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큰 관상동맥 병변에서 약물방출스텐트와 금속스텐트의 임상경과 비교
김우종 ( Woo Jong Kim ),조장현 ( Jang Hyun Cho ),정종혁 ( Jong Heok Jung ),이민근 ( Min Kun Lee ),윤재성 ( Jae Sung Yoon ),안용수 ( Young Soo Ahn ),황영준 ( Young Jun Hwang ),정홍명 ( Hong Myung Jung ),김수현 ( Su Hyun Kim ),김준 대한내과학회 2011 대한내과학회지 Vol.80 No.6
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 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. (Korean J Med2011;80:664-671)