Functional status and quality of life in patients with heart failure undergoing coronary bypass surgery after assessment of myocardial viability
Thomas H. Marwick, MD, PhD, FACCa,
Charis Zuchowski, BSa,
Michael S. Lauer, MD, FACCa,
Maria-Anna Secknus, MDa,
M. John Williams, MDa and
Bruce W. Lytle, MD, FACCa
a Department of Cardiology, Cleveland Clinic Foundation, Cleveland, Ohio, USA

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Figure 1 Relationship between extent of viable myocardium by PET (A), hibernating myocardium by PET (B) and total viable myocardium by DbE (C) and change in exercise capacity.
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Figure 2 Receiver operating characteristic (ROC) curves of prediction of an improvement of exercise capacity by the extent of viable myocardium by PET and DbE.
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Figure 3 Change of quality of life scores after coronary artery bypass surgery.
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Figure 4 Relationship between quality of life (before and after surgery, and normal range) and the extent of viable myocardium (in tertiles).
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