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Improved diagnosis of post-operative myocardial infarction by contrast echocardiography after coronary artery bypass graft surgery
F Schnell, E Donal, A Bernard... - European ..., 2011 - Objective Contrast echocardiography is a more accurate means of assessment of left ventricular (LV) regional motion compared with non-enhanced echocardiography. Despite new tests, the diagnosis of post-operative myocardial infarction (MI) remains difficult. The ...
Results The post-operative intra- and interobserver reproducibility of echocardiographic measurements of the LV ejection fraction and wall motion score was significantly higher with than without contrast enhancement. The proportion of non-visualized LV myocardial segments was significantly greater with non-enhanced (6.6%) than with contrast (0.3%) echocardiography (P< 0.0001). The mean peak serum cardiac troponin (c Tn I) concentration was significantly higher in the group of patients with new wall motion abnormalities detected with contrast-enhanced echocardiography. A correlation was found (r = −0.43, P< 0.01) between peak c Tn I and changes in wall motion score only when a contrast agent was used.
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Improved diagnosis of post-operative myocardial infarction by contrast echocardiography after coronary artery bypass graft surgery |
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