Influence of Angiographic Collateral Circulation on Myocardial Perfusion in Patients with Chronic Total Occlusion of a Single Coronary Artery and No Prior Myocardial Infarction
Fatma Aboul-Enein, MD1,
Saibal Kar, MD2,3,
Sean W. Hayes, MD1,2,
Maria Sciammarella, MD1,
Aiden Abidov, MD1,
Raj Makkar, MD2,
John D. Friedman, MD1,2,3,
Neal Eigler, MD2 and
Daniel S. Berman, MD1,2,3
1 Division of Nuclear Medicine, Department of Imaging, Cedars-Sinai Medical Center, Los Angeles, California
2 Division of Cardiology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
3 Department of Medicine, School of Medicine, University of California, Los Angeles, California

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FIGURE 1. CTO MPS scores as a function of coronary collateral group. Group I patients (less than excellent collaterals) are shown by open symbols; group II patients (excellent collaterals), by closed symbols.
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Copyright © 2004 by the Society of Nuclear Medicine.