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Stress myocardial perfusion single-photon emission computed tomography is clinically effective and cost effective in risk stratification of patients with a high likelihood of coronary artery disease (CAD) but no known CAD

Rory Hachamovitch, MD, MSc, FACC^*, Sean W. Hayes, MD, John D. Friedman, MD, FACC, Ishac Cohen, PhD and Daniel S. Berman, MD, FACC^,*

^* Cardiovascular Division, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, USA
Departments of Imaging (Division of Nuclear Medicine) and Medicine (Division of Cardiology), Cedars-Sinai Medical Center and Department of Medicine, University of California at Los Angeles School of Medicine, Los Angeles, California, USA

View larger version (15K): [in a new window]   Figure 1 Risk-adjusted survival curves based on Cox proportional hazards analysis for patients undergoing exercise (A) and adenosine stress (B) as a function of scan results: normal, mildly abnormal (Abnl), and moderate to severely abnormal (Mod-Sev Abnl). p < 0.001 for both, across categories of scan results.