Association of diabetes with outcomes in patients undergoing contemporary percutaneous coronary intervention: Pre-specified subgroup analysis from the randomized GLOBAL LEADERS study.
Atherosclerosis(2020)
摘要
BACKGROUND AND AIMS:Diabetes has been well recognized as a strong predictor for adverse outcomes after percutaneous coronary intervention (PCI), however, studies in the era of drug-eluting stent and potent P2Y12 inhibitors have shown conflicting results. We aimed to assess ischemic and bleeding outcomes after contemporary PCI according to diabetic status.
METHODS:We studied 15,957 patients undergoing PCI for stable or acute coronary syndrome in the GLOBAL LEADERS study with known baseline diabetic status. The primary endpoint was all-cause death or new Q-wave myocardial infarction at 2 years. The secondary safety endpoint was major bleeding defined as bleeding academic research consortium (BARC) type 3 or 5.
RESULTS:A quarter of the study cohort were diabetic (4038/15,957), and these patients had a significantly higher risk of primary endpoint at 2 years compared to non-diabetics (adjusted hazard ratio [HR] 1.38; 95% confidence interval [CI] 1.17-1.63). The difference was driven by a significantly higher risk of all-cause mortality at 2 years in diabetics (adjusted HR 1.47, 95% CI 1.22-1.78). The risk of BARC 3 or 5 bleeding was comparable between the two groups (adjusted HR 1.09, 95% CI 0.86-1.39). The antiplatelet strategy (experimental versus reference strategy) had no significant effect on the rates of primary endpoint and secondary safety endpoint at 2 years in patients with and without diabetes.
CONCLUSIONS:Diabetic patients had higher risk of ischemic events after PCI than non-diabetic patients, whilst bleeding risk was comparable. The outcomes of diabetic patients following PCI were not affected by the two different antiplatelet strategies.
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