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https://www.readbyqxmd.com/read/27916047/-the-impact-of-different-doses-of-atorvastatin-on-plasma-endothelin-and-platelet-function-in-acute-st-segment-elevation-myocardial-infarction-after-emergency-percutaneous-coronary-intervention
#1
X R Xu, K B Li, P Wang, L Xu, Y Liu, Z S Yang, X C Yang
Objective: To investigate the effects of different doses of atorvastatin on plasma endothelin and platelet function in acute ST-segment elevation myocardial infarction (STEMI) patients after emergency percutaneous coronary intervention(PCI). Methods: A total of 120 patients with acute STEMI treated with emergency PCI were enrolled and randomly divided into 20 mg of atorvastatin treatment group (standard group, n=60), and 40 mg of atorvastatin treatment group (intensive group, n=60). The blood C reactive protein (CRP), blood lipid profiles, plasma endothelin (ET) were measured before atorvastatin treatment and after 7 days of treatment, respectively...
December 1, 2016: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/27894845/thromboelastography-demonstrates-perioperative-hypercoagulability-in-hepato-pancreato-biliary-patients-and-supports-routine-administration-of-preoperative-and-early-postoperative-venous-thromboembolism-chemoprophylaxis
#2
Anh-Thu Le, Jennifer W Harris, Erin Maynard, Sean P Dineen, Ching-Wei D Tzeng
BACKGROUND: We hypothesized hepato-pancreato-biliary (HPB) surgery patients are more likely to be hypercoagulable than hypocoagulable, and that bleeding risks from VTE chemoprophylaxis are low. This study sought to use thromboelastography (TEG) to compare coagulation profiles with bleeding/thrombotic events in HPB patients receiving standardized perioperative chemoprophylaxis. METHODS: Consecutive patients undergoing HPB resections by three surgeons at one institution (January 2014-December 2015) received preoperative and early postoperative VTE chemoprophylaxis and were evaluated with TEGs...
November 25, 2016: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/27894492/management-of-trauma-induced-coagulopathy-with-thrombelastography
#3
REVIEW
Eduardo Gonzalez, Ernest E Moore, Hunter B Moore
Viscoelastic assays, such as thrombelastography (TEG) and rotational thrombelastometry (ROTEM), have emerged as point-of-care tools that can guide the hemostatic resuscitation of bleeding injured patients. This article describes the role of TEG in contemporary trauma care by explaining this assay's methodology, clinical applications, and result interpretation through description of supporting studies to provide the reader with an evidence-based user's guide. Although TEG and ROTEM are assays based on the same viscoelastic principle, this article is focused on data supporting the use of TEG in trauma, because it is available in trauma centers in North America; ROTEM is mostly available in Europe...
January 2017: Critical Care Clinics
https://www.readbyqxmd.com/read/27891375/flow-mediated-dilatation-carotid-intima-media-thickness-ankle-brachial-pressure-index-and-pulse-pressure-in-young-male-post-myocardial-infarction-patients-in-india
#4
Nikhil Gupta, Subhash Giri, Vinita Rathi, Gajender Singh Ranga
INTRODUCTION: Due to increase in Coronary Artery Disease (CAD) at a younger age, we should try to diagnose atherosclerotic process and population at risk, at the earliest. Flow Mediated Dilatation (FMD), Carotid Intima-Media Thickness (CIMT) and Ankle-Brachial Pressure Index (ABI) are probable markers for early atherosclerosis and may be useful in coronary risk stratification. AIM: To compare and correlate the FMD, CIMT, ABI and Pulse Pressure (PP) in young male patients of Myocardial Infarction (MI) with age and sex matched healthy controls...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27887785/thromboelastography-teg%C3%A2-demonstrates-that-tinzaparin-4500-international-units-has-no-detectable-anticoagulant-activity-after-caesarean-section
#5
S Griffiths, C Woo, V Mansoubi, A Riccoboni, A Sabharwal, S Napier, M Columb, M Laffan, G Stocks
BACKGROUND: Low molecular weight heparin is routinely used for thromboprophylaxis in pregnancy and the puerperium. Consensus guidelines recommend waiting 10-12h after administration of a thromboprophylactic dose of low molecular weight heparin before performing a neuraxial block or removing an epidural catheter. Thromboelastography (TEG®) has been reported to be sensitive to the effects of enoxaparin 4h after administration. The purpose of this study was to use TEG to examine coagulation changes in the first 10h after a thromboprophylactic dose of tinzaparin in an attempt to ratify the current consensus guidelines about timing of neuraxial blockade and epidural catheter removal...
