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ORIGINAL ARTICLES

Immediate procedural and long-term clinical outcomes following drug-eluting stent implantation to ostial saphenous vein graft lesions

, , , , , , & show all
Pages 88-92 | Received 24 Jul 2007, Published online: 10 Jul 2009
 

Abstract

Background: Ostial saphenous vein graft (OSVG) lesions were excluded from all the clinical trials demonstrating significantly lower restenosis rates with drug-eluting stents (DES) compared to bare metal stents (BMS). This study aimed to evaluate the efficacy of DES in OSVG lesions by assessing angiographic and 12-month clinical outcomes. Methods: 70 consecutive patients (70 OSVG lesions) underwent coronary stent implantation between May 2003 and April 2006: 37 lesions received DES and 33 lesions BMS. Endpoints were all cause and cardiovascular mortality, myocardial infarction (MI), target lesion revascularization (TLR), target vessel revascularization (TVR), examined separately and as a combined end-point (major adverse cardiac events, MACE). Results: Procedural (94.6% for DES and 87.9% for BMS) and angiographic (100% for DES and 100% for BMS) success did not differ between the two groups. The only in-hospital events were non-Q wave MI (DES 8.1% versus BMS 12.1%, P=0.69). At 30-day follow-up, there were no other events. Overall, at 1-year follow-up, the BMS group had a higher TLR (30.3% versus 5.4%, P=0.015), TVR (33.3% versus 10.8%, P=0.045) and MACE rate (36.4% versus 10.8%, P=0.024) compared to the DES group. Conclusions: Drug-eluting stent implantation to OSVG lesions achieves better clinical results than BMS but is still associated with a relatively high incidence (10.8%) of revascularization at 1-year follow-up.

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