In this large dataset with 3-year follow-up, coronary implantation of EES compared with PES resulted in reduced rates of all-cause mortality, myocardial infarction, ischemia-driven target lesion revascularization, stent thrombosis, and target lesion failure. Further research is warranted to characterize possible interactions between stent type, diabetes, and vessel.

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The use of ionic LOCM ioxaglate was associated with a numerically lower mortality at 1 year as compared to iodixanol in patients who underwent cardiac catheterization. Future studies evaluating long-term safety following exposure to different types of CM are warranted.

R-ISR appears to consist predominantly of focal lesions and occurs in patients at high clinical and angiographic risk, conceivably owing to their unique diabetic and coronary calcification profile. Clinical outcomes are suboptimal irrespective of angiographic pattern or treatment strategy, indicating the recalcitrant nature of the disease, and need for aggressive treatment of cardiovascular risk factors and novel interventional approaches. © 2016 Wiley Periodicals, Inc.