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ROTEM fibrinogen

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https://www.readbyqxmd.com/read/29386022/thromboelastometric-assessment-of-hemostasis-following-hydroxyethyl-starch-130-0-4-administration-as-a-constant-rate-infusion-in-hypoalbuminemic-dogs
#1
Angelica Botto, Barbara Bruno, Cristiana Maurella, Fulvio Riondato, Alberto Tarducci, Giulio Mengozzi, Antonio Borrelli
BACKGROUND: The primary aim was to evaluate by means of thromboelastometry (ROTEM) the effects of hydroxyethyl starch (HES) 130/0.4 administered as a constant rate infusion (CRI) on hemostasis in hypoalbuminemic dogs. The second aim was to use ROTEM analysis to detect whether all hypoalbuminemic dogs of our population were hypercoagulable. RESULTS: The study sample was 20 hypoalbuminemic dogs (albumin < 2 g/dl) with normal perfusion parameters and requiring intravenous fluid therapy...
January 31, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29337700/increased-resistance-to-tissue-plasminogen-activator-induced-fibrinolysis-in-healthy-subjects-from-thailand
#2
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/29306729/adding-to-the-complexity-of-fetal-and-neonatal-alloimmune-thrombocytopenia-reduced-fibrinogen-binding-in-the-presence-of-anti-hpa-1a-antibody-and-hypo-responsive-neonatal-platelets
#3
E Refsum, S Meinke, G Gryfelt, A Wikman, P Höglund
BACKGROUND: In fetal and neonatal alloimmune thrombocytopenia (FNAIT), maternal alloantibodies directed against paternally-derived platelet antigens are transported across the placenta to the fetus, where they may cause thrombocytopenia. The most serious complication of FNAIT is an intracranial hemorrhage (ICH), which may cause death or life-long disability of the child. Apart from alloantibody-mediated platelet destruction, the clinical outcome in FNAIT may be affected by properties of neonatal platelets and possible functional effects on platelets caused by maternal alloantibodies...
December 29, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/29299962/thromboelastometry-in-trauma-care-a-place-in-the-2018-belgian-health-care-system
#4
Martin Lucien Tonglet, Jean-Louis Poplavsky, Laurence Seidel, Jean Marc Minon, Vincenzo D'Orio, Alexandre Ghuysen
Introduction Evidence supporting the use of Thromboelastography (TEG®) and rotational thromboelastometric (ROTEM®) in the trauma setting remains limited. We present the results of a practical evaluation of the potential interest of ROTEM® in the diagnosis of acute coagulopathy and the need for emergent blood product transfusion in the general trauma population of a non-trauma Belgian emergency department. Methods Extracting a convenience cohort from the initial prospective TICCS study, we performed a retrospective analysis to test the following hypothesis: ROTEM® might be helpful to discriminate trauma patients with or without acute coagulopathy...
January 4, 2018: Acta Clinica Belgica
https://www.readbyqxmd.com/read/29239953/the-impact-of-prehospital-tranexamic-acid-on-blood-coagulation-in-trauma-patients
#5
Philipp Stein, Jan-Dirk Studt, Roland Albrecht, Stefan Müller, Dieter von Ow, Simon Fischer, Burkhardt Seifert, Sergio Mariotti, Donat R Spahn, Oliver M Theusinger
BACKGROUND: There is limited data on prehospital administration of tranexamic acid (TXA) in civilian trauma. The aim of this study was to evaluate changes in coagulation after severe trauma from on-scene to the hospital after TXA application in comparison to a previous study without TXA. METHODS: The study protocol was registered at ClinicalTrials.gov (NCT02354885). A prospective, multicenter, observational study investigating coagulation status in 70 trauma patients receiving TXA (1 g intravenously) on-scene versus a control group of 38 patients previously published without TXA...
February 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29157015/influence-of-selected-antithrombotic-treatment-on-thromboelastometric-results
#6
Mia Hammer Holck, Thomas Decker Christensen, Anne-Mette Hvas
Rotatory thromboelastometry (ROTEM(®)) is used for diagnosing and monitoring bleeding patients. Some of these patients receive antithrombotic treatment, thus having an increased risk of bleeding. Only sparse knowledge exists about whether the ROTEM(®) analysis is influenced by antithrombotic treatment. The objective of the present study was to examine if the ROTEM(®) results are affected in patients receiving antithrombotic treatment. This prospective observational study included patients receiving either vitamin K-antagonists (VKA), aspirin (ASA) or ASA combined with an adenosine diphosphate (ADP) receptor antagonist (ASA + ADP)...
