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Standard versus high loading doses of clopidogrel in Asian ST-segment elevation myocardial infarction patients undergoing percutaneous coronary intervention: insights from the Korea Acute Myocardial Infarction Registry

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Author(s)
허승호
Alternative Author(s)
Hur, Seung Ho
Publication Year
2011
Abstract
Background The optimal loading dose of clopidogrel in Asian patients with ST-segment elevation myocardial infarction
(STEMI) has not been fully investigated. We compared bleeding, vascular complications, and midterm outcomes of a 300-mg
versus a 600-mg loading dose of clopidogrel in a large series of Korean patients with STEMI undergoing primary percutaneous
coronary intervention (PCI).
Methods A total of 2,664 STEMI patients (age 61.96 ± 11.91 years, men 70.4%) who underwent primary PCI were
enrolled in this study. The patients were divided into a standard loading dose group (300 mg; n = 1,447 patients) and a high
loading dose group (600 mg; n = 1,217 patients). Bleeding and vascular complications, and in-hospital and clinical outcomes
up to 12 months were compared between the 2 groups.
Results In-hospital bleeding and vascular complications were similar between the 2 groups. There were no differences in
bleeding and vascular complications and in 1- and 12-month clinical outcomes, including mortality, myocardial infarction,
repeated PCI, and major adverse cardiac events, between the 2 groups. These findings were consistent even after the
propensity score–matched analysis.
Conclusions The standard loading dose of clopidogrel may be as safe and similarly effective as the high loading dose
in Asian STEMI patients undergoing primary PCI. (Am Heart J 2011;161:373-382.e3.)
Department
Dept. of Internal Medicine (내과학)
Cardiovascular Research Center (심혈관연구소)
Publisher
School of Medicine
Citation
American Heart Journal, Vol.161(2) : 373-382, 2011
Type
Article
ISSN
0002-8703
DOI
10.1016/j.ahj.2010.10.031
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/35431
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