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Fibrinogen Concentrate

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https://www.readbyqxmd.com/read/29337700/increased-resistance-to-tissue-plasminogen-activator-induced-fibrinolysis-in-healthy-subjects-from-thailand
#1
Nathan J White, Nicholas Taflin, Esther B Lim, Osaree Akaraborworn
: There is significant variability in blood coagulation among world populations. In particular, there may exist important differences in regulation of the fibrinolytic system in Asian populations that contribute to diseases of thrombosis and hemostasis. To investigate this issue, we compared fibrinogen concentration, plasma clot formation, and fibrinolytic resistance of healthy Asian subjects from Hat Yai, Songkhla, Thailand (Thai) vs. healthy North American subjects from Seattle, Washington, USA (SEA). Citrated plasma samples were obtained from healthy adult volunteers...
January 13, 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/29336864/biochemical-characterization-stability-and-pathogen-safety-of-a-new-fibrinogen-concentrate-fibryga%C3%A2
#2
Petra M Schulz, Werner Gehringer, Sabine Nöhring, Sebastian Müller, Torben Schmidt, Stephanie Kekeiss-Schertler, Cristina Solomon, Katharina Pock, Jürgen Römisch
Fibryga® is a new lyophilized fibrinogen concentrate for intravenous use for the treatment of congenital fibrinogen deficiency. fibryga® is produced from pooled human plasma and the final product is characterized by high purity, integrity, and pathogen safety. Functional activity of fibrinogen was demonstrated by cross-linking studies and thromboelastometry; integrity of the fibrinogen molecule was demonstrated by size exclusion chromatography and the detection of only trace amounts of activation markers in the final product...
January 11, 2018: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/29326492/hemorheological-effects-of-amlodipine-in-spontaneously-hypertensive-rats
#3
Aleksandr Y Shamanaev, Oleg I Aliev, Anna M Anishchenko, Anastasia V Sidehmenova, Mark B Plotnikov
OBJECTIVES: The effect of course administration of amlodipine on whole blood viscosity and on macro- and microrheological parameters was evaluated. MATERIALS AND METHODS: SHRs were treated intragastrically with amlodipine at a dose of 10 mg/kg for 6 weeks. After finishing the course, hemodynamic and hemorheological parameters were measured. RESULTS: The antihypertensive treatment with amlodipine resulted in a significant decrease in mean blood pressure by 29% and left ventricular to body weight mass index by 7%...
July 2017: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/29321571/thrombin-fe3o4-nanoparticles-for-use-as-a-hemostatic-agent-in-internal-bleeding
#4
Emiliya M Shabanova, Andrey S Drozdov, Anna F Fakhardo, Ivan P Dudanov, Marina S Kovalchuk, Vladimir V Vinogradov
Bleeding remains one of the main causes of premature mortality at present, with internal bleeding being the most dangerous case. In this paper, magnetic hemostatic nanoparticles are shown for the first time to assist in minimally invasive treatment of internal bleeding, implying the introduction directly into the circulatory system followed by localization in the bleeding zone due to the application of an external magnetic field. Nanoparticles were produced by entrapping human thrombin (THR) into a sol-gel derived magnetite matrix followed by grinding to sizes below 200 nm and subsequent colloidization...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29309386/time-course-of-oxidative-stress-inflammation-and-muscle-damage-markers-for-five-days-after-a-soccer-match-effects-of-sex-and-playing-position
#5
Athanasios Souglis, Gregory C Bogdanis, Costas Chryssanthopoulos, Nikolaos Apostolidis, Nikos D Geladas
This study examined the influence of sex and playing position on the time-course of selected oxidative stress, inflammation and muscle damage markers following an official soccer match. Sixty professional soccer players (30 male and 30 female) were divided into three groups, according to their playing position: defenders, midfielders and attackers. Each group consisted of 10 male and 10 female players. Sixty healthy volunteers (30 males and 30 females) served as control. Blood samples were taken before and after the match and daily for five days after the match...
January 3, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29304526/thromboelastometry-and-platelet-function-during-acclimatization-to-high-altitude
#6
Alistair S Rocke, Gordon G Paterson, Matthew T Barber, Alexander I R Jackson, Shona Main, Calum Stannett, Martin F Schnopp, J Kenneth Baillie, Elizabeth H Horne, Carl Moores, Paul Harrison, Alastair F Nimmo, A A Roger Thompson
Interaction between hypoxia and coagulation is important given the increased risk of thrombotic diseases in chronically hypoxic patients who reside at sea level and in residents at high altitude. Hypoxia alters the proteome of platelets favouring a prothrombotic phenotype, but studies of activation and consumption of specific coagulation factors in hypoxic humans have yielded conflicting results. We tested blood from 63 healthy lowland volunteers acclimatizing to high altitude (5,200 m) using thromboelastometry and assays of platelet function to examine the effects of hypoxia on haemostasis...
