ACC/AATS/AHA/ASE/ASNC/SCAI/SCCT/STS 2017 Appropriate Use Criteria for Coronary Revascularization in Patients With Stable Ischemic Heart Disease: A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, and Society of Th

[...]by definition, there are no Canadian Cardiovascular Society Class 4 patients. Because of the variety of symptoms that may indicate myocardial ischemia, individual patient variation in how they are described and observer variability in the assessment of symptom severity, the writing group chose not to use the Canadian Cardiovascular Society classification system in this document (24,25). [...]many of the indications now include FFR test results.The Role of Patient Preference in the AUC Patients often make decisions about medical treatments without a complete understanding of their options. [...]the writing committee adopted a more compact construct based on the presence of a significant stenosis in a bypass graft or native coronary artery supplying 1, 2, or 3 distinct vascular territories roughly corresponding to the territories of the 3 main coronary arteries. [...]this document represents the current understanding of the clinical benefit of coronary revascularization with respect to health outcomes and survival.