Abstract
ObjectiveRecent studies have suggested that metformin may inhibit endothelialization following limus-eluting stent (LES) placement and may increase the risk of stent thrombosis. Therefore, we assessed the impact of metformin on stent thrombosis and major adverse cardiovascular events (MACE) in non-insulin-dependent diabetes mellitus (NIDDM) patients who receive drug-eluting stents (DES). MethodsWe assessed the impact of metformin and stent type on stent thrombosis, MACE, and death in NIDDM patients following DES placement. Of the 1201 patients included, 74.8% received LES, 25.2% received paclitaxel-eluting stents (PES), and 55% were taking metformin. ResultsThere was no difference in stent thrombosis, regardless of stent type or metformin use. While Kaplan–Meier curves demonstrated reduced MACE (p = 0.007) and death (p = 0.006) with metformin use, multivariate analysis demonstrated that stent type and metformin use were not associated with outcome. ConclusionIn NIDDM patients, metformin use or stent type following DES placement did not increase stent thrombosis and MACE rates.
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