Why the study?
Does intraoperative dobutamine stress echocardiography predict myocardial viability in patients undergoing coronary artery bypass graft surgery?
Does intraoperative dobutamine stress echocardiography predict myocardial viability in patients undergoing coronary artery bypass graft surgery?
Intraoperative dobutamine stress echocardiography has high specificity but low sensitivity for predicting nonviable myocardium compared to postoperative thallium imaging in patients undergoing CABG.
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Intraoperative DSE warrants caution for viability assessment in CABG due to limited sensitivity; leaves open its role pending prospective validation.
Leung et al. (2004) studied this question.
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