Abstract
Diabetes mellitus is a highly prevalent metabolic disorder frequently associated with the development of coronary atherosclerosis. Myocardial revascularization assumes a central role in the treatment of diabetic patients with coronary artery disease. Although coronary artery bypass grafting (CABG) is in principle the revascularization modality of choice in diabetic patients with complex, multivessel disease, percutaneous coronary interventions (PCI) using new-generation drug-eluting stents (DES) remain a valuable treatment option for properly selected diabetic patients. Defining the appropriate revascularization strategy is often a challenging task that requires tailored approaches, accounting for individual patient surgical risk, anatomical configurations, and the technical feasibility of each procedure in addition to careful judgment of the possible benefits and risks inherent to PCI and CABG. Evidence is building that advances in DES technology may mitigate at least in part some of the adverse vascular effects of diabetes; whether this may translate to PCI outcomes comparable with those achieved by CABG is under investigation in randomized trials currently underway. This review article summarizes the indications for myocardial revascularization across the spectrum of clinical presentations and critically discusses current evidence and future perspectives regarding the value of each revascularization mode (CABG vs. PCI) in patients with diabetes.
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