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Low-molecular-weight heparin versus unfractionated heparin in acute ST-segment elevation myocardial infarction patients undergoing primary percutaneous coronary intervention with drug-eluting stents.

Authors
 Yong-Jian Li  ;  Seung-Woon Rha  ;  Kang-Yin Chen  ;  Kanhaiya L. Poddar  ;  Zhe Jin  ;  Yoshiyasu Minami  ;  Lin Wang  ;  Qun Dang  ;  Guang-Ping Li  ;  Sureshkumar Ramasamy  ;  Ji-Young Park  ;  Chol Ung Choi  ;  Jin-Won Kim  ;  Eung Ju Kim  ;  'Chang Gyu Park  ;  Hong Seog Seo  ;  Dong Joo Oh  ;  Myung Ho Jeong  ;  Young Keun Ahn  ;  Taek Jong Hong  ;  Jong-Seon Park  ;  Young Jo Kim  ;  Seung Ho Hur  ;  In Whan Seong  ;  Jei Keon Chae  ;  Myeong Chan Cho  ;  Jang Ho Bae  ;  Dong Hoon Choi  ;  Yang Soo Jang  ;  In Ho Chae  ;  Hyo Soo Kim  ;  Chong Jin Kim  ;  Jung Han Yoon  ;  Tae Hoon Ahn  ;  Seung-Jea Tahk  ;  Wook Sung Chung  ;  Ki Bae Seung  ;  Seung Jung Park 
Citation
 AMERICAN HEART JOURNAL, Vol.159(4) : 684-1, 2010 
Journal Title
 AMERICAN HEART JOURNAL 
ISSN
 0002-8703 
Issue Date
2010
MeSH
Aged ; Angioplasty, Balloon, Coronary* ; Anticoagulants/administration & dosage* ; Drug Therapy, Combination ; Drug-Eluting Stents ; Electrocardiography ; Enoxaparin/administration & dosage* ; Female ; Humans ; Male ; Middle Aged ; Myocardial Infarction/drug therapy ; Myocardial Infarction/therapy* ; Treatment Outcome
Abstract
BACKGROUND: Whether low-molecular-weight heparin (LMWH) is superior to unfractionated heparin (UFH) in acute ST-segment elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI) with drug-eluting stents (DESs) remains unclear. METHODS: A total of 3,372 STEMI patients who underwent primary PCI with DESs received either LMWH (n = 1,531 patients, subcutaneous enoxaparin 1 mg/kg, bid for 3-5 days plus reduced dose of UFH [50 U/kg] during PCI) or UFH alone (n = 1,841 patients, intravenous bolus injection of 5,000 U, followed by 24,000 U/d infusion for at least 48 hours). The bleeding events and clinical outcomes during in-hospital and at 8 months were compared. RESULTS: The incidences of major and minor bleeding events were similar between the 2 groups. Multivariable Cox regression analysis showed that LMWH group had lower incidences of cardiac death (adjusted odds ratio [OR] 0.55, 95% CI 0.39-0.77, P < .001), total death (adjusted OR 0.50, 95% CI 0.37-0.68, P < .001), and total major adverse cardiac events (adjusted OR 0.77, 95% CI 0.62-0.95, P = .017) at 8 months as compared with UFH group. Similar results were obtained across different subgroups including different DESs, age, and sex. CONCLUSIONS: The LMWH enoxaparin combined with reduced dose of UFH (50 U/kg) administration as an adjunctive antithrombotic therapy in STEMI patients undergoing primary PCI with DESs seems to be safe and efficacious. However, randomized clinical trials are needed to confirm this conclusion.
Full Text
http://www.sciencedirect.com/science/article/pii/S0002870310000888
DOI
10.1016/j.ahj.2009.12.041
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Choi, Dong Hoon(최동훈) ORCID logo https://orcid.org/0000-0002-2009-9760
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/101302
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