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Specialty: Hematology
Condition: Bleeding

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Total 643 results found since Jan 2013.

Lower versus Standard INR Targets in Atrial Fibrillation: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
CONCLUSION:  Moderate quality evidence suggests lower INR targets reduce bleeding but increase thromboembolism in AF. The data are dominated by East-Asian studies, limiting generalizability to Western populations. Until higher quality data demonstrate otherwise, an INR range of 2 to 3 should remain standard for thromboembolic prophylaxis in AF. PMID: 31940677 [PubMed - as supplied by publisher]
Source: Thrombosis and Haemostasis - January 14, 2020 Category: Hematology Authors: Pandey AK, Xu K, Zhang L, Gupta S, Eikelboom J, Cook O, McIntyre WF, Lopes RD, Crowther M, Belley-Côté EP, Whitlock RP Tags: Thromb Haemost Source Type: research

The real world use of combined P-glycoprotein and moderate CYP3A4 inhibitors with rivaroxaban or apixaban increases bleeding
AbstractThe use of direct oral anticoagulants for stroke prevention in atrial fibrillation continues to rise. Certain populations may be at higher risk for increased drug exposure and adverse events. Pharmacokinetic studies suggest increased exposure of rivaroxaban and apixaban with combined P-gp and moderate CYP3A4 inhibitors but the clinical relevance of this is unknown. This retrospective cohort study included patients receiving rivaroxaban or apixaban from January 1, 2012 to December 31, 2016 with a moderate inhibitor (amiodarone, dronedarone, diltiazem, verapamil) for at least 3 months in the drug –drug interaction ...
Source: Journal of Thrombosis and Thrombolysis - January 9, 2020 Category: Hematology Source Type: research

Management of major bleeding outcomes under antithrombotic therapy in real-life
Bleeding is the most serious undesirable event of antithrombotic therapy, though this treatment has shown benefits in terms of venous or arterial thrombosis prevention, particularly in case of atrial fibrillation, stroke, venous thromboembolism, and coronary disease.
Source: Thrombosis Research - January 9, 2020 Category: Hematology Authors: F. Moustafa, A. Corriger, C. Lambert, A. Barres, C. Camminada, D. Teissandier, J. Saint-Denis, F. Dutheil, J. Schmidt Tags: Letter to the Editors-in-Chief Source Type: research

Direct oral anticoagulants and warfarin in patients with cirrhosis: a comparison of outcomes
In conclusion DOACs appear to be a safe alternative to warfarin in patients with mild to moderate cirrhosis. Further studies are warranted to confirm these findings.
Source: Journal of Thrombosis and Thrombolysis - January 7, 2020 Category: Hematology Source Type: research

Safety outcomes of apixaban in patients with nonvalvular atrial fibrillation and severe renal impairment
AbstractApixaban is prescribed for stroke prevention in nonvalvular atrial fibrillation (NVAF) in patients with varying degrees of renal dysfunction. While pharmacokinetic data support apixaban in severe renal impairment, clinical safety outcomes data are limited. This retrospective cohort analysis was conducted to evaluate the safety of apixaban in patients with NVAF and renal impairment. A total of 340 patients with NVAF receiving apixaban 5  mg or 2.5 mg twice daily were included for analysis; 287 preserved renal function (pRF: CrCl ≥ 25 ml/min and SCr ≤ 2.5 mg/dl) and 53 impaired renal function (iRF: CrCl <...
Source: Journal of Thrombosis and Thrombolysis - January 3, 2020 Category: Hematology Source Type: research

Heparin Bridging Therapy for Patients on Chronic Oral Anticoagulants in Periprocedural Settings
Semin Thromb Hemost DOI: 10.1055/s-0039-1696945Interruption of chronic anticoagulation due to the bleeding risk associated with an elective procedure may also lead to an elevated risk of thromboembolism. Periprocedural bridging with either unfractionated heparin or low-molecular weight heparin had been the mainstay of therapy for many patients receiving chronic warfarin treatment based on an estimation of a patient's thromboembolic risk. However, recent results from cohort studies and placebo-controlled randomized trials in the periprocedural use of heparin bridging for warfarin-treated patients reveal a consistent two- to...
Source: Seminars in Thrombosis and Hemostasis - December 11, 2019 Category: Hematology Authors: Nikolakopoulos, Ilias Spyropoulos, Alex C. Tags: Review Article Source Type: research

Is there a role for low-dose DOACs as prophylaxis?
Authors: Cohen AT, Hunt BJ Abstract The direct oral anticoagulants (DOACs) have transformed the management of thrombotic disorders. Large clinical trials have demonstrated that DOACs can replace vitamin K antagonists (VKAs) in the 2 existing major indications for anticoagulation: the prevention of stroke in atrial fibrillation and the acute treatment and secondary prevention of venous thromboembolism (VTE); this literature is widely known. In this article, we will concentrate on the less well-discussed benefits of the use of DOACs-using low doses as primary and secondary prophylaxis in both venous and arterial thro...
Source: Hematology ASH Education Program - December 7, 2019 Category: Hematology Tags: Hematology Am Soc Hematol Educ Program Source Type: research

Bleeding in critical care associated with left ventricular assist devices: pathophysiology, symptoms, and management.
Authors: Leebeek FWG, Muslem R Abstract Chronic heart failure (HF) is a growing health problem, and it is associated with high morbidity and mortality. Left ventricular assist devices (LVADs) are nowadays an important treatment option for patients with end-stage HF not only as a bridging tool to heart transplantation but also, as a permanent therapy for end-stage HF (destination therapy). The use of LVAD is associated with a high risk for bleeding complications and thromboembolic events, including pump thrombosis and ischemic stroke. Bleeding is the most frequent complication, occurring in 30% to 60% of patients, b...
Source: Hematology ASH Education Program - December 7, 2019 Category: Hematology Tags: Hematology Am Soc Hematol Educ Program Source Type: research

