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Thromboelastogram

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https://www.readbyqxmd.com/read/28446928/thromboelastographic-changes-during-laparoscopic-fundoplication
#1
Indre Zostautiene, Kristina Zvinienė, Darius Trepenaitis, Rolandas Gerbutavičius, Antanas Mickevičius, Rima Gerbutavičienė, Mindaugas Kiudelis
INTRODUCTION: Thromboelastography (TEG) is a technique that measures coagulation processes and surveys the properties of a viscoelastic blood clot, from its formation to lysis. AIM: To determine the possible hypercoagulability state and the effect of antithrombotic prophylaxis on thromboelastogram results and development of venous thrombosis during laparoscopic fundoplication. MATERIAL AND METHODS: The study was performed on 106 patients who were randomized into two groups...
2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/28443944/the-role-of-thromboelastometry-in-the-assessment-and-treatment-of-coagulopathy-in-liver-transplant-patients
#2
Raffael Pereira Cezar Zamper, Thiago Chaves Amorim, Luiz Guilherme Villares da Costa, Flávio Takaoka, Ary Serpa
Perioperative monitoring of coagulation is vital to assess bleeding risks, diagnose deficiencies associated with hemorrhage, and guide hemostatic therapy in major surgical procedures, such as liver transplantation. Routine static tests demand long turnaround time and do not assess platelet function; they are determined on plasma at a standard temperature of 37°C; hence these tests are ill-suited for intraoperative use. In contrast, methods which evaluate the viscoelastic properties of whole blood, such as thromboelastogram and rotational thromboelastometry, provide rapid qualitative coagulation assessment and appropriate guidance for transfusion therapy...
April 20, 2017: Einstein
https://www.readbyqxmd.com/read/28190562/a-combined-approach-to-early-detect-in-vitro-drug-induced-hemostatic-changes-in-preclinical-safety
#3
Myriam Defontis, Serge Côté, David Ledieu
Early detection of drug-induced alterations of hemostasis is challenging. Drugs can affect different components of the Virchow's triad and measurement of plasmatic coagulation times lacks sensitivity. New techniques for a more global assessment of the hemostasis are now available: the impedance platelet aggregometry, the thromboelastography and the thrombin generation measurement. The aim of this study was to evaluate three techniques (i.e.: Multiplate(®), TEG(®) and CAT) for the in vitro detection of the effect of a drug known to induce hemostatic alterations in a preclinical safety environment...
February 9, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28149544/the-application-of-thromboelastogram-in-detection-of-indexes-of-antiplatelet-therapy-for-coronary-heart-disease
#4
Shu-Wu Zhao, Yu-Ping Wang, Lin-Dong Xu, Wei Gang
BACKGROUND: This study aims to explore the application value of thromboelastogram (TEG) in antiplatelet therapy in coronary artery intervention. METHODS: A retrospective analysis of 90 cases of coronary interventional treatment was conducted in our hospital from January 2010 to January 2012. Cases were divided into three groups, according to the kind of coronary heart disease: angina pectoris (AP) group (30 cases), unstable angina pectoris (UAP) group (30 cases) and acute myocardial infarction (AMI) group (30 cases)...
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28062209/thromboelastogram-does-not-detect-pre-injury-anticoagulation-in-acute-trauma-patients
#5
Jawad T Ali, Mitchell J Daley, Nina Vadiei, Zachary Enright, Joseph Nguyen, Sadia Ali, Jayson D Aydelotte, Pedro G Teixeira, Thomas B Coopwood, Carlos Vr Brown
PURPOSE: Thromboelastography (TEG) has been recommended to characterize post-traumatic coagulopathy, yet no study has evaluated the impact of pre-injury anticoagulation (AC) on TEG variables. We hypothesized patients on pre-injury AC have a greater incidence of coagulopathy on TEG compared to those without AC. METHODS: This retrospective chart review evaluated all trauma patients admitted to an urban, level one trauma center from February 2011 to September 2014 who received a TEG within the first 24h...
April 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28057098/-association-of-abcb1-gene-polymorphisms-with-aspirin-resistance-in-patients-with-ischemic-stroke
#6
Z Y Wang, Y Wang, A H Sui, Y Dong
Objective: To investigate the relationship of single nucleotide polymorphisms of Multi-drug resistance (ABCB1/MDR1) gene with Aspirin resistance (AR) in patients with ischemic stroke. Methods: Three hundred ischemic stroke patients from Department of Neurology, Affiliated Hospital of Qingdao University were collected from September 2014 to May 2016. According to the results of Thromboelastogram (TEG), the patients were divided into aspirin resistance (AR) group and aspirin sensitive (AS) group. The genotypes of ABCB1 gene (C1236T, G2677T/A, C3435T) were detected by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and direct sequencing...
