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Vitamin K epoxide reductase complex subunit 1 gene polymorphism is associated with atherothrombotic complication after drug-eluting stent implantation: 2-Center prospective cohort study

Cited 7 time in Web of Science Cited 6 time in Scopus
Authors
Suh, Jung-Won; Back, Sang-Hong; Park, Din-Shik; Kang, Hyun Jae; Choi, Dong Ju; Kim, Pum Joon; Kim, Hyo-Soo; Seung, Ki-Bae; Park, Hun Jun; Chae, In-Ho
Issue Date
2009-05
Publisher
MOSBY-ELSEVIER
Citation
AMERICAN HEART JOURNAL; Vol.157 5; 908-912
Abstract
Background Single nucleotide polymorphisms of vitamin K epoxide reductase complex subunit 1 (VKORC1) was reported to have association with arterial vascular disease. We investigated whether single nucleotide polymorphism of VKORC1 +2255 is associated with clinical outcomes among patients who underwent drug-eluting stent (DES) implantation. Methods We prospectively collected genomic DNA in patients who underwent DES deployment from September 2003 to December 2006 and compared clinical outcomes according to their VKORC1 genotype at the locus + 2255 (rs 2359612). The primary end point was composite of atherothrombotic events (cardiac death, myocardial infarction, and nonhemorrhagic stroke). Results Mean follow-up duration was 631 251 days. Genotyping was completed in 764 cases (TT genotype [n = 640, 83.8%] vs non-TT [CC or CT] genotype [n = 124, 16.2%]). Non-TT group showed more composite events than TT group (7.3% vs 3.0%, P = .032). In the Cox regression analysis, non-TT genotype of VKORC gene was a significant predictor of atherothrombotic events (hazard ratio 2.56, 95% confidence interval 1.14-5.78). In the event-free survival analysis, non-TT group also showed significantly poorer cardiovascular events-free survival rate than TT group (P = .02). Conclusions VKORC1 genotype is associated with cardiovascular events in patients with DES implantation, suggesting the role of coagulation system. (Am Heart J 2009;157:908-12.)
ISSN
0002-8703
Language
English
URI
https://hdl.handle.net/10371/76447
DOI
https://doi.org/10.1016/j.ahj.2009.02.001
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College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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