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Rahat A Abdoellakhan, Nakisa Khorsand, Reinier M Van Hest, Nic Veeger, Ewoud Ter Avest, Paula F Ypma, Laura M Faber, Karina Meijer
INTRODUCTION: There is currently little evidence for the optimal dosing strategy of four-factor prothrombin complex concentrates (PCC) in vitamin K antagonist (VKA)-related bleeds. The generally accepted dosing strategy is the use of a variable dose calculated using patient-specific characteristics as per manufacturer's instruction. However, evidence exists that the use of a fixed low dose of 1000 international units of factor IX (IU fIX) might also suffice. Recent studies indicate that in terms of haemostatic effectiveness, the fixed dosing strategy might be even superior to the variable dosing strategy...
March 14, 2018: BMJ Open
Hui Y Lim, Cheryl Ng, Joseph Rigano, Mark Tacey, Geoffrey Donnan, Harshal Nandurkar, Prahlad Ho
: Myeloproliferative neoplasms (MPN) are independent risks for thrombotic events. Routine laboratory tests are inadequate to evaluate the underlying procoagulant state. Global coagulation assays such as thromboelastography, thrombin and fibrin generation may provide better assessment of coagulation activation and thereby of thrombosis risk. Participants with MPN were recruited. Thromboelastography was performed on citrated whole blood while thrombin generation using calibrated automated thrombogram, fibrin generation using overall haemostatic potential assays and P-selectin were quantified on platelet-poor plasma...
March 13, 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
A Bar-Ilan, T Livnat, M Hoffmann, L Binder, M Zakar, R Guy, Y Felikman, L Moschcovich, B Shenkman, D Monroe, O Hershkovitz, G Kenet, G Hart
INTRODUCTION: Recombinant FVIIa (rFVIIa) is an effective treatment for haemophilia through frequent administration. However, the short half-life of rFVIIa decreases its prophylactic ability to reduce bleeding. Carboxy-terminal peptide (CTP)-modified FVIIa (MOD-5014) is a long-acting rFVIIa developed for on-demand treatment of haemophilia using either an intravenous or subcutaneous injection with the aim of less frequent administrations, as well as for prophylactic use. AIM: The comprehensive evaluation of the activity MOD-5014 vs commercially available rhFVIIa, as well as their interaction with cofactors and inhibitors...
March 14, 2018: Haemophilia: the Official Journal of the World Federation of Hemophilia
Hind Hamzeh-Cognasse, Philippe Berthelot, Bernard Tardy, Bruno Pozzetto, Thomas Bourlet, Sandrine Laradi, Olivier Garraud, Fabrice Cognasse
In addition to their haemostatic role and function in the repair of damaged vascular epithelium, platelets play a defensive role in innate immunity, having the capacity to produce and secrete various anti-infectious factors, as well as cytokines, chemokines and related products, to interact with other immune cells to modulate immune responses to pathogens. Thus, it is now widely acknowledged that platelets participate in inflammatory processes and infection resolution, most notably by expressing and using receptors to bind infectious pathogen moieties and contributing to pathogen clearance...
March 13, 2018: Platelets
Nihui Zhang, Ruijuan Yao, Jianglong Guo, Jing He, Guolong Meng, Fang Wu
Chitosan as a natural cationic polysaccharide has drawn wide interests as surface modification materials in orthopedic applications, with the potential to achieve combined osteogenic, antimicrobial and haemostatic functions. The cationicity of chitosan has been reported to play an important role in modifying the osteoblastic cell responses and the antibacterial activities, while its effect on the haemostatic properties has been rarely studied. To this aim, we prepared carboxymethyl chitosan hydrogels with different cationicity through crosslinking with different concentrations of genipin (1%, 2...
February 25, 2018: Colloids and Surfaces. B, Biointerfaces
S Støy, V C Patel, J P Sturgeon, G K Manakkat Vijay, T Lisman, W Bernal, D L Shawcross
BACKGROUND: Thrombocytopenia and circulating dysfunctional immune cells are commonly observed in patients with cirrhosis. Platelets may form complexes with neutrophils, monocytes and T cells modulating their function. We recently reported increased frequencies of platelet-complexed neutrophils in cirrhosis with evidence of neutrophil activation upon contact with healthy platelets in vitro. Whether this occurs in vivo following platelet transfusion and contributes to systemic inflammation and endothelial activation is unknown...
