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Antithrombotics

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https://www.readbyqxmd.com/read/28445573/the-management-of-antiplatelet-and-antithrombotic-regimens-in-patients-with-mechanical-valves-undergoing-percutaneous-coronary-intervention-a-forgotten-cohort
#1
Cian P McCarthy, Subodh Verma, Deepak L Bhatt
No abstract text is available yet for this article.
April 26, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28442532/anti-inflammatory-effects-of-simvastatin-during-the-resolution-phase-of-experimentally-formed-venous-thrombi
#2
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/28439927/antithrombotic-therapy-and-platelet-transfusions-in-hematologic-malignancy-patients-presenting-chemotherapy-induced-thrombocytopenia-a-french-survey
#3
Emilie Chalayer, Doriane Cavalieri, Jean Alain Martignoles, Alexis Genthon, Emmanuelle Tavernier, Bernard Tardy
BACKGROUND: Patients with hematologic malignancies are at high risk for both thrombosis and bleeding. During the prolonged periods of thrombocytopenia experienced by patients who are receiving intensive chemotherapy, clinicians often hesitate to prescribe any protection against thrombosis. In case of anticoagulant prescription, it is the prescribers' responsibility to weigh risks and benefits for each patient. Current guidelines exist but do not take into account types of thrombosis, patients' comorbidities, or previous bleeding events...
April 25, 2017: Transfusion
https://www.readbyqxmd.com/read/28439617/-stroke-prophylaxis-in-atrial-fibrillation-when-how-and-for-whom
#4
T Maurer, C Sohns
In patients suffering from atrial fibrillation (AF), modern antithrombotic therapy and anticoagulation strategies should be individualized based on shared decision making including patient preferences and the absolute and relative risks of stroke and bleeding. Estimation of the individual risk for stroke is still based on the CHA2DS2-VASc score. Based on the most recent guidelines for the management of AF, oral anticoagulation therapy should be considered for men with a CHA2DS2-VASc score ≥1 and women with a score ≥2, balancing the expected stroke reduction, risk of bleeding and patient preference...
April 24, 2017: Herz
https://www.readbyqxmd.com/read/28439613/the-role-of-delayed-head-ct-in-evaluation-of-elderly-blunt-head-trauma-victims-taking-antithrombotic-therapy
#5
D Scantling, C Fischer, R Gruner, A Teichman, B McCracken, J Eakins
INTRODUCTION: Increasing active longevity has created an increasing surge of elderly trauma patients. The majority of these patients suffer blunt trauma and many are taking antithrombotic agents. The literature is mixed regarding the utility of routine repeat head CT in patients taking antithrombotic medications with a GCS of 15 and initial negative head CT. We hypothesized that scheduled delayed CT head 12 h after admission (D-CTH) in elderly blunt trauma victims would not identify clinically significant new hemorrhages or change management...
April 24, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28439422/anti-aging-effect-and-gene-expression-profiling-of-dung-beetle-glycosaminoglycan-in-aged-rats
#6
Mi Young Ahn, Ban Ji Kim, Ha Jeong Kim, Jae Sam Hwang, Yi-Sook Jung, Kun-Koo Park
BACKGROUND: This study aimed to evaluate the anti-aging effect of a newly prepared insect-derived compound, dung beetle glycosaminoglycan (GAG), given intraperitoneally to old SD rats as part of their diet for 1 month. Insect GAG administration was found to be related to a reduction in oxidative damage, hepato-cellular biomarker levels, protein carbonyl content, and malondialdehyde concentration. The anti-aging-related molecular genetic mechanisms of dung beetle GAG are not yet fully elucidated...
