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저자정보
Yong-Joon Lee (Severance Cardiovascular Hospital) Yongsung Suh (Myongji Hospital) Jung-Sun Kim (Severance Cardiovascular Hospital) Yun-Hyeong Cho (Myongji Hospital) Kyeong Ho Yun (Wonkwang University Hospital) Yong Hoon Kim (Kangwon National University School of Medicine) Jae Young Cho (Wonkwang University Hospital) Ae-Young Her (Kangwon National University School of Medicine) Sungsoo Cho (Dankook University Hospital) Dong Woon Jeon (National Health Insurance Service Ilsan Hospital) Sang-Yong Yoo (Gangneung Asan Hospital) Deok-Kyu Cho (Yongin Severance Hospital) Bum-Kee Hong (Gangnam Severance Hospital) Hyuckmoon Kwon (Gangnam Severance Hospital) Sung-Jin Hong (Severance Cardiovascular Hospital) Chul-Min Ahn (Severance Cardiovascular Hospital) Dong-Ho Shin (Severance Cardiovascular Hospital) Chung-Mo Nam (Yonsei University College of Medicine) Byeong-Keuk Kim (Severance Cardiovascular Hospital) Young-Guk Ko (Severance Cardiovascular Hospital) Donghoon Choi (Severance Cardiovascular Hospital) Myeong-Ki Hong (Severance Cardiovascular Hospital) Yangsoo Jang (Severance Cardiovascular Hospital)
저널정보
대한심장학회 Korean Circulation Journal Korean Circulation Journal Vol.52 No.4
발행연도
2022.4
수록면
324 - 337 (14page)
DOI
https://doi.org/10.4070/kcj.2021.0321

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Background and Objectives: Identifying patients with high bleeding risk (HBR) is important when making decisions for antiplatelet therapy strategy. This study evaluated the impact of ticagrelor monotherapy after 3-month dual antiplatelet therapy (DAPT) according to HBR in acute coronary syndrome (ACS) patients treated with drug eluting stents (DESs). Methods: In this post-hoc analysis of the TICO trial, HBR was defined by 2 approaches: meeting Academic Research Consortium for HBR (ARC-HBR) criteria or Predicting Bleeding Complications in Patients Undergoing Stent Implantation and Subsequent DAPT (PRECISE-DAPT) score ≥25. The primary outcome was a 3?12 months net adverse clinical event (composite of major bleeding and adverse cardiac and cerebrovascular events). Results: Of the 2,980 patients without adverse events during the first 3 months after DES implantation, 453 (15.2%) were HBR by ARC-HBR criteria and 504 (16.9%) were HBR by PRECISE-DAPT score. The primary outcome rate was higher in HBR versus non-HBR patients (by ARC-HBR criteria: hazard ratio [HR], 2.87; 95% confidence interval [CI], 1.76?4.69; p<0.001; by PRECISE-DAPT score: HR, 3.09; 95% CI, 1.92?4.98; p<0.001). Ticagrelor monotherapy after 3-month DAPT was associated with lower primary outcome rate than ticagrelor-based 12-month DAPT regardless of HBR by ARC-HBR criteria, with similar magnitudes of therapy effect for HBR and non-HBR patients (p-interaction=0.400). Results were consistent by PRECISE-DAPT score (p-interaction=0.178). Conclusions: In ACS patients treated with DESs, ticagrelor monotherapy after 3-month DAPT was associated with lower rate of adverse clinical outcomes regardless of HBR, with similar magnitudes of therapy effect between HBR and non-HBR.

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