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Specialty: Hematology
Nutrition: Vitamins

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Total 228 results found since Jan 2013.

Dabigatran treatment simulation in patients undergoing maintenance haemodialysis.
This study simulated the dose-exposure relationship of dabigatran in patients undergoing haemodialysis. Dabigatran exposure was modelled at once- and twice-daily doses of 75 mg, 110 mg and 150 mg and at variations in non-renal clearance and dialysis settings. Resultant dose exposure (area under the curve [AUC]) was compared with values simulated from typical patients in the RE-LY® trial (based on a previously characterised pharmacometric model). In this simulation, all twice-daily dosages resulted in exposures above those simulated from typical RE-LY patients (1.5- to 3.3-fold increase in AUC) and thus may not be optimal ...
Source: Thrombosis and Haemostasis - October 15, 2015 Category: Hematology Authors: Liesenfeld KH, Clemens A, Kreuzer J, Brueckmann M, Schulze F Tags: Thromb Haemost Source Type: research

Incorporating edoxaban into the choice of anticoagulants for atrial fibrillation.
Abstract The non-vitamin K antagonist oral anticoagulants (NOACs) are replacing warfarin for stroke prevention in many patients with nonvalvular atrial fibrillation. Edoxaban, an oral factor Xa inhibitor, is the newest entrant in this class. Results of the Effective Anticoagulation with Factor Xa Next Generation in Atrial Fibrillation (ENGAGE AF) study demonstrate that edoxaban is noninferior to warfarin for prevention of stroke and systemic embolic events, and is associated with significantly less major bleeding, including intracranial bleeding, and reduced cardiovascular mortality. With a net clinical benefit ov...
Source: Thrombosis and Haemostasis - October 15, 2015 Category: Hematology Authors: Weitz JI, Eikelboom J Tags: Thromb Haemost Source Type: research

Gender Difference in Efficacy and Safety of Nonvitamin K Antagonist Oral Anticoagulants in Patients with Nonvalvular Atrial Fibrillation or Venous Thromboembolism: A Systematic Review and a Meta-Analysis of the Literature
Conclusions No gender-related difference in the efficacy and safety of NOACs in patients with AF or acute VTE was found. A trend toward an increased risk of bleeding in male patients as compared with female patients was detected in the extended treatment of VTE.[...]Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.Article in Thieme eJournals:Table of contents  |  Abstract  |  Full text
Source: Seminars in Thrombosis and Hemostasis - September 26, 2015 Category: Hematology Authors: Dentali, FrancescoSironi, Anna PaolaGianni, MonicaOrlandini, FrancescoGuasti, LuiginaGrandi, Anna MariaFranchini, MassimoAgeno, WalterSquizzato, Alessandro Source Type: research

Preferences for anticoagulation therapy in atrial fibrillation: the patients’ view
The objective of this study was to assess AF patients’ preferences with regard to the attributes of these different treatment options. We conducted a multicenter study among randomly selected physicians. Preferences were assessed by computer-assisted telephone interviews. We used a discrete-choice-experiment (DCE) with four convenience-related treatment dependent attributes (need of bridging: yes/no, interactions with food/nutrition: yes/no, need of INR controls/dose adjustment: yes/no; frequency of intake: once/twice daily) and one comparator attribute (distance to practitioner: <1 km/>15 km). Preferences measur...
Source: Journal of Thrombosis and Thrombolysis - August 11, 2015 Category: Hematology Source Type: research

Adequacy of preadmission oral anticoagulation with vitamin K antagonists and ischemic stroke severity and outcome in patients with atrial fibrillation
In conclusion, optimally anticoagulated patients with AF have more favorable functional outcome after stroke and a trend for less severe stroke whereas patients with subtherapeutic anticoagulation have similar stroke severity and outcome with those on no treatment.
Source: Journal of Thrombosis and Thrombolysis - August 8, 2015 Category: Hematology Source Type: research

