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T-pieces are increasingly used for administering intermittent positive pressure ventilation (IPPV) during neonatal resuscitation. 1 They can also be used to provide free-flowing oxygen to babies who are breathing but remain cyanosed. 2 The Neonatal Resuscitation Program (NRP) guidelines recommend that when using a T-piece resuscitator the mask should be loosely placed on the infant's face with the positive end expiratory pressure (PEEP) valve occluded to allow delivery of a reliable amount of oxygen. 2 There are no reports documenting the percentage of oxygen delivered when the PEEP valve is, or is not, occluded. The aim of this study was to determine the oxygen concentration delivered from a T-piece resuscitator and mask when the PEEP valve is occluded and when it is left open.
Method
We simulated delivering free-flowing oxygen with a Neopuff Infant Resuscitator (Fisher and Paykel, New Zealand) fitted with a size 0/1 mask (Laerdal, Stavanger,...