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Nutrition: Vitamin K

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Total 683 results found since Jan 2013.

Edoxaban vs. warfarin in vitamin K antagonist experienced and naive patients with atrial fibrillation
Conclusion In patients with AF, edoxaban appeared to demonstrate greater efficacy compared with warfarin in patients who were VKA naive than VKA experienced. Edoxaban significantly reduced major bleeding compared with warfarin regardless of prior VKA exposure.
Source: European Heart Journal - June 14, 2015 Category: Cardiology Authors: O'Donoghue, M. L., Ruff, C. T., Giugliano, R. P., Murphy, S. A., Grip, L. T., Mercuri, M. F., Rutman, H., Shi, M., Kania, G., Cermak, O., Braunwald, E., Antman, E. M. Tags: Atrial fibrillation Source Type: research

Benefits of once-daily dosing with non-vitamin K antagonist oral anticoagulants in patients with atrial fibrillation
Atrial fibrillation (AF) is the most prevalent clinically relevant arrhythmia, affecting millions of individuals in Europe and the USA. Atrial fibrillation increases the risk of stroke; the long-term standard of care for prevention of AF-related stroke is anticoagulation. The use of anticoagulants should be based on the absolute risks of stroke and bleeding and the relative benefit–risk profile of the individual patient. Treatment options include vitamin K antagonists (VKAs) such as warfarin, whose use is long-established but associated with drawbacks, including regular coagulation monitoring requirements and many fo...
Source: European Journal of Heart Failure Supplements - April 20, 2016 Category: Cardiology Authors: Amara, W., Antoniou, S. Tags: Articles Source Type: research

Meta-analysis of the efficacy and safety of non-vitamin K antagonist oral anticoagulants with warfarin in Latin American patients with atrial fibrillation
Conclusions: Our meta-analysis suggested that the use of NOACs was at least non-inferior to warfarin use for stroke prevention in Latin American patients with AF.
Source: Medicine - May 1, 2020 Category: Internal Medicine Tags: Research Article: Systematic Review and Meta-Analysis 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

Clinical outcomes with rivaroxaban in patients transitioned from vitamin k antagonist therapy: a subgroup analysis of a randomized trial.
CONCLUSION: The efficacy of rivaroxaban in VKA-experienced and VKA-naive patients was similar to that of the overall trial. There were more bleeding events within 7 days of study drug initiation with rivaroxaban, but after 30 days, rivaroxaban was associated with less bleeding in VKA-naive patients and similar bleeding in VKA-experienced patients. This information may be useful to clinicians considering a transition to rivaroxaban for patients receiving VKA therapy. PRIMARY FUNDING SOURCE: Johnson & Johnson and Bayer HealthCare. PMID: 23778903 [PubMed - in process]
Source: Annals of Internal Medicine - June 18, 2013 Category: Internal Medicine Authors: Mahaffey KW, Wojdyla D, Hankey GJ, White HD, Nessel CC, Piccini JP, Patel MR, Berkowitz SD, Becker RC, Halperin JL, Singer DE, Califf RM, Fox KA, Breithardt G, Hacke W Tags: Ann Intern Med Source Type: research

Direct thrombin inhibitors versus vitamin K antagonists for preventing cerebral or systemic embolism in people with non-valvular atrial fibrillation.
CONCLUSIONS: DTIs were as efficacious as VKAs for the composite outcome of vascular death and ischaemic events and only the dose of dabigatran 150 mg twice daily was found to be superior to warfarin. DTIs were associated with fewer major haemorrhagic events, including haemorrhagic strokes. Adverse events that led to discontinuation of treatment occurred more frequently with the DTIs. We detected no difference in death from all causes. PMID: 24677203 [PubMed - as supplied by publisher]
Source: Cochrane Database of Systematic Reviews - March 27, 2014 Category: Journals (General) Authors: Salazar CA, Del Aguila D, Cordova EG Tags: Cochrane Database Syst Rev Source Type: research

Renal function and non-vitamin K oral anticoagulants in comparison with warfarin on safety and efficacy outcomes in atrial fibrillation patients: a systemic review and meta-regression analysis
Conclusion Non-vitamin K oral anticoagulants had similar efficacy and safety compared to warfarin across different levels of renal function. Indirect comparisons suggest that apixaban and edoxaban were associated with a better safety profile in patients with moderate renal impairment. However, caution is warranted when interpreting indirect comparisons of drugs investigated in different trials. Prescribers should fit the most appropriate NOAC to the AF patient characteristics (and vice versa) to individualise effective stroke prevention.
Source: Clinical Research in Cardiology - November 21, 2014 Category: Cardiology Source Type: research

Non-vitamin K antagonist oral anticoagulation agents in anticoagulant naive atrial fibrillation patients: Danish nationwide descriptive data 2011-2013
Conclusion Among oral anticoagulation-naïve AF patients initiated on oral anticoagulation in Denmark, warfarin initiation has declined since the introduction of dabigatran in August 2011. Dabigatran is the most frequently used alternative option to warfarin; however, use of rivaroxaban and apixaban is increasing. Patients initiated with rivaroxaban or apixaban in general have a higher predicted stroke and bleeding risks compared with warfarin or dabigatran initiators.
Source: Europace - January 29, 2015 Category: Cardiology Authors: Olesen, J. B., Sorensen, R., Hansen, M. L., Lamberts, M., Weeke, P., Mikkelsen, A. P., Kober, L., Gislason, G. H., Torp-Pedersen, C., Fosbol, E. L. Tags: Atrial fibrillation Source Type: research

