Why the study?
Does estimation of PaCO2 by monitoring PpeCO2 reliably reflect arterial PCO2 in patients undergoing major surgery during anesthesia?
Population
15 patients undergoing major surgery during anesthesia
Comparison
Estimation of arterial PCO2 by monitoring peak… vs Direct measurement of arterial PCO2 (PaCO2)
Design
Cohort
Follow-up
during anesthesia
Authors
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Single-calibration PpeCO2 estimation may misestimate PaCO2 intraoperatively; leaves open whether repeated calibrations improve reliability in major surgery.
Does estimation of PaCO2 by monitoring PpeCO2 reliably reflect arterial PCO2 in patients undergoing major surgery during anesthesia?
Estimation of arterial PCO2 by monitoring peak expired CO2 tension calibrated with a single initial measurement is not invariably reliable during anesthesia.
Raemer et al. (1983) studied this question.
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