The Living Guidelines: UA/NSTEMI Recommendations for CABG Suggest Revisions to the CLASS I Guidelines

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Class I Guidelines

 * 1) Coronary artery bypass graft surgery is recommended for UA / NSTEMI patients with significant left main CAD (>50% stenosis). (Level of Evidence: A)
 * 2) Coronary artery bypass graft surgery is recommended for UA / NSTEMI patients with 3-vessel disease; the survival benefit is greater in patients with abnormal LV function (LVEF<50%). (Level of Evidence: A)
 * 3) Coronary artery bypass graft surgery is recommended for UA / NSTEMI patients with 2 vessel disease with significant proximal LAD disease and either abnormal LV function (LVEF <50%) or ischemia on non invasive testing. (Level of Evidence: A)
 * 4) Coronary artery bypass graft surgery is recommended for UA / NSTEMI patients in whom percutaneous coronary revascularization is not optimal or possible and who have ongoing ischemia not responsive to maximal nonsurgical therapy. (Level of Evidence: B)
 * 5) Coronary artery bypass graft surgery (or PCI) is recommended for UA / NSTEMI patients with 1 or 2 vessel CAD with or without significant proximal left anterior descending CAD but with a large area of viable myocardium and high risk criteria on noninvasive testing. (Level of Evidence: B)
 * 6) Coronary artery bypass graft surgery (or PCI) is recommended for UA / NSTEMI patients with multivessel coronary disease with suitable coronary anatomy, with normal LV function, and without diabetes mellitus. (Level of Evidence: A)