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https://www.readbyqxmd.com/read/28735353/non-vitamin-k-oral-anticoagulants-noacs-and-their-reversal
#1
REVIEW
Sujan T Reddy, T C Cossey, Sean I Savitz, James C Grotta
PURPOSE OF REVIEW: An 80-year-old man presents with an acute right hemiparesis and National Institutes of Health Stroke Scale (NIHSS) of 25, 14 h after taking dabigatran. Activated partial thromboplastin time (aPTT) is 42.8 s. Arteriogram demonstrates left internal carotid artery thrombosis. What is the appropriate management of this patient with acute ischemic stroke while on a NOAC? RECENT FINDINGS: Idarucizumab is a reversal agent approved for dabigatran, and two more reversal agents, andexanet alfa and aripazine, are currently in development for NOACs...
September 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28734614/correlation-of-the-caprini-score-and-venous-thromboembolism-incidence-following-primary-total-joint-arthroplasty-results-of-a-single-institution-protocol
#2
Dexter K Bateman, Robert W Dow, Andrzej Brzezinski, Howard Y Bar-Eli, Stephen T Kayiaros
BACKGROUND: Venous thromboembolism (VTE), including pulmonary embolism (PE) and deep vein thrombosis, is a serious complication after total joint arthroplasty (TJA). Risk assessment models are increasingly used to provide patient-specific risk stratification. A recently implemented protocol mandates calculation of a Caprini Score for all surgical patients at our institution. We investigated the accuracy of the Caprini Score in predicting VTE events following TJA. METHODS: A retrospective review of patients undergoing primary total hip (THA) and total knee arthroplasty (TKA) over a 1-year time period was performed...
July 5, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28734547/management-of-hemostatic-disorders-in-patients-with-advanced-liver-disease-admitted-to-an-intensive-care-unit
#3
REVIEW
Ton Lisman, William Bernal
Patients with liver diseases frequently acquire complex changes in their hemostatic system. Traditionally, bleeding complications in patients with liver disease were ascribed to these hemostatic changes, and liver diseases were considered as an acquired bleeding disorder. Nowadays, it is increasingly acknowledged that patients with liver diseases are in "hemostatic rebalance" due to a commensurate decline in pro- and anticoagulant drivers. Indeed, both thrombosis and bleeding may complicate liver disease. Such complications may be particularly worrisome in critically ill patients with liver disease...
June 23, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28734433/hybrid-approach-for-the-treatment-of-superior-vena-cava-syndrome-induced-by-pacemaker
#4
Ramón Maseda Uriza, Alfonso Jurado-Román, Javier Jimenez Díaz, Jesús Piqueras Flores, Felipe Higuera Sobrino, Enrique Oliva De Anquín
Pacemaker-induced superior vena cava syndrome (SVCS) is a rare but incapacitating adverse event that can occur years after implantation. Inasmuch as it is a rare disease, there is no consensus about its treatment. The most widely used option is balloon angioplasty and venous stent implantation, with preservation of the lead or previous extraction and subsequent reimplantation after the procedure, which is associated with new episodes of thrombosis. The epicardial implantation reduces the risk of thrombosis...
August 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28734156/a-novel-hypoxia-response-element-regulates-oxygen-related-repression-of-tissue-factor-pathway-inhibitor-in-the-breast-cancer-cell-line-mcf-7
#5
Xue Yan Cui, Grethe Skretting, Mari Tinholt, Benedicte Stavik, Anders Erik Astrup Dahm, Kristine Kleivi Sahlberg, Sandip Kanse, Nina Iversen, Per Morten Sandset
BACKGROUND: Hypoxia is one of the most pervasive physiological stresses in solid tumors. We have previously demonstrated that tissue factor (TF) pathway inhibitor (TFPI) expression was transcriptionally repressed by the activation of hypoxia inducible factor (HIF)-1α under hypoxic conditions. However, the role of HIF-2α, also known as endothelial PAS domain-containing protein 1 (EPAS1), on TFPI expression remains unclear. AIM: To explore the role of HIF-2α/EPAS1 in the regulation of TFPI expression under hypoxia in breast cancer cells...
