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Drug: Warfarin
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Total 961 results found since Jan 2013.

Can Warfarin be replaced by non-vitamin K anticoagulants in prosthetic valves?
In this report, the authors discussed the published data related to NOACs use in prosthetic valves highlighting the proposed mechanisms of NOACs failure and other controversial data regarding their efficacy and safety in prosthetic valves.EXPERT OPINION: Although NOACs have proven to be even safer and more effective alternatives to vitamin K antagonists (VKAs) in several indications for anticoagulation, the data regarding their safety and efficacy in prosthetic heart valves is still debatable. The controversial data regarding NOACs use in prosthetic valves renders it difficult to define specific guideline-recommendation fo...
Source: Expert Review of Cardiovascular Therapy - November 24, 2022 Category: Cardiology Authors: Mahmoud Abdelnabi Juthipong Benjanuwattra Ashraf Ahmed Abdallah Almaghraby Source Type: research

Oral Anticoagulant Use in Patients With Atrial Fibrillation and Chronic Kidney Disease: A Review of the Evidence With Recommendations for Australian Clinical Practice
Chronic kidney disease is common in patients with atrial fibrillation (AF) and is associated with heightened risks of stroke/systemic embolisation and bleeding. In this review we outline the evidence for AF stroke prevention in kidney disease, identify current knowledge gaps, and give recommendations for anticoagulation at various stages of chronic kidney disease.Overall, anticoagulation is underused. Warfarin use becomes increasingly difficult with advancing kidney disease, with difficulty maintaining international normalised ratio (INR) in therapeutic range, increased risk of intracranial and fatal bleeding compared to n...
Source: Heart, Lung and Circulation - November 3, 2022 Category: Cardiology Authors: Christopher Hammett, Sunil V. Badve, Peter G. Kerr, Huyen A. Tran, Benjamin K. Dundon, Sidney Lo, Andrew Wong, Joanne E. Joseph, Jenny Deague, Vlado Perkovic Tags: Review Source Type: research

High rates of oral anticoagulation in atrial fibrillation patients observed in a large multi-specialty health system in the Northeast
ConclusionsWe show dramatically increased OAC usage among patients with AF and that NOACs comprise the large majority of OACs compared with previous studies. This suggests an association between widespread adoption of NOACs and increased oral anticoagulation rates. Future directions include assessing barriers to oral anticoagulation and developing interventions to reduce disparity in OAC use between clinics.
Source: Journal of Interventional Cardiac Electrophysiology - October 20, 2022 Category: Cardiology Source Type: research

Comparison of Dabigatran Versus Warfarin Treatment for the Prevention of New Cerebral Lesions in Valvular Atrial Fibrillation
Atrial fibrillation is one of the most common arrhythmias in the United States and is associated with an increased risk of thromboembolic events.1 The American Heart Association/American College of Cardiology/Heart Rhythm Society guidelines recommend oral anticoagulation with either warfarin or oral non-vitamin K antagonists for patients diagnosed with atrial fibrillation with a high risk for ischemic stroke based on the CHA2DS2-VASc score.2 The recently published article “Comparison of Dabigatran Versus Warfarin Treatment for Prevention of New Cerebral Lesions in Valvular Atrial Fibrillation” discussed the efficacy of...
Source: The American Journal of Cardiology - October 7, 2022 Category: Cardiology Authors: Marwa S.H. Abrahim, Olufemi Sofola-James, Zeina Bani Hani Source Type: research

Persisting stroke risk in patients with atrial fibrillation despite proper anticoagulation – Unmet clinical needs
Oral anticoagulation (OAC) is crucial to prevent cardioembolic stroke in patients with atrial fibrillation (AF). Development of the direct oral anticoagulants (DOAC), which inhibit activities of the coagulant proteases thrombin and activated factor X (FXs), has improved the safety and efficacy of anticoagulation in AF, compared to traditional vitamin K antagonists like warfarin [1,2]. Yet in a small, but numerically relevant proportion of up to 2% of patients, this cornerstone principle fails for unclear reasons.
Source: International Journal of Cardiology - August 6, 2022 Category: Cardiology Authors: Florian Bruns, Dobromir Dobrev, Anke C. Fender Tags: Editorial Source Type: research

Antiplatelet agents and anticoagulants for hypertension
CONCLUSIONS: There is no evidence that antiplatelet therapy modifies mortality in patients with elevated BP for primary prevention. ASA reduced the risk of cardiovascular events and increased the risk of major bleeding events. Antiplatelet therapy with ASA probably reduces the risk of non-fatal and all cardiovascular events when compared to clopidogrel. Clopidogrel increases the risk of major bleeding events compared to ASA in patients with elevated BP for secondary prevention. There is no evidence that warfarin modifies mortality in patients with elevated BP for secondary prevention. The benefits and harms of the newer dr...
Source: Cochrane Database of Systematic Reviews - July 28, 2022 Category: General Medicine Authors: Eduard Shantsila Monika Kozie ł-Siołkowska Gregory Yh Lip Source Type: research

