A, Coronary angiograms from a patient with chronic occlusion of the left anterior descending coronary artery (top) during recanalization, immediately after successful recanalization and at 4-month follow-up angiography (bottom). B, Left ventricular angiography (end-diastolic and end-systolic frames) from the same patient at baseline (left) and at follow-up (right). Ejection fraction improved from 44% to 68%. Wall motion improved from −2.6 to −0.4 SD. C, Midventricular short-axis nuclear images from the same patient. Preoperative images using Tc-99m sestamibi scintigraphy (left panels) and positron emission tomography with F-18 fluorodeoxyglucose (middle panels) are shown. In the anteroseptal wall, there is markedly reduced sestamibi uptake with maintained fluorodeoxyglucose uptake in this region. At follow-up perfusion imaging (right panels), sestamibi uptake has considerably improved.