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- W2022109384 abstract "We investigated the 2-year safety and efficacy of sirolimus-eluting stents. Thirty patients had a single 18-mm sirolimus-eluting coronary stent implanted. Twenty-eight patients underwent angiographic and intravascular ultrasound follow-up at 2 years. No death occurred during the study period. No patient developed in-stent restenosis . One patient had a 52% in-lesion stenosis that required repeated revascularization and another patient underwent target vessel revascularization . Neointimal hyperplasia volume was minimal at 2 years in both groups. This study demonstrates the 2-year safety and efficacy of sirolimus-eluting stenting. The slow release formulation showed slight superiority over the fast-release formulation in preventing late lumen loss, which was minimal in both groups. This-study was a randomized, double-blind study that included 238 patients at 19 medical centers (15 in Europe, 3 in Brazil, and 1 in Mexico). Patients were eligible for the study if they were between 18 and 85 years of age, and had been given a diagnosis of stable or unstable angina or silent ischemia . Additional eligibility criteria were presence of a single primary target lesion in a native coronary artery that was 2.5 to 3.5 mm in diameter and that could be covered by an 18-mm stent stenosis of 51% to 99% of the luminal diameter and a flow rate of grade 1 or higher according to the Thrombolysis in Myocardial Infarction. One hundred twenty patients were randomly assigned to receive the sirolimus-eluting stent, and 118 were assigned to receive the standard stent. At 6 months, the degree of neointimal proliferation, manifested as the mean (±SD) late luminal loss, was significantly lower in the sirolimus-stent group (−0.01 ± 0.33 mm) than in the standard-stent group (0.80 ± 0.53 mm, P < .001). None of the patients in the sirolimus-stent group, as compared with 26.6% of those in the standard-stent group, had restenosis of ≥50% of the luminal diameter ( P < .001). There were no episodes of stent thrombosis . During a follow-up period of up to 1 year, the overall rate of major cardiac events was 5.8% in the sirolimus-stent group and 28.8% in the standard-stent group ( P < .001). The difference was due entirely to the higher rate of revascularization of the target vessel in the standard-stent group. Patients with angina who received sirolimus-eluting stents for the treatment of single, primary lesions in native coronary arteries had no angiographic evidence of late luminal loss or in-stent restenosis at 6 months, no episodes of thrombosis, and a very low rate of cardiac events at 1 year." @default.
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- W2022109384 date "2003-05-01" @default.
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- W2022109384 title "Use of rapamycin-impregnated stents in coronary arteries" @default.
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- W2022109384 doi "https://doi.org/10.1016/s0041-1345(03)00215-x" @default.
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