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Comparison of provisional 1-stent and 2-stent strategies in diabetic patients with true bifurcation lesions: the EES bifurcation study



Comparison of provisional 1-stent and 2-stent strategies in diabetic patients with true bifurcation lesions: the EES bifurcation study



Journal of Invasive Cardiology 26(12): 619-623



Percutaneous coronary intervention (PCI) of true bifurcation lesions (Medina classification 1, 1, 1; 1, 0, 1; or 0, 1, 1) is challenging and may involve either a 1-stent strategy with provisional side branch stenting, or a 2-stent strategy. Diabetes mellitus is associated with greater atherosclerotic burden and higher incidence of bifurcation lesions, and unfavorable outcomes after PCI. It is unknown whether use of newer everolimus-eluting stent (EES) implantation impacts relative outcomes of 1-stent and 2-stent strategies in patients with diabetes. We performed a retrospective analysis of consecutive patients with diabetes mellitus and complex true bifurcation lesions (side branch diameter >2.0 mm) who underwent PCI with EES between February 2010 and December 2011. We grouped subjects based on initial treatment to a 1-stent (n = 81) or 2-stent (n = 54) strategy, and compared baseline characteristics, quantitative coronary angiography, and 1-year major adverse cardiovascular event (MACE) rates, defined as death, myocardial infarction, target lesion revascularization (TLR), or target vessel revascularization (TVR). Baseline characteristics were well matched. A 2-stent strategy was associated with larger side-branch reference vessel diameter at baseline and post PCI. In-hospital events included 1 periprocedural myocardial infarction in each group and no deaths. At 1 year, there was no significant difference between 1-stent and 2-stent strategies in TVR rates (6.2% vs 3.7%; P=.53), TLR (both 3.7%; P>.99), or MACE (7.4% vs 3.7%; P=.37). In this series of diabetic patients undergoing complex bifurcation PCI using EES implantation, there was no difference between 1-stent and 2-stent strategies with respect to ischemic events at 1 year.

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Accession: 057470323

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PMID: 25480989


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