Key result
Right ventricular performance measured by thermodilution did not correlate well with transesophageal echocardiography overall, but correlated significantly during hemodynamically stable periods in patients without severe right coronary artery disease.
Why the study?
Does transesophageal echocardiography correlate with the thermodilution method for assessing right ventricular function in patients undergoing off-pump coronary artery bypass surgery?
Observational (n=50)
No
Does transesophageal echocardiography correlate with the thermodilution method for assessing right ventricular function in patients undergoing off-pump coronary artery bypass surgery?
TEE and thermodilution methods for assessing RV function do not correlate well during OPCAB, especially in patients with severe right coronary artery disease or during hemodynamic instability.
Caution against interchanging TEE and thermodilution for RV assessment in OPCAB; leaves open optimal method selection during instability or severe RCA disease.
Background: It is important to evaluate the right ventricular (RV) function intraoperatively for optimal management of patients undergoing cardiac surgery. The clinical relevance of thermodilution method to tranesophageal echocardiography (TEE) for the measurements of RV function during off-pump coronary artery bypass surgery (OPCAB) was evaluated in this study.
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Na et al. (2006) conducted an observational in Off-pump coronary artery bypass surgery (OPCAB) (n=50). Transesophageal Echocardiography (TEE) vs. Thermodilution Method was evaluated on Correlation between echocardiographic data (FAC, TAPSE, EDA) and thermodilution data (RVEF, EDVI). Right ventricular performance measured by thermodilution did not correlate well with transesophageal echocardiography overall, but correlated significantly during hemodynamically stable periods in patients without severe right coronary artery disease.
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