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SHR Neuro Cancer Cardio Lipid Metab Microb
Kaufman, J; Schmölzer, GM; Kamlin, CO; Davis, PG.
Mask ventilation of preterm infants in the delivery room.
Arch Dis Child Fetal Neonatal Ed. 2013; 98(5):F405-F410
Doi: 10.1136/archdischild-2012-303313
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- Leading authors Med Uni Graz
- Schmölzer Georg
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- Abstract:
- Objective To measure tidal volumes (V-T) and describe the interactions between spontaneous breaths and positive pressure ventilation (PPV) inflations during stabilisation of preterm infants in the delivery room (DR). We used a respiratory function monitor (RFM) to evaluate the first 5min of mask respiratory support provided to preterm infants. Study design An observational study of infants <32weeks gestation, born in a single tertiary perinatal centre receiving mask PPV in the DR. PPV was delivered with a round silicone facemask connected to a T-piece device and RFM. The RFM display was not visible to the resuscitator. Respiratory function parameters in the first 5min after birth were analysed by breath-type (inflations, assisted inflations, spontaneous breaths between PPV, and breaths during continuous positive airway pressure (CPAP)). Parameters measured included V-T, peak inspiratory pressure, peak end expiratory pressure and mask leak. Results A total of 2605 inflations and breaths from 29 subjects were analysed. Substantial leak was observed during all four breath types with median leaks ranging from 24% to 59%. Median tidal volumes were greater during inflations (8.3ml/kg) and assisted inflations (9.3ml/kg) than spontaneous breaths between PPV (3.2ml/kg) and breaths during CPAP (3.3ml/kg). Conclusions Facemask leak is large during resuscitation of preterm infants using round silicone masks. Tidal volumes delivered during PPV inflations are much higher than those generated during spontaneous breathing by an infant on CPAP.
- Find related publications in this database (using NLM MeSH Indexing)
- Airway Obstruction - physiopathology
- Analysis of Variance -
- Analysis of Variance -
- Birth Weight - physiology
- Continuous Positive Airway Pressure - instrumentation
- Delivery Rooms -
- Equipment Failure -
- Female -
- Gestational Age -
- Humans -
- Infant, Newborn -
- Infant, Premature - physiology
- Male -
- Masks -
- Respiration -
- Respiratory Function Tests - instrumentation
- Tidal Volume - physiology
- Find related publications in this database (Keywords)
- Neonatology
- Resuscitation