The Living Guidelines: Recommendations for Revascularization with PCI and CABG in Patients with Chronic Stable Angina Suggest Revisions to the CLASS III Guidelines

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Class III Guidelines

 * 1) Use of PCI or CABG for patients with 1 or 2 vessel coronary artery disease without significant proximal LAD coronary artery disease, who have mild symptoms that are unlikely due to myocardial ischemia, or who have not received an adequate trial of medical therapy, and a. have only a small area of viable myocardium (Class III Level of Evidence: C)   or b. have no demonstrable ischemia on non invasive testing. (Class III Level of Evidence: C)
 * 2) Use of PCI or CABG for patients with borderline coronary stenoses (50% to 60% diameter in locations other than the left main coronary artery) and no demonstrable ischemia on noninvasive testing. (Class III Level of Evidence: C)
 * 3) Use of PCI or CABG for patients with insignificant coronary stenosis (<50% diameter). (Class III Level of Evidence: C)
 * 4) Use of PCI in patients with significant left main coronary artery disease who are candidates for CABG. (Class III Level of Evidence: B)