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

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Class IIa Guidelines

 * 1) For patients with UA / NSTEMI and multi vessel disease, CABG with use of the internal mammary arteries can be beneficial over PCI in patients being treated for diabetes. (Level of Evidence: B)
 * 2) It is reasonable to perform CABG with the internal mammary artery for UA / NSTEMI patients with multi vessel disease and treated diabetes mellitus. (Level of Evidence: B)
 * 3) Repeat CABG is reasonable for UA / NSTEMI patients with multiple SVG stenoses, especially when there is significant stenosis of a graft that supplies the LAD. (Level of Evidence: C)
 * 4) Coronary artery bypass graft surgery (or PCI) is reasonable for UA / NSTEMI patients with 1 or 2 vessel CAD with or without significant proximal left anterior descending CAD but with a moderate area of viable myocardium and ischemia on non invasive testing. (Level of Evidence: B)
 * 5) Coronary artery bypass graft surgery (or PCI) can be beneficial compared with medical therapy for UA / NSTEMI patients with 1 vessel disease with significant proximal left anterior descending CAD. (Level of Evidence: B)
 * 6) Coronary artery bypass surgery (or PCI with stenting) is reasonable for patients with multi vessel disease and symptomatic myocardial ischemia. (Level of Evidence: B)