November 20, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29151081/association-between-standard-laboratory-and-functional-tests-of-coagulation-in-dilutional-coagulopathy-an-in-vitro-study
#7
L J Krzych, P F Czempik
Standard laboratory tests (SLTs) of coagulation are in common use in clinical practice. We aimed to determine the association between SLTs and functional tests of coagulation in blood samples diluted with balanced crystalloid and colloid solutions in an ex vivo setting. The study group comprised 32 healthy young male volunteers. Whole blood samples were diluted at a 4:1 ratio with balanced crystalloid (Plasmalyte®) and two balanced colloids, 6% hydroxyethyl starch 130/0.4 (Volulyte®) and succinylated gelatin (Geloplasma®)...
August 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29140832/platelet-function-changes-in-a-time-dependent-manner-following-traumatic-brain-injury-in-a-murine-model
#8
Grace E Martin, Brent Xia, Young Kim, Mark D Johnson, Rosalie Veile, Lou Ann Friend, Amy T Makley, Charles C Caldwell, Michael D Goodman
Traumatic brain injury (TBI) results in systemic changes in coagulation and inflammation that contribute to post-traumatic morbidity and mortality. The potential interaction of platelets and pro-inflammatory cytokines in the modulation of coagulation, microthrombosis, and venous thromboembolic events after moderate TBI (TBI) has not been determined. Using a murine model, we hypothesized 1) that the degree of platelet-induced coagulation varies depending on the platelet aggregation agonist 2) platelet-induced coagulation changes in a time-dependent manner following TBI, and 3) changes in platelet-induced coagulation are mirrored by changes in the levels of circulating pro-inflammatory cytokines...
November 14, 2017: Shock
https://www.readbyqxmd.com/read/29112094/thrombelastography-early-amplitudes-in-bleeding-and-coagulopathic-trauma-patients-results-from-a-multicenter-study
#9
Thomas H Laursen, Martin A S Meyer, Anna Sina P Meyer, Tina Gaarder, Paal A Naess, Jakob Stensballe, Sisse R Ostrowski, Pär I Johansson
BACKGROUND: Early amplitudes in the viscoelastic hemostatic assays Thrombelastography (TEG) and Rotation Thromboelastometry (ROTEM) provide fast results, which is critical in resuscitation of bleeding patients. This study investigated associations between TEG early amplitudes and standard TEG variables in a large multicenter cohort of moderately to severely injured trauma patients admitted at three North European level 1 Trauma Centers. METHODS: Prospective observational study of 404 trauma patients with clinical suspicion of severe injury from London, UK, Copenhagen, Denmark and Oslo, Norway...
November 3, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29075072/evaluation-of-coagulation-profile-in-children-with-type-1-diabetes-mellitus-using-rotational-thromboelastometry
#10
Cigdem Binay, Ayse Bozkurt Turhan, Enver Simsek, Ozcan Bor, Olga Meltem Akay
The prothrombotic state in type 1 diabetes mellitus (T1DM) has been reported as a plausible cause of vascular complications. Rotational thromboelastometry (ROTEM) assay enables the global assessment of coagulation status. This study aimed to assess hypercoagulability in children with T1DM using ROTEM. A total of 43 T1DM children (20 females and 23 males) aged 2-18 years and age- and sex-matched 30 healthy control subjects were enrolled in the study group. ROTEM assays [intrinsic TEM (INTEM) and extrinsic TEM (EXTEM)] were used to measure and analyze coagulation time (CT), clot formation time, maximum clot firmness (MCF)...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29065860/assessment-of-haemostasis-in-patients-undergoing-emergent-neurosurgery-by-rotational-elastometry-and-standard-coagulation-tests-a-prospective-observational-study
#11
Christoph Ellenberger, Najia Garofano, Gleicy Barcelos, John Diaper, Gordana Pavlovic, Marc Licker
BACKGROUND: Rotational elastometry (ROTEM) has been shown useful to monitor coagulation in trauma patients and in major elective surgery. In this study, we aimed to evaluate the utility of ROTEM to identify hemostatic disturbances and to predict the need for transfusion, compared with standard coagulation tests (SCTs) in patients undergoing emergent neurosurgery. METHODS: Over a four-year period, adult patients who met criteria for emergent neurosurgery lasting more than 90 min were included in the study...