Reversal of Oral Vitamin K Antagonists Using Prothrombin Complex Concentration Prior to IV tPA Administration
Irmak Salt, Işıl Kalyonu Aslan, Çisil İrem Özgenç Biçer, Eren GözkeNeurology India 2022 70(3):1238-1239 Herein, we report two acute ischemic stroke cases that we used prothrombin complex to reverse the effects of warfarin in order to apply intravenous thrombolytic treatment. To the best of our knowledge, there are only limited amount of cases that prothrombin complex concentrates were applied prior to intravenous thrombolytic treatment administration. As one of the biggest acute stroke clinics in our country, we aim to open a d...
Source: Neurology India - July 1, 2022 Category: Neurology Authors: Irmak Salt I & #351; & #305;l Kalyonu Aslan & #199;isil & #304;rem & #214;zgen & #231; Bi & #231;er Eren G & #246;zke Source Type: research

P73 Real-World Effectiveness and Safety of Non-Vitamin K Antagonist Oral Anticoagulants (NOAC) in Patients with Non-Valvular Atrial Fibrillation (NVAF): A Retrospective Cohort Study in Singapore
This study aims to compare the real-world effectiveness and safety between NOAC and warfarin in NVAF patients and assess the potential long-term impact on the healthcare system in Singapore.
Source: Value in Health - June 26, 2022 Category: International Medicine & Public Health Authors: W. Foo, T. Hui, S.K.B. Ong, K.H. Ng Tags: Real-World Evidence for Comparative Effectiveness, Safety and Adherence Evaluations Source Type: research

Direct Oral Anticoagulants Versus Vitamin K Antagonists for the Treatment of Left Ventricular Thrombus: An Updated Meta-Analysis of Cohort Studies and Randomized Controlled Trials
Abstract: Left ventricular thrombi (LVTs) increase the risk of stroke, systemic embolism, and subsequent death. Current guidelines recommend vitamin K antagonists (VKAs) as first-line treatment for LVT. Direct oral anticoagulants (DOACs) are increasingly used as alternatives to warfarin for the treatment of LVT. However, the efficacy and safety of DOACs versus VKAs remain controversial. Thus, we conducted an updated meta-analysis of DOACs versus VKAs for LVT treatment. We systematically searched PubMed, Embase, ClinicalTrials, and Cochrane Library databases for relevant articles published before December 11, 2021. The ...
Source: Journal of Cardiovascular Pharmacology - June 1, 2022 Category: Cardiology Tags: Original Article Source Type: research

New Data From Two Large Studies Reinforce Effectiveness of Dual Pathway Inhibition (DPI) with XARELTO ® (rivaroxaban) Plus Aspirin in Patients with Coronary Artery Disease (CAD) and/or Peripheral Artery Disease (PAD)
RARITAN, N.J., May 23, 2022 – Findings from the XARELTO® (rivaroxaban) Phase 3 COMPASS Long-Term Open Label Extension (LTOLE) study and the XARELTO® in Combination with Acetylsalicylic Acid (XATOA) registry have been published in the European Society of Cardiology’s (ESC) European Heart Journal, Cardiovascular Pharmacotherapy. Additionally, the XATOA registry was presented at the American Congress of Cardiology’s 71st Annual Scientific Session (ACC.22). These studies provide further evidence supporting the role of dual pathway inhibition (DPI) with the XARELTO® vascular dose (2.5 mg twice daily plus aspirin 100 mg...
Source: Johnson and Johnson - May 23, 2022 Category: Pharmaceuticals Source Type: news

Impact of the COVID-19 pandemic on England's national prescriptions of oral vitamin K antagonist (VKA) and direct-acting oral anticoagulants (DOACs): An interrupted time series analysis (January 2019 - February 2021)
Conclusion: The overall oral anticoagulants use in this period was lower than expected, indicating a medical needs gap, possibly due to adherence issues. The potential clinical and logistical consequences warrant further study to identify contributing factors and mitigate avoidable risks.PMID:35582854 | DOI:10.1080/03007995.2022.2078100
Source: Current Medical Research and Opinion - May 18, 2022 Category: Research Authors: Sajidah Alkhameys Ravina Barrett Source Type: research

Effectiveness and safety of oral anticoagulants in non-valvular atrial fibrillation patients with prior bleeding events: a retrospective analysis of administrative claims databases
ConclusionsIn this real-world analysis of a large sample of NVAF patients with prior bleeding, NOACs were associated with similar or lower risk of stroke/SE and MB vs. warfarin and variable risk of stroke/SE and MB against each other.
Source: Journal of Thrombosis and Thrombolysis - May 17, 2022 Category: Hematology Source Type: research

Real-World Comparisons of Low-Dose NOACs versus Standard-Dose NOACs or Warfarin on Efficacy and Safety in Patients with AF: A Meta-Analysis
CONCLUSIONS: Low-dose NOACs were comparable to standard-dose NOACs considering risks of ischemic stroke, major bleeding, ICH, and GH, and they were superior to warfarin. Low-dose NOACs might be prescribed effectively and safely for patients with AF. Considering limitations, further well-designed prospective studies are foreseen.PMID:35449605 | PMC:PMC9017587 | DOI:10.1155/2022/4713826
Source: Cardiology Research and Practice - April 22, 2022 Category: Cardiology Authors: Ze Li Xiaozhen Wang Dandan Li Aiping Wen Source Type: research