Therapy persistence in newly diagnosed non-valvular atrial fibrillation treated with warfarin or NOAC. A cohort study.
In conclusion, persistence was significantly higher with NOAC than VKA, and could alone lead to reduced cardioembolic strokes. Increased guideline adherence following NOAC introduction could further decrease AF stroke burden. PMID: 26246112 [PubMed - as supplied by publisher]
Source: Thrombosis and Haemostasis - August 6, 2015 Category: Hematology Authors: Martinez C, Katholing A, Wallenhorst C, Freedman SB Tags: Thromb Haemost Source Type: research

Self-Reported Adherence to Anticoagulation and Its Determinants Using the Morisky Medication Adherence Scale
Direct oral anticoagulants (DOACs) are used for treatment of venous thromboembolism (VTE) and stroke prevention in atrial fibrillation (AF). Given the shorter half-life and lack of laboratory monitoring compared to vitamin-K antagonists (VKAs), adequate adherence to DOACs is important. Reported anticoagulation adherence is unclear in clinical practice.
Source: Thrombosis Research - July 13, 2015 Category: Hematology Authors: Lana A. Castellucci, Joseph Shaw, Katrien van der Salm, Petra Erkens, Gregoire Le Gal, William Petrcich, Marc Carrier Source Type: research

Real life anticoagulation treatment of patients with atrial fibrillation in Germany: extent and causes of anticoagulant under-use
Abstract Oral anticoagulation (OAC) with either new oral anticoagulants (NOACs) or Vitamin-K antagonists (VKAs) is recommended by guidelines for patients with atrial fibrillation (AF) and a moderate to high risk of stroke. Based on a claims-based data set the aim of this study was to quantify the stroke-risk dependent OAC utilization profile of German AF patients and possible causes of OAC under-use. Our claims-based data set was derived from two German statutory health insurance funds for the years 2007–2010. All prevalent AF-patients in the period 2007–2009 were included. The OAC-need in 2010 was assumed wh...
Source: Journal of Thrombosis and Thrombolysis - May 29, 2015 Category: Hematology Source Type: research

Implementation of non-vitamin K antagonist oral anticoagulants in daily practice: the need for comprehensive education for professionals and patients
Non-vitamin K antagonist oral anticoagulants (NOACs) are increasingly used for the prevention and treatment of venous thromboembolism and for stroke prevention in patients with atrial fibrillation. NOACs do not require routine coagulation monitoring, creating a challenge to established systems for patient follow-up based on regular blood tests. Healthcare professionals (HCPs) are required to cope with a mixture of patients receiving either a vitamin K antagonist or a NOAC for the same indications, and both professionals and patients require education about the newer drugs. A European working group convened to consider the ...
Source: Thrombosis Journal - May 26, 2015 Category: Hematology Authors: Hein HeidbuchelDana BertiManuel CamposLien DestegheAna FreixoAntónio NunesVanessa RoldánVincenzo ToschiRiitta Lassila Source Type: research

Standardized use of novel oral anticoagulants plasma level thresholds in a new thrombolysis decision making protocol
Abstract Acute ischemic stroke (AIS) patients receiving non-vitamin-K antagonist oral anticoagulants (NOAC) are commonly excluded from thrombolytic therapy, as interpretation of coagulation tests remains unclear. We aimed to investigate the applicability of a novel institutional protocol for thrombolysis based on current expert recommendations and NOAC specific coagulation assessment. We included hospitalized AIS patients receiving NOAC for at least 24 h and consecutive AIS patients not receiving NOAC into a prospective study. We performed standard coagulation tests and specific tests for dabigatran, rivaroxaban ...
Source: Journal of Thrombosis and Thrombolysis - May 23, 2015 Category: Hematology Source Type: research