January 2018: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29295657/comparing-coagulation-activity-of-selaginella-tamariscina-before-and-after-stir-frying-process-and-determining-the-possible-active-constituents-based-on-compositional-variation
#7
Qian Zhang, Ya-Li Wang, Die Gao, Liang Cai, Yi-Yao Yang, Yuan-Jia Hu, Feng-Qing Yang, Hua Chen, Zhi-Ning Xia
CONTEXT: Selaginella tamariscina (P. Beauv.) Spring (Selaginellaceae) (ST) has been widely used in China as a medicine for improving blood circulation. However, its processed product, S. tamariscina carbonisatus (STC), possesses opposite haemostatic activity. OBJECTIVE: To comprehensively evaluate the activity of ST and STC on physiological coagulation system of rats, and seek potential active substances accounting for the activity transformation of ST during processing...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29287151/effects-of-stacked-wedge-pads-and-chains-applied-to-the-forefeet-of-tennessee-walking-horses-for-a-five-day-period-on-behavioral-and-biochemical-indicators-of-pain-stress-and-inflammation
#8
James B Everett, Jim Schumacher, Thomas J Doherty, Randi A Black, Lisa L Amelse, Peter Krawzel, Johann F Coetzee, Brian K Whitlock
OBJECTIVE To determine the effects of stacked wedge pads and chains applied to the forefeet of Tennessee Walking Horses on behavioral and biochemical indicators of pain, stress, and inflamation. ANIMALS 20 Tennessee Walking Horses. PROCEDURES Horses were randomly assigned to 2 treatment groups: keg shoes (control; n = 10) or stacked wedge pads and exercise with chains (10). Ten days before treatment application, an accelerometer was attached at the left metatarsus of each horse to record daily activity. Horses were exercised for 20 minutes daily, beginning on day -7...
January 2018: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29274254/french-lyophilized-plasma-versus-fresh-frozen-plasma%C3%A2-for-the-initial-management-of-trauma-induced-coagulopathy-a-randomized-open-label-trial
#9
Delphine Garrigue, Anne Godier, Alexandre Glacet, Julien Labreuche, Eric Kipnis, Camille Paris, Alain Duhamel, Eric Resch, Anne Bauters, François Machuron, Pascale Renom, Patrick Goldstein, Benoit Tavernier, Anne Sailliol, Sophie Susen
BACKGROUND: Guidelines recommend to begin haemostatic resuscitation immediately in trauma patients. We aimed to investigate if French Lyophilised Plasma (FLyP) was more effective than Fresh Frozen Plasma (FFP) for the initial management of the trauma-induced-coagulopathy. METHODS: In an open-label, phase 3, randomized trial (NCT02750150), we enrolled adult trauma patients requiring an emergency pack of 4 plasma units within 6 hours of injury. We randomly assigned patients to receive 4-FLyP units or 4-FFP units...
December 23, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29273379/ak03-a-new-recombinant-fibrinogenase-prevents-abdominal-adhesions-in-a-rat-model-without-systemic-side-effects
#10
Roman Marius Eickhoff, Andreas Kroh, Klaus Rübsamen, Daniel Heise, Marcel Binnebösel, Uwe Klinge, Ulf Peter Neumann, Christian Daniel Klink
BACKGROUND: Abdominal adhesions are one of the most common complications after abdominal surgery, and fibrin is suspected to be a crucial component. The aim of the current study was an in vivo evaluation of a new recombinant fibrinogenase (AK03) in two animal models. METHODS: Sixty-four rats were randomly divided into four groups (sodium chloride [NaCl], icodextrin, AK03 low dose, and AK03 high dose) and evaluated at two time endpoints. Adhesion model comprised both a visceral defect (terminal ileum) and parietal defect...
