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FIGURE 3. A representative case: patient 2. Polar maps on myocardial 99mTc perfusion SPECT during dipyridamole-stress and at rest, and timevolume curve (volume [mL]/interval) on QGS (from left to right) before and 1 and 5 mo after OPCAB and BMCT. Compared with before, after OPCAB and BMCT, myocardial perfusion on dipyridamole-stress was ameliorated in posterolateral wall (BMCT site) and anterolateral wall (OPCAB site), although myocardial perfusion at rest was unchanged. LVEF increased 5 mo after compared with before OPCAB and BMCT. LVEDV = LV end-diastolic volume.