2017: Biomaterials Research
https://www.readbyqxmd.com/read/28435447/a-unique-recombinant-fluoroprobe-targeting-activated-platelets-allows-in-vivo-detection-of-arterial-thrombosis-and-pulmonary-embolism-using-a-novel-three-dimensional-fluorescence-emission-computed-tomography-flect-technology
#7
Bock Lim, Yu Yao, Alex Lin-I Huang, May Lin Yap, Ulrike Flierl, Jathushan Palasubramaniam, Maria T K Zaldivia, Xiaowei Wang, Karlheinz Peter
Progress in pharmaceutical development is highly-dependent on preclinical in vivo animal studies. Small animal imaging is invaluable for the identification of new disease markers and the evaluation of drug efficacy. Here, we report for the first time the use of a three-dimensional fluorescence bioimager called FLuorescence Emission Computed Tomography (FLECT) for the detection of a novel recombinant fluoroprobe that is safe, easily prepared on a large scale and stably stored prior to scan. This novel fluoroprobe (Targ-Cy7) comprises a single-chain antibody-fragment (scFvTarg), which binds exclusively to activated-platelets, conjugated to a near-infrared (NIR) dye, Cy7, for detection...
2017: Theranostics
https://www.readbyqxmd.com/read/28435120/the-role-of-platelets-in-hemostasis-and-the-effects-of-snake-venom-toxins-on-platelet-function
#8
REVIEW
Mayara Ribeiro de Queiroz, Bruna Barbosa de Sousa, Déborah Fernanda da Cunha Pereira, Carla Cristine Neves Mamede, Mariana Santos Matias, Nadia Cristina Gomes de Morais, Júnia de Oliveira Costa, Fábio de Oliveira
The human body has a set of physiological processes, known as hemostasis, which keeps the blood fluid and free of clots in normal vessels; in the case of vascular injury, this process induces the local formation of a hemostatic plug, preventing hemorrhage. The hemostatic system in humans presents complex physiological interactions that involve platelets, plasma proteins, endothelial and subendothelial structures. Disequilibrium in the regulatory mechanisms that control the growth and the size of the thrombus is one of the factors that favors the development of diseases related to vascular disorders such as myocardial infarction and stroke, which are among the leading causes of death in the western world...
April 20, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28433556/bolus-injections-of-novel-thrombogenic-site-targeted-fusion-proteins-comprising-annexin-v-and-kunitz-protease-inhibitors-attenuate-intimal-hyperplasia-after-balloon-angioplasty
#9
Yung-Hsin Yeh, Shang-Hung Chang, Shin-Yu Chen, Chih-Jen Wen, Fu-Chan Wei, Rui Tang, Sam Achilefu, Tze-Chein Wun, Wei-Jan Chen
BACKGROUND: Systemic administrations of conventional antithrombotics reduce neointima formation after angioplasty in experimental animals. However, clinical translation of these results has not been successful due to high risk for bleeding. OBJECTIVES: We sought to determine whether novel annexin-V (ANV)-Kunitz protease inhibitor fusion proteins, TAP-ANV and ANV-6L15, can specifically target to vascular injury site and limit neointima formation without inducing systemic hypo-coagulation in a rat carotid artery balloon angioplasty injury model...
April 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28432715/complications-of-pregnancy-and-labor-in-women-with-klippel-trenaunay-syndrome-a-nationwide-cross-sectional-study
#10
S E R Horbach, M M Lokhorst, C E U Oduber, S Middeldorp, J A M van der Post, C M A M van der Horst
OBJECTIVE: To evaluate complications of pregnancy, including thromboembolism, in women with extensive vascular malformations associated with Klippel-Trenaunay Syndrome (KTS). DESIGN: Nationwide cross-sectional study. SETTING: Two tertiary expert centers and the Dutch Klippel-Trenaunay patient organization. SAMPLE: Adult women with KTS. METHODS: Patients with KTS were invited to participate in a comprehensive online survey about their obstetric history...
April 22, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28427968/the-global-burden-of-atrial-fibrillation-and-stroke-a-systematic-review-of-the-clinical-epidemiology-of-atrial-fibrillation-in-asia
#11
Ying Bai, Yan-Liang Wang, Alena Shantsila, Gregory Y H Lip
BACKGROUND: Our previous review showed great variability on the incidence and prevalence of atrial fibrillation (AF) in non-Western cohorts, especially from Asian countries; in recent years, epidemiology studies on AF have been increasingly reported. METHODS: We therefore conducted an updated systematic review, to present the current knowledge base of AF epidemiology in Asian countries since our prior review. We also explored AF incidence and the risk of stroke in AF using meta-analysis, with I(2) testing the heterogeneity...
