The Living Guidelines: Recommendations for Revascularization with PCI and CABG in Asymptomatic Patients Suggest Revisions to the CLASS I Guidelines

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Class I Guidelines

 * 1) Coronary artery by-pass grafting for patients with significant left main coronary artery disease. (Class I Level of Evidence: B)
 * 2) Coronary artery by-pass grafting for patients with three-vessel disease. The survival benefit is greater in patients with abnormal left ventricular function (left ventricular ejection fraction <50%). (Class I Level of Evidence: C)
 * 3) Coronary artery by-pass grafting for patients with two vessel disease with significant proximal LAD coronary artery disease and either abnormal left ventricular function (ejection fraction less than 50%) or demonstrable ischemia on noninvasive testing. (Class I Level of Evidence: C)
 * 4) Percutaneous coronary intervention for patients with two or three vessel disease with significant proximal LAD coronary artery disease who have anatomy suitable for catheter based therapy and normal left ventricular function and who do not have treated diabetes mellitus. (Class I Level of Evidence: C)
 * 5) Percutaneous coronary intervention or CABG for patients with one or two vessel coronary artery disease without significant proximal LAD coronary artery disease but with a large area of viable myocardium and high risk criteria on non invasive testing. (Class I Level of Evidence: C)
 * 6) Coronary artery by-pass grafting for patients with one or two vessel coronary artery disease without significant proximal LAD coronary artery disease who have survived sudden cardiac death or sustained ventricular tachycardia. (Class I Level of Evidence: C)
 * 7) In patients with prior PCI, CABG or PCI for recurrent stenosis associated with a large area of viable myocardium or high-risk criteria on non invasive testing. (Class I Level of Evidence: C)