October 24, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/29055918/rotational-thromboelastometry-or-conventional-coagulation-tests-in-liver-transplantation-comparing-blood-loss-transfusions-and-cost
#12
Laura Smart, Khalid Mumtaz, Danielle Scharpf, Nicole O'Bleness Gray, Daniel Traetow, Sylvester Black, Anthony J Michaels, Elmahdi Elkhammas, Robert Kirkpatrick, A James Hanje
INTRODUCTION: Orthotopic liver transplantation (OLT) can be associated with significant bleeding requiring multiple blood product transfusions. Rotational thromboelastometry (ROTEM) is a point-of-care device that has been used to monitor coagulation during OLT. Whether it reduces blood loss/transfusions during OLT remains controversial. MATERIALS AND METHODS: We aim to compare ROTEM with conventional coagulation tests (aPTT, PT, INR, platelet count, fibrinogen) to guide transfusion of platelets, cryoprecipitate, and fresh frozen plasma (FFP) during OLT over 3 years...
October 16, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28911285/in-vitro-evaluation-of-the-effect-of-haemodilution-with-dextran-40-on-coagulation-profile-as-measured-by-thromboelastometry-and-multiple-electrode-aggregometry
#13
Pca Kam, Jpc Liou, Kxf Yang
We evaluated the effects of haemodilution with either dextran 40 or 0.9% normal saline on coagulation in vitro using rotational thromboelastometry (ROTEM®, Pentapharm Co., Munich, Germany) and multiple electrode aggregometry (Multiplate® Platelet Function Analyser, Dynabyte, Munich, Germany). Venous blood samples obtained from 20 healthy volunteers were diluted in vitro with dextran 40 or normal saline by 5%, 10% and 15%. Fibrinogen concentration, ROTEM-EXTEM® (screening test for the extrinsic coagulation pathway), FIBTEM® (an EXTEM-based assay of the fibrin component of clot) parameters including coagulation time, clot formation time, alpha angle, maximum clot firmness and lysis index were measured in the undiluted sample and at each level of haemodilution...
September 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28651441/the-effect-of-ex-vivo-factor-xiii-supplementation-on-clot-formation-in-blood-samples-from-cardiac-and-scoliosis-surgery-patients
#14
Caroline Shams Hakimi, Malin S Carling, Emma C Hansson, Helena Brisby, Camilla Hesse, Vladimir Radulovic, Anders Jeppsson
Excessive perioperative bleeding remains a substantial problem. Factor XIII (FXIII) contributes to clot stability, and it has therefore been suggested that supplementation with FXIII concentrate may improve perioperative hemostasis. We evaluated the effects of increasing doses of FXIII, alone or in combination with fibrinogen or platelet concentrate, in blood samples from 2 considerably different groups of surgical patients: cardiac and scoliosis surgery patients. Whole-blood samples were collected immediately after operation from cardiac and scoliosis surgery patients...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28632435/relative-effects-of-plasma-fibrinogen-concentrate-and-factor-xiii-on-rotem-coagulation-profiles-in-an-in-vitro-model-of-massive-transfusion-in-trauma
#15
David E Schmidt, Märit Halmin, Agneta Wikman, Anders Östlund, Anna Ågren
Massive traumatic haemorrhage is aggravated through the development of trauma-induced coagulopathy, which is managed by plasma transfusion and/or fibrinogen concentrate administration. It is yet unclear whether these treatments are equally potent in ensuring adequate haemostasis, and whether additional factor XIII (FXIII) administration provides further benefits. In this study, we compared ROTEM whole blood coagulation profiles after experimental massive transfusion with different transfusion regimens in an in vitro model of dilution- and transfusion-related coagulopathy...
