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Antithrombotic therapy for prevention of thrombosis

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https://www.readbyqxmd.com/read/29757897/coagulation-defects-in-the-cirrhotic-patient-undergoing-liver-transplantation
#1
Arabesque Parker, Constantine J Karvellas
Patients with cirrhosis undergoing liver transplantation have unique challenges with regard to the prevention and management of thrombosis and hemorrhage. Patients with cirrhosis have an unstable balance of the coagulation system due to defects in both prothrombotic and antithrombotic components. These changes make laboratory monitoring challenging, prophylaxis against bleeding and thrombosis controversial, and therapy for the same uncertain. When cirrhotic patients undergo liver transplantation they frequently have significant transfusion requirements...
May 7, 2018: Transplantation
https://www.readbyqxmd.com/read/29703480/arterial-thrombosis-and-cancer
#2
Doron Aronson, Benjamin Brenner
Cancer-associated arterial thrombotic events (ATEs) are increasingly recognized in specific malignancies and in association with the expanding armamentarium of novel chemotherapeutic agents. The improved cancer survival led to cardiovascular complications becoming clinically relevant many years after cancer diagnosis. The pathobiology of ATEs in cancer is complex and the individual patient risk for an ATE entails a multifactorial interaction between the traditional cardiovascular risk factors and comorbidities, the specific malignancy and selected therapy...
April 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29685556/pathophysiology-of-thrombosis-and-anticoagulation-post-fontan-surgery
#3
Chantal Attard, Joanna Huang, Paul Monagle, Vera Ignjatovic
The Fontan procedure has transformed the lives of children born with single-ventricle physiology, previously deemed inoperable. Worldwide, there are an increasing number of children with Fontan circulation, with the potential for survival into adulthood. Due to the abnormal circulation, Fontan patients have an increased risk of thromboembolic (TE) events, with up to 25% of events leading to death. Despite the importance of preventing TE events in this patient population, there is currently no clinical consensus on the optimal monitoring, thromboprophylaxis therapies, and treatment of these events...
April 14, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29679144/antithrombotic-therapy-in-patients-with-non-valvular-atrial-fibrillation-undergoing-percutaneous-coronary-intervention-should-we-change-our-practice-after-the-pioneer-af-pci-and-re-dual-pci-trials
#4
D Duerschmied, J Brachmann, H Darius, N Frey, H A Katus, W Rottbauer, A Schäfer, H Thiele, C Bode, Uwe Zeymer
The number of patients with atrial fibrillation undergoing percutaneous coronary intervention (PCI) is increasing. Since these patients have a CHA2 DS2 -VASc score of 1 or higher, they should be treated with oral anticoagulation to prevent stroke. However, combination therapy with oral anticoagulation for prevention of embolic stroke and dual platelet inhibition for prevention of coronary thrombosis significantly increases bleeding complications. The optimal combination, intensity and duration of antithrombotic combination therapy is still not known...
April 20, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29577768/antithrombotic-therapy-in-patients-with-atrial-fibrillation-undergoing-percutaneous-coronary-intervention-where-are-we-now
#5
Ryan G D'Angelo, Thaddeus McGiness, Laura H White
OBJECTIVE: To synthesize the literature and provide guidance to practitioners regarding double therapy (DT) and triple therapy (TT) in patients with atrial fibrillation (AF) requiring percutaneous coronary intervention (PCI). DATA SOURCES: PubMed and MEDLINE (January 2000 to February 2018) were searched using the following terms: atrial fibrillation, myocardial infarction, acute coronary syndrome, percutaneous coronary intervention, anticoagulation, dual-antiplatelet therapy, clopidogrel, aspirin, ticagrelor, prasugrel, and triple therapy...
March 1, 2018: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/29484922/antithrombotic-therapy-for-venous-thromboembolism-and-prevention-of-thrombosis-in-otolaryngology-head-and-neck-surgery-state-of-the-art-review
#6
John D Cramer, Andrew G Shuman, Michael J Brenner
Objective The aim of this report is to present a cohesive evidence-based approach to reducing venous thromboembolism (VTE) in otolaryngology-head and neck surgery. VTE prevention includes deep venous thrombosis and pulmonary embolism. Despite national efforts in VTE prevention, guidelines do not exist for otolaryngology-head and neck surgery in the United States. Data Sources PubMed/MEDLINE. Review Methods A comprehensive review of literature pertaining to VTE in otolaryngology-head and neck surgery was performed, identifying data on incidence of thrombotic complications and the outcomes of regimens for thromboprophylaxis...
