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https://www.readbyqxmd.com/read/29743762/thromboelastographic-analysis-of-hemostatic-abnormalities-in-dengue-patients-admitted-in-a-multidisciplinary-intensive-care-unit-a-cross-sectional-study
#1
V K Sureshkumar, Deepak Vijayan, Shamim Kunhu, Zuhail Mohamed, Sujith Thomas, Muraleedharan Raman
Background: Dengue fever is an important tropical infection causing significant mortality. The pathophysiology of hematological abnormalities in dengue remains poorly studied. In this study, we analyzed the hematological abnormalities by thromboelastography (TEG). Methods: This cross-sectional study evaluated complicated dengue patients with TEG. Thromboelastographic variables were categorized into six patterns: factor deficiency, platelet dysfunction, enzymatic hypercoagulability, combined enzymatic and platelet hypercoagulability, primary fibrinolysis, and secondary hyperfibrinolysis...
April 2018: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29708302/congenital-dysfibrinogenaemia-assessed-by-whole-blood-thromboelastography
#2
A Wei, L Liao, L Xiang, J Yan, W Yang, G Nai, M Luo, D Deng, F Lin
INTRODUCTION: Congenital dysfibrinogenaemia (CD) is a rare hereditary blood disorder, and thromboelastography (TEG) can comprehensively assess the clotting function of patients. However, only few studies have focussed on the application of TEG in CD. We aim to investigate the clinical value of TEG in congenital CD. METHODS: We performed TEG and routine coagulation tests, including plasma prothrombin time (PT), activated partial thromboplastin time (APTT), thrombin time (TT), functional fibrinogen (Fg) concentration (Clauss method) and Fg concentration (PT-derived method) tests, in 17 patients with CD (experimental group) and 28 healthy individuals (control group)...
April 30, 2018: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/29683829/harmful-or-physiologic-diagnosing-fibrinolysis-shutdown-in-a-trauma-cohort-with-rotational-thromboelastometry
#3
J Carolina Gomez-Builes, Sergio A Acuna, Bartolomeu Nascimento, Fabiana Madotto, Sandro B Rizoli
BACKGROUND: Despite its central role in early trauma coagulopathy, abnormal fibrinolysis continues to be poorly understood. Excessive fibrinolysis is a known contributor to mortality. Recent studies with thromboelastography (TEG) suggest decreased fibrinolysis (or shutdown) may be just as harmful. Considering the broad use of 2 different viscoelastic assays, which are not interchangeable, we proposed for the first time to define and characterize fibrinolysis shutdown using rotational thromboelastometry (ROTEM)...
April 19, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29664836/teg-lysis-shutdown-represents-coagulopathy-in-bleeding-trauma-patients-analysis-of-the-proppr-cohort
#4
Jessica C Cardenas, Charles E Wade, Bryan A Cotton, Mitchell J George, John B Holcomb, Martin A Schreiber, Nathan J White
BACKGROUND: Thrombelastography (TEG) fibrinolysis shutdown after trauma is associated with increased mortality due to hypercoagulability-associated organ failure. However, a lack of mechanistic data has precluded the development of novel interventions to treat shutdown. OBJECTIVES: To define the pathophysiology of TEG shutdown in severely injured, bleeding patients through secondary analysis of the PROPPR trial. METHODS: Fibrinolysis was characterized in PROPPR subjects using admission TEG lysis at 30 minutes (LY30) or plasmin-antiplasmin (PAP) levels...
April 16, 2018: Shock
https://www.readbyqxmd.com/read/29652276/utility-of-thromboelastography-versus-routine-coagulation-tests-for-assessment-of-hypocoagulable-state-in-patients-undergoing-cardiac-bypass-surgery
#5
Seema Sharma, Sujeet Kumar, Prabhat Tewari, Shantanu Pande, Manjula Murari
Introduction: Peri-operative monitoring of coagulation is important to diagnose potential cause of hemorrhage, to manage coagulopathy and guide treatment with blood products in patients undergoing cardiac surgery with cardiopulmonary bypass. This study was done to evaluate usefulness of Thromboelastography (TEG) and routine coagulation tests (RCT) in assessing hemostatic changes and predicting postoperative bleeding in patients undergoing cardiac surgery with cardiopulmonary bypass. Methods: Fifty adult patients undergoing cardiac surgery with cardiopulmonary bypass were enrolled in this prospective study...
April 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29529240/reproducibility-of-teg-parameters-in-stable-cirrhotics
#6
Gemlyn George, Wuttiporn Manatasahit, Manjula Balasubramanian, Victor Navarro
Background: Thromboelastography (TEG) has become the standard of care in liver-transplant surgery to identify real-time abnormalities in the coagulation cascade. To our knowledge, no studies have been performed to measure the intrasubject reproducibility of TEG parameters in cirrhotic patients. Objective: To perform a validation study to determine the reproducibility of TEG in cirrhosis. Methods: We recruited 30 patients with stable cirrhosis and tested 25 of them...
