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J Perinatol. 2007 Dec;27(12):772-5. Epub 2007 Aug 30.

High-flow nasal cannula as a device to provide continuous positive airway pressure in infants.

Author information

1
Division of Newborn Medicine, the Edward Mallinckrodt Department of Pediatrics, Washington University School of Medicine, St Louis Children's Hospital, St Louis, MO, USA. spence_k@kids.wustle.edu

Abstract

OBJECTIVE:

To measure the intrapharyngeal pressure (IPP) generated by high-flow nasal cannula (HFNC) at varying flow rates up to 5 l min(-1).

STUDY DESIGN:

We studied 14 infants on HFNC or NCPAP using IPP manometry to measure the IPP generated at flows of 1, 2, 3, 4 and 5 l min(-1).

RESULT:

On average flow rates of 1, 2, 3, 4 and 5 l min(-1) generated an IPP (cm of H(2)O) of 1.70+/-0.34, 1.75+/-0.2, 2.62+/-0.28, 3.78+/-0.44 and 4.84+/-0.51 respectively.

CONCLUSION:

HFNC delivers significant IPP and is potentially a well-tolerated and viable option to provide CPAP at flows of > or = 3 min(-1) in infants with respiratory distress.

PMID:
17762844
DOI:
10.1038/sj.jp.7211828
[Indexed for MEDLINE]

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