February 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29258493/antiplatelet-mechanism-of-an-herbal-mixture-prepared-from-the-extracts-of-phyllostachys-pubescens-leaves-and-prunus-mume-fruits
#11
Eunjung Son, Seung-Hyung Kim, Won-Kyung Yang, Dong-Seon Kim, Jimin Cha
BACKGROUND: Bamboo (Phyllostachys pubescens) leaves and Japanese apricot (Mume fructus) fruit are traditionally recognized to be safe herbs broadly used for food and medicinal purposes in Southeast Asia. Our group previously explored their antiplatelet effects. This study was designed to confirm inhibition effects of PM21 (a 2:1 mixture of bamboo leaf extract and Japanese apricot fruit extract) on platelet aggregation and evaluate its potency to use as an herbal remedy to prevent and/or treat the diseases caused by platelet aggregation and thrombus formation...
December 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29246148/the-concentration-of-d-dimers-in-portal-blood-positively-correlates-with-overall-survival-in-patients-with-non-resectable-pancreatic-cancer
#12
Adam Durczynski, Aleksander Skulimowski, Piotr Hogendorf, Dariusz Szymanski, Anna Kumor, Konrad Marski, Siri Øvereng Juliebø, Grazyna Poznanska, Janusz Strzelczyk
BACKGROUND: Several recent studies provide evidence that D-dimer (DD) concentration in peripheral blood correlates negatively with overall survival (OS) in patients with pancreatic ductal adenocarcinoma (PDAC). Contrarily, there are recent evidence indicating that preoperative plasma fibrinogen, but not D-dimer might represent a prognostic factor in non-metastatic gastrointestinal cancers. METHODS: In a single-center prospective study, we enrolled 62 patients undergoing surgery for pathologically confirmed PDAC without detectable venous thrombosis...
December 16, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29238971/postauthorization-safety-study-of-clottafact%C3%A2-a-triply-secured-fibrinogen-concentrate-in-acquired-fibrinogen-deficiency-a-prospective-observational-study
#13
C Négrier, A-S Ducloy-Bouthors, V Piriou, E De Maistre, N Stieltjes, A Borel-Derlon, P Colson, J Picard, T Lambert, S Claeyssens, S Boileau, A Bertrand, M-H André, F Fourrier, Y Ozier, P Sié, Y Gruel, Z Tellier
BACKGROUND AND OBJECTIVES: A postauthorization safety study was performed between 2009 and 2012 to describe the use of Clottafact® in acquired fibrinogen deficiency in real-life medical practice in France. MATERIALS AND METHODS: One hundred and fifty patients were planned for 28 days of prospective follow-up after infusion. The analysis of this observational study was descriptive and performed according to the type of treatment (curative or preventive) and the origin of the bleed...
December 13, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/29237149/association-of-antibodies-to-citrullinated-protein-antigens-with-blood-pressure-in-first-degree-relatives-of-rheumatoid-arthritis-patients-the-studies-of-the-etiology-of-rheumatoid-arthritis
#14
Jan M Hughes-Austin, Ryan W Gan, Kevin D Deane, Michael H Weisman, M Kristen Demoruelle, Jeremy Sokolove, William H Robinson, V Michael Holers, Jill M Norris, Joachim H Ix
BACKGROUND: Hypertension is more common in patients with rheumatoid arthritis (RA) than in the general population. It is unknown whether hypertension is due to RA-related medications or the disease itself. Therefore, we sought to investigate associations between RA-related autoantibodies, specifically antibodies to citrullinated protein antigens (ACPA) and systolic blood pressure (SBP) and diastolic blood pressure (DBP) in first-degree relatives of RA patients, who were free of RA and RA-related medications...
December 13, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29228894/is-therapeutic-hypothermia-during-neonatal-extracorporeal-membrane-oxygenation-associated-with-intracranial-hemorrhage
#15
Katherine Cashen, Ron W Reeder, Christina Shanti, Heidi J Dalton, J Michael Dean, Kathleen L Meert
INTRODUCTION: The use of therapeutic hypothermia during neonatal extracorporeal membrane oxygenation (ECMO) as a neurologic protective strategy has gained interest among clinicians despite limited data. Our objective is to describe the relationship between the use of therapeutic hypothermia during neonatal ECMO and complications, mortality and functional status among survivors. METHODS: Secondary analysis of data collected by the Collaborative Pediatric Critical Care Research Network between December 2012 and September 2014...
