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Warfarin reversal

Caitlin S Brown, Wesley R Zemrak, Kaitlin J Dyer, Stephen Rolfe
Left ventricular assist devices (LVADs) have become an important advancement for patients with end-stage heart failure. Left ventricular assist devices come with the risk of stroke and pump thrombosis, and to mitigate these risks, anticoagulation is given to these patients. With anticoagulation comes increased bleeding risk, and urgent reversal may be necessary. Reports have shown that the risk of thrombosis with prothrombin complex concentrate (PCC) does exist, especially in patients with baseline risk factors for thrombosis...
March 20, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Rachael Scott, Brian Kersten, Jeanne Basior, Megan Nadler
BACKGROUND: Different strategies exist for dosing four-factor prothrombin complex concentrate (PCC4) for international normalized ratio (INR) reversal in the setting of life-threatening bleeding. Fixed doses ranging from 1000 IU to 1750 IU have demonstrated efficacy similar to weight-based dosing, however, few studies look exclusively at intracranial hemorrhage (ICH). OBJECTIVE: Our aim was to evaluate whether a fixed dose of 1000 IU of PCC4 achieves INR reversal similar to weight-based dosing in patients with ICH who were anticoagulated with warfarin...
March 3, 2018: Journal of Emergency Medicine
Vinayak Nagaraja, Greg Cranney, Virag Kushwaha
In the prevention and treatment of thromboembolic disease, novel oral anticoagulants have emerged as alternatives to warfarin. A major challenge continues to be the reversal of their anticoagulant effect in the case of life-threatening haemorrhagic complications. We report a case of spontaneous splenic rupture treated by splenic artery embolisation in a 77-year-old woman who was anticoagulated with rivaroxaban.
March 5, 2018: BMJ Case Reports
A Shaun Rowe, Scott K Dietrich, John W Phillips, Kaci E Foster, Joshua R Canter
OBJECTIVES: To compare the international normalized ratio normalization efficacy of activated prothrombin complex concentrates and 4-factor prothrombin complex concentrates and to evaluate the thrombotic complications in patients treated with these products for warfarin-associated hemorrhage. DESIGN: Retrospective, Multicenter Cohort. SETTING: Large, Community, Teaching Hospital. PATIENTS: Patients greater than 18 years old and received either activated prothrombin complex concentrate or 4-factor prothrombin complex concentrate for the treatment of warfarin-associated hemorrhage...
March 1, 2018: Critical Care Medicine
Ryota Kurogi, Kunihiro Nishimura, Michikazu Nakai, Akiko Kada, Satoru Kamitani, Jyoji Nakagawara, Kazunori Toyoda, Kuniaki Ogasawara, Junichi Ono, Yoshiaki Shiokawa, Toru Aruga, Shigeru Miyachi, Izumi Nagata, Shinya Matsuda, Shinichi Yoshimura, Kazuo Okuchi, Akifumi Suzuki, Fumiaki Nakamura, Daisuke Onozuka, Keisuke Ido, Ai Kurogi, Nobutaka Mukae, Ataru Nishimura, Koichi Arimura, Takanari Kitazono, Akihito Hagihara, Koji Iihara
OBJECTIVES: This cross-sectional survey explored the characteristics and outcomes of direct oral anticoagulant (DOAC)-associated nontraumatic intracerebral hemorrhages (ICHs) by analyzing a large nationwide Japanese discharge database. METHODS: We analyzed data from 2,245 patients who experienced ICHs while taking anticoagulants (DOAC: 227; warfarin: 2,018) and were urgently hospitalized at 621 institutions in Japan between April 2010 and March 2015. We compared the DOAC- and warfarin-treated patients based on their backgrounds, ICH severities, antiplatelet therapies at admission, hematoma removal surgeries, reversal agents, mortality rates, and modified Rankin Scale scores at discharge...
February 28, 2018: Neurology
Susan E Smith, Kelli A Rumbaugh
PURPOSE: Persistent elevation of prothrombin time (PT) and International Normalized Ratio (INR) values in a patient receiving daptomycin is reported. SUMMARY: A morbidly obese 51-year-old man was hospitalized for evaluation for surgical intervention for gallstone pancreatitis and biliary obstruction. Previously prescribed warfarin therapy was withheld due to suspected coagulopathy and an elevated INR (5.1), and warfarin reversal was initiated. After undergoing partial cholecystectomy on hospital day 6, the patient developed sepsis and was treated with i...
