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Acta Paediatr. 2001 Apr;90(4):445-7.

Comparison of airway pressure and airflow triggering systems using a single type of neonatal ventilator.

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Children Nationwide Regional Neonatal Intensive Care Centre, King's College Hospital, London, UK.


The performances of two triggering systems using a single neonatal ventilator type (SLE) were compared. Eight infants, gestational age 27-30 wk, were each recorded during two 1-h periods of patient-triggered ventilation (PTVs), one with airway pressure and one with airflow triggering. The airflow trigger had a shorter trigger delay (p < 0.02), higher sensitivity (p < 0.02) and lower asynchrony rate (p < 0.02).


In immature infants with mild respiratory distress syndrome using the SLE ventilator with inflation times of 0.3 to 0.36 sec, airflow triggering is more appropriate than airway pressure triggering.

[Indexed for MEDLINE]

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