October 8, 2016: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/27869295/-noninvasive-assessment-of-tissue-engineered-graft-viability-by-oxygen-17-magnetic-resonance-spectroscopy
#6
Samuel A Einstein, Bradley P Weegman, Jennifer P Kitzmann, Klearchos K Papas, Michael Garwood
Transplantation of macroencapsulated tissue-engineered grafts (TEGs) is being investigated as a treatment for type 1 diabetes, but there is a critical need to measure TEG viability both in vitro and in vivo. Oxygen deficiency is the most critical issue preventing widespread implementation of TEG transplantation and delivery of supplemental oxygen (DSO) has been shown to enhance TEG survival and function in vivo. In this study, we demonstrate the first use of oxygen-17 magnetic resonance spectroscopy ((17) O-MRS) to measure the oxygen consumption rate (OCR) of TEGs and show that in addition to providing therapeutic benefits to TEGs, DSO with (17) O2 can also enable measurements of TEG viability...
November 21, 2016: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/27869252/resin-dentin-bond-stability-of-experimental-4-meta-based-etch-and-rinse-adhesives-solvated-by-ethanol-or-acetone
#7
Cristiane Mariote Amaral, Alice Marques Diniz, Eugênio Braz Rodrigues Arantes, Glauco Botelho Dos Santos, Jaime Dutra Noronha-Filho, Eduardo Moreira da Silva
PURPOSE: To investigate the influence of 4-META concentration and type of solvent on the degree of conversion (DC%) and resin-dentin bond stability of experimental etch-and-rinse adhesives. MATERIALS AND METHODS: Four different concentrations of 4-META (12 wt%, 20 wt%, 30 wt%, 40 wt%) were added to a model adhesive system consisting of TEG-DMA (25 wt%), UDMA (20 wt%), HEMA (30 wt%), water (4 wt%), camphorquinone (0.5 wt%), and tertiary amine (0.5 wt%) dissolved in 20% acetone (A12, A20, A30 and A40) or 20% ethanol (E12, E20, E30 and E40)...
November 18, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27865298/the-value-of-thromboelastography-for-bleeding-risk-prediction-in-hematologic-diseases
#8
Yuzhu He, Xing Xin, Yudi Geng, Ning Tang, Jianfeng Zhou, Dengju Li
BACKGROUND: This study aimed to explore the correlations between thromboelastography (TEG) parameters with platelet (PLT) count and fibrinogen and to evaluate the value of the maximal amplitude (MA) for bleeding risk prediction. METHODS: A total of 1,559 patients with hematologic diseases underwent PLT counting and TEG tests, and 1,201 of these patients underwent conventional coagulation tests. Patients were divided into a bleeding group and a nonbleeding group according to their clinical records...
November 2016: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/27858409/reference-values-for-coagulation-assessment-in-full-term-newborns
#9
Lucia Mirabella, Antonella Cotoia, Giusj Colacicco, Livio Tullo, Potito Salatto, Giuseppina Mollica, Karim Mariano, Michele Dambrosio, Gilda Cinnella
BACKGROUND: Most data in the literature report reduced coagulation activities in the first few days of life with respect to adults and the effects of these differences must be considered when diagnosing and treating haemostatic disorders. Management of pediatric population is further complicated by the lack of age-related reference values and by unreliability of hemostatic tests currently used while an accurate interpretation of results are required to reduce the cases of inappropriate investigation...