April 17, 2017: Chest
https://www.readbyqxmd.com/read/28427779/fish-oil-lc-pufas-do-not-affect-blood-coagulation-parameters-and-bleeding-manifestations-analysis-of-8-clinical-studies-with-selected-patient-groups-on-omega-3-enriched-medical-nutrition
#12
Stephanie Jeansen, Renger F Witkamp, Jossie A Garthoff, Ardy van Helvoort, Philip C Calder
BACKGROUND & AIMS: The increased consumption of fish oil enriched-products exposes a wide diversity of people, including elderly and those with impaired health to relatively high amounts of n-3 long-chain polyunsaturated fatty acids (n-3 LC-PUFAs). There is an ongoing debate around the possible adverse effects of n-3 LC-PUFAs on bleeding risk, particularly relevant in people with a medical history of cardiovascular events or using antithrombotic drugs. METHODS: This analysis of 8 clinical intervention studies conducted with enteral medical nutrition products containing fish oil as a source of n-3 LC-PUFAs addresses the occurrence of bleeding-related adverse events and effects on key coagulation parameters (Prothrombin Time [PT], (activated) and Partial Thromboplastin Time [(a)PTT])...
March 29, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28420281/long-term-follow-up-of-antithrombotic-management-patterns-in-patients-with-acute-coronary-syndrome-in-russia-an-observational-study-epicor-rus-study
#13
Mikhail Ya Ruda, Oleg V Averkov, Yunona V Khomitskaya
OBJECTIVE: This study sought to describe the short- and long-term (up to 2 years) antithrombotic management patterns in a real-life setting for patients hospitalized for an acute coronary syndrome (ACS) event, and to document clinical outcomes. RESEARCH DESIGN AND METHODS: EPICOR-RUS was a multicenter (34 centers), prospective, observational, longitudinal cohort study conducted across Russia on antithrombotic management in hospitalized (within 24 hours of symptom onset) ACS patients with 2 year follow-up...
April 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28417608/comparison-of-antithrombotic-agents-during-urgent-percutaneous-coronary-intervention-following-thrombolytic-therapy-a-retrospective-cohort-study
#14
Jaya R Mallidi, Peter Robinson, Paul F Visintainer, Amir S Lotfi, Scott Mulvey, Gregory R Giugliano
BACKGROUND: The optimal antithrombotic regimen for urgent percutaneous coronary interventions (PCI) following thrombolytic therapy for ST segment myocardial infarction (STEMI) is currently unknown. METHODS: We performed a retrospective analysis of all patients referred to our institution from January 2005 to July 2014 who underwent urgent PCI within 24 hr after receiving thrombolytic therapy. The patients were divided into three cohorts based on the anticoagulation strategy during PCI-bivalirudin, heparin alone or heparin plus Glycoprotein IIb/IIIa inhibitor (GPI)...
April 18, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28416974/major-determinants-for-the-selecting-antithrombotic-therapies-in-patients-with-nonvalvular-atrial-fibrillation-in-japan-japaf-study
#15
Koichi Kusakawa, Kouji H Harada, Tatsuo Kagimura, Akio Koizumi
BACKGROUND: Oral anticoagulants (OACs) can help prevent stroke in patients with nonvalvular atrial fibrillation (NVAF). The aim of this study was to characterize the use of OACs other than direct thrombin inhibitors (DTIs) for NVAF. METHODS: Patients with NVAF taking antithrombotics other than DTIs were enrolled in this cross-sectional study. Patient demographics and medication history were collected, and the patients were classified as taking antiplatelet monotherapy (AP), anticoagulant monotherapy (AC), or combination therapy (AP+AC)...
