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Insufficient Warfarin Therapy Is Associated With Higher Severity of Stroke Than No Anticoagulation in Patients With Atrial Fibrillation and Acute Anterior-Circulation Stroke.
CONCLUSIONS: Insufficient VKA therapy on admission was associated with higher severity of stroke and higher prevalence of proximal artery occlusion in patients with AF and acute anterior-circulation stroke compared with no anticoagulant medication. PMID: 29269702 [PubMed - as supplied by publisher]
Source: Circulation Journal - December 21, 2017 Category: Cardiology Authors: Sakamoto Y, Okubo S, Nito C, Suda S, Matsumoto N, Nishiyama Y, Aoki J, Shimoyama T, Kanamaru T, Suzuki K, Mishina M, Kimura K Tags: Circ J Source Type: research

Early Administration of Non-Vitamin K Antagonist Oral Anticoagulants for Acute Ischemic Stroke Patients With Atrial Fibrillation in Comparison With Warfarin Mostly Combined With Heparin.
Conclusions:This study suggests that NOACs are suitable for AIS patients with Af, perhaps even better than warfarin, given their simplicity. PMID: 25736910 [PubMed - as supplied by publisher]
Source: Circulation Journal - January 23, 2015 Category: Cardiology Authors: Nomura E, Ohshita T, Imamura E, Wakabayashi S, Kajikawa H, Hosomi N, Matsumoto M Tags: Circ J Source Type: research

Efficacy and Safety of Non-Vitamin K Antagonist Oral Anticoagulants vs. Warfarin in Japanese Patients With Atrial Fibrillation.
Conclusions:NOAC are more efficacious than warfarin for the prevention of stroke and systemic embolism in Japanese patients with NVAF. The present findings offer clinicians a more comprehensive picture of NOAC as a therapeutic option to reduce the risk of stroke in Japanese NVAF patients. PMID: 25501801 [PubMed - as supplied by publisher]
Source: Circulation Journal - December 11, 2014 Category: Cardiology Authors: Senoo K, Lau YC, Dzeshka M, Lane D, Okumura K, Lip GY Tags: Circ J Source Type: research

Predicting Atrial Fibrillation and Its Complications.
Abstract Atrial fibrillation (AF) is a common cardiac arrhythmia associated with an increased risk of stroke and other complications. Identifying individuals at higher risk of developing AF in the community is now possible using validated predictive models that take into account clinical variables and circulating biomarkers. These models have shown adequate performance in racially and ethnically diverse populations. Similarly, risk stratification schemes predict incidence of ischemic stroke in persons with AF, assisting clinicians and patients in decisions regarding oral anticoagulation use. Complementary schemes ...
Source: Circulation Journal - March 23, 2016 Category: Cardiology Authors: Alonso A, Norby FL Tags: Circ J Source Type: research

Risk Profile and 1-Year Outcome of Newly Diagnosed Atrial Fibrillation in Japan 　- Insights From GARFIELD-AF.
CONCLUSIONS: GARFIELD-AF continues to provide important information on the homogeneity and heterogeneity of baseline characteristics and treatment patterns in patients with newly diagnosed NVAF. This diversity reflects the differences in outcomes in Japan compared with the rest of the world. PMID: 30518731 [PubMed - as supplied by publisher]
Source: Circulation Journal - December 4, 2018 Category: Cardiology Authors: Koretsune Y, Etoh T, Katsuda Y, Suetsugu T, Kumeda K, Sakuma I, Eshima K, Shibuya M, Ando SI, Yokota N, Goto S, Pieper KS, Allu J, Kakkar AK, GARFIELD-AF Investigators Tags: Circ J Source Type: research

Safety and Efficacy of Adjusted Dose of Rivaroxaban in Japanese Patients With Non-Valvular Atrial Fibrillation.
Conclusions: The safety and efficacy of rivaroxaban vs. warfarin were consistent in patients with moderate renal impairment and preserved renal function. PMID: 23229461 [PubMed - as supplied by publisher]
Source: Circulation Journal - December 8, 2012 Category: Cardiology Authors: Hori M, Matsumoto M, Tanahashi N, Momomura SI, Uchiyama S, Goto S, Izumi T, Koretsune Y, Kajikawa M, Kato M, Ueda H, Iwamoto K, Tajiri M, on behalf of the J-ROCKET AF study investigators Tags: Circ J Source Type: research

Intracranial Hemorrhage Caused by Non-Vitamin K Antagonist Oral Anticoagulants (NOACs).
Conclusions:More than half the stroke center directors who responded to our questionnaire had not experienced cases of NOAC-associated ICH. Compared with warfarin, NOACs appear to present a lower risk of HE and death in patients with atrial fibrillation who develop CH. PMID: 25739470 [PubMed - as supplied by publisher]
Source: Circulation Journal - February 20, 2015 Category: Cardiology Authors: Saji N, Kimura K, Aoki J, Uemura J, Sakamoto Y Tags: Circ J Source Type: research

