Key findings of the study:
- Using PET scans instead of SPECT scans resulted in increased rates of diagnosis of severe obstructive coronary artery disease from 70 percent to 79 percent.
- PET scans were associated with a lower incidence of invasive catheterization without identification of severe coronary artery disease (43% vs 55%).
- Overall, PET more successfully identified patients with severe obstructive CAD and need for revascularization; compared to SPECT, PET scans increased true positives and reduced false positives for severe coronary artery disease.
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