April 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29456511/p2y-12-receptors-in-tumorigenesis-and-metastasis
#7
REVIEW
Patrizia Ballerini, Melania Dovizio, Annalisa Bruno, Stefania Tacconelli, Paola Patrignani
Platelets, beyond their role in hemostasis and thrombosis, may sustain tumorigenesis and metastasis. These effects may occur via direct interaction of platelets with cancer and stromal cells and by the release of several platelet products. Platelets and tumor cells release several bioactive molecules among which a great amount of adenosine triphosphate (ATP) and adenosine diphosphate (ADP). ADP is also formed extracellularly from ATP breakdown by the ecto-nucleoside-triphosphate-diphosphohydrolases. Under ATP and ADP stimulation the purinergic P2Y1 receptor (R) initiates platelet activation followed by the ADP-P2Y12 R-mediated amplification...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29421002/evaluation-of-the-safety-and-efficacy-of-an-edoxaban-based-antithrombotic-regimen-in-patients-with-atrial-fibrillation-following-successful-percutaneous-coronary-intervention-pci-with-stent-placement-rationale-and-design-of-the-entrust-af-pci-trial
#8
Pascal Vranckx, Thorsten Lewalter, Marco Valgimigli, Jan G Tijssen, Paul-Egbert Reimitz, Lars Eckardt, Hans-Joachim Lanz, Wolfgang Zierhut, Rüdiger Smolnik, Andreas Goette
BACKGROUND: The optimal antithrombotic treatment after percutaneous coronary intervention (PCI) with stenting in patients with atrial fibrillation (AF) is unknown. In the ENGAGE AF-TIMI 48 trial, edoxaban was noninferior to a vitamin K antagonist (VKA) with respect to the prevention of stroke or systemic embolism and was associated with significantly lower rates of bleeding and cardiovascular death in patients with nonvalvular AF. The effects of edoxaban in combination with single- or dual-antiplatelet therapy in the setting of PCI are unexplored...
February 2018: American Heart Journal
https://www.readbyqxmd.com/read/29378352/atherothrombosis-and-thromboembolism-position-paper-from-the-second-maastricht-consensus-conference-on-thrombosis
#9
H M H Spronk, T Padro, J E Siland, J H Prochaska, J Winters, A C van der Wal, J J Posthuma, G Lowe, E d'Alessandro, P Wenzel, D M Coenen, P H Reitsma, W Ruf, R H van Gorp, R R Koenen, T Vajen, N A Alshaikh, A S Wolberg, F L Macrae, N Asquith, J Heemskerk, A Heinzmann, M Moorlag, N Mackman, P van der Meijden, J C M Meijers, M Heestermans, T Renné, S Dólleman, W Chayouâ, R A S Ariëns, C C Baaten, M Nagy, A Kuliopulos, J J Posma, P Harrison, M J Vries, H J G M Crijns, E A M P Dudink, H R Buller, Y M C Henskens, A Själander, S Zwaveling, O Erküner, J W Eikelboom, A Gulpen, F E C M Peeters, J Douxfils, R H Olie, T Baglin, A Leader, U Schotten, B Scaf, H M M van Beusekom, L O Mosnier, L van der Vorm, P Declerck, M Visser, D W J Dippel, V J Strijbis, K Pertiwi, A J Ten Cate-Hoek, H Ten Cate
Atherothrombosis is a leading cause of cardiovascular mortality and long-term morbidity. Platelets and coagulation proteases, interacting with circulating cells and in different vascular beds, modify several complex pathologies including atherosclerosis. In the second Maastricht Consensus Conference on Thrombosis, this theme was addressed by diverse scientists from bench to bedside. All presentations were discussed with audience members and the results of these discussions were incorporated in the final document that presents a state-of-the-art reflection of expert opinions and consensus recommendations regarding the following five topics: 1...