March 12, 2018: Alimentary Pharmacology & Therapeutics
M C Jiménez-González, D Santiago-Germán, E F Castillo-Henkel, J A Alvarado-Moreno, J Hernández-Juárez, A Leaños-Miranda, A Majluf-Cruz, I Isordia-Salas
INTRODUCTION: Numerous polymorphisms in candidate genes coding for haemostatic system proteins have been proposed as risk factors for thrombosis. METHODS: We performed a case-control study of consecutive ischaemic stroke survivors aged ≤ 45 years, treated at our neurology department from 2006 to 2014. Polymerase chain reaction-restriction fragment length polymorphism identified the following polymorphisms: Thr325Ile and Ala147Thr in TAFI, 4G/5G in PAI-1, PLA1/A2 in platelet glycoprotein IIb/IIIa, Glu298Asp in eNOS, and C677T in 5,10-MTHFR...
March 8, 2018: Neurología: Publicación Oficial de la Sociedad Española de Neurología
Randa A Abdallah, Sameh M Ragab, Maher Z Hassanin
OBJECTIVE: To investigate the safety and efficacy of two topical blood stopper modulators; Ankaferd blood stopper (ABS) and feracrylum 1% solution (FS) during adenoid surgery. STUDY DESIGN: Prospective randomized trial. METHODS: Two hundred and twenty five consecutive pediatric adenoid patients aged from 9 months to 2 years old were studied. Patients were randomly allocated into two haemostatic groups; (ABS, FS) and normal saline (control group)...
March 10, 2018: European Archives of Oto-rhino-laryngology
Renana Robinson, Jean Marc Weinstein, Carlos Cafri, Avital Avriel
Post-operative pulmonary complications in coronary artery bypass grafting (CABG) surgery are mostly reversible. We report a patient who developed pulmonary arterial hypertension (PAH) post-CABG and did not have pulmonary hypertension prior to surgery. PAH Group 1 was diagnosed after right and left heart catheterization. To the best of our knowledge, this is the only reported case of a patient developing PAH post-CABG surgery. This could be explained by immunological and/or haemostatic changes triggered by cardiopulmonary bypass...
March 10, 2018: ESC Heart Failure
Massimo Franchini, Carlo Mengoli, Mario Cruciani, Marco Marietta, Giuseppe Marano, Stefania Vaglio, Simonetta Pupella, Eva Veropalumbo, Francesca Masiello, Giancarlo M Liumbruno
BACKGROUND: Thrombelastography (TEG) and rotational thromboelastometry (ROTEM) are viscoelastic haemostatic assays (VHA) which exploit the elastic properties of clotting blood. The aim of this systematic review and meta-analysis was to evaluate the usefulness of these tests in bleeding patients outside the cardiac surgical setting. MATERIALS AND METHODS: We searched the Cochrane Library, MEDLINE, EMBASE and SCOPUS. We also searched clinical trial registries for ongoing and unpublished studies, and checked reference lists to identify additional studies...
February 26, 2018: Blood Transfusion, Trasfusione del Sangue
Raimondo De Cristofaro
No abstract text is available yet for this article.
March 5, 2018: Blood Transfusion, Trasfusione del Sangue
Carlos Edmundo Rodrigues Fontes, Marino Jose Mardegam, Orlando Ribeiro Prado-Filho, Marcos Victor Ferreira
BACKGROUND: Obtaining effective hemostasis either in the traumatic or surgical lesions of parenchymal viscera, especially the liver, has always been a challenge. AIM: Comparative study between the use of different hemostatic sponges in hepatic wound and their capacity of integration to cells in a short period. METHODS: Fifteen Wistar rats were divided into three groups. Through laparotomy a standardized wound in hepatic right lobe was made...
March 1, 2018: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
Kate Burbury, Michael P MacManus
Patients with cancer are at high risk of both thromboembolic and haemorrhagic events during the course of their disease. The pathogenesis of haemostatic dysfunction in cancer is complex and involves the interplay of multiple factors. There is growing evidence that interactions between malignancies and the coagulation system are not random but can represent coordinated and clinically-significant adaptations that enhance tumour cell survival, proliferation and metastatic potential. A detailed understanding of the interactions between the haemostatic systems and the pathophysiology of metastasis may not only provide insight into strategies that could potentially reduce the incidence of thrombohaemorrhagic events and complications, but could also help design strategies that are capable of modifying tumour biology, progression and metastatic potential in ways that could enhance anticancer therapies and thereby improve overall survival...
February 28, 2018: Clinical & Experimental Metastasis
Karanikolic Aleksandar, Djordjevic Miodagl, Djordjevic Nebojsa, Golubovic Ilija
Objective: To compare the efficacy of fibrin-based hemostat and cellulose-based hemostat with traditional procedures in patients undergoing thyroid surgery. Methods: Between January 2012 and December 2016, 255 patients were scheduled to undergo total thyroidectomy at Surgical Clinic Nis. The patients were randomized to: Group-I use of classic surgical procedures to achieve hemostasis, Group-II use Surgicel and Group-III use Beriplas. Results: A statistically significant reduction of surgical time was found for Group-I compared with Group-II and III (p≤0...