December 1, 2017: Perfusion
https://www.readbyqxmd.com/read/29227167/diagnosis-of-platelet-function-disorders-a-standardized-rational-and-modular-flow-cytometric-approach
#16
Oliver Andres, Katja Henning, Gabriele Strauß, Annerose Pflug, Georgi Manukjan, Harald Schulze
A high proportion of patients with mucocutaneous bleeding diathesis and suspected inherited or acquired platelet disorder remain without diagnosis even after comprehensive laboratory testing. Since flow cytometry allows investigation of resting and activated platelets on the single cell level by requiring only minimal amounts of blood, this method has become an important assay within the diagnostic algorithm, especially in pediatrics. We therefore developed a standardized and modular flow cytometric approach that contributes to clarify impaired platelet function in a rational step-by-step manner...
December 11, 2017: Platelets
https://www.readbyqxmd.com/read/29226714/-analysis-of-d-dimer-laboratory-findings-and-clinical-evaluation
#17
János Jákó
D-dimer is a product of the enzymatic degradation of the fibrinogen-fibrin molecule, and its existence is demonstrable in circulation. The test based limits may be considered as normal values. It was first thought to be a product of coagulation, then a product of lysis. High-concentration D-dimer in blood detected in thromboembolic diseases is considered to be of diagnostic value. In cases where thromboembolism was ruled out despite elevated titres but heparin (LMWH) or CLOPIDOGREL was given as a cautionary measure, we found that D-dimer values remained elevated...
December 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29220876/pharmacokinetics-clot-strength-and-safety-of-a-new-fibrinogen-concentrate-randomized-comparison-with-active-control-in-congenital-fibrinogen-deficiency
#18
C Ross, S Rangarajan, M Karimi, G H Toogeh, S Apte, T Lissitchkov, S Acharya, M J Manco-Johnson, A Srivastava, B Brand, B Schwartz, S Knaub, F Peyvandi
BACKGROUND: Human fibrinogen concentrate (HFC) corrects fibrinogen deficiency in congenital a-/hypofibrinogenaemia. OBJECTIVES: To assess pharmacokinetics (PK), effects on thromboelastometry maximum clot firmness (MCF), and safety of a new double virus-inactivated/eliminated, highly purified HFC vs. active control. PATIENTS/METHODS: In this multinational, randomized, phase II, open-label, crossover study in 22 congenital afibrinogenaemia patients ≥12 years, 70 mg kg-1 of new HFC (FIBRYGA, Octapharma AG) or control (Haemocomplettan® P/RiaSTAP™ , CSL Behring GmbH) were administered, followed by crossover to the other concentrate...
December 8, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29214889/cell-seeded-adhesive-biomaterial-for-repair-of-annulus-fibrosus-defects-in-intervertebral-discs
#19
Michelle A Cruz, Warren W Hom, Distefano Tyler, Robert Merrill, Olivia M Torre, Huizi A Lin, Andrew Hecht, Svenja Illien-Junger, James C Iatridis
Defects in the annulus fibrosus (AF) of intervertebral discs allow nucleus pulposus tissue to herniate causing painful disability. Microdiscectomy procedures remove herniated tissue fragments but unrepaired defects remain allowing reherniation or progressive degeneration. Cell therapies show promise to enhance repair but methods are undeveloped and carriers are required to prevent cell leakage. To address this challenge, this study developed and evaluated genipin-crosslinked fibrin (FibGen) as an adhesive cell carrier optimized for AF repair that can deliver cells, match AF material properties and have low risk of extrusion during loading...
December 7, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29209208/the-clinical-pharmacokinetics-and-pharmacodynamics-of-warfarin-when-combined-with-compound-danshen-a-case-study-for-combined-treatment-of-coronary-heart-diseases-with-atrial-fibrillation
#20
Chunxiao Lv, Changxiao Liu, Zhuhua Yao, Xiumei Gao, Lanjun Sun, Jia Liu, Haibo Song, Ziqiang Li, Xi Du, Jinxia Sun, Yanfen Li, Kui Ye, Ruihua Wang, Yuhong Huang
Warfarin is used as anticoagulant and Compound Danshen prescription (CDP) is able to promote blood circulation. The combination might produce a synergic effect for patients of coronary heart diseases (CHDs) with atrial fibrillation (AF). Whether the combination increases the bleeding risk of warfarin is unclear, so the effects of Compound Danshen dripping pill (CDDP) on the pharmacokinetics (PK) and pharmacodynamics (PD) profiles of warfarin was investigated in patients. The dose and blood concentrations of warfarin, the four indicators of blood coagulation, prothrombin time, activated partial thromboplatin time, thrombin time, fibrinogen, and international normalized ratio value were compared when with and without CDDP treatment...
2017: Frontiers in Pharmacology
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