Abstract
We investigated the safety and efficacy of drug-eluting stents (DESs) for the treatment of patients who presented with in-stent restenosis (ISR) of saphenous vein grafts (SVGs) and compared the in-hospital and 6-month clinical outcomes of DESs with those of intravascular brachytherapy and balloon angioplasty alone. Records of 187 patients who presented with ISR of SVGs were analyzed. Of these, 34 consecutive patients were treated with DES implantation, 93 were treated with intravascular brachytherapy (n = 60 with gamma-radiation, n = 33 with beta-radiation), and 60 patients underwent conventional treatment with balloon angioplasty alone. Clinical and angiographic characteristics at baseline were comparable between groups. The DES group had less non-Q-wave myocardial infarction than did the intravascular brachytherapy and balloon angioplasty groups (0%, 20%, and 26%, p = 0.003 and <0.001, respectively). At 6 months, death occurred in 0% of the DES group, 2% of the intravascular brachytherapy group, and 5% of the balloon angioplasty group (p = 0.36 and <0.18, respectively). Target lesion revascularization/major adverse cardiac events were similar in the intravascular brachytherapy and DES groups (12% and 3%, p = 0.13) and signifi...Continue Reading
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