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Journal of Thrombosis and Thrombolysis OnlineFirst articles

02.11.2019 | Anticoagulant

The anticoagulant effect of Apis mellifera phospholipase A2 is inhibited by CORM-2 via a carbon monoxide-independent mechanism

Bee venom phospholipase A2 (PLA2) has potential for significant morbidity. Ruthenium (Ru)-based carbon monoxide releasing molecules (CORM) inhibit snake venoms that are anticoagulant and contain PLA2. In addition to modulating heme-bearing …

verfasst von:
Vance G. Nielsen

01.11.2019

Universal venous thromboembolism policy is effective but may not adequately protect hospitalized cancer patients with larger BMI

Routine VTE prophylaxis is recommended for hospitalized patients, but its effectiveness and safety in cancer patients is unclear. By observation, larger patients seemed poorly covered by the prophylaxis policy. The effectiveness and safety of VTE …

verfasst von:
Anna Xu, Hassan Sibai, Eshetu G. Atenafu, Kelsey Japs, Jack T. Seki

Open Access 23.10.2019

Pharmacodynamic assessment of prasugrel and clopidogrel in patients with non-cardioembolic stroke: a multicenter, randomized, active-control clinical trial

Prasugrel, a novel P2Y12 receptor antagonist, has been shown to be more effective than clopidogrel for preventing cardiovascular events in patients with acute coronary syndromes undergoing percutaneous coronary intervention. We investigated the …

verfasst von:
Takenori Yamaguchi, Toshiaki Shirai, Satoshi Yoshiba, Kenji Abe, Yasuo Ikeda

17.10.2019

Management of oral anticoagulation in very old patients with non valvular atrial fibrillation related acute ischemic stroke

The optimal management of oral anticoagulation (OAC) in the acute phase of non valvular atrial fibrillation (NVAF)-related acute ischemic stroke (AIS) remains controversial, especially in very old patients. Therefore, the aim of our study was to …

verfasst von:
Vieri Vannucchi, Federico Moroni, Elisa Grifoni, Rossella Marcucci, Giancarlo Landini, Domenico Prisco, Luca Masotti

24.09.2019

Comparison of polyspecific versus IgG specific ELISA in predominately cardiac patients with suspected heparin induced thrombocytopenia

A diagnosis of heparin induced thrombocytopenia (HIT) must often be made based on clinical and laboratory evidence. This was a quasi-experimental study of patients admitted from June 2016 to October 2017. The primary endpoint was the incidence of …

verfasst von:
Sophie Samuel, Mary F. McGuire, Jennifer Cortes, Miguel Escobar, Phillip Weeks, Andy Nguyen

18.09.2019

Machine learning versus traditional risk stratification methods in acute coronary syndrome: a pooled randomized clinical trial analysis

Traditional statistical models allow population based inferences and comparisons. Machine learning (ML) explores datasets to develop algorithms that do not assume linear relationships between variables and outcomes and that may account for higher …

verfasst von:
William J. Gibson, Tarek Nafee, Ryan Travis, Megan Yee, Mathieu Kerneis, Magnus Ohman, C. Michael Gibson

13.09.2019

Global thromboelastometry in patients receiving direct oral anticoagulants: the RO-DOA study

Rapidly available tests might be useful to measure the anticoagulant effect of direct oral anticoagulants (DOAs) in emergency situations as bleedings, surgery, or before thrombolysis. The aim of this study was to assess the effects of DOAs on …

verfasst von:
Maria Cristina Vedovati, Maria Giulia Mosconi, Federico Isidori, Giancarlo Agnelli, Cecilia Becattini

06.09.2019

Extended prophylaxis of venous thromboembolism with betrixaban in acutely ill medical patients with and without cancer: insights from the APEX trial

Acutely ill medical patients with cancer are at increased risk of venous thromboembolism (VTE). Thromboprophylaxis is recommended in the presence of cancer, but its safety is not known. The aim of this study was to assess the efficacy and safety …

verfasst von:
Walter Ageno, Renato D. Lopes, Megan K. Yee, Adrian Hernandez, Russell Hull, Samuel Z. Goldhaber, C. Michael Gibson, Alexander T. Cohen