February 2018: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29376955/-pathogenesis-and-prevention-of-venous-and-arterial-thromboembolic-events-in-patients-after-deep-vein-thrombosis-of-lower-extremities
#10
A A Polyantsev, P V Mozgovoy, D V Frolov, A M Linchenko, Yu V Shchelokova, T A Litvinova, Yu A Dyakova, I A Frolenko
AIM: To define the role of thrombophilic and other procoagulant conditions in pathogenesis of deep vein thrombosis and the effectiveness of pathogenetic secondary prevention of venous and arterial thromboembolic events. MATERIAL AND METHODS: The study included 107 patients for the period 2007-2016 who were divided into 3 groups. The main group (n=40) - lifelong individual antithrombotic therapy with warfarin predominantly; the second (control) group (n=39) - warfarin administration for 3-6 months; the third (additional) group (n=28) - specific life-long therapy depending on procoagulant status which was assessed according to original scale...
2018: Khirurgiia
https://www.readbyqxmd.com/read/29373105/meta-analysis-comparing-the-safety-and-efficacy-of-dual-versus-triple-antithrombotic-therapy-in-patients-with-atrial-fibrillation-undergoing-percutaneous-coronary-intervention
#11
Ilaria Cavallari, Giuseppe Patti
In patients with atrial fibrillation undergoing percutaneous coronary intervention (PCI), the effectiveness and safety of dual compared with triple antithrombotic therapy are a matter of debate, especially when considering the prevention of end points at low incidence, such as myocardial infarction (MI), stent thrombosis, or mortality. This study-level meta-analysis included 4 controlled randomized trials and 6,036 patients with a clinical indication to chronic oral anticoagulation (OAC) after PCI, mainly for atrial fibrillation...
March 15, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29360524/dual-anticoagulant-plus-single-antiplatelet-vs-triple-anticoagulant-plus-dual-antiplatelet-antithrombotic-therapy-real-world-experience
#12
REVIEW
Mark B Effron, C Michael Gibson
Atrial fibrillation (AF) is a common arrhythmia that increases in prevalence with advancing age and in patients with coronary artery disease, revascularization, particularly with percutaneous coronary intervention (PCI), is also common. Both disease states have thrombosis as a core pathophysiologic process which requires treatment - low sheer stress thrombi in AF and intracoronary high sheer stress thrombi in PCI. For the 10-20% of patients who have both AF and undergo PCI, preventing thrombotic complications will require inhibition of both processes requiring simultaneous use of anticoagulation and antiplatelet therapy...
January 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29240058/-venous-thromboembolic-complications-in-patients-with-cardiovascular-implantable-electronic-devices
#13
R E Kalinin, I A Suchkov, I I Shitov, N D Mzhavanadze, V O Povarov
The problem of venous thromboembolic complications (VTECs) in patients with cardiovascular implantable electronic devices (CIEDs) is extremely important today because of an annually increasing number of surgical interventions for life-threatening arrhythmias and chronic heart failure. There are hitherto no clearly defined reliable risk factors for VTECs due to heterogeneity of the available literature data. Some sources point to elevated thrombus formation in patients with a large number of electrodes, in repeat operative interventions, in the presence of a temporary pacemaker, in implantation on the left side, silicon cover of an electrode, others refute these facts...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28982317/recent-developments-in-separation-of-low-molecular-weight-heparin-anticoagulants
#14
Radosław Sadowski, Renata Gadzała-Kopciuch, Bogusław Buszewski
The general function of anticoagulants is to prevent blood clotting and growing of the existing clots in blood vessels. In recent years, there has been a significant improvement in developing methods of prevention as well as pharmacologic and surgical treatment of thrombosis. For over the last two decades, low molecular weight heparins (LMWHs) have found their application in the antithrombotic diseases treatment. These types of drugs are widely used in clinical therapy. Despite the biological and medical importance of LMWHs, they have not been completely characterized in terms of their chemical structure...