July 14, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28734155/activation-of-mtor-is-involved-in-anti-%C3%AE-2gpi-%C3%AE-2gpi-induced-expression-of-tissue-factor-and-il-8-in-monocytes
#6
Longfei Xia, Hong Zhou, Ting Wang, Yachao Xie, Ting Wang, Xiaoyan Wang, Jinchuan Yan
Previous study has demonstrated that activation of the mammalian target of rapamycin (mTOR) pathway in endothelial cells (ECs) results in the formation of chronic vascular lesions associated with antiphospholipid syndrome (APS). In addition, it has been shown that stimulation of monocytes and ECs by antiphospholipid antibodies (aPL) leads to a prothrombotic and proinflammatory state and up-regulated expression of tissue factor (TF) and inflammatory cytokines. However, the role of mTOR in pathogenic mechanisms of APS remains largely unexplored...
June 1, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28733995/incidence-predictors-and-clinical-outcomes-of-early-stent-thrombosis-in-acute-myocardial-infarction-patients-treated-with-primary-percutaneous-coronary-angioplasty-insights-from-the-university-of-ottawa-heart-institute-stemi-registry
#7
Kuljit Singh, Mohammed Rashid, Derek Y So, Christopher A Glover, Michael Froeschl, Benjamin Hibbert, Aun-Yeong Chong, Alexander Dick, Marino Labinaz, Michel Le May
BACKGROUND: Early stent thrombosis (ST) remains an important complication of primary percutaneous intervention (PCI). To date, our information on angiographic and clinical predictors of early ST in ST-segment elevation myocardial infarction (STEMI) patients treated with primary PCI is limited. METHODS: We tried to evaluate the incidence, predictors, and outcomes of early ST in real-world patients treated with primary PCI. We identified all the patients presenting with STEMI between June 2004 and January 2011 who underwent primary PCI as the primary mode of revascularization...
July 22, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28733177/transjugular-local-thrombolysis-with-without-tips-in-patients-with-acute-non-cirrhotic-non-malignant-portal-vein-thrombosis
#8
Christoph Klinger, Bettina Riecken, Arthur Schmidt, Andrea De Gottardi, Benjamin Meier, Jaime Bosch, Karel Caca
BACKGROUND & AIMS: Therapeutic anticoagulation is the standard treatment in patients with acute non-cirrhotic portal vein thrombosis (PVT). In critically ill patients, anticoagulation only may not suffice to achive rapid and stable recanalization. This study evaluates efficacy and safety of transjugular interventional therapy in acute non-cirrhotic PVT. METHODS: This retrospective study includes 17 consecutive patients with acute noncirrhotic, non-malignant PVT...
June 27, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28733096/brachial-vein-transposition-is-a-promising-ultimate-upper-limb-autologous-arteriovenous-angioaccess-despite-its-many-pitfalls
#9
Lamisse Karam, Marek Rawa, Richard Shoenfeld, Pierre Bourquelot
OBJECTIVE: The objective of this study was to retrospectively evaluate the possibility of using the brachial veins despite their deep location, small caliber, and thin wall. METHODS: There were 64 patients without superficial veins who were eligible for two-stage brachial vein transposition (BrVT); 54 patients were on hemodialysis, 9 patients had sickle cell disease, and 1 patient had long-term parenteral nutrition. Preoperative imaging was performed with color duplex ultrasound as well as venography for suspected central vein stenosis...
