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KMID : 0882420110800060664
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Korean Journal of Medicine
2011 Volume.80 No. 6 p.664 ~ p.671
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Clinical Comparison of Drug-Eluting Stents and Bare Metal Stents in Large Coronary Arteri
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Kim Woo-Jong
Cho Jang-Hyun
Jung Jong-Hyuk
Lee Min-Geun
Yoon Jae-Sung
Ahn Young-Soo
Hwang Young-Jun
Jung Hong-Myung
Kim Su-Hyun
Kim Joon-Young
Jeong Myung-Ho
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Abstract
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Background/Aims: Drug-eluting stents (DES) are superior to bare metal stents (BMS) in reducing restenosis rates across a wide range of patients and lesion subsets.This study compared the clinical outcomes of DES versus BMS in patients with large coronary arteries (≥ 3.5 mm).
Methods: The study compared 134 patients (59.9 ± 10.6 years, 90 men, 44 women) who underwent single vessel angioplasty with DESimplantation in large vessels with 115 patients (60.3 ± 8.9 years, 82 men, 33 women) who received BMS. The clinical outcomes at 12 months were compared between groups. The study end points were major adverse cardiac events (MACE), including cardiac death, nonfatal myocardial infarction, and the need for target vessel and target lesion revascularization.
Results: The baseline clinical coronary angiography and procedural characteristics were similar in both groups. The duration of dual antiplatelet therapy was longer in the DES group than in the BMS group (240 ± 2.7 vs. 348 ± 1.7 days, p = 0.042). During the 12-month clinical follow-up, MACE were observed in 13 patients (11.3%) with BMS and 12 patients (9.0%) with DES (p = 0.486).
Conclusions : For coronary stents implanted in large coronary arteries, DES seems to be more favorable, although no significant differences were observed in the clinical outcomes between DES and BMS during a 1-year clinical follow-up.
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KEYWORD
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Coronary diseases, Prognosis, Major cardiac events
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