06.09.2019

The role of anticoagulation in pylephlebitis: a retrospective examination of characteristics and outcomes

Pylephlebitis, or suppurative thrombophlebitis of the portal vein, typically occurs in the context of an intraabdominal infection or abdominal sepsis. Antibiotics are the mainstay of treatment. The role of anticoagulation in the management of …

verfasst von:
Leonard Naymagon, Douglas Tremblay, Thomas Schiano, John Mascarenhas

03.09.2019

ADAMTS13 activity is associated with early neurological improvement in acute ischemic stroke patients treated with intravenous thrombolysis

Although intravenous thrombolysis (IVT) with recombinant tissue-plasminogen-activator represents a highly effective treatment in acute ischemic stroke patients, not every patient benefits. We hypothesized that pretreatment levels of mediators of …

verfasst von:
Anne-Sophie Putzer, Hans Worthmann, Gerrit M. Grosse, Friedrich Goetz, Jens Martens-Lobenhoffer, Meike Dirks, Jan T. Kielstein, Ralf Lichtinghagen, Ulrich Budde, Stefanie M. Bode-Böger, Karin Weissenborn, Ramona Schuppner

30.08.2019

Ticagrelor and tirofiban in pregnancy and delivery: beyond labels

Pregnancy-associated acute myocardial infarction is a rare condition usually occurring during the third trimester of pregnancy, and associated with three-to-four-fold higher mortality compared with rates among non-pregnant women of the same age.

verfasst von:
Donatella Argentiero, Stefano Savonitto, Paola D’Andrea, Fortunato Iacovelli

29.08.2019

Cancer-associated thromboembolism: antithrombotic management of hospitalized patients

Cancer increases risk for venous thromboembolism. Incident thrombocytopenia increases hemorrhagic risk. Hospitalized adults with a cancer diagnosis who received subcutaneous dalteparin in doses adjusted according to platelet count were …

verfasst von:
Larry K. Golightly, Bonita A. Simendinger, Tyree H. Kiser

27.08.2019 | Neurosurgery

Prolonged activated partial thromboplastin time after prophylactic-dose unfractionated heparin in the post-operative neurosurgical setting: case series and management recommendations

Primary brain tumors, both benign and malignant, pose a high risk of perioperative venous thromboembolism (VTE) due to the development of a prothrombotic state. Perioperative pharmacologic thromboprophylaxis with subcutaneous (SC) unfractionated …

verfasst von:
Michael Shusterman, Niklas Grassl, Karen Berger, Maria T. De Sancho

17.08.2019

Resolution of acute lower extremity deep vein thrombosis with rivaroxaban compared to warfarin

Thrombosis resolution is an important component of treatment for deep vein thrombosis (DVT) and multiple anticoagulants are now available. It is unknown whether rivaroxaban contributes to a higher degree of thrombus resolution compared to …

verfasst von:
Damon E. Houghton, Alexander Lekah, Thanila A. Macedo, David Hodge, Rayya A. Saadiq, Yvonne Little, Ana I. Casanegra, Robert D. McBane, Waldemar E. Wysokinski

08.08.2019

Pulmonary embolism response team implementation improves awareness and education among the house staff and faculty

A subset of high-risk pulmonary embolism (PE) patients requires advanced therapy beyond anticoagulation. Significant variation in delivery of care has led institutions to standardize their approach by developing Pulmonary Embolism Response Team …

verfasst von:
Yevgeniy Brailovsky, Siri Kunchakarra, Vladimir Lakhter, Geoffrey Barnes, Dalila Masic, Erin Mancl, Katerina Porcaro, Carlos F. Bechara, John J. Lopez, Kevin Simpson, Verghese Mathew, Jawed Fareed, Amir Darki

02.08.2019

Right ventricular dysfunction is superior and sufficient for risk stratification by a pulmonary embolism response team

Several risk stratification tools are available to predict short-term mortality in patients with acute pulmonary embolism (PE). The presence of right ventricular (RV) dysfunction is an independent predictor of mortality and may be a more efficient …

verfasst von:
Yu Lin Chen, Colin Wright, Anthony P. Pietropaoli, Ayman Elbadawi, Joseph Delehanty, Bryan Barrus, Igor Gosev, David Trawick, Dhwani Patel, Scott J. Cameron