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Comparative Study
Room-temperature thermodilution cardiac output: proximal injectate lumen vs proximal infusion lumen.
- G R Pesola, B Ayala, and L Plante.
- Department of Anesthesiology and Critical Care Medicine, Albert Einstein University at Montefiore Hospital, Bronx, NY.
- Am. J. Crit. Care. 1993 Mar 1;2(2):132-3.
ObjectiveTo assess the accuracy of room-temperature thermodilution cardiac output measurements from the venous infusion port.DesignCentral venous port cardiac output measurements were compared with venous infusion port measurements in 48 right-heart catheters.InterventionThree 10-mL injections of 5% dextrose in water were made through each port. The order of port injection was random.ResultsThe cardiac outputs were 5.8 +/- 1.8 L/min from both ports, with no difference between ports (paired t test).ConclusionRoom-temperature thermodilution cardiac output determinations from the venous infusion port can be used in place of central venous port cardiac outputs if the central venous port becomes nonfunctional.
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