February 24, 2018: Laboratory Medicine
https://www.readbyqxmd.com/read/29507861/fibrin-clot-strength-in-patients-with-diabetes-mellitus-measured-by-thrombelastography
#7
Benjamin T Maatman, Glen Schmeisser, Rolf P Kreutz
Background: Patients with diabetes mellitus (DM) exhibit increased risk of recurrent myocardial infarction. Maximal clot strength measured by thrombelastography (TEG) is a risk factor for recurrent ischemic events. We hypothesized that diabetic subjects exhibit increased fibrin clot strength in platelet-poor plasma and that glycemic control correlates with maximal fibrin clot strength. Methods: We collected plasma samples from subjects with known or suspected coronary artery disease undergoing cardiac catheterization ( n = 354)...
2018: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29479891/the-clinical-implications-of-thrombelastography-in-the-diagnosis-of-acute-cerebral-infarction
#8
Ying Liang, Jun Wu, Jianquan Liu, Hong Liu, Juan Chen
BACKGROUND: Thrombelastography (TEG) is an analyzer reflecting the dynamic changes of blood coagulation. It has been used as a diagnosis index in many diseases. The aim of this study was to evaluate the relationship between TEG and acute cerebral infarction. METHODS: Eighty patients with acute cerebral infarction and 80 healthy controls were enrolled. Each patient's TEG results and routine coagulation indices were recorded. All analyses were conducted with SPSS16...
January 1, 2018: Clinical Laboratory
https://www.readbyqxmd.com/read/29456391/the-use-of-thromboelastography-to-measure-the-influence-inclusion-of-a-local-anesthetic-agent-has-on-the-mechanical-and-kinetic-properties-of-fibrin
#9
Laura Kearney, Derek Whelan, Brian D O'Donnell, Anthony J P Clover
Context: Delivery of slow-release local anesthesia has considerable potential for postoperative analgesia. Fibrin gel has shown huge potential for drug delivery, but has not been fully investigated for the delivery of local anesthetics nor has whether incorporation of anesthetic drugs into fibrin alters its mechanical properties. Aims: This study aimed to evaluate the effects of bupivacaine inclusion on the mechanical and kinetic properties of fibrin as measured by thromboelastography (TEG)...
January 2018: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/29396046/simultaneous-presence-of-hypercoagulation-and-increased-clot-lysis-time-due-to-il-1%C3%AE-il-6-and-il-8
#10
Janette Bester, Christina Matshailwe, Etheresia Pretorius
Circulating cytokines, and particularly the interleukin (IL)-family are known to play an important role in inflammation. These molecules circulate in the blood and therefore have a direct effect on the plasma molecules and the formed elements like the erythrocytes and platelets. Aberrant coagulation (hypercoagulation or blood clots that form too easily) and clot lyses (hypofibrinolysis, where clots do not dissolve properly, with an abnormally low rate of clot lysis time), are usually the hallmarks of many inflammatory conditions...
January 27, 2018: Cytokine
https://www.readbyqxmd.com/read/29369078/thromboelastographic-study-of-the-snakebite-related-coagulopathy-in-djibouti
#11
Sébastien Larréché, François-Xavier Jean, Alain Benois, Aurélie Mayet, Aurore Bousquet, Serge Vedy, Patrick Clapson, Céline Dehan, Christophe Rapp, Eric Kaiser, Audrey Mérens, Georges Mion, Christophe Martinaud
: Hemostasis disorders are one of the major clinical conditions of snakebites and are because of mechanisms which may disrupt vessels, platelets, clotting factors and fibrinolysis. Thromboelastography (TEG) could help to understand these effects in the clinical practice. A retrospective study reports a series of patients presenting a snakebite-related coagulopathy, treated with antivenom and monitored with conventional tests and TEG in a French military treatment facility (Republic of Djibouti, East Africa) between August 2011 and September 2013...
March 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/29324486/fibrinolysis-and-antifibrinolytic-treatment-in-the-trauma-patient
#12
Lewis S Gall, Ross A Davenport
PURPOSE OF REVIEW: The role of antifibrinolytics in trauma haemorrhage and early coagulopathy remains controversial with respect to patient selection, dosage, timing of treatment, and risk of thrombotic complications. This review presents our current understanding of the mechanisms of fibrinolysis in trauma, diagnostic evaluation, and the evidence base for treatment. RECENT FINDINGS: Excessive fibrinolysis following severe injury is a major component of acute traumatic coagulopathy and contributes to the high mortality from trauma haemorrhage...
April 2018: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/29299962/thromboelastometry-in-trauma-care-a-place-in-the-2018-belgian-health-care-system
#13
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/29136561/calibrated-automated-thrombogram-values-in-infants-with-cardiac-surgery-before-and-after-cardiopulmonary-bypass
#14
Alessandra Rizza, Giovina Di Felice, Rosa Luciano, Ottavia Porzio, Ombretta Panizzon, Maurizio Muraca, Paola Cogo
INTRODUCTION: Impaired thrombin generation has been associated to increase bleeding after cardiac surgery with cardiopulmonary bypass (CPB), especially in children. The aim of this study was to evaluate standard coagulation assay, thrombin generation by calibrated automated thrombogram (CAT), thromboelastography (TEG) and procoagulant phospholipids (PPL) activity in infants undergoing cardiac surgery with CPB. MATERIALS AND METHODS: Prospective observational study performed in children aged <24months undergoing cardiac surgery with CPB...
