Article ; Online: Beneficial Effect of Non-Vitamin K Antagonist Oral Anticoagulants in Patients With Nonvalvular Atrial Fibrillation - Results of the J-RHYTHM Registry 2.
Circulation journal : official journal of the Japanese Circulation Society
2016 Volume 80, Issue 4, Page(s) 843–851
Abstract: ... effects of non-vitamin K antagonist oral anticoagulants (NOACs) in Japanese patients ...
Abstract | Background: The J-RHYTHM Registry 2 was a multicenter, prospective observational study that extended the follow-up period of the J-RHYTHM Registry in order to investigate long-term outcomes and effects of non-vitamin K antagonist oral anticoagulants (NOACs) in Japanese patients with atrial fibrillation (AF). Methods and results: Among 6,616 patients with nonvalvular AF (NVAF) (men 71.0%, 69.7±9.9 years, CHADS2score 1.7±1.2), event rates were compared among patients receiving warfarin (n=3,964), NOACs (n=923), and no anticoagulation therapy (No-OAC, n=753) at the end of follow-up, except for 976 patients lacking anticoagulant data. During the 5-year follow-up period, thromboembolism occurred in 196 (4.9%), 19 (2.1%), and 45 (6.0%) patients, respectively; major hemorrhage in 233 (5.9%), 22 (2.4%), and 36 (4.8%); all-cause death in 230 (5.8%), 13 (1.4%), and 105 (13.9%), (P<0.001 for each). After adjusting for the components of the CHA2DS2-VASc score and antiplatelet drug use, the odds ratio (OR) in the Warfarin group was significantly lower for all-cause death compared with that in the No-OAC group (OR 0.30, 95% confidence interval [CI] 0.23-0.39, P<0.001), whereas ORs in the NOACs group were significantly lower for all events (OR 0.42, 95% CI 0.24-0.74, P=0.003 for thromboembolism; OR 0.53, 95% CI 0.31-0.93, P=0.027 for major hemorrhage; and OR 0.10, 95% CI 0.06-0.18, P<0.001 for all-cause death, respectively). Conclusions: NOACs could be beneficial for reducing event rates of all types in Japanese NVAF patients. |
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MeSH term(s) | Administration, Oral ; Aged ; Aged, 80 and over ; Anticoagulants/administration & dosage ; Anticoagulants/adverse effects ; Asian Continental Ancestry Group ; Atrial Fibrillation/drug therapy ; Atrial Fibrillation/epidemiology ; Female ; Follow-Up Studies ; Humans ; Japan/epidemiology ; Male ; Middle Aged ; Platelet Aggregation Inhibitors/administration & dosage ; Platelet Aggregation Inhibitors/adverse effects ; Prospective Studies ; Registries ; Thromboembolism/chemically induced ; Thromboembolism/epidemiology ; Vitamin K ; Warfarin/administration & dosage ; Warfarin/adverse effects |
Chemical Substances | Anticoagulants ; Platelet Aggregation Inhibitors ; Vitamin K (12001-79-5) ; Warfarin (5Q7ZVV76EI) |
Language | English |
Publishing date | 2016 |
Publishing country | Japan |
Document type | Journal Article ; Multicenter Study ; Observational Study |
ZDB-ID | 2068090-9 |
ISSN | 1347-4820 ; 1346-9843 |
ISSN (online) | 1347-4820 |
ISSN | 1346-9843 |
DOI | 10.1253/circj.CJ-16-0066 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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