October 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28943264/could-anticoagulation-avoid-bioprosthesis-subclinical-thrombosis-in-patients-undergoing-transcatheter-aortic-valve-replacement
#15
François Huchet, Vincent Letocart, Patrice Guerin, Caroline Cueff, Julie Roy-Giocosa, Béatrice Guyomarch-Delasalle, Philippe Jaafar, Thibaut Manigold
BACKGROUND: Despite a lack of clear evidence, current European guidelines recommend antiplatelet therapy after transcatheter aortic valve replacement (TAVR). Recent investigations suggest that bioprosthesis thrombosis after TAVR is not uncommon and may be prevented by anticoagulation, but not by antiplatelet therapy. AIMS: The study objective was to assess the impact of the antithrombotic regimen on post-TAVR early haemodynamics. METHODS: Patients eligible for TAVR with an Edwards SAPIEN 3 valve were included in this prospective observational study...
January 2018: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28868074/update-on-pharmacological-treatment-of-acute-coronary-syndrome-without-persistent-st-segment-elevation-myocardial-infarction-in-the-elderly
#16
REVIEW
Coşkun Usta, Aslı Bedel
The increase in cardiovascular disease prevalence with ageing has been attributed to several age-related changes such as changes in the vascular wall elasticity, the coagulation and haemostatic system and endothelial dysfunction, among other causes. There is a 50% increased mortality risk per 10-year increase in age starting at 65 years old. Here, we aimed to discuss pharmacological treatment in acute coronary syndrome (ACS) without persistent ST segment elevation myocardial infarction in the elderly. The main aim of ACS treatment in elderly people is at preventing ischemia, myocardial damage and complications...
July 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28640782/perioperative-venous-thromboembolism-a-review
#17
REVIEW
Ronald J Gordon, Frederick W Lombard
Venous thromboembolism (VTE) is a significant problem in the perioperative period, increasing patient morbidity, mortality, and health care costs. It is also considered the most preventable of the major postoperative complications. Despite widespread adoption of prophylaxis guidelines, it appears that morbidity from the disease has not substantially changed within the past 2 decades. It is becoming clear that current prophylaxis efforts are not sufficient. Using more potent anticoagulants may decrease the incidence of VTE, but increase the risk for bleeding and infection...
August 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28580631/kawasaki-disease-medical-therapies
#18
REVIEW
Jane W Newburger
Medical therapies in patients with Kawasaki disease (KD) are administered to reduce the prevalence of coronary aneurysms, reduce systemic inflammation, and prevent coronary thrombosis. All patients with acute KD should be treated with intravenous immunoglobulin (IVIG) 2 g/kg, generally administered over 10-12 hours. Aspirin has never been shown to prevent aneurysms, but is given for its anti-inflammatory and antipyretic effects until the patient has been afebrile for ∼2 days, then lowered to an antiplatelet dose...
September 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28442532/anti-inflammatory-effects-of-simvastatin-during-the-resolution-phase-of-experimentally-formed-venous-thrombi
#19
Yaping Feng, Bo Lei, Fuxian Zhang, Luyuan Niu, Huan Zhang, Mingyi Zhang
Deep venous thrombosis (DVT) is a common vascular disease and is closely linked to inflammation. Over the past decade, the potential antithrombotic effect of statins has been elucidated by clinical studies, primarily through focusing on DVT prevention. The effects of statins on DVT resolution and its underlying mechanisms have been rarely addressed. We established a rabbit model of the inferior vena cava (IVC) venous thrombosis. After 48 hours, the rabbits were treated with saline, heparin, simvastatin, or simvastatin combined with heparin, respectively, for 14 days...
April 25, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28412908/news-in-the-indications-of-direct-oral-anticoagulants-according-to-the-american-college-of-chest-physicians-2016-guidelines
#20
Gabriela Cesarman-Maus, Guillermo J Ruiz-Argüelles
BACKGROUND: The 10th edition of the CHEST Guideline and Expert Panel Report for the treatment of venous thromboembolism (VTE) was recently updated with recommendations on both the choice of anticoagulants and the duration of treatment in diverse clinical scenarios. METHOD: In this paper, we focus on news in the use of direct oral anticoagulants (DOACS), a group of synthetic low molecular weight drugs capable of directly and specifically inhibiting either activated factor X or both free and fibrin- bound thrombin...
2017: Current Drug Metabolism
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