July 18, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28731889/stent-thrombosis-with-bioabsorbable-polymer-drug-eluting-stents-insights-from-the-food-and-drug-administration-database
#10
Abdur R Khan, Avnish Tripathi, Talha A Farid, Bilal Abaid, Deepak L Bhatt, Jon R Resar, Michael P Flaherty
BACKGROUND: SYNERGY, a bioabsorbable polymer-based, everolimus-eluting stent (BP-DES), recently received regulatory approval in the USA for use in percutaneous coronary interventions. Yet, information on the safety of BP-DES in routine clinical practice is limited. Our aim was to compare the safety of the recently approved BP-DES with current durable polymer drug-eluting stents (DP-DES) by analyzing adverse events, namely, stent thrombosis (ST), reported to the Manufacturer and User Facility Device Experience (MAUDE) database...
July 20, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28731874/novel-targets-for-anticoagulants-lacking-bleeding-risk
#11
Julia K Bickmann, Trevor Baglin, Joost C M Meijers, Thomas Renné
PURPOSE OF REVIEW: Arterial and venous thromboembolic diseases are associated with significant morbidity and mortality and present a major medical burden. Currently used anticoagulants for the prevention or treatment of thromboembolic events including heparins, vitamin K-antagonists and inhibitors of thrombin or factor Xa target enzymes of the coagulation cascade that are critical for fibrin formation. However, fibrin is also necessary for hemostatic mechanisms to terminate blood loss at injury sites...
July 20, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28731490/lancisi-s-sign-and-central-venous-catheter-tip-position-a-case-report
#12
Valentina Vigo, Piero Lisi, Giuseppe Galgano, Carlo Lomonte
INTRODUCTION: Valvular disease and pulmonary hypertension are common conditions in haemodialysis patients. In presence of tricuspid regurgitation, an increased retrograde blood flow into the right atrium during ventricle systole results in a typical modification of the normal venous waveform, creating a giant c-v wave. This condition clinically appears as a venous palpable pulsation within the internal jugular vein, also known as Lancisi's sign. CASE REPORT: An 83-year-old woman underwent haemodialysis for 9 years...
July 19, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28731370/an-evaluation-of-a-factor-xa-based-clotting-time-test-for-enoxaparin-a-proof-of-concept-study
#13
Deborah P J Ng, Stephen B Duffull, James M Faed, Geoffrey K Isbister, Abhishek Gulati
A well-accepted test for monitoring anticoagulation by enoxaparin is not currently available. As inadequate dosing may result in thrombosis or bleeding, a clinical need exists for a suitable test. Previous in silico and in vitro studies have identified factor Xa as an appropriate activating agent, and the phospholipid Actin FS as a cofactor for a Xa clotting time (TenaCT) test. A proof-of-concept study was designed to (1) explore the reproducibility of the TenaCT test and (2) explore factors that could affect the performance of the test...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28730895/incidence-treatment-strategies-and-outcomes-of-acute-coronary-syndrome-with-and-without-ongoing-myocardial-ischaemia-results-from-the-czech-3-registry
#14
Petr Tousek, Klara Staskova, Anna Mala, Martin Sluka, Alexandra Vodzinska, Radek Jancar, Denisa Maluskova, Jiri Jarkovsky, Petr Widimsky
BACKGROUND: Patients with acute coronary syndrome with signs of ongoing myocardial ischaemia at first medical contact should be indicated for immediate invasive treatment. AIM: To assess the incidence, treatment strategies and outcomes of acute coronary syndrome in a large unselected cohort of patients with respect to the signs of ongoing myocardial ischaemia. METHODS: The CZECH-3 registry included 1754 consecutive patients admitted for suspected acute coronary syndrome to 43 hospitals during a 2-month period in the autumn of 2015...
July 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28730407/venous-thromboembolism-thrombosis-inflammation-and-immunothrombosis-for-clinicians
#15
REVIEW
Eduardo Vazquez-Garza, Carlos Jerjes-Sanchez, Aline Navarrete, Jorge Joya-Harrison, David Rodriguez
Venous thromboembolism (VTE) is a worldwide disease related with mortality, cardiovascular disability, impaired quality of life and, cause major long-term complications. Clinicians related to the acute and long-term patients care must be involved in the molecular mechanisms of thrombosis. The vessel wall and its inner lining of the endothelium are critical to the maintenance of a patent vasculature. After endothelial disruption, collagen (first line of endothelial defense) and intravascular tissue factor (second line of endothelial defense) are exposed to blood flow, starting the formation of a thrombus...