December 2017: Thrombosis Research
https://www.readbyqxmd.com/read/29112094/thrombelastography-early-amplitudes-in-bleeding-and-coagulopathic-trauma-patients-results-from-a-multicenter-study
#15
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 the 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 I Trauma Centers. METHODS: Prospective observational study of 404 trauma patients with clinical suspicion of severe injury from London, UK, Copenhagen, Denmark and Oslo, Norway...
February 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29050713/is-preoperative-fibrinogen-testing-associated-with-total-blood-loss-in-adolescent-idiopathic-scoliosis-correction
#16
Matthew J Geck, Devender Singh, Holly Gunn, John K Stokes, Eeric Truumees
STUDY DESIGN: Retrospective analysis. OBJECTIVE: This study sought to investigate the potential association between preoperative fibrinogen, bleeding, and transfusion requirements in adolescent idiopathic scoliosis (AIS) corrections. SUMMARY OF BACKGROUND DATA: Blood loss after major spinal reconstruction increases the risks and costs of surgery. Preoperative fibrinogen levels may predict intra- and postoperative blood loss. METHODS: Data were collected from clinic charts and hospital medical records of all 110 of a single surgeon's consecutive AIS patients undergoing greater than three-level deformity correction surgeries from January 2011 to December 2013...
November 2017: Spine Deformity
https://www.readbyqxmd.com/read/29049137/effects-of-dextran-70-and-albumin-on-coagulation-in-experimental-hemorrhage-in-the-guinea-pig
#17
Ulf Schött, Thomas Kander, Peter Bentzer
BACKGROUND: Dextran-70 is a more potent plasma volume expander than albumin but use has been hampered because of it's antithrombotic properties. However, also albumin has antithrombotic properties and little is known about relative effects of these two colloids on coagulation in-vivo when controlling for differences in efficacy as plasma volume expanders. AIM: Compare effects of dextran-70 and albumin on coagulation at a dose resulting in equal plasma volume expansion...
October 18, 2017: Shock
https://www.readbyqxmd.com/read/28969064/thrombin-induced-platelet-fibrin-clot-strength-in-relation-to-platelet-volume-indices-and-inflammatory-markers-in-patients-with-coronary-artery-disease
#18
Hai-Chen Lv, Hong-Yi Wu, Jia-Sheng Yin, Jun-Bo Ge
Platelet aggregation and inflammation are both implicated in coronary artery disease (CAD). Thrombin induced platelet-fibrin clot strength (MAThrombin) measured by thrombelastography (TEG) has been proved to be a novel marker of platelet aggregation. The aim of this study was to investigate the correlation of MAThrombin to platelet volume indices (PVIs) or to inflammatory markers in different types of CAD. 206 patients with different types of CAD were enrolled. MAThrombin, PVIs, including mean platelet volume (MPV), platelet distribution width (PDW), and platelet-large cell ratio (P-LCR) as well as inflammatory markers, including high-sensitivity C-reactive protein (hs-CRP) and fibrinogen (Fbg) were measured...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28930957/clot-dynamics-and-mortality-the-ma-r-ratio
#19
Stephanie A Savage, Ben L Zarzaur, Timothy H Pohlman, Brian L Brewer, Louis J Magnotti, Martin A Croce, Garrett H Lim, Ali C Martin
INTRODUCTION: The coagulopathy of trauma, illustrated by a short R-time, is common and well understood. The physiology behind this may be early thrombin burst with rapid clot formation. Rapid consumption of fibrinogen, however, may result in weak clot and substrate depletion, resulting in low MA. While these characteristics are interesting, utilizing thromboelastography (TEG) to identify those at risk of subsequent bleeding diathesis, especially in those who do not demonstrate early signs of physiologic derangement, is challenging...
October 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28870084/comparison-between-thromboelastography-and-conventional-coagulation-tests-in-surgical-patients-with-localized-prostate-cancer
#20
Zhengwei Wang, Jing Li, Qingwei Cao, Lei Wang, Fengzhi Shan, Houyi Zhang
We aimed to examine hypercoagulable and hypocoagulable conditions in patients with prostate cancer using thromboelastography (TEG) and correlate TEG parameters with conventional coagulation test. The t test was used for comparing TEG parameters and routine coagulation results. Spearman rank-order correlation was used to describe the relationship of TEG and conventional tests. Sensitivity, specificity, positive predictive values, and negative predictive values were determined for bleeding and thrombosis. Totally, 20 patients had active bleeding postoperatively, 16 of whom showed hypocoagulation on TEG test and 9 of whom showed hypocoagulation by routine coagulation test ( P = ...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
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