Abstract
Percutaneous coronary interventions (PCI) of bifurcation lesions using simultaneous kissing stents (SKS) technique have shown to have good short-term and mid-term results. Limited data are available regarding long-term outcome with this strategy. Methods: We analyzed the long-term outcome of 300 consecutive patients treated with drug-eluting stenting using SKS technique for 305 de novo bifurcation lesions. Cypher stents were used in 265 lesions and Taxus stents were used in 40 lesions, from May 2003 to September 2006 at Mount Sinai Hospital. Clinical follow-up was obtained in 98.6%. All pts were given Aspirin and Plavix 75 mg daily for one year and GP IIb/IIIa inhibitors were used in 72% of cases. Results: Overall procedural success was 99% for main vessel (MV) and 98% for side-branch (SB), with one case of intra-procedural stent thrombosis of left main bifurcation. 30-day MACE (MI, death, repeat target vascularization or stent thrombosis) occurred in 5% of cases. Long-term follow-up results at a mean of 14 ± 5 months are shown in the Table . Overall incidence of stent thrombosis was 1.7% (1.5% for Cypher vs. 2.5% for Taxus). Multivariate predictors of TVR were left main (LM) intervention (odds ratio [OR] 4.97; 95% confidence interval [CI] 2.00 to 12.37, p = 0.01) and diabetes mellitus (OR 4.21; 95% CI 1.15 to 18.56, p = 0.04) and of follow-up MACE were LM intervention (OR 3.79; 95% CI 1.76 to 8.14, p = 0.01) and acute MI (OR 3.24; 95% CI 0.95 to 15.32, p = 0.02). Conclusions: The SKS technique for bifurcation lesions using Cypher or Taxus DES is associated with long-term favorable outcomes in this complex, high-risk PCI group. Delayed stent thrombosis with dual antiplatelet therapy remains within acceptable limits. Further work is needed to lower the event rates in some specific subgroups such as LM lesions and AMI settings (perhaps by IVUS guidance and Plavix 75 mg twice a day).
Published Version
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