November 18, 2016: Minerva Anestesiologica
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/27820867/triethylene-glycol-up-regulates-virulence-associated-genes-and-proteins-in-streptococcus-mutans
#11
Lida Sadeghinejad, Dennis G Cvitkovitch, Walter L Siqueira, J Paul Santerre, Yoav Finer
Triethylene glycol dimethacrylate (TEGDMA) is a diluent monomer used pervasively in dental composite resins. Through hydrolytic degradation of the composites in the oral cavity it yields a hydrophilic biodegradation product, triethylene glycol (TEG), which has been shown to promote the growth of Streptococcus mutans, a dominant cariogenic bacterium. Previously it was shown that TEG up-regulated gtfB, an important gene contributing to polysaccharide synthesis function in biofilms. However, molecular mechanisms related to TEG's effect on bacterial function remained poorly understood...
2016: PloS One
https://www.readbyqxmd.com/read/27809922/analysis-of-thromboelastography-pt-aptt-and-fibrinogen-in-intraosseous-and-venous-samples-an-experimental-study
#12
Gunnar Strandberg, Miklós Lipcsey, Mats Eriksson, Norbert Lubenow, Anders Larsson
BACKGROUND: Laboratory analysis of coagulation is often important in emergencies. If vascular access is challenging, intraosseous catheterization may be necessary for treatment. We studied the analysis of coagulation parameters in intraosseous aspirate during stable conditions and after major haemorrhage in a porcine model. METHODS: Ten anesthetized pigs received central venous and intraosseous catheters and samples were taken for analysis of thromboelastography (TEG), prothrombin time (PT), activated partial thromboplastin time (APTT) and fibrinogen concentration...
November 3, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27809712/first-report-of-the-point-of-care-teg-a-technical-validation-study-of-the-teg-6s-system
#13
Paul A Gurbel, Kevin P Bliden, Udaya S Tantry, Amy L Monroe, Adina A Muresan, Norman E Brunner, Carlos G Lopez-Espina, Peter R Delmenico, Eli Cohen, Gabriel Raviv, DeAnna L Haugen, Mark H Ereth
Thrombelastography (TEG) measured by the TEG5000 Hemostasis Analyzer is an established but the labor-intensive method for assessing global hemostasis. The first true point-of-care TEG, the TEG6s system, uses resonance-frequency viscoelasticity measurements and a disposable multi-channel microfluidic cartridge to assess hemostasis and response to antiplatelet therapy. TEG assays (n = 5,100) were performed on the blood of healthy volunteers (n = 157) and patients undergoing coronary revascularization at three hospitals (n = 300)...
November 2016: Platelets
https://www.readbyqxmd.com/read/27805995/rapid-thrombelastography-r-teg-thresholds-for-goal-directed-resuscitation-of-patients-at-risk-for-massive-transfusion
#14
Peter M Einersen, Ernest E Moore, Michael P Chapman, Hunter B Moore, Eduardo Gonzalez, Christopher C Silliman, Anirban Banerjee, Angela Sauaia
BACKGROUND: Uncontrolled hemorrhage is a leading cause of mortality following trauma accounting for up to 40% of deaths. Massive transfusion protocols (MTPs) offer a proven benefit in resuscitation of these patients. Recently, the superiority of thrombelastography (TEG)-guided resuscitation over strategies guided by conventional clotting assays (CCA) has been established. We seek to determine optimal thresholds for r-TEG driven resuscitation. METHODS: R-TEG data were reviewed for 190 patients presenting to our Level 1 Trauma Center from 2010 to 2015...
October 31, 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27805439/effect-of-aminocaproic-acid-on-clot-strength-and-clot-lysis-of-canine-blood-determined-by-use-of-an-in-vitro-model-of-hyperfibrinolysis
#15
Jamie C Brown, Benjamin M Brainard, Daniel J Fletcher, Ben Nie, Robert D Arnold, Chad W Schmiedt
OBJECTIVE To determine pharmacodynamic and pharmacokinetic profiles of aminocaproic acid (ACA) by use of a thromboelastography (TEG)-based in vitro model of hyperfibrinolysis and high-performance liquid chromatography-mass spectrometry. ANIMALS 5 healthy adult dogs. PROCEDURES A single dose of injectable ACA (20, 50, or 100 mg/kg) or an ACA tablet (approximately 100 mg/kg) was administered orally. Blood samples were collected at 0, 15, 30, 45, 60, 90, 120, and 240 minutes after ACA administration for pharmacokinetic analysis...
