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Prognostic value of myocardial viability and ischemia detected by dobutamine stress echocardiography early after acute myocardial infarction treated with thrombolysis

^a Department of Cardiology and Biometry Unit, IRCCS Policlinico San Matteo, University of Pavia School of Medicine, Pavia, Italy

View larger version (12K): [in a new window]   Figure 1 Kaplan-Meier event-free survival curves for hard events in patients with myocardial viability and ischemia (group 1), myocardial viability without ischemia (group 2) and no myocardial viability (group 3) during dobutamine stress echocardiography. Cumulative survival free of hard events was significantly lower (p < 0.05) in group 1 compared to group 2 patients, whereas the difference between group 1 and group 3 did not reach statistical significance.

View larger version (12K): [in a new window]   Figure 2 Kaplan-Meier event-free survival curves for spontaneous events in patients with myocardial viability and ischemia (group 1), myocardial viability without ischemia (group 2) and no myocardial viability (group 3) during dobutamine stress echocardiography. Cumulative survival free of spontaneous events was significantly lower in group 1 patients compared to group 2 (p < 0.002) and group 3 patients (p < 0.005), whereas no difference was present between group 2 and 3.