March 1, 2018: American Journal of Health-system Pharmacy: AJHP
Bryan D Hayes, Michael E Winters, Steve B Rosenbaum, Mohannad F Allehyani, Gary M Vilke
BACKGROUND: In 2010, the U.S. Food and Drug Administration (FDA) approved dabigatran as the first non-warfarin oral anticoagulant for use in the United States. At the time of FDA approval, there was no antidote or effective treatment for dabigatran-induced hemorrhage. In 2015, the FDA approved idarucizumab for the treatment of dabigatran-induced hemorrhage. The purpose of this clinical practice statement is to evaluate the role of select reversal agents in the management of patients with dabigatran-associated bleeding...
February 15, 2018: Journal of Emergency Medicine
Burr Fong, Daniel Novak, Michael Dalley, Gregory Alfred
BACKGROUND: Deep vein thrombosis (DVT) is a common disease that is diagnosed in approximately 1 in 1000 adults annually. Extensive DVT can lead to life- or limb-threatening diagnoses such as phlegmasia cerulea dolens (PCD), phlegmasia alba dolens, and venous gangrene. PCD, also known as massive iliofemoral venous thrombosis, is rare, and a severe complication of DVT. CASE REPORT: We report a case of a 94-year-old bedridden woman with past medical history of dementia, hypertension, pulmonary embolism, DVT, and atrial fibrillation...
February 12, 2018: Journal of Emergency Medicine
Pamela L Lutsey, Keith J Horvath, Lisa Fullam, Stephan Moll, Mary R Rooney, Mary Cushman, Neil A Zakai
BACKGROUND: Warfarin and direct oral anticoagulants (DOACs) are used for the initial treatment and secondary prevention of venous thromboembolism (VTE), and have similar efficacy. Patient concerns and preferences are important considerations when selecting an anticoagulant, yet these are not well studied. METHODS: VTE patients ( n = 519) were surveyed from online sources (, and National Blood Clot Alliance Facebook followers [ n = 495]) and a haematology clinic in Vermont ( n = 24)...
February 15, 2018: Thrombosis and Haemostasis
Stephanie A Joppa, Justin Salciccioli, Jill Adamski, Salma Patel, Waldemar Wysokinski, Robert McBane, Farah Al-Saffar, Heidi Esser, Fadi Shamoun
Millions of patients in the United States use anticoagulation for a variety of indications, such as the prevention of stroke in those with atrial fibrillation (AF) and the treatment and prevention of venous thrombosis. For over six decades warfarin was the only available oral anticoagulant, but now several DOACs are available and their use has become more prevalent in recent years. In spite of this increased use, many physicians remain reluctant to prescribe DOACs due to concerns about bleeding and reversibility...
February 11, 2018: Journal of Clinical Medicine
Sara Meirinho, Ricardo Relvas, Gilberto Alves
BACKGROUND: Epistaxis is an active nose bleeding with a population occurrence of approximately 60%. Although epistaxis is a common clinical complaint, the majority of the cases are benign and caused by local induced factors (e.g., trauma and local inflammation). Nevertheless, it is also recognised that epistaxis can be induced after some drugs intake. AIMS: Due to the increasing use of drugs or drug combinations that potentially may induce epistaxis, this review aims to alert healthcare professionals for this often neglected adverse drug effect and its possible complications...
February 12, 2018: Current Drug Safety
Chancey Carothers, Amanda Giancarelli, Joseph Ibrahim, Brandon Hobbs
BACKGROUND: Patients with traumatic intracranial hemorrhage (TIH) anticoagulated with warfarin are at an increased risk of mortality. Fresh frozen plasma (FFP) and vitamin K have been the standard treatment for warfarin reversal; however, guidelines now recommend the use of prothrombin complex concentrate (PCC) for warfarin reversal in patients with life-threatening bleeding. Our protocol uses one vial (∼1000 units) of activated PCC (aPCC) for warfarin reversal, regardless of the weight or presenting international normalized ratio (INR)...
March 2018: Journal of Surgical Research
Sergio Fasullo, Stefania Davì, Gioacchino Cosenza, Francesca Di Franco, Nicola La Manna, Alfonso Giubilato, Graziella Vetrano, Giorgio Maringhini
This case report describes agranulocytosis immediately after oral administration of dabigatran in a 68 years old man with atrial fibrillation (AF). Dabigatran is an oral, reversible and competitive thrombin inhibitor that has shown promising results. In patients with atrial fibrillation of RE-LY study (Randomized Evaluation of Long-Term Anticoagulant Therapy), dabigatran administered at a dose of 150 mg, as compared with warfarin, was associated with lower rates of stroke and systemic embolism but similar rates of major hemorrhage...
