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Figure 4 Relationship between the percentage of dysfunctional segments with preserved positive preejection velocity (+VIC) at tissue Doppler imaging in patients with an occlusion of the left anterior descending coronary artery and the change of left ventricular ejection fraction (LVEF) and wall motion score index (WMSI) between baseline and three-month follow-up left ventricular angiograms. Mean LVEF was 47 ± 14% at baseline and 59 ± 12% at follow-up. Corresponding WMSI values were 1.99 ± 0.33 and 1.48 ± 0.36, respectively.