July 20, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28730404/efficacy-of-thromboprophylaxis-during-pregnancy-in-women-with-a-previous-cerebral-vein-thrombosis
#16
Francesco Dentali, Nicola Mumoli, Marco Cei
No abstract text is available yet for this article.
July 20, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28730314/spontaneous-thrombosis-of-a-giant-cerebral-varix-in-a-pediatric-patient
#17
Mesut Ozturk, Serdar Aslan, Meltem Ceyhan Bilgici, Aysegul Idil Soylu, Keramettin Aydin
INTRODUCTION: Cerebral cortical venous aneurysm also known as cerebral varix is a rare entity that usually occurs in relation to high-flow draining veins of arteriovenous fistulas, arteriovenous malformations, and venous angioma. Isolated cerebral varix is an extremely rare entity. CASE REPORT: We present a 1-year-old male with isolated cerebral varix. During follow-up, the varix thrombosed spontaneously without causing any neurological deficits. CONCLUSION: To the best of our knowledge, spontaneous asymptomatic thrombosis of an isolated cerebral varix without any clinical finding was reported for the first time in the literature...
July 20, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28730176/thrombectomy-combined-with-indwelling-catheter-thrombolysis-is-more-effective-than-pure-thrombectomy-for-the-treatment-of-lower-extremity-deep-venous-thrombosis
#18
Wenli Wang, Yanfang Wu, Tao Fang, Dunyuan Xu
This study was a retrospective analysis of the efficacy of thrombectomy plus local catheter-directed thrombolysis (CDT) for the treatment of lower extremity deep venous thrombosis (LDVT). The experimental group underwent thrombectomy plus LCDT, whereas the control group underwent thrombectomy plus systemic thrombolysis via the dorsalis pedis vein. Venography and vascular color Doppler ultrasound were performed 7 days after surgery and at follow-up. The differences in the thigh and calf circumferences of normal and affected limbs were compared between groups...
2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/28729433/selective-factor-viii-activation-by-the-tissue-factor-factor-viia-factor-xa-complex
#19
Yuichi Kamikubo, G Loredana Mendolicchio, Antonella Zampolli, Patrizia Marchese, Andrea S Rothmeier, Jennifer Nagrampa Orje, Andrew J Gale, Sriram Krishnaswamy, András Gruber, Henrik Østergaard, Lars C Petersen, Wolfram Ruf, Zaverio M Ruggeri
Safe and effective antithrombotic therapy requires understanding of mechanisms that contribute to pathological thrombosis but have lesser impact on hemostasis. We found that the extrinsic tissue factor (TF) coagulation initiation complex can selectively activate the anti-hemophilic cofactor, FVIII, triggering the hemostatic intrinsic coagulation pathway independently of thrombin feedback loops. In a mouse model with a relatively mild thrombogenic lesion, TF-dependent FVIII activation sets the threshold for thrombus formation through contact phase-generated FIXa...
July 20, 2017: Blood
https://www.readbyqxmd.com/read/28729366/recommendation-on-design-execution-and-reporting-of-animal-atherosclerosis-studies-a-scientific-statement-from-the-american-heart-association
#20
REVIEW
Alan Daugherty, Alan R Tall, Mat J A P Daemen, Erling Falk, Edward A Fisher, Guillermo García-Cardeña, Aldons J Lusis, A Phillip Owens, Michael E Rosenfeld, Renu Virmani
Animal studies are a foundation for defining mechanisms of atherosclerosis and potential targets of drugs to prevent lesion development or reverse the disease. In the current literature, it is common to see contradictions of outcomes in animal studies from different research groups, leading to the paucity of extrapolations of experimental findings into understanding the human disease. The purpose of this statement is to provide guidelines for development and execution of experimental design and interpretation in animal studies...
July 20, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
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