivery using low flows: An experimental study

“…Recent studies and manufacturer testing have indicated that the SIBs consistently delivered FiO 2 of 0.90 or more at ILCOR recommended O 2 flow rates of 5–10 L/min . Even at an O 2 flow rate as low as 1 L/min, the SIBs delivered an FiO 2 of more than 0.60.…”

“…Even at an O 2 flow rate as low as 1 L/min, the SIBs delivered an FiO 2 of more than 0.60. In another study, the delivered oxygen concentration ( d FiO 2 ), irrespective of the inflation rates (30, 40, 60/min) and tidal volumes (20 or 40 mL) used, reflected the source FiO 2 (either 0.4 or 1.0 using a blender) at flows ≥5 L/min …”

Neonatal and Pediatric Manual Hyperinflation: Influence of Oxygen Flow on Ventilation Parameters

“…A few studies of neonatal bag performance have found that F IO 2 varies with the oxygen flow applied, but those studies did not measure V T , PIP, or PIF. 13,23,24 In clinical practice the choice of oxygen flow varies according to the patient's oxygenation. However, the North American Neonatal Resuscitation Program recommends a flow of 5-10 L/min into the bag inlet when it is connected to a 100% oxygen source.…”

“…13,23,24 There have been no studies of the relationship between self-inflating bags' ventilation parameters with different oxygen flows applied. We studied the performance of neonatal and pediatric selfinflating bags from 3 manufacturers, at different oxygen flows, during manual hyperinflation.…”