• J Clin Monit Comput · Jan 2000

    Clinical Trial

    Accuracy of capnography with a 30 foot nasal cannula for monitoring respiratory rate and end-tidal CO2 in children.

    • K P Mason, P E Burrows, M M Dorsey, D Zurakowski, and B Krauss.
    • Department of Anesthesiology, Children's Hospital and Harvard Medical School, Boston, MA 02115, USA. Mason_k@a1.tch.harvard.edu
    • J Clin Monit Comput. 2000 Jan 1; 16 (4): 259-62.

    AbstractWe tested the accuracy of a low flow (50 cc/min) sidestream capnography system equipped with an experimental 30-foot nasal cannula to monitor ventilatory status in children. End-tidal CO2 and respiratory rate, both at room air and in the presence of supplemental oxygen, were recorded simultaneously from the experimental 30-foot nasal cannula and the standard, FDA approved, 10-foot nasal cannula. The 30-foot nasal cannula was as accurate as the 10-foot nasal cannula in measuring respiratory rate and end-tidal CO2 in children. When supplemental oxygen was delivered by face-mask, there was no dilutional effect on the respiratory rate or end-tidal CO2 recorded with either the 10-foot or 30-foot nasal cannulas in place.

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