Factors for recurrent stroke among Asian patients with non-valvular atrial fibrillation under non-vitamin K antagonist oral anticoagulant therapy

Background/purpose: Atrial fibrillation (AF) patients with a history of ischemic stroke or transient ischemic attack (TIA) carry excessive risk of recurrent stroke. Real-world data for the Asian population is scarce. This study aimed to investigate the thromboembolism and major bleeding risk of non-...

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Main Authors: Shin-Yi Lin, Sung-Chun Tang, Li-Kai Tsai, Shin-Joe Yeh, Chih-Fen Huang, Jiann-Shing Jeng
Format: Article
Language:English
Published: Elsevier 2020-12-01
Series:Journal of the Formosan Medical Association
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0929664620300401
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author Shin-Yi Lin
Sung-Chun Tang
Li-Kai Tsai
Shin-Joe Yeh
Chih-Fen Huang
Jiann-Shing Jeng
author_facet Shin-Yi Lin
Sung-Chun Tang
Li-Kai Tsai
Shin-Joe Yeh
Chih-Fen Huang
Jiann-Shing Jeng
author_sort Shin-Yi Lin
collection DOAJ
description Background/purpose: Atrial fibrillation (AF) patients with a history of ischemic stroke or transient ischemic attack (TIA) carry excessive risk of recurrent stroke. Real-world data for the Asian population is scarce. This study aimed to investigate the thromboembolism and major bleeding risk of non-vitamin K antagonist oral anticoagulant (NOAC) therapy among Asian patients, and to identify the risk factors of recurrent stroke. Methods: This retrospective study recruited AF patients aged over 20 years, who had a previous stoke or TIA, and received NOAC therapy. Thromboembolic events were recurrent ischemic stroke or TIA, and the major bleeding events were classified according to the PLATO (Platelet Inhibition and Patient Outcomes) criteria. Results: A total of 361 patients (61.2% male) were enrolled for data analysis. The incidence rate for recurrent ischemic stroke or TIA was 3.6 (95% CI = 2.5 to 5.5) per 100 person-years, and 0.9 (95% CI = 0.4 to 1.7) per 100 person-years for major bleeding. Patients with recurrent ischemic stroke or TIA were more likely to have malignancy (hazard ratio [HR] for malignancy = 4.4, 95% CI = 1.9 to 10.3, p = 0.001) and concomitantly take enzyme inducing antiepileptic drugs (EIAED, HR = 8.1, 95% CI = 2.7 to 24.1, p < 0.001). Conclusion: Atrial fibrillation patients with underlying malignancy or concurrently use of EIAED may have increased risk of treatment failure in secondary stroke prevention.
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spelling doaj.art-96bff1718db8450b86a498f8578a2d5f2022-12-21T18:19:51ZengElsevierJournal of the Formosan Medical Association0929-66462020-12-011191217991806Factors for recurrent stroke among Asian patients with non-valvular atrial fibrillation under non-vitamin K antagonist oral anticoagulant therapyShin-Yi Lin0Sung-Chun Tang1Li-Kai Tsai2Shin-Joe Yeh3Chih-Fen Huang4Jiann-Shing Jeng5Department of Pharmacy, National Taiwan University Hospital, Taipei, Taiwan; School of Pharmacy, College of Medicine, National Taiwan University, Taipei, TaiwanStroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, TaiwanStroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, TaiwanStroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, TaiwanDepartment of Pharmacy, National Taiwan University Hospital, Taipei, Taiwan; School of Pharmacy, College of Medicine, National Taiwan University, Taipei, TaiwanStroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan; Corresponding author. No. 7, Chung-Shan South Road, Taipei 100, Taiwan. Fax: +886 2 23418395.Background/purpose: Atrial fibrillation (AF) patients with a history of ischemic stroke or transient ischemic attack (TIA) carry excessive risk of recurrent stroke. Real-world data for the Asian population is scarce. This study aimed to investigate the thromboembolism and major bleeding risk of non-vitamin K antagonist oral anticoagulant (NOAC) therapy among Asian patients, and to identify the risk factors of recurrent stroke. Methods: This retrospective study recruited AF patients aged over 20 years, who had a previous stoke or TIA, and received NOAC therapy. Thromboembolic events were recurrent ischemic stroke or TIA, and the major bleeding events were classified according to the PLATO (Platelet Inhibition and Patient Outcomes) criteria. Results: A total of 361 patients (61.2% male) were enrolled for data analysis. The incidence rate for recurrent ischemic stroke or TIA was 3.6 (95% CI = 2.5 to 5.5) per 100 person-years, and 0.9 (95% CI = 0.4 to 1.7) per 100 person-years for major bleeding. Patients with recurrent ischemic stroke or TIA were more likely to have malignancy (hazard ratio [HR] for malignancy = 4.4, 95% CI = 1.9 to 10.3, p = 0.001) and concomitantly take enzyme inducing antiepileptic drugs (EIAED, HR = 8.1, 95% CI = 2.7 to 24.1, p < 0.001). Conclusion: Atrial fibrillation patients with underlying malignancy or concurrently use of EIAED may have increased risk of treatment failure in secondary stroke prevention.http://www.sciencedirect.com/science/article/pii/S0929664620300401Atrial fibrillationNon-vitamin K antagonist oral anticoagulantsRecurrent strokeAsianMalignancy
spellingShingle Shin-Yi Lin
Sung-Chun Tang
Li-Kai Tsai
Shin-Joe Yeh
Chih-Fen Huang
Jiann-Shing Jeng
Factors for recurrent stroke among Asian patients with non-valvular atrial fibrillation under non-vitamin K antagonist oral anticoagulant therapy
Journal of the Formosan Medical Association
Atrial fibrillation
Non-vitamin K antagonist oral anticoagulants
Recurrent stroke
Asian
Malignancy
title Factors for recurrent stroke among Asian patients with non-valvular atrial fibrillation under non-vitamin K antagonist oral anticoagulant therapy
title_full Factors for recurrent stroke among Asian patients with non-valvular atrial fibrillation under non-vitamin K antagonist oral anticoagulant therapy
title_fullStr Factors for recurrent stroke among Asian patients with non-valvular atrial fibrillation under non-vitamin K antagonist oral anticoagulant therapy
title_full_unstemmed Factors for recurrent stroke among Asian patients with non-valvular atrial fibrillation under non-vitamin K antagonist oral anticoagulant therapy
title_short Factors for recurrent stroke among Asian patients with non-valvular atrial fibrillation under non-vitamin K antagonist oral anticoagulant therapy
title_sort factors for recurrent stroke among asian patients with non valvular atrial fibrillation under non vitamin k antagonist oral anticoagulant therapy
topic Atrial fibrillation
Non-vitamin K antagonist oral anticoagulants
Recurrent stroke
Asian
Malignancy
url http://www.sciencedirect.com/science/article/pii/S0929664620300401
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