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Oral anticoagulants

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12 papers 0 to 25 followers
By EFRAIN PAEZ Internal Medicine since 1988. Interested in all aspects of Medicine.
Soheir S Adam, Jennifer R McDuffie, Paul F Lachiewicz, Thomas L Ortel, John W Williams
BACKGROUND: Pharmacologic thromboprophylaxis reduces the risk for venous thromboembolism after total hip replacement (THR) or total knee replacement (TKR). New oral anticoagulants (NOACs), including direct thrombin inhibitors and factor Xa inhibitors, are emerging options for thromboprophylaxis after these procedures. PURPOSE: To compare the benefits and risks of NOACs versus standard thromboprophylaxis for adults having THR or TKR. DATA SOURCES: MEDLINE, EMBASE, and the Cochrane Database of Systematic Reviews from January 2009 through March 2013...
August 20, 2013: Annals of Internal Medicine
Anne-Sophie Dincq, Sarah Lessire, Jonathan Douxfils, Jean-Michel Dogné, Maximilien Gourdin, François Mullier
The field of oral anticoagulation has evolved with the arrival of non-vitamin K antagonist oral anticoagulants (NOACs) including an anti-IIa agent (dabigatran etexilate) and anti-Xa agents (rivaroxaban and apixaban). The main specificities of these drugs are predictable pharmacokinetics and pharmacodynamics but special attention should be paid in the elderly, in case of renal dysfunction and in case of emergency. In addition, their perioperative management is challenging, especially with the absence of specific antidotes...
2014: BioMed Research International
Jennifer S Albrecht, Xinggang Liu, Mona Baumgarten, Patricia Langenberg, Gail B Rattinger, Gordon S Smith, Steven R Gambert, Stephen S Gottlieb, Ilene H Zuckerman
IMPORTANCE: The increased risk of hemorrhage associated with anticoagulant therapy following traumatic brain injury creates a serious dilemma for medical management of older patients: Should anticoagulant therapy be resumed after traumatic brain injury, and if so, when? OBJECTIVE: To estimate the risk of thrombotic and hemorrhagic events associated with warfarin therapy resumption following traumatic brain injury. DESIGN, SETTING, AND PARTICIPANTS: Retrospective analysis of administrative claims data for Medicare beneficiaries aged at least 65 years hospitalized for traumatic brain injury during 2006 through 2009 who received warfarin in the month prior to injury (n = 10,782)...
August 2014: JAMA Internal Medicine
José Pedro L Nunes, Rui Paulo Rodrigues, Francisco Rocha Gonçalves
OBJECTIVES: A comparative analysis of three major clinical trials with factor Xa inhibitor oral anticoagulant (XOAC) drugs versus warfarin in atrial fibrillation-Rocket-AF (rivaroxaban), Aristotle (apixaban) and Engage AF Timi 48 (edoxaban; two different doses and sets of data)-was carried out. METHODS: Data were extracted from the original reports (study level) and a meta-analysis was carried out. RESULTS: When compared with warfarin, XOAC therapy was associated with a decrease in haemorrhagic stroke, with a similar pattern for all regimens and meta-analysis showing a risk ratio of 0...
2014: Open Heart
Z Xu, Z P Wang, J S Ou, S L Yin, L J Liu, X Zhang
AIM: For the mitral valve replacement(MVR) patients using the lowest thrombogenic risk bileaflet valves (St. Jude Medical, Carbomedics and On-X Prosthetic Heart Valve), excellent results can be achieved by adopting the anticoagulation intensity(median INR<2.5)which is lower than the recommended intensity(INR:2.5~3.5). Our aim was to provide a pooled estimate of potential benefit from clinical studies using low anticoagulation intensity and high intensity in these patients. METHODS: Relevant studies published before Feb...