Clinical Significance of Non-Vitamin K Antagonist Oral Anticoagulants in the Management of Atrial Fibrillation.
Abstract Atrial fibrillation (AF) is the most commonly observed rhythm disorder in clinical practice. It is associated with a high risk of thromboembolic stroke and increased cardiovascular mortality. Vitamin K antagonists (VKAs), the only oral anticoagulants used for thromboembolic prophylaxis in AF patients over the past 60 years, have been effective in reducing thromboembolic stroke, compared with placebo and aspirin, in this group of patients. However, VKAs have a very narrow therapeutic window, so regular monitoring of the therapeutic effect is obligatory for their use. The need for regular assessment of bloo...
Source: Circulation Journal - April 2, 2015 Category: Cardiology Authors: Santarpia G, Curcio A, Sibilio G, Indolfi C Tags: Circ J Source Type: research

Comparison Between Long-Term Clinical Outcomes of Vitamin K Antagonist and Direct Oral Anticoagulants in Patients With Atrial Fibrillation Undergoing Percutaneous Coronary Intervention.
CONCLUSIONS: Compared with DOACs, VKA with poorly controlled INR and antiplatelet agents correlated with adverse outcomes of death, MI, stroke, and TLR in patients undergoing PCI. PMID: 29863094 [PubMed - as supplied by publisher]
Source: Circulation Journal - June 1, 2018 Category: Cardiology Authors: Yoshida R, Morishima I, Takagi K, Morita Y, Tsuboi H, Murohara T Tags: Circ J Source Type: research

Current Status, Time Trends and Outcomes of Combination Therapy With Oral Anticoagulant and Antiplatelet Drug in Patients With Atrial Fibrillation 　- The Fushimi AF Registry.
CONCLUSIONS: In Japanese AF patients receiving OAC, the prevalence of combination therapy decreased, with the proportion of NOAC use increasing in 2011-2017. Many patients, however, received off-label NOAC under-dosing, especially in the combination therapy group. Patients with combination therapy had higher incidences of major bleeding as well as stroke/systemic embolism, compared with OAC monotherapy. PMID: 30381701 [PubMed - as supplied by publisher]
Source: Circulation Journal - October 31, 2018 Category: Cardiology Authors: Masunaga N, Abe M, Ogawa H, Aono Y, Ikeda S, Doi K, An Y, Ishii M, Iguchi M, Esato M, Tsuji H, Wada H, Hasegawa K, Lip GYH, Akao M, Fushimi AF Registry Investigators Tags: Circ J Source Type: research

Optimal Management of Anticoagulation Therapy in Asian Patients With Atrial Fibrillation
Circ J. 2021 Jun 5. doi: 10.1253/circj.CJ-21-0399. Online ahead of print.ABSTRACTStroke prevention is the cornerstone of management of atrial fibrillation (AF), and non-vitamin K antagonist oral anticoagulants (NOACs) are commonly prescribed. Because routine monitoring of anticoagulant effects of NOACs is not necessary, appropriate dosing following the criteria of each NOACs defined in pivotal randomized trials is important. Real-world data demonstrate that underdosing NOACs is associated with a higher risk of ischemic stroke without a lower risk of major bleeding. Furthermore, renal function of AF patients should be asses...
Source: Circulation Journal - June 7, 2021 Category: Cardiology Authors: Wen-Han Cheng Yi-Hsin Chan Jo-Nan Liao Ling Kuo Shih-Ann Chen Tze-Fan Chao Source Type: research

Edoxaban vs. Vitamin K Antagonist for Atrial Fibrillation After Transcatheter Aortic Valve Replacement in Japanese Patients 　- A Subanalysis of the ENVISAGE-TAVI AF Trial
CONCLUSIONS: In Japanese patients with AF after successful TAVR, edoxaban and VKA treatment have similar safety and efficacy profiles.PMID:35965066 | DOI:10.1253/circj.CJ-22-0093
Source: Circulation Journal - August 14, 2022 Category: Cardiology Authors: Yusuke Watanabe Kentaro Hayashida Masanori Yamamoto Futoshi Yamanaka Kazumasa Yamasaki Toru Naganuma Yohei Ohno Masahiro Yamawaki Nobuyuki Morioka Kazuki Mizutani Norio Tada Hiroshi Ueno Hidetaka Nishina Masaki Izumo Yoshifumi Nakajima Kenji Ando Kensuke Source Type: research

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