Key result
Arterial thermodilution accurately measured cardiac output compared to pulmonary artery thermodilution (mean 2.29 vs 2.28 L/min; correlation coefficient 0.95, limits of agreement -0.86 to 0.78).
Why the study?
Does the arterial thermodilution technique accurately measure cardiac output compared to pulmonary artery thermodilution in an animal model of hypovolemic shock?
Population
17 anaesthetized dogs studied during hypovolaemic shock and fluid resuscitation
Comparison
Arterial thermodilution technique for measuring… vs Pulmonary artery thermodilution technique
Design
Preclinical
Authors
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Supports arterial thermodilution for CO monitoring in animal hypovolemic shock; hypothesis-generating for human translation.
Does the arterial thermodilution technique accurately measure cardiac output compared to pulmonary artery thermodilution in an animal model of hypovolemic shock?
Effect estimate: correlation coefficient 0.95
Absolute Event Rate: 2.29% vs 2.28%
Arterial thermodilution provides accurate cardiac output measurements comparable to pulmonary artery thermodilution even during low cardiac output states like severe bleeding and shock.
Friedman et al. (2002) studied hypovolaemic shock and fluid resuscitation (n=17). Arterial thermodilution technique vs. Pulmonary artery thermodilution technique was evaluated on Cardiac output (correlation coefficient 0.95). Arterial thermodilution accurately measured cardiac output compared to pulmonary artery thermodilution (mean 2.29 vs 2.28 L/min; correlation coefficient 0.95, limits of agreement -0.86 to 0.78).
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