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Ticagrelor versus clopidogrel in acute myocardial infarction patients with multivessel disease...
  • 작성일2021-02-23
  • 최종수정일2021-02-23
  • 담당부서연구기획과
  • 연락처043-719-8033
  • 724

Journal of Cardiology, 2020.75(5), 478-484, DOI: https://doi.org/10.1016/j.jjcc.2019.11.003


Ticagrelor versus clopidogrel in acute myocardial infarction patients with multivessel disease; From Korea Acute Myocardial Infarction Registry-National Institute of Health

Joon Ho Ahn, Young keun Ahn; Myung Ho Jeong; Ju Han Kim; Young Joon Hong; Doo Sun Sim; Min Chul Kim; Jin Yong Hwang; Jung Han Yoon; In Whan Seong; Seung-Ho Hur; SeokKyu Oh


Abstract

    Background: The clinical efficacy of ticagrelor is questionable in East Asian populations. Patients with acute myocardial infarction (AMI) with multivessel disease (MVD) are considered as high risk patients who might benefit from ticagrelor treatment. The purpose of this study is to compare the clinical effect of ticagrelor and clopidogrel in AMI patients with MVD in Korea.
    Methods and results: A total of 2275 patients between November 2011 and June 2015, diagnosed with AMI with MVD after successful percutaneous coronary intervention who were registered in the Korea Acute Myocardial Infarction Registry - National Institute of Health (KAMIR-NIH) were enrolled. Patients were divided into ticagrelor (n = 837) and clopidogrel group (n = 1438). The primary endpoint was major adverse cardiac events (MACE) defined as cardiac death, non-fatal MI, target vessel revascularization, or ischemic stroke during 2 years of clinical follow-up. Secondary endpoints were thrombolysis in myocardial infarction (TIMI) major or minor bleeding, net clinical event composed of MACE and TIMI major bleeding, any repeated percutaneous coronary intervention, heart failure requiring re-hospitalization, and stent thrombosis. After propensity score matching analysis, the primary endpoint was lower in ticagrelor group compared to the clopidogrel group (8.6 % vs. 11.9 %; HR: 0.68; 95 % CI: 0.50-0.94; p = 0.018). The risk of TIMI major or minor bleeding was higher in the ticagrelor group (10.8 % vs. 4.8 %; HR: 2.51; 95 % CI: 1.68-3.76; p < 0.001). The net clinical event was similar between ticagrelor and clopidogrel group (11.3 % vs. 13.6 %; HR 0.82; 95 % CI: 0.60-1.11; p = 0.195).
    Conclusion: Ticagrelor significantly reduced the risk of MACE than clopidogrel for AMI patients with MVD in Korea. However, the risk of TIMI major or minor bleeding was higher and the net clinical benefit was similar. Further large-scale multi-center randomized clinical trials are needed to clarify the proper use dual antiplatelet therapy in East Asian populations.



  • 본 연구는 질병관리본부 연구개발과제연구비를 지원받아 수행되었습니다.
  • This research was supported by a fund by Research of Korea Centers for Disease Control and Prevention.


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