Drug-Eluting Stent Implantation Could Be Associated With Long-Term Coronary Endothelial Dysfunction Comparison Between Sirolimus-Eluting Stent and Paclitaxel-Eluting Stent:Comparison Between Sirolimus-Eluting Stent and Paclitaxel-Eluting Stent
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概要
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Drug-eluting stent (DES) implantation may be associated with endothelial dysfunction. However, changes in long-term endothelial function based on the type of DES remain largely unknown. We assessed coronary endothelial function after DES implantation compared to bare-metal stents (BMS) and determined the differences according to DES type. Patients who had single BMS or DES implantation in the left anterior descending artery and showed no restenosis in follow-up angiography at 6 to 9 months were assigned to the BMS group (5 patients) or DES group (9 sirolimus-eluting stents, SES, and 8 paclitaxel-eluting stents, PES). Endothelium-dependent vasomotion, after intracoronary infusion of acetylcholine, was determined by quantitative coronary angiography. Also, endothelium-independent vasomotion was assessed after nitrate infusion. In the distal and far distal segments, the SES (SES versus BMS, distal: -27.6 ± 16.3% versus -0.6 ± 1.6%; P = 0.01, far distal: -24.8 ± 13.2% versus -0.9 ± 1.3%; P = 0.02) and PES groups (PES versus BMS, distal: -25.4 ± 17.1% versus -0.6 ± 1.6%; P = 0.01, far distal: -26.6 ± 15.9% versus -0.9 ± 1.3%; P = 0.01) had similar patterns showing significant vasoconstriction compared with the BMS group. In addition, the DES group showed a significant reduction of diameter in distal (SES: P = 0.001, PES: P = 0.04) and far distal segments (SES: P = 0.002, PES: P = 0.001) compared with proximal and near proximal segments. However, the BMS group did not demonstrate significantly different vasomotion between proximal and distal segments. Vasodilatation by nitrate infusion was preserved in all subjects. SES or PES implantation could be associated with the similar pattern of endothelial dysfunction identified predominantly in the long distal portion of the treated vessel.
- International Heart Journal刊行会の論文
著者
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Lee Man
Division of Cardiology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan Univ
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Kim Dong
Division Of Electronic And Electrical Engineering Kyungnam University
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Baek Sang
Division Of Cardiovascular Medicine Seoul St. Mary's Hospital The Catholic University Of Korea
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Chung Wook
Division Of Cardiology Department Of Internal Medicine Seoul St. Mary's Hospital
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Seung Ki-bae
Division Of Cardiology Department Of Internal Medicine Seoul St. Mary's Hospital
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Chang Kiyuk
Division Of Cardiology Department Of Internal Medicine Seoul St. Mary's Hospital
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Kim Pum
Division Of Cardiology Department Of Internal Medicine Seoul St. Mary's Hospital
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SHIN Dong
Division of Cardiology, Department of Internal Medicine, Incheon St. Mary's Hospital
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Jeon Doo
Division of Cardiology, Department of Internal Medicine, Kangnam St. Mary's Hospital, The Catholic University of Korea
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Seung Ki-Bae
Division of Cardiology, Department of Internal Medicine, The Catholic University of Korea
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Lim Sung
Division of Cardiology, Department of Internal Medicine, The Catholic University of Korea
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Chang Kiyuk
Division of Cardiology, Department of Internal Medicine, The Catholic University of Korea
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Kim Mi-Jeong
Division of Cardiology, Department of Internal Medicine, Kangnam St. Mary's Hospital, The Catholic University of Korea
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Chung Wook
Division of Cardiology, Department of Internal Medicine, The Catholic University of Korea
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Baek Sang
Division of Cardiology, Department of Internal Medicine, The Catholic University of Korea
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Kim Mi-Jeong
Division of Cardiology, Department of Internal Medicine, Kangnam St. Mary's Hospital, The Catholic University of Korea
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