Skin Surface Carbon Dioxide Tension in Sick Infants

1 December 1979

journal article
research article
Published by American Academy of Pediatrics (AAP) in Pediatrics

Vol. 64 (6) , 942-945
https://doi.org/10.1542/peds.64.6.942

Abstract

Skin surface PCO2 [partial pressure of CO2] (PSCO2) was measured at 44.degree. C in 17 sick infants using a Radiometer surface of PCO2 electrode. Values obtained for PsCO2 were compared to simultaneous values for arterial PCO2 (PaCO2). PsCO2 was linearly related to PaCO2 by a regression line with a slope 1.37. PaCO2 could be predicted from PsCO2 to within 6 torr in all instances. The relationship was not affected by the patient''s gestational age, postnatal age, weight or blood pressure. This electrode is a valuable clinical tool in the management of sick infants.

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