October 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28549445/fibrinogen-early-in-severe-trauma-study-feisty-study-protocol-for-a-randomised-controlled-trial
#16
James Winearls, Martin Wullschleger, Elizabeth Wake, Catherine Hurn, Jeremy Furyk, Glenn Ryan, Melita Trout, James Walsham, Anthony Holley, Jeremy Cohen, Megan Shuttleworth, Wayne Dyer, Gerben Keijzers, John F Fraser, Jeffrey Presneill, Don Campbell
BACKGROUND: Haemorrhage is a leading cause of death in severe trauma. Fibrinogen plays a critical role in maintaining haemostasis in traumatic haemorrhage. Early fibrinogen replacement is recommended by several international trauma guidelines using either fibrinogen concentrate (FC) or cryoprecipitate (Cryo). There is limited evidence to support one product over the other with widespread geographic and institutional variation in practice. This pilot trial is the first randomised controlled trial comparing FC to Cryo in traumatic haemorrhage...
May 26, 2017: Trials
https://www.readbyqxmd.com/read/28525329/thromboelastographic-profile-of-goat-blood-after-the-experimental-injury-of-the-femoral-artery-and-use-of-quikclot-gauze-and-celox-gauze-dressings
#17
RANDOMIZED CONTROLLED TRIAL
P Sobiech, Z Adamiak, P Holak, P Jastrzębski, J Rogowski, M Brzeziński, K Bury, M Jałyński, W Baumgartner
The aim of this study was to evaluate the suitability of thromboelastometry for the analysis of blood test results in goats after the use of hemostatic dressings to control massive bleeding. The study was carried out on 12 goats, 6 animals in each of two subgroups. In all experimental animals incision of the femoral artery was performed, and bleeding was controlled with QuikClot gauze in the first group and Celox gauze in the second group. Dressings were applied for 60 minutes. Blood samples for thromboelastometry were collected from the jugular vein before the incision and 60 min after the application of a dressing...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28503124/factor-xiii-deficiency-and-thrombocytopenia-are-frequent-modulators-of-postoperative-clot-firmness-in-a-surgical-intensive-care-unit
#18
Sarah von Rappard, Corina Hinnen, Roger Lussmann, Manuela Rechsteiner, Wolfgang Korte
OBJECTIVE: Fibrinogen and factor XIII (FXIII) have been shown to critically influence clot firmness in the intraoperative setting and thus likely influence intraoperative bleeding. We were interested to identify potential modulators of postoperative clot firmness in a tertiary care hospital surgical intensive care unit setting, independent of their clinical course during surgery. METHODS: 272 day-shift consecutive patients were evaluated for whole blood clot firmness evaluated by the ROTEM® EXTEM thrombelastometric assay and various potential modulators of clot firmness upon arrival at the surgical intensive care unit (SICU)...
April 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28503123/thromboelastometry-and-thrombelastography-analysis-under-normal-physiological-conditions-systematic-review
#19
Marcel Adler, Sandra Ivic, Nicolas S Bodmer, Hugo Ten Cate, Lucas M Bachmann, Walter A Wuillemin, Michael Nagler
BACKGROUND: Studies investigating thromboelastometry or thrombelastography analyses in a physiological context are scattered and not easy to access. OBJECTIVE: To systematically retrieve and describe published reports studying healthy subjects and targeting at the correlation of ROTEM® and TEG® measurements with conventional parameters of hemostasis. METHODS: Systematic Review: Papers were searched in Medline, Scopus and the Science Citation Index database...
April 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28498944/assessment-of-standard-laboratory-tests-and-rotational-thromboelastometry-for-the-prediction-of-postoperative-bleeding-in-liver-transplantation
#20
T M Dötsch, D Dirkmann, D Bezinover, M Hartmann, J W Treckmann, A Paul, F H Saner
Background: Perioperative bleeding remains a major challenge in liver transplantation. We aimed to compare standard laboratory tests with thromboelastometry (ROTEM ® ) with regard to their ability to predict postoperative non-surgical bleeding. Methods: Data from 243 adult liver transplant recipients from January 2012 to May 2014 were evaluated retrospectively. Upon admission to the intensive care unit, coagulation status was assessed using standard laboratory tests [prothrombin time (PT), activated partial thromboplastin time (aPTT), fibrinogen concentration, and platelet count] and ROTEM ® whole blood coagulation assays...
September 1, 2017: British Journal of Anaesthesia
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