February 5, 2018: Journal of Thrombosis and Thrombolysis
Ding Wen Wu, Yu Xia, Joan Uelinger, Stephen Forest, James Szymanski, Kala Mohandas, Ronald Walsh, Sadiqa Karim, Etan Marks, Evan Himchak, Ritu Gupta, Daniel Goldstein
BACKGROUND: Left ventricular assist device (LVAD) recipients undergoing heart transplantation have increased bleeding risk. We compared conventional warfarin reversal with fresh frozen plasma vs 4-factor prothrombin complex concentrate (PCC) and the effect on transfusion requirements, blood bank costs, and clinical outcomes. METHODS: A retrospective review identified 60 consecutive LVAD recipients undergoing heart transplantation divided into two groups: 30 (no PCC) received fresh frozen plasma and 30 (PCC) received PCC...
February 1, 2018: Annals of Thoracic Surgery
Elizabeth A Messana, Suprat Saely, Scott R Millis, Phillip D Levy
: Previous studies suggest low, fixed-dose regimens of activated prothrombin complex concentrate [factor VIII inhibitor bypassing activity (FEIBA); 500 U for international normalized ratio (INR) < 5; 1000 U for INR > 5] is effective for reversal of warfarin-induced life-threatening bleeds. Little data are available on the use of high-dose, weight-based FEIBA for this indication. The objective of this study was to evaluate effectiveness and safety of high-dose, weight-based FEIBA (50 U/kg) vs...
March 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
Rachel Van Dusen
INTRODUCTION: Life-threatening bleeding is the most feared complication of warfarin therapy. Rapid anticoagulant reversal via replacement of vitamin K dependent clotting factors is essential for hemostasis. METHODS: A retrospective cohort study of warfarin-treated patients experiencing a life-threatening bleed treated with a warfarin reversal protocol comprised of 4F PCC (post-implementation group) and those who received the prior reversal protocol of 3F PCC and rFVIIa (pre-implementation group) was performed...
January 5, 2018: American Journal of Surgery
Cassie A Barton, Marissa Hom, Nathan B Johnson, Jon Case, Ran Ran, Martin Schreiber
INTRODUCTION: Life-threatening bleeding can complicate warfarin therapy. Rapid anticoagulant reversal via replacement of vitamin-K dependent clotting factors is essential for hemostasis. We compare two methods of rapid factor replacement for warfarin reversal. METHODS: A retrospective cohort study of warfarin-treated patients experiencing life-threatening bleeding who received a reversal protocol comprised of 4F PCC or 3F PCC and rFVIIa was performed. Demographic, clinical and anticoagulant reversal information, and all adverse events attributed to warfarin reversal were recorded...
January 5, 2018: American Journal of Surgery
Brett A Faine, Julie Amendola, Jordan Homan, Azeemuddin Ahmed, Nicholas Mohr
PURPOSE: Results of a study of anticoagulation reversal agent availability in rural and community hospital emergency departments (EDs) are reported. METHODS: A cross-sectional telephone survey was conducted to test the hypothesis that anticoagulation reversal agents are not commonly stocked in low-volume EDs. In phase 1 of the study, a physician, pharmacist, or nurse manager at a sample of EDs in 1 state was surveyed to characterize anticoagulation reversal agent availability and the presence or absence of reversal protocols; in phase 2, follow-up qualitative interviews were conducted with hospital pharmacists selected by purposive sampling to identify barriers to availability...
January 15, 2018: American Journal of Health-system Pharmacy: AJHP
Maria Stratton, Philip Grgurich, Kurt Heim, Sandra Mackey, Joseph D Burns
BACKGROUND: Therapeutic options for rapid reversal of vitamin K antagonist therapy include 4-factor prothrombin complex concentrate (PCC4) and fresh frozen plasma (FFP). These agents have unique requirements for preparation, potential adverse effects, and cost-effectiveness considerations. OBJECTIVE: To retrospectively assess whether our process for collaborative prospective review and pharmacy preparation facilitates timely and safe warfarin reversal with PCC4 as compared with FFP and to compare effectiveness and safety of the agents in practice...
January 1, 2018: Annals of Pharmacotherapy
Taylor Steuber
Appropriate treatment of venous thromboembolism (VTE) is critical to minimizing long-term morbidity and mortality. The emergence of direct oral anticoagulants (DOACs) has provided clinicians with expanded therapeutic options for patients with VTE, and as a result, updated practice guidelines released by the American College of Chest Physicians favor DOACs over traditional anticoagulants, such as warfarin. The newest DOAC, betrixaban, received FDA approval in 2017, with an indication for VTE prophylaxis in hospitalized adults...
December 2017: American Journal of Managed Care
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