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|Title:||Measured pulmonary oxygen consumption: difference between systemic oxygen uptake measured by the reverse Fick method and indirect calorimetry in cardiac surgery.|
|Authors:||Peyton, Philip J;Robinson, Gavin J B|
|Affiliation:||Department of Anaesthesia, Austin Hospital, Melbourne, Australia. phil.PEYTON@austin.org.au|
|Citation:||Anaesthesia; 60(2): 146-50|
|Abstract:||Measurement of oxygen uptake by indirect calorimetry was compared with the reverse Fick method in a series of patients undergoing cardiac surgery. Oxygen uptake measurements for indirect calorimetry were made using a calibrated measurement system utilizing the Haldane transformation in a simple semiclosed breathing system based upon a modified Bain circuit. Pulmonary blood flow for the reverse Fick method was measured using bolus thermodilution. The results were (mean [standard deviation]): indirect calorimetry 167 ml.min(-1), and reverse Fick 148 ml.min(-1). Indirect calorimetry overestimated the reverse Fick value by 11.3% (p < 0.001). These results are consistent with the findings of previous studies in similar patient groups and are explained by lung tissue oxygen consumption.|
|Internal ID Number:||15644011|
Coronary Artery Bypass
Pulmonary Gas Exchange
Reproducibility of Results
|Appears in Collections:||Journal articles|
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