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Capnography and ventilatory assessment during ambulatory dentoalveolar surgery.

Authors
Type
Published Article
Journal
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons
Publication Date
Volume
55
Issue
9
Identifiers
PMID: 9294499
Source
Medline
License
Unknown

Abstract

Patients with nasal ventilatory exchange maintain this exchange throughout the anesthesia so that sampling of nasal PETCO2 is an effective way to monitor ventilatory status. Respiratory depression or obstructive ventilatory changes detected by capnography showed a high sensitivity and low positive predictive value in detecting oxygen desaturation. The current technology does not show a clinically satisfactory correlation between PETCO2 and oxygen saturation. However, a combined increase in PETCO2 and decrease in RR suggested a trend of decreasing oxygen saturation.

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