Comparative Efficacy and Safety of the Non–Vitamin K Antagonist Oral Anticoagulants for Patients with Nonvalvular Atrial Fibrillation
Semin Thromb HemostDOI: 10.1055/s-0035-1544156The non–vitamin K antagonist oral anticoagulants (NOACs), such as the thrombin inhibitor (dabigatran) and the direct factor Xa inhibitors (rivaroxaban, apixaban, and edoxaban), have been shown to be at least as efficacious and safe as conventional oral anticoagulants, such as the vitamin K antagonists (VKAs) (e.g., warfarin), for stroke prevention in patients with nonvalvular atrial fibrillation (NVAF). Each NOAC has various advantages and specific features, and therefore decisions regarding appropriate stroke prevention require individual assessment of stroke and bleeding ri...
Source: Seminars in Thrombosis and Hemostasis - February 15, 2015 Category: Hematology Authors: Senoo, KeitaroLip, Gregory Y. H. Source Type: research

Relative efficacy and safety of non-Vitamin K oral anticoagulants for non-valvular atrial fibrillation: Network meta-analysis comparing apixaban, dabigatran, rivaroxaban and edoxaban in three patient subgroups
Stroke is the most serious clinical consequence of atrial fibrillation, which is the most common cardiac arrhythmia. Non-vitamin K antagonist oral anticoagulants (NOACs) have emerged as efficacious, safe and convenient stroke prevention agents. This updated network meta-analysis focused on the relative efficacy and safety of apixaban compared with dabigatran, rivaroxaban and edoxaban for stroke prevention in (i) patients with CHADS2 score ≥2, (ii) secondary stroke prevention, and (iii) patients with high quality anticoagulation control with warfarin.
Source: International Journal of Cardiology - November 17, 2015 Category: Cardiology Authors: Gregory Y.H. Lip, Stephen A. Mitchell, Xianchen Liu, Larry Z. Liu, Hemant Phatak, Sumesh Kachroo, Sarah Batson Source Type: research

Non Vitamin K Oral Anticoagulants versus Warfarin for Patients with Atrial Fibrillation: Absolute Benefit and Harm Assessments yield Novel Insights
ConclusionsFor the primary‐outcome, the absolute benefits of NOACs were modest (NNT/year values being large). Reduced haemorrhagic‐stroke rates with NOACs could be due to superior embolic infarct prevention and fewer consequential haemorrhagic transformations. Among apixaban recipients, the absolute mortality benefit exceeded that for the primary‐outcome, indicating prevention of additional unrelated deaths. The substantially greater NOAC acquisition costs need viewing against probable greater safety and the avoidance of monitoring bleeding risks.This article is protected by copyright. All rights reserved.
Source: Cardiovascular Therapeutics - January 4, 2016 Category: Cardiology Authors: Cyrus R Kumana, Bernard M Y Cheung, David C W Siu, Hung‐Fat Tse, Ian J Lauder Tags: Unsolicited Review Source Type: research

Non‐vitamin K Oral Anticoagulants Versus Warfarin for Patients with Atrial Fibrillation: Absolute Benefit and Harm Assessments Yield Novel Insights
ConclusionsFor the primary outcome, the absolute benefits of NOACs were modest (NNT/year values being large). Reduced hemorrhagic stroke rates with NOACs could be due to superior embolic infarct prevention and fewer consequential hemorrhagic transformations. Among apixaban recipients, the absolute mortality benefit exceeded that for the primary outcome, indicating prevention of additional unrelated deaths. The substantially greater NOAC acquisition costs need viewing against probable greater safety and the avoidance of monitoring bleeding risks.
Source: Cardiovascular Therapeutics - March 3, 2016 Category: Cardiology Authors: Cyrus R. Kumana, Bernard M.Y. Cheung, David C.W. Siu, Hung‐Fat Tse, Ian J. Lauder Tags: Unsolicited Review Source Type: research

Safety and efficacy of non ‐vitamin K antagonist oral anticoagulants versus warfarin in diabetic patients with atrial fibrillation: a study‐level meta‐analysis of phase III randomized trials
ConclusionsResults of this meta‐analysis support the safety and efficacy of NOACs compared with warfarin in diabetic patients with non‐valvular AF.
Source: Diabetes/Metabolism Research and Reviews - October 31, 2016 Category: Endocrinology Authors: Giuseppe Patti, Giuseppe Di Gioia, Ilaria Cavallari, Antonio Nenna Tags: REVIEW ARTICLE Source Type: research

Effectiveness and safety of oral anticoagulants in older patients with atrial fibrillation: a systematic review and meta-regression analysis
Conclusionswarfarin use was superior to warfarin non-use, aspirin and no antithrombotic therapy in reducing the risk of stroke/TE in older AF patients, but with a possible increase in major bleeding. NOACs were superior to warfarin for stroke/TE prevention, with reduced risk of major bleeding.
Source: Age and Ageing - September 8, 2017 Category: Geriatrics Source Type: research

Nonvitamin K Oral Anticoagulants in Patients With Atrial Fibrillation and Severe Renal Dysfunction
Publication date: Available online 27 June 2018 Source:Revista Española de Cardiología (English Edition) Author(s): Maria Mahmood, Gregory Y.H. Lip Both atrial fibrillation (AF) and chronic kidney disease (CKD) are highly prevalent, especially with increasing age and associated comorbidities, such as hypertension, diabetes, heart failure, and vascular disease. The relationship between both AF and CKD seems to be bidirectional: CKD predisposes to AF while onset of AF seems to lead to progression of CKD. Stroke prevention is the cornerstone of AF management, and AF patients with CKD are at higher risk of stroke, mortality...
Source: Revista Espanola de Cardiologia - June 27, 2018 Category: Cardiology Source Type: research