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Short-Term Versus Long-Term Dual Antiplatelet Therapy After Drug-Eluting Stent Implantation in Elderly Patients: A Meta-Analysis of Individual Participant Data From 6 Randomized Trials

Authors
 Seung-Yul Lee  ;  Myeong-Ki Hong  ;  Tullio Palmerini  ;  Hyo-Soo Kim  ;  Marco Valgimigli  ;  Fausto Feres  ;  Antonio Colombo  ;  Martine Gilard  ;  Dong-Ho Shin  ;  Jung-Sun Kim  ;  Byeong-Keuk Kim  ;  Young-Guk Ko  ;  Donghoon Choi  ;  Yangsoo Jang  ;  Gregg W Stone 
Citation
 JACC-CARDIOVASCULAR INTERVENTIONS, Vol.11(5) : 435-443, 2018 
Journal Title
 JACC-CARDIOVASCULAR INTERVENTIONS 
ISSN
 1936-8798 
Issue Date
2018
Keywords
coronary artery disease ; drug-eluting stent(s) ; dual antiplatelet therapy
Abstract
OBJECTIVES: This study sought to evaluate the optimal duration of dual antiplatelet therapy (DAPT) after the implantation of a drug-eluting stent (DES) in elderly patients. BACKGROUND: Qualified studies to evaluate the optimal duration of DAPT in elderly patients have been very limited. METHODS: Using 6 randomized trials that compared short-term (</=6 months) and long-term (12 months) DAPT, individual participant data meta-analysis was performed in elderly patients (>/=65 years of age). The primary study outcome was the 12-month risk of a composite of myocardial infarction, definite or probable stent thrombosis, or stroke. The major secondary outcome was the 12-month risk of major bleeding. RESULTS: The primary outcome risk did not significantly differ between patients receiving short-term and long-term DAPT (hazard ratio [HR]: 1.12; 95% confidence interval [CI]: 0.88 to 1.43; p = 0.3581) in the overall group of study participants. In subgroup analysis, a significant interaction between age and DAPT duration was observed for primary outcome risk (p for interaction = 0.0384). In the subset of younger patients (<65 years of age, n = 6,152), short-term DAPT was associated with higher risk of primary outcome (HR: 1.67; 95% CI: 1.14 to 2.44; p = 0.0082). In elderly patients (n = 5,319), however, the risk of primary outcome did not significantly differ between patients receiving short-term and long-term DAPT (HR: 0.84; 95% CI: 0.60 to 1.16; p = 0.2856). Short-term DAPT was associated with a significant reduction in major bleeding compared with long-term DAPT (HR: 0.50; 95% CI: 0.30 to 0.84; p = 0.0081) in the overall group, and particularly in elderly patients (HR: 0.46; 95% CI: 0.24-0.88; p = 0.0196). CONCLUSIONS: Short-term DAPT after new-generation DES implantation may be more beneficial in elderly patients than in younger patients.
Full Text
https://www.sciencedirect.com/science/article/pii/S1936879817321039
DOI
10.1016/j.jcin.2017.10.015
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Ko, Young Guk(고영국) ORCID logo https://orcid.org/0000-0001-7748-5788
Kim, Byeong Keuk(김병극) ORCID logo https://orcid.org/0000-0003-2493-066X
Kim, Jung Sun(김중선) ORCID logo https://orcid.org/0000-0003-2263-3274
Shin, Dong Ho(신동호) ORCID logo https://orcid.org/0000-0002-7874-5542
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
Hong, Myeong Ki(홍명기) ORCID logo https://orcid.org/0000-0002-2090-2031
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/162056
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