Abstract
Oxygen consumption calculated by Fick's principle (c\(\dot V\) 2) was compared to oxygen consumption measured (m\(\dot V\) 2) by indirect calorimetry (Deltatrac Metabolic Computer) in 10 patients in the post-operative period after cardiac surgery. For 50 pairs of measurements the mean difference (m\(\dot V\) 2−c\(\dot V\) 2) was 34±27ml/min·m2. The limits of agreement were −20ml/min·m2 to 88ml/min·m2. These results showed that c\(\dot V\) 2 and m\(\dot V\) 2 were not interchangeable in this study.
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Bizouarn, P., Soulard, D., Blanloeil, Y. et al. Oxygen consumption after cardiac surgery —a comparison between calculation by Fick's principle and measurement by indirect calorimetry. Intensive Care Med 18, 206–209 (1992). https://doi.org/10.1007/BF01709833
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DOI: https://doi.org/10.1007/BF01709833