Why the study?
Does the Fick method using different thermodilution techniques accurately measure O2 consumption compared to the gas-exchange method in mechanically ventilated postoperative cardiac surgical patients?
Population
10 mechanically ventilated postoperative cardiac surgical patients
Comparison
O2 consumption determination by the Fick method… vs O2 consumption determination by the gas-exchange…
Design
Cohort, Three randomly applied thermodilution techniques
Authors
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Iced injectate may underestimate VO2 by Fick method in ventilated cardiac patients; leaves open accuracy of room-temperature technique versus gas exchange.
Does the Fick method using different thermodilution techniques accurately measure O2 consumption compared to the gas-exchange method in mechanically ventilated postoperative cardiac surgical patients?
Iced injectate should not be used to assess oxygen consumption by the Fick method in critically ill patients due to significant underestimation compared to gas exchange methods.
Chiolero et al. (1994) studied this question.
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