USF-LVHN SELECT

A capnography and transcutaneous CO

Publication/Presentation Date

5-1-2021

Abstract

BACKGROUND: Noninvasive monitoring of partial pressure of carbon dioxide can be accomplished indirectly with capnography (P

METHODS: In a prospective observational study, 64 bariatric surgery patients at risk of developing obstructive sleep apnea were monitored in the postanesthesia care unit (PACU) with either capnography alone (31 patients) or capnography plus transcutaneous carbon dioxide monitoring (33 additional patients) every 3-5 minutes for the duration of their recovery. Primary endpoints included end-tidal and transcutaneous carbon dioxide, peripheral oxygen saturation, respiratory rate, pain scores, and incidence of adverse respiratory events.

RESULTS: Although no adverse pulmonary events were observed, capnography detected several patients who experienced short periods of respiratory apnea while maintaining pulse oximetry readings within normal limits. Transcutaneous values were slow to change and averaged 4.5 ± 5.5 mm Hg (P < .05) higher than corresponding end-tidal measurements.

CONCLUSIONS: These results indicate the capabilities of both these noninvasive techniques for postoperative monitoring. Capnography acutely monitors changes in respiration, whereas transcutaneous monitoring more accurately reflects arterial CO

Volume

17

Issue

5

First Page

963

Last Page

967

ISSN

1878-7533

Disciplines

Medical Education | Medicine and Health Sciences

PubMedID

33622605

Department(s)

USF-LVHN SELECT Program

Document Type

Article

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