October 17, 2014: Journal of Cardiovascular Surgery
David Garcia, John H Alexander, Lars Wallentin, Daniel M Wojdyla, Laine Thomas, Michael Hanna, Sana M Al-Khatib, Paul Dorian, Jack Ansell, Patrick Commerford, Greg Flaker, Fernando Lanas, Dragos Vinereanu, Denis Xavier, Elaine M Hylek, Claes Held, Freek W A Verheugt, Christopher B Granger, Renato D Lopes
Using data from ARISTOTLE, we describe the periprocedural management of anticoagulation and rates of subsequent clinical outcomes among patients chronically anticoagulated with warfarin or apixaban. We recorded whether (and for how long) anticoagulant therapy was interrupted preprocedure, whether bridging therapy was used, and the proportion of patients who experienced important clinical outcomes during the 30 days postprocedure. Of 10 674 procedures performed during follow-up in 5924 patients, 9260 were included in this analysis...
December 11, 2014: Blood
Jan Beyer-Westendorf, Walter Ageno
The prevention and treatment of venous thromboembolism (VTE) remains a clinical challenge, primarily owing to drawbacks associated with the use of heparins and vitamin K antagonists (VKAs). These and other factors, including a growing elderly population, mean that VTE presents a continuing burden to patients and physicians. Anticoagulant therapy is a fundamental approach for VTE management. Non-VKA oral anticoagulants, including the factor Xa inhibitors apixaban, edoxaban and rivaroxaban, and the thrombin inhibitor dabigatran, have been studied in phase III trials across a spectrum of thromboembolic disorders...
February 2015: Thrombosis and Haemostasis
Ibrahim Akin
No abstract text is available yet for this article.
2014: Cardiovascular & Hematological Disorders Drug Targets
Saloua Akoudad, Sirwan K L Darweesh, Maarten J G Leening, Peter J Koudstaal, Albert Hofman, Aad van der Lugt, Bruno H Stricker, M Arfan Ikram, Meike W Vernooij
BACKGROUND AND PURPOSE: It remains undetermined whether the use of coumarin anticoagulants associates with cerebral microbleeds in the general population. We investigated whether (1) coumarin use relates to higher prevalence and incidence of microbleeds, (2) microbleeds are more frequent in people with higher maximum international normalized ratios (INRs), and (3) among coumarin users, variability in INR associates with microbleed presence. METHODS: From the population-based Rotterdam Study, 4945 participants aged ≥45 years were included in the cross-sectional analysis, and 3069 participants had follow-up brain MRI...
November 2014: Stroke; a Journal of Cerebral Circulation
Christian T Ruff, Robert P Giugliano, Eugene Braunwald, Elaine B Hoffman, Naveen Deenadayalu, Michael D Ezekowitz, A John Camm, Jeffrey I Weitz, Basil S Lewis, Alexander Parkhomenko, Takeshi Yamashita, Elliott M Antman
BACKGROUND: Four new oral anticoagulants compare favourably with warfarin for stroke prevention in patients with atrial fibrillation; however, the balance between efficacy and safety in subgroups needs better definition. We aimed to assess the relative benefit of new oral anticoagulants in key subgroups, and the effects on important secondary outcomes. METHODS: We searched Medline from Jan 1, 2009, to Nov 19, 2013, limiting searches to phase 3, randomised trials of patients with atrial fibrillation who were randomised to receive new oral anticoagulants or warfarin, and trials in which both efficacy and safety outcomes were reported...
March 15, 2014: Lancet
Cihan Altın, Övgü Anıl Öztürkeri, Esin Gezmiş, Haldun Müderrisoğlu
No abstract text is available yet for this article.
December 2014: Anadolu Kardiyoloji Dergisi: AKD, the Anatolian Journal of Cardiology
Calvin H Yeh, Peter L Gross, Jeffrey I Weitz
The new oral anticoagulants (NOACs), which include dabigatran, rivaroxaban, apixaban, and edoxaban, are poised to replace warfarin for treatment of the majority of patients with venous thromboembolism (VTE). With a rapid onset of action and the capacity to be administered in fixed doses without routine coagulation monitoring, NOACs streamline VTE treatment. In phase 3 trials in patients with acute symptomatic VTE, NOACs have been shown to be noninferior to conventional anticoagulant therapy for prevention of recurrence and are associated with less bleeding...
August 14, 2014: Blood
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