December 20, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27935888/-effect-of-angioprotective-therapy-with-bioflavonoids-on-endothelial-dysfunction-in-patients-with-acute-venous-thromboses
#7
COMPARATIVE STUDY
A Yu Bryushkov, P V Ershov, N A Sergeeva, V Yu Bogachev
The study was aimed at evaluating a possibility of correcting endothelial dysfunction by means of angioprotective therapy with natural-origin bioflavonoids in patients presenting with acute venous thromboses. Ours was an open comparative prospective study including a total of thirty 34-to-60-year-old patients suffering from lower limb deep vein thrombosis. The patients were subdivided into two groups. The Study Group was composed of 15 patients receiving on the background of anticoagulant therapy with direct thrombin inhibitors (dabigatran etexilate at a daily dose of 300 mg) natural-origin angioprotectors (red grape leaf extract)...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/27869629/coagulation-profile-of-patients-with-adolescent-idiopathic-scoliosis-undergoing-posterior-spinal-fusion
#8
Patrick Bosch, Tanya S Kenkre, Joanne A Londino, Antonio Cassara, Charles Yang, Jonathan H Waters
BACKGROUND: Blood loss and transfusion requirements during posterior spinal fusion for adolescent idiopathic scoliosis remain a concern. The mechanism of bleeding in these patients is poorly characterized. Thromboelastography is a comprehensive test of a patient's coagulation system commonly used in cardiac surgical procedures. It has not been well studied for use in patients with adolescent idiopathic scoliosis. METHODS: A prospective, observational study of the coagulation profile of patients with adolescent idiopathic scoliosis undergoing posterior spinal fusion is presented...
October 19, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27849816/173-baseline-thromboelastogram-as-a-predictor-of-left-ventricular-assist-device-thrombosis
#9
Shannon Piche, Scott Nei, Erin Frazee, Sarah Schettle, Barry Boilson, Ross Dierkhising, John Stulak
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27832560/the-effect-of-dabigatran-on-the-kaolin-activated-whole-blood-thromboelastogram
#10
A 'Aho, K Byrne
Dabigatran is a direct thrombin inhibitor, which is increasingly likely to be encountered in patients presenting for surgery. This study examines whether there is a consistent effect of dabigatran on the thromboelastogram (TEG) and whether this correlates with the effects of dabigatran on traditional coagulation parameters. Twenty patients taking dabigatran had blood sampled for kaolin-activated whole blood TEG analysis and routine coagulation testing. There was a statistically significant correlation between thrombin clotting time (TCT) and R-time (R=0...
November 2016: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/27779597/abnormalities-in-fibrinolysis-at-the-time-of-admission-are-associated-with-deep-vein-thrombosis-mortality-and-disability-in-a-pediatric-trauma-population
#11
Christine M Leeper, Matthew D Neal, Christine McKenna, Jason L Sperry, Barbara A Gaines
BACKGROUND: Abnormalities in fibrinolysis are common and associated with increased mortality in injured adults. While hyperfibrinolysis (HF) and fibrinolysis shutdown (SD) are potential prognostic indicators and treatment targets in adults, these derangements are not well described in a pediatric trauma cohort. METHODS: This was a prospective analysis of highest level trauma activations in subjects aged 0 to 18 years presenting to our academic center between June 1, 2015, and July 31, 2016, with admission rapid thrombelastograph...
January 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27745797/thromboprophylaxis-with-heparin-during-orthotopic-liver-transplantation-comparison-of-hepcon-hms-plus-and-anti-xa-assays-for-low-range-heparin
#12
Ramona Nicolau-Raducu, Elise Occhipinti, Thomas Marshall, Joseph Koveleskie, Donald Ganier, Brian Evans, William Daly, Brian Fish, Ari J Cohen, Trevor W Reichman, David Bruce, Humberto Bohorquez, John Seal, Emily Ahmed, Ian Carmody, George Loss, Jonathan Rayburn, Bobby Nossaman
OBJECTIVES: The purpose of this study was to compare the agreement between two heparin assays, Hepcon HMS plus/Kaolin-ACT and Anti-Xa, and their predictive power in detecting circulating heparin levels post-reperfusion of the liver graft when compared with thromboelastogram (TEG) r time ratio in patients undergoing orthotopic liver transplantation (OLT). DESIGN: Prospective, observational cohort study design. SETTING: Single center, university hospital...
April 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/27626247/-coagulological-aspects-of-treatment-of-complications-of-prolonged-therapy-with-warfarin
#13
A Iu Krylov, A M Shulutko, N V Prasolov, A A Petrovskaia, S E Khmyrova
The authors analysed the results of treating a total of 116 patients (68 men and 48 women aged from 20 to 84 years, mean age 59.5±15.5 years) presenting with various complications of prolonged therapy with warfarin. Prescription of prolonged therapy with warfarin had been caused by various cardiac diseases and lower extremity deep vein thromboses. The duration of anticoagulant therapy at the time of onset of complications was different and depended on the underlying disease. The majority of patients included into the study had been taking warfarin for one year and more, with nearly half of patients (48...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/27130495/thromboelastogram-reduces-blood-use-by-inspecting-coagulation-in-heart-surgery
#14
Funda Yildirim, Barıs Tuncer, Alper Ozbakkaloglu, Adnan Taner Kurdal, Tulun Ozturk, Ihsan Iskesen
OBJECTIVE: Blood transfusion after coronary artery bypass surgery is carried out according to general coagulation tests and blood counts. Our aim was to determine the effects of rotational thromboelastography results on the amount of blood products used in the intraoperative and postoperative periods in coronary artery bypass patients. METHODS: Our study included 164 patients who underwent coronary artery bypass. A control group was formed from 82 patients picked from hospital records, who had elective coronary artery bypass before the introduction of rotational thromboelastography in our clinic...
