Noninvasive monitoring of carbon dioxide in infants and children with congenital heart disease: end-tidal versus transcutaneous techniques.

Abstract

End-tidal CO2 (ET(CO2)) monitoring and transcutaneous (TC) CO2 monitoring were prospectively compared in 53 patients, 1 month to 16 years of age, with congenital heart disease (CHD). There were 32 patients with cyanotic CHD and 21 with acyanotic CHD. The TC-Pa(CO2) difference was 2 +/- 1 mm Hg and the ET-Pa(CO2) difference was 5 +/- 3 mm Hg (P < .0001). The TC-Pa(CO2) difference was < or = 2 mm Hg in 30 of 53 patients and < or = 5 mm Hg in 53 of 53 patients. The ET-Pa(CO2) difference was < or = 2 mm Hg in 9 of 53 patients and < or = 5 mm Hg in 30 of 53 patients (P < .001). No variation in the TC-Pa(CO2) difference was noted based on the type of CHD (acyanotic vs cyanotic) or age. The ET-Pa(CO2) difference was greater in patients with cyanotic versus acyanotic CHD (7 +/- 3 mm Hg vs 4 +/- 2 mm Hg, P < .0001) and in patients < or = 1 year of age versus patients > or = 1 year of age (6 +/- 3 mm Hg vs 4 +/- 2, P = .008). In infants and children with CHD, TC monitoring provides a more accurate estimation of Pa(CO2) than ET monitoring.

• Authors: John Wilson, Pierantonio Russo, JoAnne Russo, Joseph D Tobias
• Journal: Journal of intensive care medicine (J Intensive Care Med) 2005 Sep-Oct Vol. 20 Issue 5 Pg. 291-5 ISSN: 0885-0666 [Print] United States
• PMID: 16145219 (Publication Type: Clinical Trial, Comparative Study, Journal Article)

Chemical References

• Carbon Dioxide

Topics

• Adolescent
• Age Factors
• Blood Gas Monitoring, Transcutaneous
• Capnography
• Carbon Dioxide (metabolism)
• Child
• Child, Preschool
• Cyanosis
• Heart Defects, Congenital (diagnosis)
• Humans
• Infant
• Prospective Studies
• Reproducibility of Results