Evidence-Based Minireview: Mortality and thrombosis in patients receiving prothrombin complex concentrates or andexanet alfa for the management of direct oral factor Xa inhibitor-associated major bleeding.
Authors: Kimpton M, Siegal DM Abstract A 77-year-old man with atrial fibrillation and a CHA2DS2Vasc score of 6 for hypertension, age, diabetes, and previous stroke is brought to the emergency department with decreased level of consciousness. He is anticoagulated with rivaroxaban (a direct oral factor Xa inhibitor [FXaI]) and received his last dose about 4 hours before presentation. Urgent computed tomography of the head shows intracerebral hemorrhage. Because of his previous stroke, the patient's family is concerned about treating the bleed with pharmacological agents that may increase the risk of stroke. What are ...
Source: Hematology ASH Education Program - December 7, 2019 Category: Hematology Tags: Hematology Am Soc Hematol Educ Program Source Type: research

Antithrombotic therapy for chronic coronary syndrome and atrial fibrillation: less might be more
AbstractThe best strategy in atrial fibrillation (AF) after  >  12 months after an acute coronary syndrome or in patients with chronic coronary syndrome without an indication for interventional revascularization remains unclear. European guidelines generally recommend therapy with oral anticoagulation (OAC) alone, whereas North American guidelines advise com bination therapy consisting of OAC plus antiplatelet therapy in some patients. We performed a meta-analysis of available trials comparing these treatment strategies. The primary endpoint was major adverse cardiac events (MACE), secondary endpoints included maj...
Source: Journal of Thrombosis and Thrombolysis - December 2, 2019 Category: Hematology Source Type: research

Reduced dose thrombolysis with ultrasound-facilitated catheter-directed administration for acute pulmonary embolism reduces length of stay
AbstractThe optimal dose and duration of tissue plasminogen activator (tPA) administered with ultrasound-facilitated catheter-directed thrombolysis (USCDT) to patients with acute PE remains to be determined. Our institution recently adopted a shorter duration (4  h) of USCDT and lower dosing strategy (tPA 1 mg/h) based on data from the OPTALYSE PE Trial. The purpose was to evaluate the implementation at our institution of shorter duration (4 h) of USCDT and lower dosing strategy (tPA 1 mg/h) as outlined by OPTALYSE PE Trial. This was a retrospective, si ngle-center, observational study included patients from 01/01/2017...
Source: Journal of Thrombosis and Thrombolysis - December 2, 2019 Category: Hematology Source Type: research

Non-vitamin K antagonist oral anticoagulants in patients with hypertrophic cardiomyopathy and atrial fibrillation: a systematic review and meta-analysis
AbstractSeveral studies have explored the use of NOACs compared with vitamin K antagonists (VKAs) in patients with hypertrophic cardiomyopathy (HCM) and atrial fibrillation (AF); and therefore, we aimed to compare the efficacy and safety outcomes of NOACs with VKAs in this population. We systematically searched the PubMed and Embase databases until August 5, 2019 for studies that compared the effect of NOACs with VKAs in patients with HCM and AF. The risk ratios (RRs) with 95% confidence intervals (CIs) were pooled using a random-effects model. A total of four observational studies were included in this meta-analysis. Over...
Source: Journal of Thrombosis and Thrombolysis - December 1, 2019 Category: Hematology Source Type: research

Efficacy and Safety of Nonvitamin K Oral Anticoagulants in Patients with Atrial Fibrillation and Cancer: A Study-Level Meta-Analysis.
CONCLUSION:  In AF patients with malignancy, NOACs appear at least as effective as VKAs in preventing thrombotic events and reduce intracranial bleeding. NOACs may represent a valid and more practical alternative to VKAs in this setting of high-risk patients. PMID: 31785599 [PubMed - as supplied by publisher]
Source: Thrombosis and Haemostasis - November 29, 2019 Category: Hematology Authors: Cavallari I, Verolino G, Romano S, Patti G Tags: Thromb Haemost Source Type: research

The dawn of aspirin free strategy after short term dual antiplatelet for percutaneous coronary intervention: meta-analysis of randomized controlled trials
AbstractThere is still a debate about the safety and efficacy of an aspirin free strategy after percutaneous coronary intervention (PCI). Hence, we performed a meta-analysis comparing aspirin free strategy to dual antiplatlets therapy (DAPT). Randomized trials (RCTs) comparing aspirin free strategy to DAPT in patients who received PCI were included. The primary outcome of interest was bleeding, defined per the Bleeding Academic Research Consortium (BARC). Secondary outcomes included major adverse cardiovascular and cerebrovascular events (MACE); defined as all-cause mortality, myocardial infarction or stroke, the individua...
Source: Journal of Thrombosis and Thrombolysis - November 20, 2019 Category: Hematology Source Type: research

Thromboembolism and bleeding risk in atrial fibrillation ablation with uninterrupted anticoagulation between new oral anticoagulants and vitamin K antagonists: insights from an updated meta-analysis
In conclusions, uninterrupted NOACs was more effective than uninterrupted VKA in reducing major bleeding and pericardial effusion risk without increasing thromboembolism risk, and the benefits of uninterrupted NOACs on major bleeding complication could be more pronounced if CHA2DS2-VASc score  ≥ 2 or target ACT >  300 s.
Source: Journal of Thrombosis and Thrombolysis - November 3, 2019 Category: Hematology Source Type: research