November 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27792988/evaluation-of-maternal-early-obstetric-warning-system-meows-chart-as-a-predictor-of-obstetric-morbidity-a-prospective-observational-study
#16
Anju Singh, Kiran Guleria, Neelam B Vaid, Sandhya Jain
OBJECTIVES: Maternal Early Obstetric Warning System (MEOWS) chart adopted from CEMACH 2003-2005 report is based on the principle that abnormalities in physiological parameters precede critical illness. The 'track and trigger' of physiological parameters on this chart can aid in recognition of maternal morbidity at an early stage, ultimately halting the cascade of severe maternal morbidity and mortality. The objectives of our study were to evaluate MEOWS chart as a bedside screening tool for predicting obstetric morbidity and to correlate each physiological parameter individually with obstetric morbidity...
October 8, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27785858/a-prospective-diagnostic-accuracy-study-evaluating-rotational-thromboelastometry-and-thromboelastography-in-100-patients-with-von-willebrand-disease
#17
D E Schmidt, A Majeed, M Bruzelius, J Odeberg, M Holmström, A Ågren
INTRODUCTION: Rotational thromboelastometry (ROTEM(®) ) and thromboelastography (TEG(®) ) are increasingly used in the perioperative and emergency assessment of bleeding tendencies. The diagnostic value of ROTEM and TEG for von Willebrand disease (VWD) remains to be established. AIM: To investigate whether ROTEM and TEG can discriminate patients with VWD from healthy controls. METHODS: Rotational thromboelastometry and TEG whole blood coagulation profiles were compared between VWD patients (n = 100) and healthy controls (n = 89)...
October 26, 2016: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/27780186/preoperative-thromboelastography-as-a-sensitive-tool-predicting-those-at-risk-of-developing-early-hepatic-artery-thrombosis-after-adult-liver-transplantation
#18
Firas Zahr Eldeen, Garrett R Roll, Carlos Derosas, Rajashankar Rao, Muhammad S Khan, Bridget K Gunson, James Hodson, Hynek Mergental, Ben-Hur Ferraz-Neto, John Isaac, Paolo Muiesan, Darius F Mirza, Asim Iqbal, M Thamara P R Perera
BACKGROUND: Whilst causes of hepatic artery thrombosis (HAT) after liver transplantation (LT) are multifactorial, early HAT (E-HAT) remains pertinent complication impacting on graft and patient survival. Currently there is no screening tool that would identify patients with increased risk of developing E-HAT. METHODS: We analyzed the native procoagulant state of LT recipients, identified through pretransplant thromboelastographic (TEG) data among other known risk factors, to identify risk factors for E-HAT...
November 2016: Transplantation
https://www.readbyqxmd.com/read/27779597/abnormalities-in-fibrinolysis-at-the-time-of-admission-are-associated-with-dvt-mortality-and-disability-in-a-pediatric-trauma-population
#19
Christine M Leeper, Matthew D Neal, Christine McKenna, Jason 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: Prospective analysis of highest level trauma activations age 0-18 presenting to our academic center between 6/1/2015-7/31/2016 with admission rapid thromboelastogram (TEG)...
October 25, 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27779595/sympathoadrenal-activation-and-endotheliopathy-are-drivers-of-hypocoagulability-and-hyperfibrinolysis-in-trauma-a-prospective-observational-study-of-404-severely-injured-patients
#20
Sisse R Ostrowski, Hanne H Henriksen, Jakob Stensballe, Mikkel Gybel-Brask, Jessica C Cardenas, Lisa A Baer, Bryan A Cotton, John B Holcomb, Charles E Wade, Pär I Johansson
BACKGROUND: One third of severely injured patients present with a laboratory based diagnosis of coagulopathy. This study investigated clinical and biomarker profile of patients with rapid TEG (rTEG) coagulopathy hypothesizing that sympathoadrenal activation and endothelial damage were drivers of this condition. METHODS: Prospective observational study of 404 trauma patients admitted to a Level 1 US Trauma Center. Patients with admission rTEG and plasma measurements of catecholamines (adrenaline, noradrenaline) and biomarkers reflecting endothelial activation/damage (syndecan-1, thrombomodulin, sE-selectin, sVE-cadherin, nucleosomes) were included...
October 25, 2016: Journal of Trauma and Acute Care Surgery
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