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Arch Dis Child Fetal Neonatal Ed 2005;90:F79-F81 doi:10.1136/adc.2004.052274
  • Short report

Pharyngeal pressure in preterm infants receiving nasal continuous positive airway pressure

  1. A G De Paoli1,
  2. R Lau1,
  3. P G Davis1,2,
  4. C J Morley1,2
  1. 1Department of Paediatrics, Royal Women’s Hospital, 132 Grattan Street, Carlton, Victoria 3053, Australia
  2. 2Murdoch Children’s Research Institute, Flemington Road, Parkville, Victoria 3052, Australia
  1. Correspondence to:
    Dr De Paoli
    Special Care Baby Unit, Women’s Centre, John Radcliffe Hospital, Headley Way, Headington, Oxford OX3 9DU, UK; depaolitonynetscape.net
  • Accepted 23 July 2004

Abstract

Pharyngeal pressures in 11 preterm infants, receiving binasal Hudson prong continuous positive airway pressure (CPAP) pressurised by bubbling bottles, were measured. The mean (95% confidence interval) pressure drop from the prongs to the pharynx was 3.2 (2.6 to 3.7) cm H2O with mouths open and 2.2 (1.6 to 2.8) cm H2O with mouths closed. Mouth closure augments CPAP transmission.

Footnotes

  • AGDeP was supported by the Royal Women’s Hospital Foundation and the Division of Research and Education, Royal Women’s Hospital, Melbourne. PGD was supported by an NHMRC Practitioner Fellowship, Murdoch Children’s Research Institute.

  • Competing interests: none declared

Responses to this article

  • Use of chin straps to achieve active mouth closure in preterm neonates.
    • Vijayakumar Praveen
    Arch Dis Child - Fetal Neonatal Ed published online April 22, 2005

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