Selection, management, and outcome of vitamin K antagonist-treated patients with atrial fibrillation not switched to novel oral anticoagulants. Results from the Dresden NOAC registry.
In conclusion, in daily care, AF patients selected for VKA therapy are healthier than those treated with NOAC, demonstrate a high quality of anticoagulant control and very low stroke rates. However, the risk of major VKA bleeding is unacceptably high despite adequate patient selection and INR control and bleeding outcome is poor. PMID: 25994496 [PubMed - as supplied by publisher]
Source: Thrombosis and Haemostasis - May 21, 2015 Category: Hematology Authors: Michalski F, Tittl L, Werth S, Hänsel U, Pannach S, Sahin K, Weiss N, Beyer-Westendorf J Tags: Thromb Haemost Source Type: research

Post-operative arterial thrombosis with non-vitamin K antagonist oral anticoagulants after total hip or knee arthroplasty.
In conclusion, in RCTs of pharmacological VTE prophylaxis in patients undergoing THR or TKR, there was no difference in the incidence of post-operative AT among patients treated with NOACs, compared to those treated with enoxaparin. PMID: 25946985 [PubMed - as supplied by publisher]
Source: Thrombosis and Haemostasis - May 7, 2015 Category: Hematology Authors: Squizzato A, Lussana F, Cattaneo M Tags: Thromb Haemost Source Type: research

Antithrombotic Therapy for Left Ventricular Assist Devices in Adults: a Systematic Review
ConclusionsOf 977 manuscripts, 24 articles met the inclusion criteria of adults with implanted LVADs where clinical outcomes were defined based on anticoagulant and/or antiplatelet regimen. Most studies reported treatment with unfractionated heparin post‐operatively which was transitioned to a vitamin K antagonist (VKA). Goal INR varied between 1.5‐3.5. Antiplatelet regimens ranged from no treatment to dual therapy. Definition of major bleeding differed between trials and incidence varied between 0% and 58%. The available evidence could not demonstrate a clear benefit of aspirin compared with VKA therapy alone [stroke...
Source: Journal of Thrombosis and Haemostasis - April 6, 2015 Category: Hematology Authors: Lisa Baumann Kreuziger, Benjamin Kim, Georg M. Wieselthaler Tags: Review Article Source Type: research

Antithrombotic Therapy for Left Ventricular Assist Devices in Adults: a Systematic Review.
CONCLUSIONS: Of 977 manuscripts, 24 articles met the inclusion criteria of adults with implanted LVADs where clinical outcomes were defined based on anticoagulant and/or antiplatelet regimen. Most studies reported treatment with unfractionated heparin post-operatively which was transitioned to a vitamin K antagonist (VKA). Goal INR varied between 1.5-3.5. Antiplatelet regimens ranged from no treatment to dual therapy. Definition of major bleeding differed between trials and incidence varied between 0% and 58%. The available evidence could not demonstrate a clear benefit of aspirin compared with VKA therapy alone [stroke R...
Source: Thrombosis and Haemostasis - April 6, 2015 Category: Hematology Authors: Kreuziger LB, Kim B, Wieselthaler GM Tags: J Thromb Haemost Source Type: research

Effectiveness and safety of dabigatran therapy in daily-care patients with atrial fibrillation. Results from the Dresden NOAC Registry.
Abstract The effectiveness and safety of dabigatran for stroke prevention in atrial fibrillation (SPAF) demonstrated in RE-LY needs to be confirmed in daily care. To evaluate treatment persistence, effectiveness and safety of dabigatran therapy in SPAF patients in daily care, we used data from an ongoing, prospective, non-interventional registry of more than 2,500 patients on novel oral anticoagulants in daily care. Between October 1, 2011 and February 28, 2013, a total of 341 SPAF patients receiving dabigatran were enrolled. The combined endpoint of stroke/transient ischaemic attack/systemic embolism occurred at ...
Source: Thrombosis and Haemostasis - March 5, 2015 Category: Hematology Authors: Beyer-Westendorf J, Ebertz F, Förster K, Gelbricht V, Michalski F, Köhler C, Werth S, Endig H, Pannach S, Tittl L, Sahin K, Daschkow K, Weiss N Tags: Thromb Haemost Source Type: research