Cardiothoracic & vascular anesthesia
Comparative Study of Hemodynamic Indices of Fluid Responsiveness by Electrical Cardiometry and Thermodilution Methods After Passive Leg Raise Test in Patients After Coronary Artery Bypass Graft Surgery
Authors' conclusion
The agreement between thermodilution-derived parameters and Electrical Cardiometry-derived hemodynamic indices was clinically unacceptable; therefore, these two techniques cannot be used interchangeably in cardiac surgical patients.
Study context
- Population
- Patients after off-pump CABG in the cardiac surgical ICU, tertiary care cardiac center
- Participants
- 30 patients
- Exposure
- Electrical Cardiometry vs Thermodilution
- Outcome
- Agreement in CO (Electrical Cardiometry vs thermodilution)
Methodological detailsmethod-comparison, single-centre
- Method-comparison
- Single-centre
Main finding
As reported in the abstract
- Correlation before and after passive leg raise (r)
- 0.413 and 0.523
- Bland-Altman bias
- 1.68 L/min
- Precision
- 0.533 L/min
- Limits of agreement (wide)
- −2.55 to −0.8 L/min
- Percentage error before passive leg raise
- 38.62%
- Percentage error after passive leg raise
- 34.24%
Observational data: associations, not effects.
Further findings
Prediction of fluid responsiveness by passive leg raise
- Passive leg raise did not significantly predict fluid responsiveness in intubated or extubated patients
Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.
Original publication
Comparative Study of Hemodynamic Indices of Fluid Responsiveness by Electrical Cardiometry and Thermodilution Methods After Passive Leg Raise Test in Patients After Coronary Artery Bypass Graft Surgery. J Cardiothorac Vasc Anesth. Published 8 January 2026. doi:10.
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