November 2017: Pakistan Journal of Medical Sciences Quarterly
Oscar Thabouillot, K Bertho, E Rozenberg, N-C Roche, G Boddaert, D Jost, J-P Tourtier
INTRODUCTION: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a technique to control haemorrhage by placing a retrograde catheter in an artery and inflating a balloon at its tip. This retrospective study aimed to evaluate the proportion of injured people who could potentially have benefited from this technique prior to hospitalisation, including on the scene or during transport. METHODS: A retrospective analysis was conducted of all patients with trauma registered in the Paris Fire Brigade emergency medical system between 1 January and 31 December 2014...
February 27, 2018: Journal of the Royal Army Medical Corps
Carlee D Ruediger, Bobby John, Sathesh Kumar, Han S Lim, Geetanjali Rangnekar, Kurt C Roberts-Thomson, Glenn D Young, David Chase, Prashanthan Sanders, Scott R Willoughby
BACKGROUND: It has been suggested that ethnicity can make a significant difference to the likelihood of thromboembolic stroke related to atrial fibrillation. Ethnic differences have been shown to alter inflammatory and haemostatic factors; however, this may all be confounded by differences in cardiovascular risk factors between different ethnicity. The impact of different ethnicities on the thrombogenic profile is not known. The aim of this study was to investigate differences in markers of inflammation, endothelial function and tissue remodelling between Caucasian and Indian populations with supraventricular tachycardia (SVT)...
January 2018: Indian Pacing and Electrophysiology Journal
Piotr Rhone, Barbara Ruszkowska-Ciastek, Kornel Bielawski, Alen Brkic, Elżbieta Zarychta, Barbara Góralczyk, Krzysztof Roszkowski, Danuta Rość
Introduction : Thrombosis is a one of the leading cause of mortality in cancer patients. The aim of the study was to evaluate the concentrations and activities of selected haemostatic parameters in the plasma of patients diagnosed with breast cancer and to make an attempt at finding associations with there levels and selected clinicopathological factors; clinical classification, histological grading, and molecular subtype of breast cancer. Methods: The study involved 145 Caucasian ethnicity women. Eighty-five women aged 45-66 with primary breast cancer without distant metastases (M0)...
February 23, 2018: Bioscience Reports
Margaret L McCarthy, Sarah M Ordway, Ryan M Jones, Jeremy G Perkins
Factor XI (FXI) deficiency is an autosomal disorder which manifests as bleeding of varying severity. While homozygotes typically experience more dramatic bleeding symptoms, heterozygotes may experience clinically significant bleeding following surgical procedures or trauma, and therefore the condition is not purely recessive. The clinical significance of FXI deficiency is complicated in that FXI levels do not correlate well with bleeding severity, and in fact the bleeding risk is variable even for an individual in response to different haemostatic challenges...
February 21, 2018: BMJ Case Reports
Jessica C Nevoa, Maria T Mendes, Marcos V da Silva, Siomar C Soares, Carlo J F Oliveira, José M C Ribeiro
Triatomines are hematophagous arthropod vectors of Trypanosoma cruzi, the causative agent of Chagas Disease. Panstrongylus lignarius, also known as Panstrongylus herreri, is considered one of the most versatile triatomines because it can parasitize different hosts, it is found in different habitats and countries, it has sylvatic, peridomestic and domestic behavior and it is a very important vector of Chagas disease, especially in Peru. Molecules produced and secreted by salivary glands and fat body are considered of important adaptational value for triatomines because, among other functions, they subvert the host haemostatic, inflammatory and immune systems and detoxify or protect them against environmental aggressors...
February 20, 2018: PLoS Neglected Tropical Diseases
Manuel Carcao, Carmen Altisent, Giancarlo Castaman, Katsuyuki Fukutake, Bryce A Kerlin, Craig Kessler, Riitta Lassila, Diane Nugent, Johannes Oldenburg, May-Lill Garly, Anders Rosholm, Aida Inbal
Recombinant factor XIII-A 2 (rFXIII-A 2 ) was developed for prophylaxis and treatment of bleeds in patients with congenital FXIII A-subunit deficiency. mentor™2 (NCT00978380), a multinational, open-label, single-arm, multiple-dosing extension to the pivotal mentor™1 trial, assessed long-term safety and efficacy of rFXIII-A 2 prophylaxis in eligible patients (patients with severe [<0.05 IU/mL] congenital FXIII subunit A deficiency) aged ≥6 years. Patients received 35 IU/kg rFXIII-A 2 (exact dosing) every 28 ± 2 days for ≥52 weeks...
February 15, 2018: Thrombosis and Haemostasis
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