April 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28414123/anti-factor-xa-activities-of-zingerone-with-anti-platelet-aggregation-activity
#16
Wonhwa Lee, Sae-Kwang Ku, Mi-Ae Kim, Jong-Sup Bae
Zingerone (ZGR), a phenolic alkanone found in Zingiber officinale, has been reported to have various pharmacological activities such as anti-inflammatory, anti-apoptotic, and protecting myocardial infarction and irritable bowel disorder. The aim was to identify the unreported bioactive anti-factor Xa (FXa) and anti-platelet activities of ZGR. ZGR was evaluated for their anti-FXa and anti-platelet aggregation properties by monitoring clotting time, platelet aggregation, FXa activity and production, and thrombus formation...
April 13, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28413976/laboratory-monitoring-or-measurement-of-direct-oral-anticoagulants-doacs-advantages-limitations-and-future-challenges
#17
Emmanuel J Favaloro, Leonardo Pasalic, Jennifer Curnow, Giuseppe Lippi
BACKGROUND: The Direct Oral Anticoagulants (DOACs) represent a new generation of antithrombotic agents, providing direct inhibition of either thrombin (factor IIa; FIIa) or activated factor X (FXa). Around the globe, their use is progressively rising, as these new agents replace the historical anticoagulants (heparin and vitamin K antagonists including warfarin) for various clinical conditions in medical practice. Other acronyms used to designate DOACs include TSOAC (target specific oral anticoagulants) and NOAC (novel; or non-vitamin K antagonist oral anticoagulants)...
April 17, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28413184/risk-of-ischemic-stroke-in-patients-with-non-valvular-atrial-fibrillation-not-receiving-oral-anticoagulants%C3%A3-korean-nationwide-population-based-study
#18
Si-Hyuck Kang, Eue-Keun Choi, Kyung-Do Han, So-Ryoung Lee, Woo-Hyun Lim, Myung-Jin Cha, Youngjin Cho, Il-Young Oh, Seil Oh
BACKGROUND: Atrial fibrillation, the most common cardiac arrhythmia, is associated with an elevated thromboembolic risk, including ischemic stroke. Guidelines recommend the stratification of individual stroke risk and tailored antithrombotic therapy. This study investigated the demographics, comorbidities, and prognosis of non-valvular AF (NVAF) in Korean patients.Methods and Results:We extracted data on 10,846 patients with newly diagnosed NVAF who were naïve to oral anticoagulants from the National Health Insurance Service-National Sample Cohort...
April 12, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28412908/news-in-the-indications-of-non-vitamin-k-oral-anticoagulants-according-to-the-guidelines-of-the-american-college-of-chest-physicians-2016
#19
Gabriela Cesarman Maus, Guillermo Jose Ruiz Argüelles
Antithrombotic guidelines published by the Chest Journal, the official publication of the American College of Chest Physicians (ACCP), are continuously updated as clinically relevant information accumulates. The Evidence-Based Clinical Practice Guidelines on antithrombotic therapy and prevention of thrombosis were published in 2012. This year, the topic that has been updated pertains to antithrombotic therapy, specifically addressing prophylaxis and treatment of venous thromboembolic (VTE) disease. In this paper, I focus on these guidelines regarding the indications or lack thereof for the use of Non-vitamin K-antagonist Oral Anticoagulants (NOACS), also referred to as Direct-acting Oral Anticoagulants (DOACS)...
April 13, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28411700/association-between-antithrombotic-therapy-and-risk-of-postoperative-complications-among-patients-undergoing-endovenous-laser-ablation
#20
Kodai Takahashi, Hideto Ito, Toshio Katsube, Masatoshi Hashimoto, Kazuhito Mita, Hideki Asakawa, Takashi Hayashi, Keiichi Fujino
BACKGROUND: The aim of the study was to evaluate the clinical results and postoperative complications, especially recanalization or bleeding complications, in patients with saphenous varicose veins undergoing endovenous laser ablation (EVLA) while receiving antithrombotic therapy (ATT). METHODS: This retrospective cohort study included 1136 Japanese patients undergoing EVLA with a 980-nm diode laser between January 2012 and November 2015 at our institution. The patients were divided into two groups: ATT users (ATT group) and nonusers (control group)...
May 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
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