June 2016: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/27092869/the-effect-of-in-vitro-fertilization-on-coagulation-parameters-as-measured-by-thromboelastogram
#15
Sharon Orbach-Zinger, Leonid A Eidelman, Alexander Lutsker, Galia Oron, Benjamin Fisch, Avi Ben-Haroush
OBJECTIVES: In vitro fertilization (IVF) induced elevated estrogen levels are associated with a hypercoagulable state. Thromboelastogram (TEG) is a point of care whole blood hemostasis analyzer which measures functionality of clotting parameters. Our study's objective was to examine the influence of the early and late follicular phase of an IVF simulation cycle on coagulation parameters as measured by TEG and to evaluate the influence of age on coagulation parameters. STUDY DESIGN: In a single center, prospective, observational trial, 46 women undergoing IVF therapy were studied...
June 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27074596/retrospective-evaluation-of-shortened-prothrombin-time-or-activated-partial-thromboplastin-time-for-the-diagnosis-of-hypercoagulability-in-dogs-25-cases-2006-2011
#16
Jennifer Song, Kenneth J Drobatz, Deborah C Silverstein
OBJECTIVE: To evaluate the relationship between shortened prothrombin time (PT) or activated partial thromboplastin time (aPTT) values, clinical findings associated with hypercoagulability, suspicion of pulmonary thromboembolism (PTE), D-dimer concentrations, and thromboelastogram (TEG) indices. DESIGN: Retrospective observational study from 2006 to 2011. SETTING: University veterinary teaching hospital. ANIMALS: Twenty-three dogs with TEG tracings and shortened PT or aPTT values and 23 control dogs with TEG tracings and normal PT and aPTT values...
May 2016: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/27006555/clinically-relevant-exaggerated-pharmacodynamic-response-to-dual-antiplatelet-therapy-detected-by-thromboelastogram-%C3%A2-platelet-mapping%C3%A2
#17
Kenneth N Hiller
Dual antiplatelet therapy (DAPT) is the standard of care for primary and secondary prevention strategies in patients with coronary artery disease after stenting. Current guidelines recommend that DAPT be continued for 12 months in patients after receiving drug eluting stents. Approximately 5% of these patients will present within this 12-month period for noncardiac surgery. This case report describes a clinically relevant exaggerated pharmacodynamic response to DAPT detected by preoperative assessment of platelet function...
January 2016: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/26990227/thromboelastographic-evidence-of-inhibition-of-fibrinolysis-after-%C3%AE%C2%B5-aminocaproic-acid-administration-in-a-dog-with-suspected-acute-traumatic-coagulopathy
#18
Seung H Yoo, Emilee Venn, Lauren A Sullivan, Christine S Olver
OBJECTIVE: To describe the thromboelastographic changes in fibrinolysis with ε-aminocaproic acid treatment in a dog with suspected acute traumatic coagulopathy. CASE SUMMARY: A 9-year-old female spayed Airedale Terrier was presented with multiple injuries consistent with motor vehicle trauma. After surgical repair of a diaphragmatic hernia and minor laceration of the right cranial lung lobe, the dog continued to produce copious volumes of hemorrhagic fluid from the thoracic cavity despite multiple plasma transfusions, autotransfusions, and failure to locate a definitive source of bleeding during 2 separate surgeries...
September 2016: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/26888580/adenosine-diphosphate-platelet-dysfunction-on-thromboelastogram-is-independently-associated-with-increased-morality-in-traumatic-brain-injury
#19
M J Daley, Z Enright, J Nguyen, S Ali, A Clark, J D Aydelotte, P G Teixeira, T B Coopwood, C V R Brown
PURPOSE: The purpose of this study is to determine if adenosine diphosphate (ADP) platelet dysfunction on thromboelastogram (TEG) is associated with increased in-hospital mortality in patients with head trauma. The hypothesis is that ADP dysfunction is associated with increased mortality. METHODS: This retrospective review evaluated trauma patients admitted to a level 1 trauma center from February 2011 to October 2013 who received a TEG. Patients were included if the TEG was drawn within the first 24 h of admission and the head abbreviated injury score was greater than or equal to three...
February 18, 2016: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/26847002/verifying-the-performance-characteristics-of-the-teg5000-thromboelastogram-in-the-clinical-laboratory
#20
R C Gosselin, E E Estacio, J Y Song, D M Dwyre
OBJECTIVE: To verify the manufacturer performance claims of the TEG5000 with traditional laboratory methods. MATERIALS AND METHODS: Samples were concurrently measured using the TEG5000 analyzer and either PT, APTT, fibrinogen, factor activities, platelet count, or platelet function testing using whole blood or platelet-rich plasma methods. RESULTS: Within-run imprecision yielded coefficient of variation (CV) of <5%. There was no correlation of PT or APTT with R time...
April 2016: International Journal of Laboratory Hematology
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